AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
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
This commit is contained in:
darylm503
671
AppPkg/Applications/Python/Python-2.7.2/Lib/modulefinder.py
Normal file
671
AppPkg/Applications/Python/Python-2.7.2/Lib/modulefinder.py
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@ -0,0 +1,671 @@
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"""Find modules used by a script, using introspection."""
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# This module should be kept compatible with Python 2.2, see PEP 291.
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from __future__ import generators
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import dis
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import imp
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import marshal
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import os
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import sys
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import types
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import struct
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if hasattr(sys.__stdout__, "newlines"):
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READ_MODE = "U" # universal line endings
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else:
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# remain compatible with Python < 2.3
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READ_MODE = "r"
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LOAD_CONST = chr(dis.opname.index('LOAD_CONST'))
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IMPORT_NAME = chr(dis.opname.index('IMPORT_NAME'))
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STORE_NAME = chr(dis.opname.index('STORE_NAME'))
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STORE_GLOBAL = chr(dis.opname.index('STORE_GLOBAL'))
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STORE_OPS = [STORE_NAME, STORE_GLOBAL]
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HAVE_ARGUMENT = chr(dis.HAVE_ARGUMENT)
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# Modulefinder does a good job at simulating Python's, but it can not
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# handle __path__ modifications packages make at runtime. Therefore there
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# is a mechanism whereby you can register extra paths in this map for a
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# package, and it will be honored.
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# Note this is a mapping is lists of paths.
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packagePathMap = {}
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# A Public interface
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def AddPackagePath(packagename, path):
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paths = packagePathMap.get(packagename, [])
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paths.append(path)
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packagePathMap[packagename] = paths
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replacePackageMap = {}
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# This ReplacePackage mechanism allows modulefinder to work around the
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# way the _xmlplus package injects itself under the name "xml" into
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# sys.modules at runtime by calling ReplacePackage("_xmlplus", "xml")
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# before running ModuleFinder.
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def ReplacePackage(oldname, newname):
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replacePackageMap[oldname] = newname
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class Module:
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def __init__(self, name, file=None, path=None):
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self.__name__ = name
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self.__file__ = file
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self.__path__ = path
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self.__code__ = None
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# The set of global names that are assigned to in the module.
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# This includes those names imported through starimports of
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# Python modules.
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self.globalnames = {}
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# The set of starimports this module did that could not be
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# resolved, ie. a starimport from a non-Python module.
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self.starimports = {}
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def __repr__(self):
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s = "Module(%r" % (self.__name__,)
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if self.__file__ is not None:
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s = s + ", %r" % (self.__file__,)
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if self.__path__ is not None:
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s = s + ", %r" % (self.__path__,)
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s = s + ")"
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return s
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class ModuleFinder:
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def __init__(self, path=None, debug=0, excludes=[], replace_paths=[]):
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if path is None:
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path = sys.path
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self.path = path
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self.modules = {}
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self.badmodules = {}
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self.debug = debug
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self.indent = 0
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self.excludes = excludes
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self.replace_paths = replace_paths
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self.processed_paths = [] # Used in debugging only
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def msg(self, level, str, *args):
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if level <= self.debug:
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for i in range(self.indent):
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print " ",
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print str,
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for arg in args:
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print repr(arg),
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print
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def msgin(self, *args):
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level = args[0]
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if level <= self.debug:
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self.indent = self.indent + 1
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self.msg(*args)
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def msgout(self, *args):
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level = args[0]
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if level <= self.debug:
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self.indent = self.indent - 1
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self.msg(*args)
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def run_script(self, pathname):
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self.msg(2, "run_script", pathname)
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fp = open(pathname, READ_MODE)
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stuff = ("", "r", imp.PY_SOURCE)
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self.load_module('__main__', fp, pathname, stuff)
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def load_file(self, pathname):
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dir, name = os.path.split(pathname)
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name, ext = os.path.splitext(name)
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fp = open(pathname, READ_MODE)
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stuff = (ext, "r", imp.PY_SOURCE)
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self.load_module(name, fp, pathname, stuff)
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def import_hook(self, name, caller=None, fromlist=None, level=-1):
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self.msg(3, "import_hook", name, caller, fromlist, level)
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parent = self.determine_parent(caller, level=level)
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q, tail = self.find_head_package(parent, name)
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m = self.load_tail(q, tail)
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if not fromlist:
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return q
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if m.__path__:
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self.ensure_fromlist(m, fromlist)
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return None
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def determine_parent(self, caller, level=-1):
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self.msgin(4, "determine_parent", caller, level)
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if not caller or level == 0:
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self.msgout(4, "determine_parent -> None")
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return None
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pname = caller.__name__
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if level >= 1: # relative import
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if caller.__path__:
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level -= 1
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if level == 0:
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parent = self.modules[pname]
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assert parent is caller
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self.msgout(4, "determine_parent ->", parent)
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return parent
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if pname.count(".") < level:
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raise ImportError, "relative importpath too deep"
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pname = ".".join(pname.split(".")[:-level])
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parent = self.modules[pname]
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self.msgout(4, "determine_parent ->", parent)
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return parent
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if caller.__path__:
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parent = self.modules[pname]
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assert caller is parent
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self.msgout(4, "determine_parent ->", parent)
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return parent
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if '.' in pname:
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i = pname.rfind('.')
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pname = pname[:i]
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parent = self.modules[pname]
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assert parent.__name__ == pname
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self.msgout(4, "determine_parent ->", parent)
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return parent
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self.msgout(4, "determine_parent -> None")
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return None
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def find_head_package(self, parent, name):
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self.msgin(4, "find_head_package", parent, name)
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if '.' in name:
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i = name.find('.')
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head = name[:i]
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tail = name[i+1:]
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else:
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head = name
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tail = ""
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if parent:
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qname = "%s.%s" % (parent.__name__, head)
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else:
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qname = head
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q = self.import_module(head, qname, parent)
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if q:
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self.msgout(4, "find_head_package ->", (q, tail))
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return q, tail
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if parent:
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qname = head
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parent = None
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q = self.import_module(head, qname, parent)
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if q:
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self.msgout(4, "find_head_package ->", (q, tail))
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return q, tail
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self.msgout(4, "raise ImportError: No module named", qname)
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raise ImportError, "No module named " + qname
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def load_tail(self, q, tail):
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self.msgin(4, "load_tail", q, tail)
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m = q
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while tail:
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i = tail.find('.')
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if i < 0: i = len(tail)
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head, tail = tail[:i], tail[i+1:]
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mname = "%s.%s" % (m.__name__, head)
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m = self.import_module(head, mname, m)
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if not m:
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self.msgout(4, "raise ImportError: No module named", mname)
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raise ImportError, "No module named " + mname
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self.msgout(4, "load_tail ->", m)
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return m
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def ensure_fromlist(self, m, fromlist, recursive=0):
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self.msg(4, "ensure_fromlist", m, fromlist, recursive)
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for sub in fromlist:
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if sub == "*":
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if not recursive:
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all = self.find_all_submodules(m)
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if all:
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self.ensure_fromlist(m, all, 1)
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elif not hasattr(m, sub):
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subname = "%s.%s" % (m.__name__, sub)
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submod = self.import_module(sub, subname, m)
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if not submod:
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raise ImportError, "No module named " + subname
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def find_all_submodules(self, m):
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if not m.__path__:
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return
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modules = {}
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# 'suffixes' used to be a list hardcoded to [".py", ".pyc", ".pyo"].
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# But we must also collect Python extension modules - although
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# we cannot separate normal dlls from Python extensions.
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suffixes = []
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for triple in imp.get_suffixes():
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suffixes.append(triple[0])
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for dir in m.__path__:
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try:
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names = os.listdir(dir)
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except os.error:
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self.msg(2, "can't list directory", dir)
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continue
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for name in names:
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mod = None
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for suff in suffixes:
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n = len(suff)
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if name[-n:] == suff:
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mod = name[:-n]
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break
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if mod and mod != "__init__":
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modules[mod] = mod
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return modules.keys()
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def import_module(self, partname, fqname, parent):
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self.msgin(3, "import_module", partname, fqname, parent)
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try:
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m = self.modules[fqname]
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except KeyError:
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pass
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else:
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self.msgout(3, "import_module ->", m)
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return m
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if fqname in self.badmodules:
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self.msgout(3, "import_module -> None")
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return None
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if parent and parent.__path__ is None:
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self.msgout(3, "import_module -> None")
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return None
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try:
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fp, pathname, stuff = self.find_module(partname,
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parent and parent.__path__, parent)
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except ImportError:
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self.msgout(3, "import_module ->", None)
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return None
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try:
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m = self.load_module(fqname, fp, pathname, stuff)
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finally:
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if fp: fp.close()
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if parent:
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setattr(parent, partname, m)
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self.msgout(3, "import_module ->", m)
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return m
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def load_module(self, fqname, fp, pathname, file_info):
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suffix, mode, type = file_info
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self.msgin(2, "load_module", fqname, fp and "fp", pathname)
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if type == imp.PKG_DIRECTORY:
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m = self.load_package(fqname, pathname)
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self.msgout(2, "load_module ->", m)
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return m
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if type == imp.PY_SOURCE:
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co = compile(fp.read()+'\n', pathname, 'exec')
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elif type == imp.PY_COMPILED:
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if fp.read(4) != imp.get_magic():
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self.msgout(2, "raise ImportError: Bad magic number", pathname)
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raise ImportError, "Bad magic number in %s" % pathname
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fp.read(4)
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co = marshal.load(fp)
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else:
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co = None
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m = self.add_module(fqname)
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m.__file__ = pathname
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if co:
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if self.replace_paths:
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co = self.replace_paths_in_code(co)
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m.__code__ = co
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||||
self.scan_code(co, m)
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self.msgout(2, "load_module ->", m)
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return m
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def _add_badmodule(self, name, caller):
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||||
if name not in self.badmodules:
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self.badmodules[name] = {}
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||||
if caller:
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||||
self.badmodules[name][caller.__name__] = 1
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||||
else:
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||||
self.badmodules[name]["-"] = 1
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def _safe_import_hook(self, name, caller, fromlist, level=-1):
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||||
# wrapper for self.import_hook() that won't raise ImportError
|
||||
if name in self.badmodules:
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||||
self._add_badmodule(name, caller)
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||||
return
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||||
try:
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||||
self.import_hook(name, caller, level=level)
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||||
except ImportError, msg:
|
||||
self.msg(2, "ImportError:", str(msg))
|
||||
self._add_badmodule(name, caller)
|
||||
else:
|
||||
if fromlist:
|
||||
for sub in fromlist:
|
||||
if sub in self.badmodules:
|
||||
self._add_badmodule(sub, caller)
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||||
continue
|
||||
try:
|
||||
self.import_hook(name, caller, [sub], level=level)
|
||||
except ImportError, msg:
|
||||
self.msg(2, "ImportError:", str(msg))
|
||||
fullname = name + "." + sub
|
||||
self._add_badmodule(fullname, caller)
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||||
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||||
def scan_opcodes(self, co,
|
||||
unpack = struct.unpack):
|
||||
# Scan the code, and yield 'interesting' opcode combinations
|
||||
# Version for Python 2.4 and older
|
||||
code = co.co_code
|
||||
names = co.co_names
|
||||
consts = co.co_consts
|
||||
while code:
|
||||
c = code[0]
|
||||
if c in STORE_OPS:
|
||||
oparg, = unpack('<H', code[1:3])
|
||||
yield "store", (names[oparg],)
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||||
code = code[3:]
|
||||
continue
|
||||
if c == LOAD_CONST and code[3] == IMPORT_NAME:
|
||||
oparg_1, oparg_2 = unpack('<xHxH', code[:6])
|
||||
yield "import", (consts[oparg_1], names[oparg_2])
|
||||
code = code[6:]
|
||||
continue
|
||||
if c >= HAVE_ARGUMENT:
|
||||
code = code[3:]
|
||||
else:
|
||||
code = code[1:]
|
||||
|
||||
def scan_opcodes_25(self, co,
|
||||
unpack = struct.unpack):
|
||||
# Scan the code, and yield 'interesting' opcode combinations
|
||||
# Python 2.5 version (has absolute and relative imports)
|
||||
code = co.co_code
|
||||
names = co.co_names
|
||||
consts = co.co_consts
|
||||
LOAD_LOAD_AND_IMPORT = LOAD_CONST + LOAD_CONST + IMPORT_NAME
|
||||
while code:
|
||||
c = code[0]
|
||||
if c in STORE_OPS:
|
||||
oparg, = unpack('<H', code[1:3])
|
||||
yield "store", (names[oparg],)
|
||||
code = code[3:]
|
||||
continue
|
||||
if code[:9:3] == LOAD_LOAD_AND_IMPORT:
|
||||
oparg_1, oparg_2, oparg_3 = unpack('<xHxHxH', code[:9])
|
||||
level = consts[oparg_1]
|
||||
if level == -1: # normal import
|
||||
yield "import", (consts[oparg_2], names[oparg_3])
|
||||
elif level == 0: # absolute import
|
||||
yield "absolute_import", (consts[oparg_2], names[oparg_3])
|
||||
else: # relative import
|
||||
yield "relative_import", (level, consts[oparg_2], names[oparg_3])
|
||||
code = code[9:]
|
||||
continue
|
||||
if c >= HAVE_ARGUMENT:
|
||||
code = code[3:]
|
||||
else:
|
||||
code = code[1:]
|
||||
|
||||
def scan_code(self, co, m):
|
||||
code = co.co_code
|
||||
if sys.version_info >= (2, 5):
|
||||
scanner = self.scan_opcodes_25
|
||||
else:
|
||||
scanner = self.scan_opcodes
|
||||
for what, args in scanner(co):
|
||||
if what == "store":
|
||||
name, = args
|
||||
m.globalnames[name] = 1
|
||||
elif what in ("import", "absolute_import"):
|
||||
fromlist, name = args
|
||||
have_star = 0
|
||||
if fromlist is not None:
|
||||
if "*" in fromlist:
|
||||
have_star = 1
|
||||
fromlist = [f for f in fromlist if f != "*"]
|
||||
if what == "absolute_import": level = 0
|
||||
else: level = -1
|
||||
self._safe_import_hook(name, m, fromlist, level=level)
|
||||
if have_star:
|
||||
# We've encountered an "import *". If it is a Python module,
|
||||
# the code has already been parsed and we can suck out the
|
||||
# global names.
|
||||
mm = None
|
||||
if m.__path__:
|
||||
# At this point we don't know whether 'name' is a
|
||||
# submodule of 'm' or a global module. Let's just try
|
||||
# the full name first.
|
||||
mm = self.modules.get(m.__name__ + "." + name)
|
||||
if mm is None:
|
||||
mm = self.modules.get(name)
|
||||
if mm is not None:
|
||||
m.globalnames.update(mm.globalnames)
|
||||
m.starimports.update(mm.starimports)
|
||||
if mm.__code__ is None:
|
||||
m.starimports[name] = 1
|
||||
else:
|
||||
m.starimports[name] = 1
|
||||
elif what == "relative_import":
|
||||
level, fromlist, name = args
|
||||
if name:
|
||||
self._safe_import_hook(name, m, fromlist, level=level)
|
||||
else:
|
||||
parent = self.determine_parent(m, level=level)
|
||||
self._safe_import_hook(parent.__name__, None, fromlist, level=0)
|
||||
else:
|
||||
# We don't expect anything else from the generator.
|
||||
raise RuntimeError(what)
|
||||
|
||||
for c in co.co_consts:
|
||||
if isinstance(c, type(co)):
|
||||
self.scan_code(c, m)
|
||||
|
||||
def load_package(self, fqname, pathname):
|
||||
self.msgin(2, "load_package", fqname, pathname)
|
||||
newname = replacePackageMap.get(fqname)
|
||||
if newname:
|
||||
fqname = newname
|
||||
m = self.add_module(fqname)
|
||||
m.__file__ = pathname
|
||||
m.__path__ = [pathname]
|
||||
|
||||
# As per comment at top of file, simulate runtime __path__ additions.
|
||||
m.__path__ = m.__path__ + packagePathMap.get(fqname, [])
|
||||
|
||||
fp, buf, stuff = self.find_module("__init__", m.__path__)
|
||||
self.load_module(fqname, fp, buf, stuff)
|
||||
self.msgout(2, "load_package ->", m)
|
||||
return m
|
||||
|
||||
def add_module(self, fqname):
|
||||
if fqname in self.modules:
|
||||
return self.modules[fqname]
|
||||
self.modules[fqname] = m = Module(fqname)
|
||||
return m
|
||||
|
||||
def find_module(self, name, path, parent=None):
|
||||
if parent is not None:
|
||||
# assert path is not None
|
||||
fullname = parent.__name__+'.'+name
|
||||
else:
|
||||
fullname = name
|
||||
if fullname in self.excludes:
|
||||
self.msgout(3, "find_module -> Excluded", fullname)
|
||||
raise ImportError, name
|
||||
|
||||
if path is None:
|
||||
if name in sys.builtin_module_names:
|
||||
return (None, None, ("", "", imp.C_BUILTIN))
|
||||
|
||||
path = self.path
|
||||
return imp.find_module(name, path)
|
||||
|
||||
def report(self):
|
||||
"""Print a report to stdout, listing the found modules with their
|
||||
paths, as well as modules that are missing, or seem to be missing.
|
||||
"""
|
||||
print
|
||||
print " %-25s %s" % ("Name", "File")
|
||||
print " %-25s %s" % ("----", "----")
|
||||
# Print modules found
|
||||
keys = self.modules.keys()
|
||||
keys.sort()
|
||||
for key in keys:
|
||||
m = self.modules[key]
|
||||
if m.__path__:
|
||||
print "P",
|
||||
else:
|
||||
print "m",
|
||||
print "%-25s" % key, m.__file__ or ""
|
||||
|
||||
# Print missing modules
|
||||
missing, maybe = self.any_missing_maybe()
|
||||
if missing:
|
||||
print
|
||||
print "Missing modules:"
|
||||
for name in missing:
|
||||
mods = self.badmodules[name].keys()
|
||||
mods.sort()
|
||||
print "?", name, "imported from", ', '.join(mods)
|
||||
# Print modules that may be missing, but then again, maybe not...
|
||||
if maybe:
|
||||
print
|
||||
print "Submodules thay appear to be missing, but could also be",
|
||||
print "global names in the parent package:"
|
||||
for name in maybe:
|
||||
mods = self.badmodules[name].keys()
|
||||
mods.sort()
|
||||
print "?", name, "imported from", ', '.join(mods)
|
||||
|
||||
def any_missing(self):
|
||||
"""Return a list of modules that appear to be missing. Use
|
||||
any_missing_maybe() if you want to know which modules are
|
||||
certain to be missing, and which *may* be missing.
|
||||
"""
|
||||
missing, maybe = self.any_missing_maybe()
|
||||
return missing + maybe
|
||||
|
||||
def any_missing_maybe(self):
|
||||
"""Return two lists, one with modules that are certainly missing
|
||||
and one with modules that *may* be missing. The latter names could
|
||||
either be submodules *or* just global names in the package.
|
||||
|
||||
The reason it can't always be determined is that it's impossible to
|
||||
tell which names are imported when "from module import *" is done
|
||||
with an extension module, short of actually importing it.
|
||||
"""
|
||||
missing = []
|
||||
maybe = []
|
||||
for name in self.badmodules:
|
||||
if name in self.excludes:
|
||||
continue
|
||||
i = name.rfind(".")
|
||||
if i < 0:
|
||||
missing.append(name)
|
||||
continue
|
||||
subname = name[i+1:]
|
||||
pkgname = name[:i]
|
||||
pkg = self.modules.get(pkgname)
|
||||
if pkg is not None:
|
||||
if pkgname in self.badmodules[name]:
|
||||
# The package tried to import this module itself and
|
||||
# failed. It's definitely missing.
|
||||
missing.append(name)
|
||||
elif subname in pkg.globalnames:
|
||||
# It's a global in the package: definitely not missing.
|
||||
pass
|
||||
elif pkg.starimports:
|
||||
# It could be missing, but the package did an "import *"
|
||||
# from a non-Python module, so we simply can't be sure.
|
||||
maybe.append(name)
|
||||
else:
|
||||
# It's not a global in the package, the package didn't
|
||||
# do funny star imports, it's very likely to be missing.
|
||||
# The symbol could be inserted into the package from the
|
||||
# outside, but since that's not good style we simply list
|
||||
# it missing.
|
||||
missing.append(name)
|
||||
else:
|
||||
missing.append(name)
|
||||
missing.sort()
|
||||
maybe.sort()
|
||||
return missing, maybe
|
||||
|
||||
def replace_paths_in_code(self, co):
|
||||
new_filename = original_filename = os.path.normpath(co.co_filename)
|
||||
for f, r in self.replace_paths:
|
||||
if original_filename.startswith(f):
|
||||
new_filename = r + original_filename[len(f):]
|
||||
break
|
||||
|
||||
if self.debug and original_filename not in self.processed_paths:
|
||||
if new_filename != original_filename:
|
||||
self.msgout(2, "co_filename %r changed to %r" \
|
||||
% (original_filename,new_filename,))
|
||||
else:
|
||||
self.msgout(2, "co_filename %r remains unchanged" \
|
||||
% (original_filename,))
|
||||
self.processed_paths.append(original_filename)
|
||||
|
||||
consts = list(co.co_consts)
|
||||
for i in range(len(consts)):
|
||||
if isinstance(consts[i], type(co)):
|
||||
consts[i] = self.replace_paths_in_code(consts[i])
|
||||
|
||||
return types.CodeType(co.co_argcount, co.co_nlocals, co.co_stacksize,
|
||||
co.co_flags, co.co_code, tuple(consts), co.co_names,
|
||||
co.co_varnames, new_filename, co.co_name,
|
||||
co.co_firstlineno, co.co_lnotab,
|
||||
co.co_freevars, co.co_cellvars)
|
||||
|
||||
|
||||
def test():
|
||||
# Parse command line
|
||||
import getopt
|
||||
try:
|
||||
opts, args = getopt.getopt(sys.argv[1:], "dmp:qx:")
|
||||
except getopt.error, msg:
|
||||
print msg
|
||||
return
|
||||
|
||||
# Process options
|
||||
debug = 1
|
||||
domods = 0
|
||||
addpath = []
|
||||
exclude = []
|
||||
for o, a in opts:
|
||||
if o == '-d':
|
||||
debug = debug + 1
|
||||
if o == '-m':
|
||||
domods = 1
|
||||
if o == '-p':
|
||||
addpath = addpath + a.split(os.pathsep)
|
||||
if o == '-q':
|
||||
debug = 0
|
||||
if o == '-x':
|
||||
exclude.append(a)
|
||||
|
||||
# Provide default arguments
|
||||
if not args:
|
||||
script = "hello.py"
|
||||
else:
|
||||
script = args[0]
|
||||
|
||||
# Set the path based on sys.path and the script directory
|
||||
path = sys.path[:]
|
||||
path[0] = os.path.dirname(script)
|
||||
path = addpath + path
|
||||
if debug > 1:
|
||||
print "path:"
|
||||
for item in path:
|
||||
print " ", repr(item)
|
||||
|
||||
# Create the module finder and turn its crank
|
||||
mf = ModuleFinder(path, debug, exclude)
|
||||
for arg in args[1:]:
|
||||
if arg == '-m':
|
||||
domods = 1
|
||||
continue
|
||||
if domods:
|
||||
if arg[-2:] == '.*':
|
||||
mf.import_hook(arg[:-2], None, ["*"])
|
||||
else:
|
||||
mf.import_hook(arg)
|
||||
else:
|
||||
mf.load_file(arg)
|
||||
mf.run_script(script)
|
||||
mf.report()
|
||||
return mf # for -i debugging
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
try:
|
||||
mf = test()
|
||||
except KeyboardInterrupt:
|
||||
print "\n[interrupt]"
|
||||
Reference in New Issue
Block a user