4710c53dca
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
2338 lines
93 KiB
Python
2338 lines
93 KiB
Python
#!/usr/bin/env python
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# -*- coding: latin-1 -*-
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"""Generate Python documentation in HTML or text for interactive use.
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In the Python interpreter, do "from pydoc import help" to provide online
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help. Calling help(thing) on a Python object documents the object.
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Or, at the shell command line outside of Python:
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Run "pydoc <name>" to show documentation on something. <name> may be
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the name of a function, module, package, or a dotted reference to a
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class or function within a module or module in a package. If the
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argument contains a path segment delimiter (e.g. slash on Unix,
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backslash on Windows) it is treated as the path to a Python source file.
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Run "pydoc -k <keyword>" to search for a keyword in the synopsis lines
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of all available modules.
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Run "pydoc -p <port>" to start an HTTP server on a given port on the
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local machine to generate documentation web pages.
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For platforms without a command line, "pydoc -g" starts the HTTP server
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and also pops up a little window for controlling it.
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Run "pydoc -w <name>" to write out the HTML documentation for a module
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to a file named "<name>.html".
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Module docs for core modules are assumed to be in
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http://docs.python.org/library/
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This can be overridden by setting the PYTHONDOCS environment variable
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to a different URL or to a local directory containing the Library
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Reference Manual pages.
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"""
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__author__ = "Ka-Ping Yee <ping@lfw.org>"
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__date__ = "26 February 2001"
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__version__ = "$Revision$"
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__credits__ = """Guido van Rossum, for an excellent programming language.
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Tommy Burnette, the original creator of manpy.
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Paul Prescod, for all his work on onlinehelp.
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Richard Chamberlain, for the first implementation of textdoc.
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"""
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# Known bugs that can't be fixed here:
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# - imp.load_module() cannot be prevented from clobbering existing
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# loaded modules, so calling synopsis() on a binary module file
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# changes the contents of any existing module with the same name.
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# - If the __file__ attribute on a module is a relative path and
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# the current directory is changed with os.chdir(), an incorrect
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# path will be displayed.
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import sys, imp, os, re, types, inspect, __builtin__, pkgutil
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from repr import Repr
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from string import expandtabs, find, join, lower, split, strip, rfind, rstrip
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from traceback import extract_tb
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try:
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from collections import deque
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except ImportError:
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# Python 2.3 compatibility
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class deque(list):
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def popleft(self):
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return self.pop(0)
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# --------------------------------------------------------- common routines
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def pathdirs():
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"""Convert sys.path into a list of absolute, existing, unique paths."""
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dirs = []
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normdirs = []
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for dir in sys.path:
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dir = os.path.abspath(dir or '.')
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normdir = os.path.normcase(dir)
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if normdir not in normdirs and os.path.isdir(dir):
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dirs.append(dir)
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normdirs.append(normdir)
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return dirs
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def getdoc(object):
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"""Get the doc string or comments for an object."""
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result = inspect.getdoc(object) or inspect.getcomments(object)
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return result and re.sub('^ *\n', '', rstrip(result)) or ''
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def splitdoc(doc):
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"""Split a doc string into a synopsis line (if any) and the rest."""
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lines = split(strip(doc), '\n')
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if len(lines) == 1:
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return lines[0], ''
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elif len(lines) >= 2 and not rstrip(lines[1]):
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return lines[0], join(lines[2:], '\n')
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return '', join(lines, '\n')
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def classname(object, modname):
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"""Get a class name and qualify it with a module name if necessary."""
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name = object.__name__
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if object.__module__ != modname:
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name = object.__module__ + '.' + name
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return name
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def isdata(object):
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"""Check if an object is of a type that probably means it's data."""
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return not (inspect.ismodule(object) or inspect.isclass(object) or
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inspect.isroutine(object) or inspect.isframe(object) or
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inspect.istraceback(object) or inspect.iscode(object))
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def replace(text, *pairs):
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"""Do a series of global replacements on a string."""
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while pairs:
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text = join(split(text, pairs[0]), pairs[1])
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pairs = pairs[2:]
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return text
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def cram(text, maxlen):
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"""Omit part of a string if needed to make it fit in a maximum length."""
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if len(text) > maxlen:
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pre = max(0, (maxlen-3)//2)
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post = max(0, maxlen-3-pre)
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return text[:pre] + '...' + text[len(text)-post:]
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return text
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_re_stripid = re.compile(r' at 0x[0-9a-f]{6,16}(>+)$', re.IGNORECASE)
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def stripid(text):
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"""Remove the hexadecimal id from a Python object representation."""
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# The behaviour of %p is implementation-dependent in terms of case.
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return _re_stripid.sub(r'\1', text)
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def _is_some_method(obj):
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return inspect.ismethod(obj) or inspect.ismethoddescriptor(obj)
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def allmethods(cl):
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methods = {}
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for key, value in inspect.getmembers(cl, _is_some_method):
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methods[key] = 1
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for base in cl.__bases__:
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methods.update(allmethods(base)) # all your base are belong to us
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for key in methods.keys():
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methods[key] = getattr(cl, key)
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return methods
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def _split_list(s, predicate):
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"""Split sequence s via predicate, and return pair ([true], [false]).
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The return value is a 2-tuple of lists,
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([x for x in s if predicate(x)],
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[x for x in s if not predicate(x)])
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"""
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yes = []
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no = []
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for x in s:
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if predicate(x):
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yes.append(x)
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else:
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no.append(x)
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return yes, no
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def visiblename(name, all=None, obj=None):
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"""Decide whether to show documentation on a variable."""
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# Certain special names are redundant.
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_hidden_names = ('__builtins__', '__doc__', '__file__', '__path__',
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'__module__', '__name__', '__slots__', '__package__')
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if name in _hidden_names: return 0
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# Private names are hidden, but special names are displayed.
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if name.startswith('__') and name.endswith('__'): return 1
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# Namedtuples have public fields and methods with a single leading underscore
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if name.startswith('_') and hasattr(obj, '_fields'):
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return 1
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if all is not None:
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# only document that which the programmer exported in __all__
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return name in all
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else:
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return not name.startswith('_')
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def classify_class_attrs(object):
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"""Wrap inspect.classify_class_attrs, with fixup for data descriptors."""
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def fixup(data):
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name, kind, cls, value = data
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if inspect.isdatadescriptor(value):
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kind = 'data descriptor'
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return name, kind, cls, value
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return map(fixup, inspect.classify_class_attrs(object))
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# ----------------------------------------------------- module manipulation
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def ispackage(path):
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"""Guess whether a path refers to a package directory."""
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if os.path.isdir(path):
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for ext in ('.py', '.pyc', '.pyo'):
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if os.path.isfile(os.path.join(path, '__init__' + ext)):
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return True
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return False
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def source_synopsis(file):
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line = file.readline()
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while line[:1] == '#' or not strip(line):
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line = file.readline()
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if not line: break
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line = strip(line)
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if line[:4] == 'r"""': line = line[1:]
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if line[:3] == '"""':
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line = line[3:]
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if line[-1:] == '\\': line = line[:-1]
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while not strip(line):
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line = file.readline()
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if not line: break
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result = strip(split(line, '"""')[0])
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else: result = None
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return result
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def synopsis(filename, cache={}):
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"""Get the one-line summary out of a module file."""
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mtime = os.stat(filename).st_mtime
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lastupdate, result = cache.get(filename, (0, None))
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if lastupdate < mtime:
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info = inspect.getmoduleinfo(filename)
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try:
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file = open(filename)
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except IOError:
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# module can't be opened, so skip it
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return None
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if info and 'b' in info[2]: # binary modules have to be imported
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try: module = imp.load_module('__temp__', file, filename, info[1:])
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except: return None
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result = (module.__doc__ or '').splitlines()[0]
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del sys.modules['__temp__']
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else: # text modules can be directly examined
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result = source_synopsis(file)
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file.close()
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cache[filename] = (mtime, result)
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return result
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class ErrorDuringImport(Exception):
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"""Errors that occurred while trying to import something to document it."""
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def __init__(self, filename, exc_info):
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exc, value, tb = exc_info
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self.filename = filename
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self.exc = exc
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self.value = value
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self.tb = tb
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def __str__(self):
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exc = self.exc
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if type(exc) is types.ClassType:
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exc = exc.__name__
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return 'problem in %s - %s: %s' % (self.filename, exc, self.value)
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def importfile(path):
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"""Import a Python source file or compiled file given its path."""
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magic = imp.get_magic()
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file = open(path, 'r')
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if file.read(len(magic)) == magic:
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kind = imp.PY_COMPILED
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else:
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kind = imp.PY_SOURCE
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file.close()
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filename = os.path.basename(path)
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name, ext = os.path.splitext(filename)
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file = open(path, 'r')
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try:
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module = imp.load_module(name, file, path, (ext, 'r', kind))
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except:
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raise ErrorDuringImport(path, sys.exc_info())
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file.close()
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return module
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def safeimport(path, forceload=0, cache={}):
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"""Import a module; handle errors; return None if the module isn't found.
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If the module *is* found but an exception occurs, it's wrapped in an
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ErrorDuringImport exception and reraised. Unlike __import__, if a
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package path is specified, the module at the end of the path is returned,
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not the package at the beginning. If the optional 'forceload' argument
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is 1, we reload the module from disk (unless it's a dynamic extension)."""
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try:
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# If forceload is 1 and the module has been previously loaded from
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# disk, we always have to reload the module. Checking the file's
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# mtime isn't good enough (e.g. the module could contain a class
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# that inherits from another module that has changed).
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if forceload and path in sys.modules:
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if path not in sys.builtin_module_names:
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# Avoid simply calling reload() because it leaves names in
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# the currently loaded module lying around if they're not
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# defined in the new source file. Instead, remove the
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# module from sys.modules and re-import. Also remove any
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# submodules because they won't appear in the newly loaded
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# module's namespace if they're already in sys.modules.
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subs = [m for m in sys.modules if m.startswith(path + '.')]
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for key in [path] + subs:
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# Prevent garbage collection.
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cache[key] = sys.modules[key]
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del sys.modules[key]
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module = __import__(path)
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except:
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# Did the error occur before or after the module was found?
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(exc, value, tb) = info = sys.exc_info()
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if path in sys.modules:
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# An error occurred while executing the imported module.
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raise ErrorDuringImport(sys.modules[path].__file__, info)
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elif exc is SyntaxError:
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# A SyntaxError occurred before we could execute the module.
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raise ErrorDuringImport(value.filename, info)
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elif exc is ImportError and extract_tb(tb)[-1][2]=='safeimport':
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# The import error occurred directly in this function,
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# which means there is no such module in the path.
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return None
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else:
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# Some other error occurred during the importing process.
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raise ErrorDuringImport(path, sys.exc_info())
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for part in split(path, '.')[1:]:
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try: module = getattr(module, part)
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except AttributeError: return None
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return module
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# ---------------------------------------------------- formatter base class
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class Doc:
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def document(self, object, name=None, *args):
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"""Generate documentation for an object."""
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args = (object, name) + args
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# 'try' clause is to attempt to handle the possibility that inspect
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# identifies something in a way that pydoc itself has issues handling;
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# think 'super' and how it is a descriptor (which raises the exception
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# by lacking a __name__ attribute) and an instance.
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if inspect.isgetsetdescriptor(object): return self.docdata(*args)
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if inspect.ismemberdescriptor(object): return self.docdata(*args)
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try:
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if inspect.ismodule(object): return self.docmodule(*args)
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if inspect.isclass(object): return self.docclass(*args)
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if inspect.isroutine(object): return self.docroutine(*args)
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except AttributeError:
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pass
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if isinstance(object, property): return self.docproperty(*args)
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return self.docother(*args)
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def fail(self, object, name=None, *args):
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"""Raise an exception for unimplemented types."""
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message = "don't know how to document object%s of type %s" % (
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name and ' ' + repr(name), type(object).__name__)
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raise TypeError, message
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docmodule = docclass = docroutine = docother = docproperty = docdata = fail
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def getdocloc(self, object):
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"""Return the location of module docs or None"""
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try:
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file = inspect.getabsfile(object)
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except TypeError:
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file = '(built-in)'
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docloc = os.environ.get("PYTHONDOCS",
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"http://docs.python.org/library")
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basedir = os.path.join(sys.exec_prefix, "lib",
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"python"+sys.version[0:3])
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if (isinstance(object, type(os)) and
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(object.__name__ in ('errno', 'exceptions', 'gc', 'imp',
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'marshal', 'posix', 'signal', 'sys',
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'thread', 'zipimport') or
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(file.startswith(basedir) and
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not file.startswith(os.path.join(basedir, 'site-packages')))) and
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object.__name__ not in ('xml.etree', 'test.pydoc_mod')):
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if docloc.startswith("http://"):
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docloc = "%s/%s" % (docloc.rstrip("/"), object.__name__)
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else:
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docloc = os.path.join(docloc, object.__name__ + ".html")
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else:
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docloc = None
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return docloc
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# -------------------------------------------- HTML documentation generator
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class HTMLRepr(Repr):
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"""Class for safely making an HTML representation of a Python object."""
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def __init__(self):
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Repr.__init__(self)
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self.maxlist = self.maxtuple = 20
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self.maxdict = 10
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self.maxstring = self.maxother = 100
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def escape(self, text):
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return replace(text, '&', '&', '<', '<', '>', '>')
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def repr(self, object):
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return Repr.repr(self, object)
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def repr1(self, x, level):
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if hasattr(type(x), '__name__'):
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methodname = 'repr_' + join(split(type(x).__name__), '_')
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if hasattr(self, methodname):
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return getattr(self, methodname)(x, level)
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return self.escape(cram(stripid(repr(x)), self.maxother))
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def repr_string(self, x, level):
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test = cram(x, self.maxstring)
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testrepr = repr(test)
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if '\\' in test and '\\' not in replace(testrepr, r'\\', ''):
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# Backslashes are only literal in the string and are never
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# needed to make any special characters, so show a raw string.
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return 'r' + testrepr[0] + self.escape(test) + testrepr[0]
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return re.sub(r'((\\[\\abfnrtv\'"]|\\[0-9]..|\\x..|\\u....)+)',
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r'<font color="#c040c0">\1</font>',
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self.escape(testrepr))
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repr_str = repr_string
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def repr_instance(self, x, level):
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try:
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return self.escape(cram(stripid(repr(x)), self.maxstring))
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except:
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return self.escape('<%s instance>' % x.__class__.__name__)
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repr_unicode = repr_string
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class HTMLDoc(Doc):
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"""Formatter class for HTML documentation."""
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# ------------------------------------------- HTML formatting utilities
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_repr_instance = HTMLRepr()
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repr = _repr_instance.repr
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escape = _repr_instance.escape
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|
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def page(self, title, contents):
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"""Format an HTML page."""
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return '''
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html><head><title>Python: %s</title>
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</head><body bgcolor="#f0f0f8">
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%s
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</body></html>''' % (title, contents)
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|
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def heading(self, title, fgcol, bgcol, extras=''):
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"""Format a page heading."""
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return '''
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="heading">
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<tr bgcolor="%s">
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<td valign=bottom> <br>
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|
<font color="%s" face="helvetica, arial"> <br>%s</font></td
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><td align=right valign=bottom
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><font color="%s" face="helvetica, arial">%s</font></td></tr></table>
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''' % (bgcol, fgcol, title, fgcol, extras or ' ')
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def section(self, title, fgcol, bgcol, contents, width=6,
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prelude='', marginalia=None, gap=' '):
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"""Format a section with a heading."""
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if marginalia is None:
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marginalia = '<tt>' + ' ' * width + '</tt>'
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result = '''<p>
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<table width="100%%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<tr bgcolor="%s">
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<td colspan=3 valign=bottom> <br>
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<font color="%s" face="helvetica, arial">%s</font></td></tr>
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''' % (bgcol, fgcol, title)
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if prelude:
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result = result + '''
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<tr bgcolor="%s"><td rowspan=2>%s</td>
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<td colspan=2>%s</td></tr>
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<tr><td>%s</td>''' % (bgcol, marginalia, prelude, gap)
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else:
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result = result + '''
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<tr><td bgcolor="%s">%s</td><td>%s</td>''' % (bgcol, marginalia, gap)
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|
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return result + '\n<td width="100%%">%s</td></tr></table>' % contents
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|
|
def bigsection(self, title, *args):
|
|
"""Format a section with a big heading."""
|
|
title = '<big><strong>%s</strong></big>' % title
|
|
return self.section(title, *args)
|
|
|
|
def preformat(self, text):
|
|
"""Format literal preformatted text."""
|
|
text = self.escape(expandtabs(text))
|
|
return replace(text, '\n\n', '\n \n', '\n\n', '\n \n',
|
|
' ', ' ', '\n', '<br>\n')
|
|
|
|
def multicolumn(self, list, format, cols=4):
|
|
"""Format a list of items into a multi-column list."""
|
|
result = ''
|
|
rows = (len(list)+cols-1)//cols
|
|
for col in range(cols):
|
|
result = result + '<td width="%d%%" valign=top>' % (100//cols)
|
|
for i in range(rows*col, rows*col+rows):
|
|
if i < len(list):
|
|
result = result + format(list[i]) + '<br>\n'
|
|
result = result + '</td>'
|
|
return '<table width="100%%" summary="list"><tr>%s</tr></table>' % result
|
|
|
|
def grey(self, text): return '<font color="#909090">%s</font>' % text
|
|
|
|
def namelink(self, name, *dicts):
|
|
"""Make a link for an identifier, given name-to-URL mappings."""
|
|
for dict in dicts:
|
|
if name in dict:
|
|
return '<a href="%s">%s</a>' % (dict[name], name)
|
|
return name
|
|
|
|
def classlink(self, object, modname):
|
|
"""Make a link for a class."""
|
|
name, module = object.__name__, sys.modules.get(object.__module__)
|
|
if hasattr(module, name) and getattr(module, name) is object:
|
|
return '<a href="%s.html#%s">%s</a>' % (
|
|
module.__name__, name, classname(object, modname))
|
|
return classname(object, modname)
|
|
|
|
def modulelink(self, object):
|
|
"""Make a link for a module."""
|
|
return '<a href="%s.html">%s</a>' % (object.__name__, object.__name__)
|
|
|
|
def modpkglink(self, data):
|
|
"""Make a link for a module or package to display in an index."""
|
|
name, path, ispackage, shadowed = data
|
|
if shadowed:
|
|
return self.grey(name)
|
|
if path:
|
|
url = '%s.%s.html' % (path, name)
|
|
else:
|
|
url = '%s.html' % name
|
|
if ispackage:
|
|
text = '<strong>%s</strong> (package)' % name
|
|
else:
|
|
text = name
|
|
return '<a href="%s">%s</a>' % (url, text)
|
|
|
|
def markup(self, text, escape=None, funcs={}, classes={}, methods={}):
|
|
"""Mark up some plain text, given a context of symbols to look for.
|
|
Each context dictionary maps object names to anchor names."""
|
|
escape = escape or self.escape
|
|
results = []
|
|
here = 0
|
|
pattern = re.compile(r'\b((http|ftp)://\S+[\w/]|'
|
|
r'RFC[- ]?(\d+)|'
|
|
r'PEP[- ]?(\d+)|'
|
|
r'(self\.)?(\w+))')
|
|
while True:
|
|
match = pattern.search(text, here)
|
|
if not match: break
|
|
start, end = match.span()
|
|
results.append(escape(text[here:start]))
|
|
|
|
all, scheme, rfc, pep, selfdot, name = match.groups()
|
|
if scheme:
|
|
url = escape(all).replace('"', '"')
|
|
results.append('<a href="%s">%s</a>' % (url, url))
|
|
elif rfc:
|
|
url = 'http://www.rfc-editor.org/rfc/rfc%d.txt' % int(rfc)
|
|
results.append('<a href="%s">%s</a>' % (url, escape(all)))
|
|
elif pep:
|
|
url = 'http://www.python.org/dev/peps/pep-%04d/' % int(pep)
|
|
results.append('<a href="%s">%s</a>' % (url, escape(all)))
|
|
elif text[end:end+1] == '(':
|
|
results.append(self.namelink(name, methods, funcs, classes))
|
|
elif selfdot:
|
|
results.append('self.<strong>%s</strong>' % name)
|
|
else:
|
|
results.append(self.namelink(name, classes))
|
|
here = end
|
|
results.append(escape(text[here:]))
|
|
return join(results, '')
|
|
|
|
# ---------------------------------------------- type-specific routines
|
|
|
|
def formattree(self, tree, modname, parent=None):
|
|
"""Produce HTML for a class tree as given by inspect.getclasstree()."""
|
|
result = ''
|
|
for entry in tree:
|
|
if type(entry) is type(()):
|
|
c, bases = entry
|
|
result = result + '<dt><font face="helvetica, arial">'
|
|
result = result + self.classlink(c, modname)
|
|
if bases and bases != (parent,):
|
|
parents = []
|
|
for base in bases:
|
|
parents.append(self.classlink(base, modname))
|
|
result = result + '(' + join(parents, ', ') + ')'
|
|
result = result + '\n</font></dt>'
|
|
elif type(entry) is type([]):
|
|
result = result + '<dd>\n%s</dd>\n' % self.formattree(
|
|
entry, modname, c)
|
|
return '<dl>\n%s</dl>\n' % result
|
|
|
|
def docmodule(self, object, name=None, mod=None, *ignored):
|
|
"""Produce HTML documentation for a module object."""
|
|
name = object.__name__ # ignore the passed-in name
|
|
try:
|
|
all = object.__all__
|
|
except AttributeError:
|
|
all = None
|
|
parts = split(name, '.')
|
|
links = []
|
|
for i in range(len(parts)-1):
|
|
links.append(
|
|
'<a href="%s.html"><font color="#ffffff">%s</font></a>' %
|
|
(join(parts[:i+1], '.'), parts[i]))
|
|
linkedname = join(links + parts[-1:], '.')
|
|
head = '<big><big><strong>%s</strong></big></big>' % linkedname
|
|
try:
|
|
path = inspect.getabsfile(object)
|
|
url = path
|
|
if sys.platform == 'win32':
|
|
import nturl2path
|
|
url = nturl2path.pathname2url(path)
|
|
filelink = '<a href="file:%s">%s</a>' % (url, path)
|
|
except TypeError:
|
|
filelink = '(built-in)'
|
|
info = []
|
|
if hasattr(object, '__version__'):
|
|
version = str(object.__version__)
|
|
if version[:11] == '$' + 'Revision: ' and version[-1:] == '$':
|
|
version = strip(version[11:-1])
|
|
info.append('version %s' % self.escape(version))
|
|
if hasattr(object, '__date__'):
|
|
info.append(self.escape(str(object.__date__)))
|
|
if info:
|
|
head = head + ' (%s)' % join(info, ', ')
|
|
docloc = self.getdocloc(object)
|
|
if docloc is not None:
|
|
docloc = '<br><a href="%(docloc)s">Module Docs</a>' % locals()
|
|
else:
|
|
docloc = ''
|
|
result = self.heading(
|
|
head, '#ffffff', '#7799ee',
|
|
'<a href=".">index</a><br>' + filelink + docloc)
|
|
|
|
modules = inspect.getmembers(object, inspect.ismodule)
|
|
|
|
classes, cdict = [], {}
|
|
for key, value in inspect.getmembers(object, inspect.isclass):
|
|
# if __all__ exists, believe it. Otherwise use old heuristic.
|
|
if (all is not None or
|
|
(inspect.getmodule(value) or object) is object):
|
|
if visiblename(key, all, object):
|
|
classes.append((key, value))
|
|
cdict[key] = cdict[value] = '#' + key
|
|
for key, value in classes:
|
|
for base in value.__bases__:
|
|
key, modname = base.__name__, base.__module__
|
|
module = sys.modules.get(modname)
|
|
if modname != name and module and hasattr(module, key):
|
|
if getattr(module, key) is base:
|
|
if not key in cdict:
|
|
cdict[key] = cdict[base] = modname + '.html#' + key
|
|
funcs, fdict = [], {}
|
|
for key, value in inspect.getmembers(object, inspect.isroutine):
|
|
# if __all__ exists, believe it. Otherwise use old heuristic.
|
|
if (all is not None or
|
|
inspect.isbuiltin(value) or inspect.getmodule(value) is object):
|
|
if visiblename(key, all, object):
|
|
funcs.append((key, value))
|
|
fdict[key] = '#-' + key
|
|
if inspect.isfunction(value): fdict[value] = fdict[key]
|
|
data = []
|
|
for key, value in inspect.getmembers(object, isdata):
|
|
if visiblename(key, all, object):
|
|
data.append((key, value))
|
|
|
|
doc = self.markup(getdoc(object), self.preformat, fdict, cdict)
|
|
doc = doc and '<tt>%s</tt>' % doc
|
|
result = result + '<p>%s</p>\n' % doc
|
|
|
|
if hasattr(object, '__path__'):
|
|
modpkgs = []
|
|
for importer, modname, ispkg in pkgutil.iter_modules(object.__path__):
|
|
modpkgs.append((modname, name, ispkg, 0))
|
|
modpkgs.sort()
|
|
contents = self.multicolumn(modpkgs, self.modpkglink)
|
|
result = result + self.bigsection(
|
|
'Package Contents', '#ffffff', '#aa55cc', contents)
|
|
elif modules:
|
|
contents = self.multicolumn(
|
|
modules, lambda key_value, s=self: s.modulelink(key_value[1]))
|
|
result = result + self.bigsection(
|
|
'Modules', '#ffffff', '#aa55cc', contents)
|
|
|
|
if classes:
|
|
classlist = map(lambda key_value: key_value[1], classes)
|
|
contents = [
|
|
self.formattree(inspect.getclasstree(classlist, 1), name)]
|
|
for key, value in classes:
|
|
contents.append(self.document(value, key, name, fdict, cdict))
|
|
result = result + self.bigsection(
|
|
'Classes', '#ffffff', '#ee77aa', join(contents))
|
|
if funcs:
|
|
contents = []
|
|
for key, value in funcs:
|
|
contents.append(self.document(value, key, name, fdict, cdict))
|
|
result = result + self.bigsection(
|
|
'Functions', '#ffffff', '#eeaa77', join(contents))
|
|
if data:
|
|
contents = []
|
|
for key, value in data:
|
|
contents.append(self.document(value, key))
|
|
result = result + self.bigsection(
|
|
'Data', '#ffffff', '#55aa55', join(contents, '<br>\n'))
|
|
if hasattr(object, '__author__'):
|
|
contents = self.markup(str(object.__author__), self.preformat)
|
|
result = result + self.bigsection(
|
|
'Author', '#ffffff', '#7799ee', contents)
|
|
if hasattr(object, '__credits__'):
|
|
contents = self.markup(str(object.__credits__), self.preformat)
|
|
result = result + self.bigsection(
|
|
'Credits', '#ffffff', '#7799ee', contents)
|
|
|
|
return result
|
|
|
|
def docclass(self, object, name=None, mod=None, funcs={}, classes={},
|
|
*ignored):
|
|
"""Produce HTML documentation for a class object."""
|
|
realname = object.__name__
|
|
name = name or realname
|
|
bases = object.__bases__
|
|
|
|
contents = []
|
|
push = contents.append
|
|
|
|
# Cute little class to pump out a horizontal rule between sections.
|
|
class HorizontalRule:
|
|
def __init__(self):
|
|
self.needone = 0
|
|
def maybe(self):
|
|
if self.needone:
|
|
push('<hr>\n')
|
|
self.needone = 1
|
|
hr = HorizontalRule()
|
|
|
|
# List the mro, if non-trivial.
|
|
mro = deque(inspect.getmro(object))
|
|
if len(mro) > 2:
|
|
hr.maybe()
|
|
push('<dl><dt>Method resolution order:</dt>\n')
|
|
for base in mro:
|
|
push('<dd>%s</dd>\n' % self.classlink(base,
|
|
object.__module__))
|
|
push('</dl>\n')
|
|
|
|
def spill(msg, attrs, predicate):
|
|
ok, attrs = _split_list(attrs, predicate)
|
|
if ok:
|
|
hr.maybe()
|
|
push(msg)
|
|
for name, kind, homecls, value in ok:
|
|
push(self.document(getattr(object, name), name, mod,
|
|
funcs, classes, mdict, object))
|
|
push('\n')
|
|
return attrs
|
|
|
|
def spilldescriptors(msg, attrs, predicate):
|
|
ok, attrs = _split_list(attrs, predicate)
|
|
if ok:
|
|
hr.maybe()
|
|
push(msg)
|
|
for name, kind, homecls, value in ok:
|
|
push(self._docdescriptor(name, value, mod))
|
|
return attrs
|
|
|
|
def spilldata(msg, attrs, predicate):
|
|
ok, attrs = _split_list(attrs, predicate)
|
|
if ok:
|
|
hr.maybe()
|
|
push(msg)
|
|
for name, kind, homecls, value in ok:
|
|
base = self.docother(getattr(object, name), name, mod)
|
|
if (hasattr(value, '__call__') or
|
|
inspect.isdatadescriptor(value)):
|
|
doc = getattr(value, "__doc__", None)
|
|
else:
|
|
doc = None
|
|
if doc is None:
|
|
push('<dl><dt>%s</dl>\n' % base)
|
|
else:
|
|
doc = self.markup(getdoc(value), self.preformat,
|
|
funcs, classes, mdict)
|
|
doc = '<dd><tt>%s</tt>' % doc
|
|
push('<dl><dt>%s%s</dl>\n' % (base, doc))
|
|
push('\n')
|
|
return attrs
|
|
|
|
attrs = filter(lambda data: visiblename(data[0], obj=object),
|
|
classify_class_attrs(object))
|
|
mdict = {}
|
|
for key, kind, homecls, value in attrs:
|
|
mdict[key] = anchor = '#' + name + '-' + key
|
|
value = getattr(object, key)
|
|
try:
|
|
# The value may not be hashable (e.g., a data attr with
|
|
# a dict or list value).
|
|
mdict[value] = anchor
|
|
except TypeError:
|
|
pass
|
|
|
|
while attrs:
|
|
if mro:
|
|
thisclass = mro.popleft()
|
|
else:
|
|
thisclass = attrs[0][2]
|
|
attrs, inherited = _split_list(attrs, lambda t: t[2] is thisclass)
|
|
|
|
if thisclass is __builtin__.object:
|
|
attrs = inherited
|
|
continue
|
|
elif thisclass is object:
|
|
tag = 'defined here'
|
|
else:
|
|
tag = 'inherited from %s' % self.classlink(thisclass,
|
|
object.__module__)
|
|
tag += ':<br>\n'
|
|
|
|
# Sort attrs by name.
|
|
try:
|
|
attrs.sort(key=lambda t: t[0])
|
|
except TypeError:
|
|
attrs.sort(lambda t1, t2: cmp(t1[0], t2[0])) # 2.3 compat
|
|
|
|
# Pump out the attrs, segregated by kind.
|
|
attrs = spill('Methods %s' % tag, attrs,
|
|
lambda t: t[1] == 'method')
|
|
attrs = spill('Class methods %s' % tag, attrs,
|
|
lambda t: t[1] == 'class method')
|
|
attrs = spill('Static methods %s' % tag, attrs,
|
|
lambda t: t[1] == 'static method')
|
|
attrs = spilldescriptors('Data descriptors %s' % tag, attrs,
|
|
lambda t: t[1] == 'data descriptor')
|
|
attrs = spilldata('Data and other attributes %s' % tag, attrs,
|
|
lambda t: t[1] == 'data')
|
|
assert attrs == []
|
|
attrs = inherited
|
|
|
|
contents = ''.join(contents)
|
|
|
|
if name == realname:
|
|
title = '<a name="%s">class <strong>%s</strong></a>' % (
|
|
name, realname)
|
|
else:
|
|
title = '<strong>%s</strong> = <a name="%s">class %s</a>' % (
|
|
name, name, realname)
|
|
if bases:
|
|
parents = []
|
|
for base in bases:
|
|
parents.append(self.classlink(base, object.__module__))
|
|
title = title + '(%s)' % join(parents, ', ')
|
|
doc = self.markup(getdoc(object), self.preformat, funcs, classes, mdict)
|
|
doc = doc and '<tt>%s<br> </tt>' % doc
|
|
|
|
return self.section(title, '#000000', '#ffc8d8', contents, 3, doc)
|
|
|
|
def formatvalue(self, object):
|
|
"""Format an argument default value as text."""
|
|
return self.grey('=' + self.repr(object))
|
|
|
|
def docroutine(self, object, name=None, mod=None,
|
|
funcs={}, classes={}, methods={}, cl=None):
|
|
"""Produce HTML documentation for a function or method object."""
|
|
realname = object.__name__
|
|
name = name or realname
|
|
anchor = (cl and cl.__name__ or '') + '-' + name
|
|
note = ''
|
|
skipdocs = 0
|
|
if inspect.ismethod(object):
|
|
imclass = object.im_class
|
|
if cl:
|
|
if imclass is not cl:
|
|
note = ' from ' + self.classlink(imclass, mod)
|
|
else:
|
|
if object.im_self is not None:
|
|
note = ' method of %s instance' % self.classlink(
|
|
object.im_self.__class__, mod)
|
|
else:
|
|
note = ' unbound %s method' % self.classlink(imclass,mod)
|
|
object = object.im_func
|
|
|
|
if name == realname:
|
|
title = '<a name="%s"><strong>%s</strong></a>' % (anchor, realname)
|
|
else:
|
|
if (cl and realname in cl.__dict__ and
|
|
cl.__dict__[realname] is object):
|
|
reallink = '<a href="#%s">%s</a>' % (
|
|
cl.__name__ + '-' + realname, realname)
|
|
skipdocs = 1
|
|
else:
|
|
reallink = realname
|
|
title = '<a name="%s"><strong>%s</strong></a> = %s' % (
|
|
anchor, name, reallink)
|
|
if inspect.isfunction(object):
|
|
args, varargs, varkw, defaults = inspect.getargspec(object)
|
|
argspec = inspect.formatargspec(
|
|
args, varargs, varkw, defaults, formatvalue=self.formatvalue)
|
|
if realname == '<lambda>':
|
|
title = '<strong>%s</strong> <em>lambda</em> ' % name
|
|
argspec = argspec[1:-1] # remove parentheses
|
|
else:
|
|
argspec = '(...)'
|
|
|
|
decl = title + argspec + (note and self.grey(
|
|
'<font face="helvetica, arial">%s</font>' % note))
|
|
|
|
if skipdocs:
|
|
return '<dl><dt>%s</dt></dl>\n' % decl
|
|
else:
|
|
doc = self.markup(
|
|
getdoc(object), self.preformat, funcs, classes, methods)
|
|
doc = doc and '<dd><tt>%s</tt></dd>' % doc
|
|
return '<dl><dt>%s</dt>%s</dl>\n' % (decl, doc)
|
|
|
|
def _docdescriptor(self, name, value, mod):
|
|
results = []
|
|
push = results.append
|
|
|
|
if name:
|
|
push('<dl><dt><strong>%s</strong></dt>\n' % name)
|
|
if value.__doc__ is not None:
|
|
doc = self.markup(getdoc(value), self.preformat)
|
|
push('<dd><tt>%s</tt></dd>\n' % doc)
|
|
push('</dl>\n')
|
|
|
|
return ''.join(results)
|
|
|
|
def docproperty(self, object, name=None, mod=None, cl=None):
|
|
"""Produce html documentation for a property."""
|
|
return self._docdescriptor(name, object, mod)
|
|
|
|
def docother(self, object, name=None, mod=None, *ignored):
|
|
"""Produce HTML documentation for a data object."""
|
|
lhs = name and '<strong>%s</strong> = ' % name or ''
|
|
return lhs + self.repr(object)
|
|
|
|
def docdata(self, object, name=None, mod=None, cl=None):
|
|
"""Produce html documentation for a data descriptor."""
|
|
return self._docdescriptor(name, object, mod)
|
|
|
|
def index(self, dir, shadowed=None):
|
|
"""Generate an HTML index for a directory of modules."""
|
|
modpkgs = []
|
|
if shadowed is None: shadowed = {}
|
|
for importer, name, ispkg in pkgutil.iter_modules([dir]):
|
|
modpkgs.append((name, '', ispkg, name in shadowed))
|
|
shadowed[name] = 1
|
|
|
|
modpkgs.sort()
|
|
contents = self.multicolumn(modpkgs, self.modpkglink)
|
|
return self.bigsection(dir, '#ffffff', '#ee77aa', contents)
|
|
|
|
# -------------------------------------------- text documentation generator
|
|
|
|
class TextRepr(Repr):
|
|
"""Class for safely making a text representation of a Python object."""
|
|
def __init__(self):
|
|
Repr.__init__(self)
|
|
self.maxlist = self.maxtuple = 20
|
|
self.maxdict = 10
|
|
self.maxstring = self.maxother = 100
|
|
|
|
def repr1(self, x, level):
|
|
if hasattr(type(x), '__name__'):
|
|
methodname = 'repr_' + join(split(type(x).__name__), '_')
|
|
if hasattr(self, methodname):
|
|
return getattr(self, methodname)(x, level)
|
|
return cram(stripid(repr(x)), self.maxother)
|
|
|
|
def repr_string(self, x, level):
|
|
test = cram(x, self.maxstring)
|
|
testrepr = repr(test)
|
|
if '\\' in test and '\\' not in replace(testrepr, r'\\', ''):
|
|
# Backslashes are only literal in the string and are never
|
|
# needed to make any special characters, so show a raw string.
|
|
return 'r' + testrepr[0] + test + testrepr[0]
|
|
return testrepr
|
|
|
|
repr_str = repr_string
|
|
|
|
def repr_instance(self, x, level):
|
|
try:
|
|
return cram(stripid(repr(x)), self.maxstring)
|
|
except:
|
|
return '<%s instance>' % x.__class__.__name__
|
|
|
|
class TextDoc(Doc):
|
|
"""Formatter class for text documentation."""
|
|
|
|
# ------------------------------------------- text formatting utilities
|
|
|
|
_repr_instance = TextRepr()
|
|
repr = _repr_instance.repr
|
|
|
|
def bold(self, text):
|
|
"""Format a string in bold by overstriking."""
|
|
return join(map(lambda ch: ch + '\b' + ch, text), '')
|
|
|
|
def indent(self, text, prefix=' '):
|
|
"""Indent text by prepending a given prefix to each line."""
|
|
if not text: return ''
|
|
lines = split(text, '\n')
|
|
lines = map(lambda line, prefix=prefix: prefix + line, lines)
|
|
if lines: lines[-1] = rstrip(lines[-1])
|
|
return join(lines, '\n')
|
|
|
|
def section(self, title, contents):
|
|
"""Format a section with a given heading."""
|
|
return self.bold(title) + '\n' + rstrip(self.indent(contents)) + '\n\n'
|
|
|
|
# ---------------------------------------------- type-specific routines
|
|
|
|
def formattree(self, tree, modname, parent=None, prefix=''):
|
|
"""Render in text a class tree as returned by inspect.getclasstree()."""
|
|
result = ''
|
|
for entry in tree:
|
|
if type(entry) is type(()):
|
|
c, bases = entry
|
|
result = result + prefix + classname(c, modname)
|
|
if bases and bases != (parent,):
|
|
parents = map(lambda c, m=modname: classname(c, m), bases)
|
|
result = result + '(%s)' % join(parents, ', ')
|
|
result = result + '\n'
|
|
elif type(entry) is type([]):
|
|
result = result + self.formattree(
|
|
entry, modname, c, prefix + ' ')
|
|
return result
|
|
|
|
def docmodule(self, object, name=None, mod=None):
|
|
"""Produce text documentation for a given module object."""
|
|
name = object.__name__ # ignore the passed-in name
|
|
synop, desc = splitdoc(getdoc(object))
|
|
result = self.section('NAME', name + (synop and ' - ' + synop))
|
|
|
|
try:
|
|
all = object.__all__
|
|
except AttributeError:
|
|
all = None
|
|
|
|
try:
|
|
file = inspect.getabsfile(object)
|
|
except TypeError:
|
|
file = '(built-in)'
|
|
result = result + self.section('FILE', file)
|
|
|
|
docloc = self.getdocloc(object)
|
|
if docloc is not None:
|
|
result = result + self.section('MODULE DOCS', docloc)
|
|
|
|
if desc:
|
|
result = result + self.section('DESCRIPTION', desc)
|
|
|
|
classes = []
|
|
for key, value in inspect.getmembers(object, inspect.isclass):
|
|
# if __all__ exists, believe it. Otherwise use old heuristic.
|
|
if (all is not None
|
|
or (inspect.getmodule(value) or object) is object):
|
|
if visiblename(key, all, object):
|
|
classes.append((key, value))
|
|
funcs = []
|
|
for key, value in inspect.getmembers(object, inspect.isroutine):
|
|
# if __all__ exists, believe it. Otherwise use old heuristic.
|
|
if (all is not None or
|
|
inspect.isbuiltin(value) or inspect.getmodule(value) is object):
|
|
if visiblename(key, all, object):
|
|
funcs.append((key, value))
|
|
data = []
|
|
for key, value in inspect.getmembers(object, isdata):
|
|
if visiblename(key, all, object):
|
|
data.append((key, value))
|
|
|
|
modpkgs = []
|
|
modpkgs_names = set()
|
|
if hasattr(object, '__path__'):
|
|
for importer, modname, ispkg in pkgutil.iter_modules(object.__path__):
|
|
modpkgs_names.add(modname)
|
|
if ispkg:
|
|
modpkgs.append(modname + ' (package)')
|
|
else:
|
|
modpkgs.append(modname)
|
|
|
|
modpkgs.sort()
|
|
result = result + self.section(
|
|
'PACKAGE CONTENTS', join(modpkgs, '\n'))
|
|
|
|
# Detect submodules as sometimes created by C extensions
|
|
submodules = []
|
|
for key, value in inspect.getmembers(object, inspect.ismodule):
|
|
if value.__name__.startswith(name + '.') and key not in modpkgs_names:
|
|
submodules.append(key)
|
|
if submodules:
|
|
submodules.sort()
|
|
result = result + self.section(
|
|
'SUBMODULES', join(submodules, '\n'))
|
|
|
|
if classes:
|
|
classlist = map(lambda key_value: key_value[1], classes)
|
|
contents = [self.formattree(
|
|
inspect.getclasstree(classlist, 1), name)]
|
|
for key, value in classes:
|
|
contents.append(self.document(value, key, name))
|
|
result = result + self.section('CLASSES', join(contents, '\n'))
|
|
|
|
if funcs:
|
|
contents = []
|
|
for key, value in funcs:
|
|
contents.append(self.document(value, key, name))
|
|
result = result + self.section('FUNCTIONS', join(contents, '\n'))
|
|
|
|
if data:
|
|
contents = []
|
|
for key, value in data:
|
|
contents.append(self.docother(value, key, name, maxlen=70))
|
|
result = result + self.section('DATA', join(contents, '\n'))
|
|
|
|
if hasattr(object, '__version__'):
|
|
version = str(object.__version__)
|
|
if version[:11] == '$' + 'Revision: ' and version[-1:] == '$':
|
|
version = strip(version[11:-1])
|
|
result = result + self.section('VERSION', version)
|
|
if hasattr(object, '__date__'):
|
|
result = result + self.section('DATE', str(object.__date__))
|
|
if hasattr(object, '__author__'):
|
|
result = result + self.section('AUTHOR', str(object.__author__))
|
|
if hasattr(object, '__credits__'):
|
|
result = result + self.section('CREDITS', str(object.__credits__))
|
|
return result
|
|
|
|
def docclass(self, object, name=None, mod=None, *ignored):
|
|
"""Produce text documentation for a given class object."""
|
|
realname = object.__name__
|
|
name = name or realname
|
|
bases = object.__bases__
|
|
|
|
def makename(c, m=object.__module__):
|
|
return classname(c, m)
|
|
|
|
if name == realname:
|
|
title = 'class ' + self.bold(realname)
|
|
else:
|
|
title = self.bold(name) + ' = class ' + realname
|
|
if bases:
|
|
parents = map(makename, bases)
|
|
title = title + '(%s)' % join(parents, ', ')
|
|
|
|
doc = getdoc(object)
|
|
contents = doc and [doc + '\n'] or []
|
|
push = contents.append
|
|
|
|
# List the mro, if non-trivial.
|
|
mro = deque(inspect.getmro(object))
|
|
if len(mro) > 2:
|
|
push("Method resolution order:")
|
|
for base in mro:
|
|
push(' ' + makename(base))
|
|
push('')
|
|
|
|
# Cute little class to pump out a horizontal rule between sections.
|
|
class HorizontalRule:
|
|
def __init__(self):
|
|
self.needone = 0
|
|
def maybe(self):
|
|
if self.needone:
|
|
push('-' * 70)
|
|
self.needone = 1
|
|
hr = HorizontalRule()
|
|
|
|
def spill(msg, attrs, predicate):
|
|
ok, attrs = _split_list(attrs, predicate)
|
|
if ok:
|
|
hr.maybe()
|
|
push(msg)
|
|
for name, kind, homecls, value in ok:
|
|
push(self.document(getattr(object, name),
|
|
name, mod, object))
|
|
return attrs
|
|
|
|
def spilldescriptors(msg, attrs, predicate):
|
|
ok, attrs = _split_list(attrs, predicate)
|
|
if ok:
|
|
hr.maybe()
|
|
push(msg)
|
|
for name, kind, homecls, value in ok:
|
|
push(self._docdescriptor(name, value, mod))
|
|
return attrs
|
|
|
|
def spilldata(msg, attrs, predicate):
|
|
ok, attrs = _split_list(attrs, predicate)
|
|
if ok:
|
|
hr.maybe()
|
|
push(msg)
|
|
for name, kind, homecls, value in ok:
|
|
if (hasattr(value, '__call__') or
|
|
inspect.isdatadescriptor(value)):
|
|
doc = getdoc(value)
|
|
else:
|
|
doc = None
|
|
push(self.docother(getattr(object, name),
|
|
name, mod, maxlen=70, doc=doc) + '\n')
|
|
return attrs
|
|
|
|
attrs = filter(lambda data: visiblename(data[0], obj=object),
|
|
classify_class_attrs(object))
|
|
while attrs:
|
|
if mro:
|
|
thisclass = mro.popleft()
|
|
else:
|
|
thisclass = attrs[0][2]
|
|
attrs, inherited = _split_list(attrs, lambda t: t[2] is thisclass)
|
|
|
|
if thisclass is __builtin__.object:
|
|
attrs = inherited
|
|
continue
|
|
elif thisclass is object:
|
|
tag = "defined here"
|
|
else:
|
|
tag = "inherited from %s" % classname(thisclass,
|
|
object.__module__)
|
|
|
|
# Sort attrs by name.
|
|
attrs.sort()
|
|
|
|
# Pump out the attrs, segregated by kind.
|
|
attrs = spill("Methods %s:\n" % tag, attrs,
|
|
lambda t: t[1] == 'method')
|
|
attrs = spill("Class methods %s:\n" % tag, attrs,
|
|
lambda t: t[1] == 'class method')
|
|
attrs = spill("Static methods %s:\n" % tag, attrs,
|
|
lambda t: t[1] == 'static method')
|
|
attrs = spilldescriptors("Data descriptors %s:\n" % tag, attrs,
|
|
lambda t: t[1] == 'data descriptor')
|
|
attrs = spilldata("Data and other attributes %s:\n" % tag, attrs,
|
|
lambda t: t[1] == 'data')
|
|
assert attrs == []
|
|
attrs = inherited
|
|
|
|
contents = '\n'.join(contents)
|
|
if not contents:
|
|
return title + '\n'
|
|
return title + '\n' + self.indent(rstrip(contents), ' | ') + '\n'
|
|
|
|
def formatvalue(self, object):
|
|
"""Format an argument default value as text."""
|
|
return '=' + self.repr(object)
|
|
|
|
def docroutine(self, object, name=None, mod=None, cl=None):
|
|
"""Produce text documentation for a function or method object."""
|
|
realname = object.__name__
|
|
name = name or realname
|
|
note = ''
|
|
skipdocs = 0
|
|
if inspect.ismethod(object):
|
|
imclass = object.im_class
|
|
if cl:
|
|
if imclass is not cl:
|
|
note = ' from ' + classname(imclass, mod)
|
|
else:
|
|
if object.im_self is not None:
|
|
note = ' method of %s instance' % classname(
|
|
object.im_self.__class__, mod)
|
|
else:
|
|
note = ' unbound %s method' % classname(imclass,mod)
|
|
object = object.im_func
|
|
|
|
if name == realname:
|
|
title = self.bold(realname)
|
|
else:
|
|
if (cl and realname in cl.__dict__ and
|
|
cl.__dict__[realname] is object):
|
|
skipdocs = 1
|
|
title = self.bold(name) + ' = ' + realname
|
|
if inspect.isfunction(object):
|
|
args, varargs, varkw, defaults = inspect.getargspec(object)
|
|
argspec = inspect.formatargspec(
|
|
args, varargs, varkw, defaults, formatvalue=self.formatvalue)
|
|
if realname == '<lambda>':
|
|
title = self.bold(name) + ' lambda '
|
|
argspec = argspec[1:-1] # remove parentheses
|
|
else:
|
|
argspec = '(...)'
|
|
decl = title + argspec + note
|
|
|
|
if skipdocs:
|
|
return decl + '\n'
|
|
else:
|
|
doc = getdoc(object) or ''
|
|
return decl + '\n' + (doc and rstrip(self.indent(doc)) + '\n')
|
|
|
|
def _docdescriptor(self, name, value, mod):
|
|
results = []
|
|
push = results.append
|
|
|
|
if name:
|
|
push(self.bold(name))
|
|
push('\n')
|
|
doc = getdoc(value) or ''
|
|
if doc:
|
|
push(self.indent(doc))
|
|
push('\n')
|
|
return ''.join(results)
|
|
|
|
def docproperty(self, object, name=None, mod=None, cl=None):
|
|
"""Produce text documentation for a property."""
|
|
return self._docdescriptor(name, object, mod)
|
|
|
|
def docdata(self, object, name=None, mod=None, cl=None):
|
|
"""Produce text documentation for a data descriptor."""
|
|
return self._docdescriptor(name, object, mod)
|
|
|
|
def docother(self, object, name=None, mod=None, parent=None, maxlen=None, doc=None):
|
|
"""Produce text documentation for a data object."""
|
|
repr = self.repr(object)
|
|
if maxlen:
|
|
line = (name and name + ' = ' or '') + repr
|
|
chop = maxlen - len(line)
|
|
if chop < 0: repr = repr[:chop] + '...'
|
|
line = (name and self.bold(name) + ' = ' or '') + repr
|
|
if doc is not None:
|
|
line += '\n' + self.indent(str(doc))
|
|
return line
|
|
|
|
# --------------------------------------------------------- user interfaces
|
|
|
|
def pager(text):
|
|
"""The first time this is called, determine what kind of pager to use."""
|
|
global pager
|
|
pager = getpager()
|
|
pager(text)
|
|
|
|
def getpager():
|
|
"""Decide what method to use for paging through text."""
|
|
if type(sys.stdout) is not types.FileType:
|
|
return plainpager
|
|
if not sys.stdin.isatty() or not sys.stdout.isatty():
|
|
return plainpager
|
|
if 'PAGER' in os.environ:
|
|
if sys.platform == 'win32': # pipes completely broken in Windows
|
|
return lambda text: tempfilepager(plain(text), os.environ['PAGER'])
|
|
elif os.environ.get('TERM') in ('dumb', 'emacs'):
|
|
return lambda text: pipepager(plain(text), os.environ['PAGER'])
|
|
else:
|
|
return lambda text: pipepager(text, os.environ['PAGER'])
|
|
if os.environ.get('TERM') in ('dumb', 'emacs'):
|
|
return plainpager
|
|
if sys.platform == 'win32' or sys.platform.startswith('os2'):
|
|
return lambda text: tempfilepager(plain(text), 'more <')
|
|
if hasattr(os, 'system') and os.system('(less) 2>/dev/null') == 0:
|
|
return lambda text: pipepager(text, 'less')
|
|
|
|
import tempfile
|
|
(fd, filename) = tempfile.mkstemp()
|
|
os.close(fd)
|
|
try:
|
|
if hasattr(os, 'system') and os.system('more "%s"' % filename) == 0:
|
|
return lambda text: pipepager(text, 'more')
|
|
else:
|
|
return ttypager
|
|
finally:
|
|
os.unlink(filename)
|
|
|
|
def plain(text):
|
|
"""Remove boldface formatting from text."""
|
|
return re.sub('.\b', '', text)
|
|
|
|
def pipepager(text, cmd):
|
|
"""Page through text by feeding it to another program."""
|
|
pipe = os.popen(cmd, 'w')
|
|
try:
|
|
pipe.write(text)
|
|
pipe.close()
|
|
except IOError:
|
|
pass # Ignore broken pipes caused by quitting the pager program.
|
|
|
|
def tempfilepager(text, cmd):
|
|
"""Page through text by invoking a program on a temporary file."""
|
|
import tempfile
|
|
filename = tempfile.mktemp()
|
|
file = open(filename, 'w')
|
|
file.write(text)
|
|
file.close()
|
|
try:
|
|
os.system(cmd + ' "' + filename + '"')
|
|
finally:
|
|
os.unlink(filename)
|
|
|
|
def ttypager(text):
|
|
"""Page through text on a text terminal."""
|
|
lines = split(plain(text), '\n')
|
|
try:
|
|
import tty
|
|
fd = sys.stdin.fileno()
|
|
old = tty.tcgetattr(fd)
|
|
tty.setcbreak(fd)
|
|
getchar = lambda: sys.stdin.read(1)
|
|
except (ImportError, AttributeError):
|
|
tty = None
|
|
getchar = lambda: sys.stdin.readline()[:-1][:1]
|
|
|
|
try:
|
|
r = inc = os.environ.get('LINES', 25) - 1
|
|
sys.stdout.write(join(lines[:inc], '\n') + '\n')
|
|
while lines[r:]:
|
|
sys.stdout.write('-- more --')
|
|
sys.stdout.flush()
|
|
c = getchar()
|
|
|
|
if c in ('q', 'Q'):
|
|
sys.stdout.write('\r \r')
|
|
break
|
|
elif c in ('\r', '\n'):
|
|
sys.stdout.write('\r \r' + lines[r] + '\n')
|
|
r = r + 1
|
|
continue
|
|
if c in ('b', 'B', '\x1b'):
|
|
r = r - inc - inc
|
|
if r < 0: r = 0
|
|
sys.stdout.write('\n' + join(lines[r:r+inc], '\n') + '\n')
|
|
r = r + inc
|
|
|
|
finally:
|
|
if tty:
|
|
tty.tcsetattr(fd, tty.TCSAFLUSH, old)
|
|
|
|
def plainpager(text):
|
|
"""Simply print unformatted text. This is the ultimate fallback."""
|
|
sys.stdout.write(plain(text))
|
|
|
|
def describe(thing):
|
|
"""Produce a short description of the given thing."""
|
|
if inspect.ismodule(thing):
|
|
if thing.__name__ in sys.builtin_module_names:
|
|
return 'built-in module ' + thing.__name__
|
|
if hasattr(thing, '__path__'):
|
|
return 'package ' + thing.__name__
|
|
else:
|
|
return 'module ' + thing.__name__
|
|
if inspect.isbuiltin(thing):
|
|
return 'built-in function ' + thing.__name__
|
|
if inspect.isgetsetdescriptor(thing):
|
|
return 'getset descriptor %s.%s.%s' % (
|
|
thing.__objclass__.__module__, thing.__objclass__.__name__,
|
|
thing.__name__)
|
|
if inspect.ismemberdescriptor(thing):
|
|
return 'member descriptor %s.%s.%s' % (
|
|
thing.__objclass__.__module__, thing.__objclass__.__name__,
|
|
thing.__name__)
|
|
if inspect.isclass(thing):
|
|
return 'class ' + thing.__name__
|
|
if inspect.isfunction(thing):
|
|
return 'function ' + thing.__name__
|
|
if inspect.ismethod(thing):
|
|
return 'method ' + thing.__name__
|
|
if type(thing) is types.InstanceType:
|
|
return 'instance of ' + thing.__class__.__name__
|
|
return type(thing).__name__
|
|
|
|
def locate(path, forceload=0):
|
|
"""Locate an object by name or dotted path, importing as necessary."""
|
|
parts = [part for part in split(path, '.') if part]
|
|
module, n = None, 0
|
|
while n < len(parts):
|
|
nextmodule = safeimport(join(parts[:n+1], '.'), forceload)
|
|
if nextmodule: module, n = nextmodule, n + 1
|
|
else: break
|
|
if module:
|
|
object = module
|
|
for part in parts[n:]:
|
|
try: object = getattr(object, part)
|
|
except AttributeError: return None
|
|
return object
|
|
else:
|
|
if hasattr(__builtin__, path):
|
|
return getattr(__builtin__, path)
|
|
|
|
# --------------------------------------- interactive interpreter interface
|
|
|
|
text = TextDoc()
|
|
html = HTMLDoc()
|
|
|
|
class _OldStyleClass: pass
|
|
_OLD_INSTANCE_TYPE = type(_OldStyleClass())
|
|
|
|
def resolve(thing, forceload=0):
|
|
"""Given an object or a path to an object, get the object and its name."""
|
|
if isinstance(thing, str):
|
|
object = locate(thing, forceload)
|
|
if not object:
|
|
raise ImportError, 'no Python documentation found for %r' % thing
|
|
return object, thing
|
|
else:
|
|
return thing, getattr(thing, '__name__', None)
|
|
|
|
def render_doc(thing, title='Python Library Documentation: %s', forceload=0):
|
|
"""Render text documentation, given an object or a path to an object."""
|
|
object, name = resolve(thing, forceload)
|
|
desc = describe(object)
|
|
module = inspect.getmodule(object)
|
|
if name and '.' in name:
|
|
desc += ' in ' + name[:name.rfind('.')]
|
|
elif module and module is not object:
|
|
desc += ' in module ' + module.__name__
|
|
if type(object) is _OLD_INSTANCE_TYPE:
|
|
# If the passed object is an instance of an old-style class,
|
|
# document its available methods instead of its value.
|
|
object = object.__class__
|
|
elif not (inspect.ismodule(object) or
|
|
inspect.isclass(object) or
|
|
inspect.isroutine(object) or
|
|
inspect.isgetsetdescriptor(object) or
|
|
inspect.ismemberdescriptor(object) or
|
|
isinstance(object, property)):
|
|
# If the passed object is a piece of data or an instance,
|
|
# document its available methods instead of its value.
|
|
object = type(object)
|
|
desc += ' object'
|
|
return title % desc + '\n\n' + text.document(object, name)
|
|
|
|
def doc(thing, title='Python Library Documentation: %s', forceload=0):
|
|
"""Display text documentation, given an object or a path to an object."""
|
|
try:
|
|
pager(render_doc(thing, title, forceload))
|
|
except (ImportError, ErrorDuringImport), value:
|
|
print value
|
|
|
|
def writedoc(thing, forceload=0):
|
|
"""Write HTML documentation to a file in the current directory."""
|
|
try:
|
|
object, name = resolve(thing, forceload)
|
|
page = html.page(describe(object), html.document(object, name))
|
|
file = open(name + '.html', 'w')
|
|
file.write(page)
|
|
file.close()
|
|
print 'wrote', name + '.html'
|
|
except (ImportError, ErrorDuringImport), value:
|
|
print value
|
|
|
|
def writedocs(dir, pkgpath='', done=None):
|
|
"""Write out HTML documentation for all modules in a directory tree."""
|
|
if done is None: done = {}
|
|
for importer, modname, ispkg in pkgutil.walk_packages([dir], pkgpath):
|
|
writedoc(modname)
|
|
return
|
|
|
|
class Helper:
|
|
|
|
# These dictionaries map a topic name to either an alias, or a tuple
|
|
# (label, seealso-items). The "label" is the label of the corresponding
|
|
# section in the .rst file under Doc/ and an index into the dictionary
|
|
# in pydoc_data/topics.py.
|
|
#
|
|
# CAUTION: if you change one of these dictionaries, be sure to adapt the
|
|
# list of needed labels in Doc/tools/sphinxext/pyspecific.py and
|
|
# regenerate the pydoc_data/topics.py file by running
|
|
# make pydoc-topics
|
|
# in Doc/ and copying the output file into the Lib/ directory.
|
|
|
|
keywords = {
|
|
'and': 'BOOLEAN',
|
|
'as': 'with',
|
|
'assert': ('assert', ''),
|
|
'break': ('break', 'while for'),
|
|
'class': ('class', 'CLASSES SPECIALMETHODS'),
|
|
'continue': ('continue', 'while for'),
|
|
'def': ('function', ''),
|
|
'del': ('del', 'BASICMETHODS'),
|
|
'elif': 'if',
|
|
'else': ('else', 'while for'),
|
|
'except': 'try',
|
|
'exec': ('exec', ''),
|
|
'finally': 'try',
|
|
'for': ('for', 'break continue while'),
|
|
'from': 'import',
|
|
'global': ('global', 'NAMESPACES'),
|
|
'if': ('if', 'TRUTHVALUE'),
|
|
'import': ('import', 'MODULES'),
|
|
'in': ('in', 'SEQUENCEMETHODS2'),
|
|
'is': 'COMPARISON',
|
|
'lambda': ('lambda', 'FUNCTIONS'),
|
|
'not': 'BOOLEAN',
|
|
'or': 'BOOLEAN',
|
|
'pass': ('pass', ''),
|
|
'print': ('print', ''),
|
|
'raise': ('raise', 'EXCEPTIONS'),
|
|
'return': ('return', 'FUNCTIONS'),
|
|
'try': ('try', 'EXCEPTIONS'),
|
|
'while': ('while', 'break continue if TRUTHVALUE'),
|
|
'with': ('with', 'CONTEXTMANAGERS EXCEPTIONS yield'),
|
|
'yield': ('yield', ''),
|
|
}
|
|
# Either add symbols to this dictionary or to the symbols dictionary
|
|
# directly: Whichever is easier. They are merged later.
|
|
_symbols_inverse = {
|
|
'STRINGS' : ("'", "'''", "r'", "u'", '"""', '"', 'r"', 'u"'),
|
|
'OPERATORS' : ('+', '-', '*', '**', '/', '//', '%', '<<', '>>', '&',
|
|
'|', '^', '~', '<', '>', '<=', '>=', '==', '!=', '<>'),
|
|
'COMPARISON' : ('<', '>', '<=', '>=', '==', '!=', '<>'),
|
|
'UNARY' : ('-', '~'),
|
|
'AUGMENTEDASSIGNMENT' : ('+=', '-=', '*=', '/=', '%=', '&=', '|=',
|
|
'^=', '<<=', '>>=', '**=', '//='),
|
|
'BITWISE' : ('<<', '>>', '&', '|', '^', '~'),
|
|
'COMPLEX' : ('j', 'J')
|
|
}
|
|
symbols = {
|
|
'%': 'OPERATORS FORMATTING',
|
|
'**': 'POWER',
|
|
',': 'TUPLES LISTS FUNCTIONS',
|
|
'.': 'ATTRIBUTES FLOAT MODULES OBJECTS',
|
|
'...': 'ELLIPSIS',
|
|
':': 'SLICINGS DICTIONARYLITERALS',
|
|
'@': 'def class',
|
|
'\\': 'STRINGS',
|
|
'_': 'PRIVATENAMES',
|
|
'__': 'PRIVATENAMES SPECIALMETHODS',
|
|
'`': 'BACKQUOTES',
|
|
'(': 'TUPLES FUNCTIONS CALLS',
|
|
')': 'TUPLES FUNCTIONS CALLS',
|
|
'[': 'LISTS SUBSCRIPTS SLICINGS',
|
|
']': 'LISTS SUBSCRIPTS SLICINGS'
|
|
}
|
|
for topic, symbols_ in _symbols_inverse.iteritems():
|
|
for symbol in symbols_:
|
|
topics = symbols.get(symbol, topic)
|
|
if topic not in topics:
|
|
topics = topics + ' ' + topic
|
|
symbols[symbol] = topics
|
|
|
|
topics = {
|
|
'TYPES': ('types', 'STRINGS UNICODE NUMBERS SEQUENCES MAPPINGS '
|
|
'FUNCTIONS CLASSES MODULES FILES inspect'),
|
|
'STRINGS': ('strings', 'str UNICODE SEQUENCES STRINGMETHODS FORMATTING '
|
|
'TYPES'),
|
|
'STRINGMETHODS': ('string-methods', 'STRINGS FORMATTING'),
|
|
'FORMATTING': ('formatstrings', 'OPERATORS'),
|
|
'UNICODE': ('strings', 'encodings unicode SEQUENCES STRINGMETHODS '
|
|
'FORMATTING TYPES'),
|
|
'NUMBERS': ('numbers', 'INTEGER FLOAT COMPLEX TYPES'),
|
|
'INTEGER': ('integers', 'int range'),
|
|
'FLOAT': ('floating', 'float math'),
|
|
'COMPLEX': ('imaginary', 'complex cmath'),
|
|
'SEQUENCES': ('typesseq', 'STRINGMETHODS FORMATTING xrange LISTS'),
|
|
'MAPPINGS': 'DICTIONARIES',
|
|
'FUNCTIONS': ('typesfunctions', 'def TYPES'),
|
|
'METHODS': ('typesmethods', 'class def CLASSES TYPES'),
|
|
'CODEOBJECTS': ('bltin-code-objects', 'compile FUNCTIONS TYPES'),
|
|
'TYPEOBJECTS': ('bltin-type-objects', 'types TYPES'),
|
|
'FRAMEOBJECTS': 'TYPES',
|
|
'TRACEBACKS': 'TYPES',
|
|
'NONE': ('bltin-null-object', ''),
|
|
'ELLIPSIS': ('bltin-ellipsis-object', 'SLICINGS'),
|
|
'FILES': ('bltin-file-objects', ''),
|
|
'SPECIALATTRIBUTES': ('specialattrs', ''),
|
|
'CLASSES': ('types', 'class SPECIALMETHODS PRIVATENAMES'),
|
|
'MODULES': ('typesmodules', 'import'),
|
|
'PACKAGES': 'import',
|
|
'EXPRESSIONS': ('operator-summary', 'lambda or and not in is BOOLEAN '
|
|
'COMPARISON BITWISE SHIFTING BINARY FORMATTING POWER '
|
|
'UNARY ATTRIBUTES SUBSCRIPTS SLICINGS CALLS TUPLES '
|
|
'LISTS DICTIONARIES BACKQUOTES'),
|
|
'OPERATORS': 'EXPRESSIONS',
|
|
'PRECEDENCE': 'EXPRESSIONS',
|
|
'OBJECTS': ('objects', 'TYPES'),
|
|
'SPECIALMETHODS': ('specialnames', 'BASICMETHODS ATTRIBUTEMETHODS '
|
|
'CALLABLEMETHODS SEQUENCEMETHODS1 MAPPINGMETHODS '
|
|
'SEQUENCEMETHODS2 NUMBERMETHODS CLASSES'),
|
|
'BASICMETHODS': ('customization', 'cmp hash repr str SPECIALMETHODS'),
|
|
'ATTRIBUTEMETHODS': ('attribute-access', 'ATTRIBUTES SPECIALMETHODS'),
|
|
'CALLABLEMETHODS': ('callable-types', 'CALLS SPECIALMETHODS'),
|
|
'SEQUENCEMETHODS1': ('sequence-types', 'SEQUENCES SEQUENCEMETHODS2 '
|
|
'SPECIALMETHODS'),
|
|
'SEQUENCEMETHODS2': ('sequence-methods', 'SEQUENCES SEQUENCEMETHODS1 '
|
|
'SPECIALMETHODS'),
|
|
'MAPPINGMETHODS': ('sequence-types', 'MAPPINGS SPECIALMETHODS'),
|
|
'NUMBERMETHODS': ('numeric-types', 'NUMBERS AUGMENTEDASSIGNMENT '
|
|
'SPECIALMETHODS'),
|
|
'EXECUTION': ('execmodel', 'NAMESPACES DYNAMICFEATURES EXCEPTIONS'),
|
|
'NAMESPACES': ('naming', 'global ASSIGNMENT DELETION DYNAMICFEATURES'),
|
|
'DYNAMICFEATURES': ('dynamic-features', ''),
|
|
'SCOPING': 'NAMESPACES',
|
|
'FRAMES': 'NAMESPACES',
|
|
'EXCEPTIONS': ('exceptions', 'try except finally raise'),
|
|
'COERCIONS': ('coercion-rules','CONVERSIONS'),
|
|
'CONVERSIONS': ('conversions', 'COERCIONS'),
|
|
'IDENTIFIERS': ('identifiers', 'keywords SPECIALIDENTIFIERS'),
|
|
'SPECIALIDENTIFIERS': ('id-classes', ''),
|
|
'PRIVATENAMES': ('atom-identifiers', ''),
|
|
'LITERALS': ('atom-literals', 'STRINGS BACKQUOTES NUMBERS '
|
|
'TUPLELITERALS LISTLITERALS DICTIONARYLITERALS'),
|
|
'TUPLES': 'SEQUENCES',
|
|
'TUPLELITERALS': ('exprlists', 'TUPLES LITERALS'),
|
|
'LISTS': ('typesseq-mutable', 'LISTLITERALS'),
|
|
'LISTLITERALS': ('lists', 'LISTS LITERALS'),
|
|
'DICTIONARIES': ('typesmapping', 'DICTIONARYLITERALS'),
|
|
'DICTIONARYLITERALS': ('dict', 'DICTIONARIES LITERALS'),
|
|
'BACKQUOTES': ('string-conversions', 'repr str STRINGS LITERALS'),
|
|
'ATTRIBUTES': ('attribute-references', 'getattr hasattr setattr '
|
|
'ATTRIBUTEMETHODS'),
|
|
'SUBSCRIPTS': ('subscriptions', 'SEQUENCEMETHODS1'),
|
|
'SLICINGS': ('slicings', 'SEQUENCEMETHODS2'),
|
|
'CALLS': ('calls', 'EXPRESSIONS'),
|
|
'POWER': ('power', 'EXPRESSIONS'),
|
|
'UNARY': ('unary', 'EXPRESSIONS'),
|
|
'BINARY': ('binary', 'EXPRESSIONS'),
|
|
'SHIFTING': ('shifting', 'EXPRESSIONS'),
|
|
'BITWISE': ('bitwise', 'EXPRESSIONS'),
|
|
'COMPARISON': ('comparisons', 'EXPRESSIONS BASICMETHODS'),
|
|
'BOOLEAN': ('booleans', 'EXPRESSIONS TRUTHVALUE'),
|
|
'ASSERTION': 'assert',
|
|
'ASSIGNMENT': ('assignment', 'AUGMENTEDASSIGNMENT'),
|
|
'AUGMENTEDASSIGNMENT': ('augassign', 'NUMBERMETHODS'),
|
|
'DELETION': 'del',
|
|
'PRINTING': 'print',
|
|
'RETURNING': 'return',
|
|
'IMPORTING': 'import',
|
|
'CONDITIONAL': 'if',
|
|
'LOOPING': ('compound', 'for while break continue'),
|
|
'TRUTHVALUE': ('truth', 'if while and or not BASICMETHODS'),
|
|
'DEBUGGING': ('debugger', 'pdb'),
|
|
'CONTEXTMANAGERS': ('context-managers', 'with'),
|
|
}
|
|
|
|
def __init__(self, input=None, output=None):
|
|
self._input = input
|
|
self._output = output
|
|
|
|
input = property(lambda self: self._input or sys.stdin)
|
|
output = property(lambda self: self._output or sys.stdout)
|
|
|
|
def __repr__(self):
|
|
if inspect.stack()[1][3] == '?':
|
|
self()
|
|
return ''
|
|
return '<pydoc.Helper instance>'
|
|
|
|
_GoInteractive = object()
|
|
def __call__(self, request=_GoInteractive):
|
|
if request is not self._GoInteractive:
|
|
self.help(request)
|
|
else:
|
|
self.intro()
|
|
self.interact()
|
|
self.output.write('''
|
|
You are now leaving help and returning to the Python interpreter.
|
|
If you want to ask for help on a particular object directly from the
|
|
interpreter, you can type "help(object)". Executing "help('string')"
|
|
has the same effect as typing a particular string at the help> prompt.
|
|
''')
|
|
|
|
def interact(self):
|
|
self.output.write('\n')
|
|
while True:
|
|
try:
|
|
request = self.getline('help> ')
|
|
if not request: break
|
|
except (KeyboardInterrupt, EOFError):
|
|
break
|
|
request = strip(replace(request, '"', '', "'", ''))
|
|
if lower(request) in ('q', 'quit'): break
|
|
self.help(request)
|
|
|
|
def getline(self, prompt):
|
|
"""Read one line, using raw_input when available."""
|
|
if self.input is sys.stdin:
|
|
return raw_input(prompt)
|
|
else:
|
|
self.output.write(prompt)
|
|
self.output.flush()
|
|
return self.input.readline()
|
|
|
|
def help(self, request):
|
|
if type(request) is type(''):
|
|
request = request.strip()
|
|
if request == 'help': self.intro()
|
|
elif request == 'keywords': self.listkeywords()
|
|
elif request == 'symbols': self.listsymbols()
|
|
elif request == 'topics': self.listtopics()
|
|
elif request == 'modules': self.listmodules()
|
|
elif request[:8] == 'modules ':
|
|
self.listmodules(split(request)[1])
|
|
elif request in self.symbols: self.showsymbol(request)
|
|
elif request in self.keywords: self.showtopic(request)
|
|
elif request in self.topics: self.showtopic(request)
|
|
elif request: doc(request, 'Help on %s:')
|
|
elif isinstance(request, Helper): self()
|
|
else: doc(request, 'Help on %s:')
|
|
self.output.write('\n')
|
|
|
|
def intro(self):
|
|
self.output.write('''
|
|
Welcome to Python %s! This is the online help utility.
|
|
|
|
If this is your first time using Python, you should definitely check out
|
|
the tutorial on the Internet at http://docs.python.org/tutorial/.
|
|
|
|
Enter the name of any module, keyword, or topic to get help on writing
|
|
Python programs and using Python modules. To quit this help utility and
|
|
return to the interpreter, just type "quit".
|
|
|
|
To get a list of available modules, keywords, or topics, type "modules",
|
|
"keywords", or "topics". Each module also comes with a one-line summary
|
|
of what it does; to list the modules whose summaries contain a given word
|
|
such as "spam", type "modules spam".
|
|
''' % sys.version[:3])
|
|
|
|
def list(self, items, columns=4, width=80):
|
|
items = items[:]
|
|
items.sort()
|
|
colw = width / columns
|
|
rows = (len(items) + columns - 1) / columns
|
|
for row in range(rows):
|
|
for col in range(columns):
|
|
i = col * rows + row
|
|
if i < len(items):
|
|
self.output.write(items[i])
|
|
if col < columns - 1:
|
|
self.output.write(' ' + ' ' * (colw-1 - len(items[i])))
|
|
self.output.write('\n')
|
|
|
|
def listkeywords(self):
|
|
self.output.write('''
|
|
Here is a list of the Python keywords. Enter any keyword to get more help.
|
|
|
|
''')
|
|
self.list(self.keywords.keys())
|
|
|
|
def listsymbols(self):
|
|
self.output.write('''
|
|
Here is a list of the punctuation symbols which Python assigns special meaning
|
|
to. Enter any symbol to get more help.
|
|
|
|
''')
|
|
self.list(self.symbols.keys())
|
|
|
|
def listtopics(self):
|
|
self.output.write('''
|
|
Here is a list of available topics. Enter any topic name to get more help.
|
|
|
|
''')
|
|
self.list(self.topics.keys())
|
|
|
|
def showtopic(self, topic, more_xrefs=''):
|
|
try:
|
|
import pydoc_data.topics
|
|
except ImportError:
|
|
self.output.write('''
|
|
Sorry, topic and keyword documentation is not available because the
|
|
module "pydoc_data.topics" could not be found.
|
|
''')
|
|
return
|
|
target = self.topics.get(topic, self.keywords.get(topic))
|
|
if not target:
|
|
self.output.write('no documentation found for %s\n' % repr(topic))
|
|
return
|
|
if type(target) is type(''):
|
|
return self.showtopic(target, more_xrefs)
|
|
|
|
label, xrefs = target
|
|
try:
|
|
doc = pydoc_data.topics.topics[label]
|
|
except KeyError:
|
|
self.output.write('no documentation found for %s\n' % repr(topic))
|
|
return
|
|
pager(strip(doc) + '\n')
|
|
if more_xrefs:
|
|
xrefs = (xrefs or '') + ' ' + more_xrefs
|
|
if xrefs:
|
|
import StringIO, formatter
|
|
buffer = StringIO.StringIO()
|
|
formatter.DumbWriter(buffer).send_flowing_data(
|
|
'Related help topics: ' + join(split(xrefs), ', ') + '\n')
|
|
self.output.write('\n%s\n' % buffer.getvalue())
|
|
|
|
def showsymbol(self, symbol):
|
|
target = self.symbols[symbol]
|
|
topic, _, xrefs = target.partition(' ')
|
|
self.showtopic(topic, xrefs)
|
|
|
|
def listmodules(self, key=''):
|
|
if key:
|
|
self.output.write('''
|
|
Here is a list of matching modules. Enter any module name to get more help.
|
|
|
|
''')
|
|
apropos(key)
|
|
else:
|
|
self.output.write('''
|
|
Please wait a moment while I gather a list of all available modules...
|
|
|
|
''')
|
|
modules = {}
|
|
def callback(path, modname, desc, modules=modules):
|
|
if modname and modname[-9:] == '.__init__':
|
|
modname = modname[:-9] + ' (package)'
|
|
if find(modname, '.') < 0:
|
|
modules[modname] = 1
|
|
def onerror(modname):
|
|
callback(None, modname, None)
|
|
ModuleScanner().run(callback, onerror=onerror)
|
|
self.list(modules.keys())
|
|
self.output.write('''
|
|
Enter any module name to get more help. Or, type "modules spam" to search
|
|
for modules whose descriptions contain the word "spam".
|
|
''')
|
|
|
|
help = Helper()
|
|
|
|
class Scanner:
|
|
"""A generic tree iterator."""
|
|
def __init__(self, roots, children, descendp):
|
|
self.roots = roots[:]
|
|
self.state = []
|
|
self.children = children
|
|
self.descendp = descendp
|
|
|
|
def next(self):
|
|
if not self.state:
|
|
if not self.roots:
|
|
return None
|
|
root = self.roots.pop(0)
|
|
self.state = [(root, self.children(root))]
|
|
node, children = self.state[-1]
|
|
if not children:
|
|
self.state.pop()
|
|
return self.next()
|
|
child = children.pop(0)
|
|
if self.descendp(child):
|
|
self.state.append((child, self.children(child)))
|
|
return child
|
|
|
|
|
|
class ModuleScanner:
|
|
"""An interruptible scanner that searches module synopses."""
|
|
|
|
def run(self, callback, key=None, completer=None, onerror=None):
|
|
if key: key = lower(key)
|
|
self.quit = False
|
|
seen = {}
|
|
|
|
for modname in sys.builtin_module_names:
|
|
if modname != '__main__':
|
|
seen[modname] = 1
|
|
if key is None:
|
|
callback(None, modname, '')
|
|
else:
|
|
desc = split(__import__(modname).__doc__ or '', '\n')[0]
|
|
if find(lower(modname + ' - ' + desc), key) >= 0:
|
|
callback(None, modname, desc)
|
|
|
|
for importer, modname, ispkg in pkgutil.walk_packages(onerror=onerror):
|
|
if self.quit:
|
|
break
|
|
if key is None:
|
|
callback(None, modname, '')
|
|
else:
|
|
loader = importer.find_module(modname)
|
|
if hasattr(loader,'get_source'):
|
|
import StringIO
|
|
desc = source_synopsis(
|
|
StringIO.StringIO(loader.get_source(modname))
|
|
) or ''
|
|
if hasattr(loader,'get_filename'):
|
|
path = loader.get_filename(modname)
|
|
else:
|
|
path = None
|
|
else:
|
|
module = loader.load_module(modname)
|
|
desc = (module.__doc__ or '').splitlines()[0]
|
|
path = getattr(module,'__file__',None)
|
|
if find(lower(modname + ' - ' + desc), key) >= 0:
|
|
callback(path, modname, desc)
|
|
|
|
if completer:
|
|
completer()
|
|
|
|
def apropos(key):
|
|
"""Print all the one-line module summaries that contain a substring."""
|
|
def callback(path, modname, desc):
|
|
if modname[-9:] == '.__init__':
|
|
modname = modname[:-9] + ' (package)'
|
|
print modname, desc and '- ' + desc
|
|
try: import warnings
|
|
except ImportError: pass
|
|
else: warnings.filterwarnings('ignore') # ignore problems during import
|
|
ModuleScanner().run(callback, key)
|
|
|
|
# --------------------------------------------------- web browser interface
|
|
|
|
def serve(port, callback=None, completer=None):
|
|
import BaseHTTPServer, mimetools, select
|
|
|
|
# Patch up mimetools.Message so it doesn't break if rfc822 is reloaded.
|
|
class Message(mimetools.Message):
|
|
def __init__(self, fp, seekable=1):
|
|
Message = self.__class__
|
|
Message.__bases__[0].__bases__[0].__init__(self, fp, seekable)
|
|
self.encodingheader = self.getheader('content-transfer-encoding')
|
|
self.typeheader = self.getheader('content-type')
|
|
self.parsetype()
|
|
self.parseplist()
|
|
|
|
class DocHandler(BaseHTTPServer.BaseHTTPRequestHandler):
|
|
def send_document(self, title, contents):
|
|
try:
|
|
self.send_response(200)
|
|
self.send_header('Content-Type', 'text/html')
|
|
self.end_headers()
|
|
self.wfile.write(html.page(title, contents))
|
|
except IOError: pass
|
|
|
|
def do_GET(self):
|
|
path = self.path
|
|
if path[-5:] == '.html': path = path[:-5]
|
|
if path[:1] == '/': path = path[1:]
|
|
if path and path != '.':
|
|
try:
|
|
obj = locate(path, forceload=1)
|
|
except ErrorDuringImport, value:
|
|
self.send_document(path, html.escape(str(value)))
|
|
return
|
|
if obj:
|
|
self.send_document(describe(obj), html.document(obj, path))
|
|
else:
|
|
self.send_document(path,
|
|
'no Python documentation found for %s' % repr(path))
|
|
else:
|
|
heading = html.heading(
|
|
'<big><big><strong>Python: Index of Modules</strong></big></big>',
|
|
'#ffffff', '#7799ee')
|
|
def bltinlink(name):
|
|
return '<a href="%s.html">%s</a>' % (name, name)
|
|
names = filter(lambda x: x != '__main__',
|
|
sys.builtin_module_names)
|
|
contents = html.multicolumn(names, bltinlink)
|
|
indices = ['<p>' + html.bigsection(
|
|
'Built-in Modules', '#ffffff', '#ee77aa', contents)]
|
|
|
|
seen = {}
|
|
for dir in sys.path:
|
|
indices.append(html.index(dir, seen))
|
|
contents = heading + join(indices) + '''<p align=right>
|
|
<font color="#909090" face="helvetica, arial"><strong>
|
|
pydoc</strong> by Ka-Ping Yee <ping@lfw.org></font>'''
|
|
self.send_document('Index of Modules', contents)
|
|
|
|
def log_message(self, *args): pass
|
|
|
|
class DocServer(BaseHTTPServer.HTTPServer):
|
|
def __init__(self, port, callback):
|
|
host = 'localhost'
|
|
self.address = (host, port)
|
|
self.url = 'http://%s:%d/' % (host, port)
|
|
self.callback = callback
|
|
self.base.__init__(self, self.address, self.handler)
|
|
|
|
def serve_until_quit(self):
|
|
import select
|
|
self.quit = False
|
|
while not self.quit:
|
|
rd, wr, ex = select.select([self.socket.fileno()], [], [], 1)
|
|
if rd: self.handle_request()
|
|
|
|
def server_activate(self):
|
|
self.base.server_activate(self)
|
|
if self.callback: self.callback(self)
|
|
|
|
DocServer.base = BaseHTTPServer.HTTPServer
|
|
DocServer.handler = DocHandler
|
|
DocHandler.MessageClass = Message
|
|
try:
|
|
try:
|
|
DocServer(port, callback).serve_until_quit()
|
|
except (KeyboardInterrupt, select.error):
|
|
pass
|
|
finally:
|
|
if completer: completer()
|
|
|
|
# ----------------------------------------------------- graphical interface
|
|
|
|
def gui():
|
|
"""Graphical interface (starts web server and pops up a control window)."""
|
|
class GUI:
|
|
def __init__(self, window, port=7464):
|
|
self.window = window
|
|
self.server = None
|
|
self.scanner = None
|
|
|
|
import Tkinter
|
|
self.server_frm = Tkinter.Frame(window)
|
|
self.title_lbl = Tkinter.Label(self.server_frm,
|
|
text='Starting server...\n ')
|
|
self.open_btn = Tkinter.Button(self.server_frm,
|
|
text='open browser', command=self.open, state='disabled')
|
|
self.quit_btn = Tkinter.Button(self.server_frm,
|
|
text='quit serving', command=self.quit, state='disabled')
|
|
|
|
self.search_frm = Tkinter.Frame(window)
|
|
self.search_lbl = Tkinter.Label(self.search_frm, text='Search for')
|
|
self.search_ent = Tkinter.Entry(self.search_frm)
|
|
self.search_ent.bind('<Return>', self.search)
|
|
self.stop_btn = Tkinter.Button(self.search_frm,
|
|
text='stop', pady=0, command=self.stop, state='disabled')
|
|
if sys.platform == 'win32':
|
|
# Trying to hide and show this button crashes under Windows.
|
|
self.stop_btn.pack(side='right')
|
|
|
|
self.window.title('pydoc')
|
|
self.window.protocol('WM_DELETE_WINDOW', self.quit)
|
|
self.title_lbl.pack(side='top', fill='x')
|
|
self.open_btn.pack(side='left', fill='x', expand=1)
|
|
self.quit_btn.pack(side='right', fill='x', expand=1)
|
|
self.server_frm.pack(side='top', fill='x')
|
|
|
|
self.search_lbl.pack(side='left')
|
|
self.search_ent.pack(side='right', fill='x', expand=1)
|
|
self.search_frm.pack(side='top', fill='x')
|
|
self.search_ent.focus_set()
|
|
|
|
font = ('helvetica', sys.platform == 'win32' and 8 or 10)
|
|
self.result_lst = Tkinter.Listbox(window, font=font, height=6)
|
|
self.result_lst.bind('<Button-1>', self.select)
|
|
self.result_lst.bind('<Double-Button-1>', self.goto)
|
|
self.result_scr = Tkinter.Scrollbar(window,
|
|
orient='vertical', command=self.result_lst.yview)
|
|
self.result_lst.config(yscrollcommand=self.result_scr.set)
|
|
|
|
self.result_frm = Tkinter.Frame(window)
|
|
self.goto_btn = Tkinter.Button(self.result_frm,
|
|
text='go to selected', command=self.goto)
|
|
self.hide_btn = Tkinter.Button(self.result_frm,
|
|
text='hide results', command=self.hide)
|
|
self.goto_btn.pack(side='left', fill='x', expand=1)
|
|
self.hide_btn.pack(side='right', fill='x', expand=1)
|
|
|
|
self.window.update()
|
|
self.minwidth = self.window.winfo_width()
|
|
self.minheight = self.window.winfo_height()
|
|
self.bigminheight = (self.server_frm.winfo_reqheight() +
|
|
self.search_frm.winfo_reqheight() +
|
|
self.result_lst.winfo_reqheight() +
|
|
self.result_frm.winfo_reqheight())
|
|
self.bigwidth, self.bigheight = self.minwidth, self.bigminheight
|
|
self.expanded = 0
|
|
self.window.wm_geometry('%dx%d' % (self.minwidth, self.minheight))
|
|
self.window.wm_minsize(self.minwidth, self.minheight)
|
|
self.window.tk.willdispatch()
|
|
|
|
import threading
|
|
threading.Thread(
|
|
target=serve, args=(port, self.ready, self.quit)).start()
|
|
|
|
def ready(self, server):
|
|
self.server = server
|
|
self.title_lbl.config(
|
|
text='Python documentation server at\n' + server.url)
|
|
self.open_btn.config(state='normal')
|
|
self.quit_btn.config(state='normal')
|
|
|
|
def open(self, event=None, url=None):
|
|
url = url or self.server.url
|
|
try:
|
|
import webbrowser
|
|
webbrowser.open(url)
|
|
except ImportError: # pre-webbrowser.py compatibility
|
|
if sys.platform == 'win32':
|
|
os.system('start "%s"' % url)
|
|
else:
|
|
rc = os.system('netscape -remote "openURL(%s)" &' % url)
|
|
if rc: os.system('netscape "%s" &' % url)
|
|
|
|
def quit(self, event=None):
|
|
if self.server:
|
|
self.server.quit = 1
|
|
self.window.quit()
|
|
|
|
def search(self, event=None):
|
|
key = self.search_ent.get()
|
|
self.stop_btn.pack(side='right')
|
|
self.stop_btn.config(state='normal')
|
|
self.search_lbl.config(text='Searching for "%s"...' % key)
|
|
self.search_ent.forget()
|
|
self.search_lbl.pack(side='left')
|
|
self.result_lst.delete(0, 'end')
|
|
self.goto_btn.config(state='disabled')
|
|
self.expand()
|
|
|
|
import threading
|
|
if self.scanner:
|
|
self.scanner.quit = 1
|
|
self.scanner = ModuleScanner()
|
|
threading.Thread(target=self.scanner.run,
|
|
args=(self.update, key, self.done)).start()
|
|
|
|
def update(self, path, modname, desc):
|
|
if modname[-9:] == '.__init__':
|
|
modname = modname[:-9] + ' (package)'
|
|
self.result_lst.insert('end',
|
|
modname + ' - ' + (desc or '(no description)'))
|
|
|
|
def stop(self, event=None):
|
|
if self.scanner:
|
|
self.scanner.quit = 1
|
|
self.scanner = None
|
|
|
|
def done(self):
|
|
self.scanner = None
|
|
self.search_lbl.config(text='Search for')
|
|
self.search_lbl.pack(side='left')
|
|
self.search_ent.pack(side='right', fill='x', expand=1)
|
|
if sys.platform != 'win32': self.stop_btn.forget()
|
|
self.stop_btn.config(state='disabled')
|
|
|
|
def select(self, event=None):
|
|
self.goto_btn.config(state='normal')
|
|
|
|
def goto(self, event=None):
|
|
selection = self.result_lst.curselection()
|
|
if selection:
|
|
modname = split(self.result_lst.get(selection[0]))[0]
|
|
self.open(url=self.server.url + modname + '.html')
|
|
|
|
def collapse(self):
|
|
if not self.expanded: return
|
|
self.result_frm.forget()
|
|
self.result_scr.forget()
|
|
self.result_lst.forget()
|
|
self.bigwidth = self.window.winfo_width()
|
|
self.bigheight = self.window.winfo_height()
|
|
self.window.wm_geometry('%dx%d' % (self.minwidth, self.minheight))
|
|
self.window.wm_minsize(self.minwidth, self.minheight)
|
|
self.expanded = 0
|
|
|
|
def expand(self):
|
|
if self.expanded: return
|
|
self.result_frm.pack(side='bottom', fill='x')
|
|
self.result_scr.pack(side='right', fill='y')
|
|
self.result_lst.pack(side='top', fill='both', expand=1)
|
|
self.window.wm_geometry('%dx%d' % (self.bigwidth, self.bigheight))
|
|
self.window.wm_minsize(self.minwidth, self.bigminheight)
|
|
self.expanded = 1
|
|
|
|
def hide(self, event=None):
|
|
self.stop()
|
|
self.collapse()
|
|
|
|
import Tkinter
|
|
try:
|
|
root = Tkinter.Tk()
|
|
# Tk will crash if pythonw.exe has an XP .manifest
|
|
# file and the root has is not destroyed explicitly.
|
|
# If the problem is ever fixed in Tk, the explicit
|
|
# destroy can go.
|
|
try:
|
|
gui = GUI(root)
|
|
root.mainloop()
|
|
finally:
|
|
root.destroy()
|
|
except KeyboardInterrupt:
|
|
pass
|
|
|
|
# -------------------------------------------------- command-line interface
|
|
|
|
def ispath(x):
|
|
return isinstance(x, str) and find(x, os.sep) >= 0
|
|
|
|
def cli():
|
|
"""Command-line interface (looks at sys.argv to decide what to do)."""
|
|
import getopt
|
|
class BadUsage: pass
|
|
|
|
# Scripts don't get the current directory in their path by default
|
|
# unless they are run with the '-m' switch
|
|
if '' not in sys.path:
|
|
scriptdir = os.path.dirname(sys.argv[0])
|
|
if scriptdir in sys.path:
|
|
sys.path.remove(scriptdir)
|
|
sys.path.insert(0, '.')
|
|
|
|
try:
|
|
opts, args = getopt.getopt(sys.argv[1:], 'gk:p:w')
|
|
writing = 0
|
|
|
|
for opt, val in opts:
|
|
if opt == '-g':
|
|
gui()
|
|
return
|
|
if opt == '-k':
|
|
apropos(val)
|
|
return
|
|
if opt == '-p':
|
|
try:
|
|
port = int(val)
|
|
except ValueError:
|
|
raise BadUsage
|
|
def ready(server):
|
|
print 'pydoc server ready at %s' % server.url
|
|
def stopped():
|
|
print 'pydoc server stopped'
|
|
serve(port, ready, stopped)
|
|
return
|
|
if opt == '-w':
|
|
writing = 1
|
|
|
|
if not args: raise BadUsage
|
|
for arg in args:
|
|
if ispath(arg) and not os.path.exists(arg):
|
|
print 'file %r does not exist' % arg
|
|
break
|
|
try:
|
|
if ispath(arg) and os.path.isfile(arg):
|
|
arg = importfile(arg)
|
|
if writing:
|
|
if ispath(arg) and os.path.isdir(arg):
|
|
writedocs(arg)
|
|
else:
|
|
writedoc(arg)
|
|
else:
|
|
help.help(arg)
|
|
except ErrorDuringImport, value:
|
|
print value
|
|
|
|
except (getopt.error, BadUsage):
|
|
cmd = os.path.basename(sys.argv[0])
|
|
print """pydoc - the Python documentation tool
|
|
|
|
%s <name> ...
|
|
Show text documentation on something. <name> may be the name of a
|
|
Python keyword, topic, function, module, or package, or a dotted
|
|
reference to a class or function within a module or module in a
|
|
package. If <name> contains a '%s', it is used as the path to a
|
|
Python source file to document. If name is 'keywords', 'topics',
|
|
or 'modules', a listing of these things is displayed.
|
|
|
|
%s -k <keyword>
|
|
Search for a keyword in the synopsis lines of all available modules.
|
|
|
|
%s -p <port>
|
|
Start an HTTP server on the given port on the local machine.
|
|
|
|
%s -g
|
|
Pop up a graphical interface for finding and serving documentation.
|
|
|
|
%s -w <name> ...
|
|
Write out the HTML documentation for a module to a file in the current
|
|
directory. If <name> contains a '%s', it is treated as a filename; if
|
|
it names a directory, documentation is written for all the contents.
|
|
""" % (cmd, os.sep, cmd, cmd, cmd, cmd, os.sep)
|
|
|
|
if __name__ == '__main__': cli()
|