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
		
			
				
	
	
		
			672 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			672 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """Find modules used by a script, using introspection."""
 | |
| # This module should be kept compatible with Python 2.2, see PEP 291.
 | |
| 
 | |
| from __future__ import generators
 | |
| import dis
 | |
| import imp
 | |
| import marshal
 | |
| import os
 | |
| import sys
 | |
| import types
 | |
| import struct
 | |
| 
 | |
| if hasattr(sys.__stdout__, "newlines"):
 | |
|     READ_MODE = "U"  # universal line endings
 | |
| else:
 | |
|     # remain compatible with Python  < 2.3
 | |
|     READ_MODE = "r"
 | |
| 
 | |
| LOAD_CONST = chr(dis.opname.index('LOAD_CONST'))
 | |
| IMPORT_NAME = chr(dis.opname.index('IMPORT_NAME'))
 | |
| STORE_NAME = chr(dis.opname.index('STORE_NAME'))
 | |
| STORE_GLOBAL = chr(dis.opname.index('STORE_GLOBAL'))
 | |
| STORE_OPS = [STORE_NAME, STORE_GLOBAL]
 | |
| HAVE_ARGUMENT = chr(dis.HAVE_ARGUMENT)
 | |
| 
 | |
| # Modulefinder does a good job at simulating Python's, but it can not
 | |
| # handle __path__ modifications packages make at runtime.  Therefore there
 | |
| # is a mechanism whereby you can register extra paths in this map for a
 | |
| # package, and it will be honored.
 | |
| 
 | |
| # Note this is a mapping is lists of paths.
 | |
| packagePathMap = {}
 | |
| 
 | |
| # A Public interface
 | |
| def AddPackagePath(packagename, path):
 | |
|     paths = packagePathMap.get(packagename, [])
 | |
|     paths.append(path)
 | |
|     packagePathMap[packagename] = paths
 | |
| 
 | |
| replacePackageMap = {}
 | |
| 
 | |
| # This ReplacePackage mechanism allows modulefinder to work around the
 | |
| # way the _xmlplus package injects itself under the name "xml" into
 | |
| # sys.modules at runtime by calling ReplacePackage("_xmlplus", "xml")
 | |
| # before running ModuleFinder.
 | |
| 
 | |
| def ReplacePackage(oldname, newname):
 | |
|     replacePackageMap[oldname] = newname
 | |
| 
 | |
| 
 | |
| class Module:
 | |
| 
 | |
|     def __init__(self, name, file=None, path=None):
 | |
|         self.__name__ = name
 | |
|         self.__file__ = file
 | |
|         self.__path__ = path
 | |
|         self.__code__ = None
 | |
|         # The set of global names that are assigned to in the module.
 | |
|         # This includes those names imported through starimports of
 | |
|         # Python modules.
 | |
|         self.globalnames = {}
 | |
|         # The set of starimports this module did that could not be
 | |
|         # resolved, ie. a starimport from a non-Python module.
 | |
|         self.starimports = {}
 | |
| 
 | |
|     def __repr__(self):
 | |
|         s = "Module(%r" % (self.__name__,)
 | |
|         if self.__file__ is not None:
 | |
|             s = s + ", %r" % (self.__file__,)
 | |
|         if self.__path__ is not None:
 | |
|             s = s + ", %r" % (self.__path__,)
 | |
|         s = s + ")"
 | |
|         return s
 | |
| 
 | |
| class ModuleFinder:
 | |
| 
 | |
|     def __init__(self, path=None, debug=0, excludes=[], replace_paths=[]):
 | |
|         if path is None:
 | |
|             path = sys.path
 | |
|         self.path = path
 | |
|         self.modules = {}
 | |
|         self.badmodules = {}
 | |
|         self.debug = debug
 | |
|         self.indent = 0
 | |
|         self.excludes = excludes
 | |
|         self.replace_paths = replace_paths
 | |
|         self.processed_paths = []   # Used in debugging only
 | |
| 
 | |
|     def msg(self, level, str, *args):
 | |
|         if level <= self.debug:
 | |
|             for i in range(self.indent):
 | |
|                 print "   ",
 | |
|             print str,
 | |
|             for arg in args:
 | |
|                 print repr(arg),
 | |
|             print
 | |
| 
 | |
|     def msgin(self, *args):
 | |
|         level = args[0]
 | |
|         if level <= self.debug:
 | |
|             self.indent = self.indent + 1
 | |
|             self.msg(*args)
 | |
| 
 | |
|     def msgout(self, *args):
 | |
|         level = args[0]
 | |
|         if level <= self.debug:
 | |
|             self.indent = self.indent - 1
 | |
|             self.msg(*args)
 | |
| 
 | |
|     def run_script(self, pathname):
 | |
|         self.msg(2, "run_script", pathname)
 | |
|         fp = open(pathname, READ_MODE)
 | |
|         stuff = ("", "r", imp.PY_SOURCE)
 | |
|         self.load_module('__main__', fp, pathname, stuff)
 | |
| 
 | |
|     def load_file(self, pathname):
 | |
|         dir, name = os.path.split(pathname)
 | |
|         name, ext = os.path.splitext(name)
 | |
|         fp = open(pathname, READ_MODE)
 | |
|         stuff = (ext, "r", imp.PY_SOURCE)
 | |
|         self.load_module(name, fp, pathname, stuff)
 | |
| 
 | |
|     def import_hook(self, name, caller=None, fromlist=None, level=-1):
 | |
|         self.msg(3, "import_hook", name, caller, fromlist, level)
 | |
|         parent = self.determine_parent(caller, level=level)
 | |
|         q, tail = self.find_head_package(parent, name)
 | |
|         m = self.load_tail(q, tail)
 | |
|         if not fromlist:
 | |
|             return q
 | |
|         if m.__path__:
 | |
|             self.ensure_fromlist(m, fromlist)
 | |
|         return None
 | |
| 
 | |
|     def determine_parent(self, caller, level=-1):
 | |
|         self.msgin(4, "determine_parent", caller, level)
 | |
|         if not caller or level == 0:
 | |
|             self.msgout(4, "determine_parent -> None")
 | |
|             return None
 | |
|         pname = caller.__name__
 | |
|         if level >= 1: # relative import
 | |
|             if caller.__path__:
 | |
|                 level -= 1
 | |
|             if level == 0:
 | |
|                 parent = self.modules[pname]
 | |
|                 assert parent is caller
 | |
|                 self.msgout(4, "determine_parent ->", parent)
 | |
|                 return parent
 | |
|             if pname.count(".") < level:
 | |
|                 raise ImportError, "relative importpath too deep"
 | |
|             pname = ".".join(pname.split(".")[:-level])
 | |
|             parent = self.modules[pname]
 | |
|             self.msgout(4, "determine_parent ->", parent)
 | |
|             return parent
 | |
|         if caller.__path__:
 | |
|             parent = self.modules[pname]
 | |
|             assert caller is parent
 | |
|             self.msgout(4, "determine_parent ->", parent)
 | |
|             return parent
 | |
|         if '.' in pname:
 | |
|             i = pname.rfind('.')
 | |
|             pname = pname[:i]
 | |
|             parent = self.modules[pname]
 | |
|             assert parent.__name__ == pname
 | |
|             self.msgout(4, "determine_parent ->", parent)
 | |
|             return parent
 | |
|         self.msgout(4, "determine_parent -> None")
 | |
|         return None
 | |
| 
 | |
|     def find_head_package(self, parent, name):
 | |
|         self.msgin(4, "find_head_package", parent, name)
 | |
|         if '.' in name:
 | |
|             i = name.find('.')
 | |
|             head = name[:i]
 | |
|             tail = name[i+1:]
 | |
|         else:
 | |
|             head = name
 | |
|             tail = ""
 | |
|         if parent:
 | |
|             qname = "%s.%s" % (parent.__name__, head)
 | |
|         else:
 | |
|             qname = head
 | |
|         q = self.import_module(head, qname, parent)
 | |
|         if q:
 | |
|             self.msgout(4, "find_head_package ->", (q, tail))
 | |
|             return q, tail
 | |
|         if parent:
 | |
|             qname = head
 | |
|             parent = None
 | |
|             q = self.import_module(head, qname, parent)
 | |
|             if q:
 | |
|                 self.msgout(4, "find_head_package ->", (q, tail))
 | |
|                 return q, tail
 | |
|         self.msgout(4, "raise ImportError: No module named", qname)
 | |
|         raise ImportError, "No module named " + qname
 | |
| 
 | |
|     def load_tail(self, q, tail):
 | |
|         self.msgin(4, "load_tail", q, tail)
 | |
|         m = q
 | |
|         while tail:
 | |
|             i = tail.find('.')
 | |
|             if i < 0: i = len(tail)
 | |
|             head, tail = tail[:i], tail[i+1:]
 | |
|             mname = "%s.%s" % (m.__name__, head)
 | |
|             m = self.import_module(head, mname, m)
 | |
|             if not m:
 | |
|                 self.msgout(4, "raise ImportError: No module named", mname)
 | |
|                 raise ImportError, "No module named " + mname
 | |
|         self.msgout(4, "load_tail ->", m)
 | |
|         return m
 | |
| 
 | |
|     def ensure_fromlist(self, m, fromlist, recursive=0):
 | |
|         self.msg(4, "ensure_fromlist", m, fromlist, recursive)
 | |
|         for sub in fromlist:
 | |
|             if sub == "*":
 | |
|                 if not recursive:
 | |
|                     all = self.find_all_submodules(m)
 | |
|                     if all:
 | |
|                         self.ensure_fromlist(m, all, 1)
 | |
|             elif not hasattr(m, sub):
 | |
|                 subname = "%s.%s" % (m.__name__, sub)
 | |
|                 submod = self.import_module(sub, subname, m)
 | |
|                 if not submod:
 | |
|                     raise ImportError, "No module named " + subname
 | |
| 
 | |
|     def find_all_submodules(self, m):
 | |
|         if not m.__path__:
 | |
|             return
 | |
|         modules = {}
 | |
|         # 'suffixes' used to be a list hardcoded to [".py", ".pyc", ".pyo"].
 | |
|         # But we must also collect Python extension modules - although
 | |
|         # we cannot separate normal dlls from Python extensions.
 | |
|         suffixes = []
 | |
|         for triple in imp.get_suffixes():
 | |
|             suffixes.append(triple[0])
 | |
|         for dir in m.__path__:
 | |
|             try:
 | |
|                 names = os.listdir(dir)
 | |
|             except os.error:
 | |
|                 self.msg(2, "can't list directory", dir)
 | |
|                 continue
 | |
|             for name in names:
 | |
|                 mod = None
 | |
|                 for suff in suffixes:
 | |
|                     n = len(suff)
 | |
|                     if name[-n:] == suff:
 | |
|                         mod = name[:-n]
 | |
|                         break
 | |
|                 if mod and mod != "__init__":
 | |
|                     modules[mod] = mod
 | |
|         return modules.keys()
 | |
| 
 | |
|     def import_module(self, partname, fqname, parent):
 | |
|         self.msgin(3, "import_module", partname, fqname, parent)
 | |
|         try:
 | |
|             m = self.modules[fqname]
 | |
|         except KeyError:
 | |
|             pass
 | |
|         else:
 | |
|             self.msgout(3, "import_module ->", m)
 | |
|             return m
 | |
|         if fqname in self.badmodules:
 | |
|             self.msgout(3, "import_module -> None")
 | |
|             return None
 | |
|         if parent and parent.__path__ is None:
 | |
|             self.msgout(3, "import_module -> None")
 | |
|             return None
 | |
|         try:
 | |
|             fp, pathname, stuff = self.find_module(partname,
 | |
|                                                    parent and parent.__path__, parent)
 | |
|         except ImportError:
 | |
|             self.msgout(3, "import_module ->", None)
 | |
|             return None
 | |
|         try:
 | |
|             m = self.load_module(fqname, fp, pathname, stuff)
 | |
|         finally:
 | |
|             if fp: fp.close()
 | |
|         if parent:
 | |
|             setattr(parent, partname, m)
 | |
|         self.msgout(3, "import_module ->", m)
 | |
|         return m
 | |
| 
 | |
|     def load_module(self, fqname, fp, pathname, file_info):
 | |
|         suffix, mode, type = file_info
 | |
|         self.msgin(2, "load_module", fqname, fp and "fp", pathname)
 | |
|         if type == imp.PKG_DIRECTORY:
 | |
|             m = self.load_package(fqname, pathname)
 | |
|             self.msgout(2, "load_module ->", m)
 | |
|             return m
 | |
|         if type == imp.PY_SOURCE:
 | |
|             co = compile(fp.read()+'\n', pathname, 'exec')
 | |
|         elif type == imp.PY_COMPILED:
 | |
|             if fp.read(4) != imp.get_magic():
 | |
|                 self.msgout(2, "raise ImportError: Bad magic number", pathname)
 | |
|                 raise ImportError, "Bad magic number in %s" % pathname
 | |
|             fp.read(4)
 | |
|             co = marshal.load(fp)
 | |
|         else:
 | |
|             co = None
 | |
|         m = self.add_module(fqname)
 | |
|         m.__file__ = pathname
 | |
|         if co:
 | |
|             if self.replace_paths:
 | |
|                 co = self.replace_paths_in_code(co)
 | |
|             m.__code__ = co
 | |
|             self.scan_code(co, m)
 | |
|         self.msgout(2, "load_module ->", m)
 | |
|         return m
 | |
| 
 | |
|     def _add_badmodule(self, name, caller):
 | |
|         if name not in self.badmodules:
 | |
|             self.badmodules[name] = {}
 | |
|         if caller:
 | |
|             self.badmodules[name][caller.__name__] = 1
 | |
|         else:
 | |
|             self.badmodules[name]["-"] = 1
 | |
| 
 | |
|     def _safe_import_hook(self, name, caller, fromlist, level=-1):
 | |
|         # wrapper for self.import_hook() that won't raise ImportError
 | |
|         if name in self.badmodules:
 | |
|             self._add_badmodule(name, caller)
 | |
|             return
 | |
|         try:
 | |
|             self.import_hook(name, caller, level=level)
 | |
|         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)
 | |
|                         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)
 | |
| 
 | |
|     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],)
 | |
|                 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]"
 |