def __import_pywin32_system_module__(modname, globs):
# This has been through a number of iterations. The problem: how to
# locate pywintypesXX.dll when it may be in a number of places, and how
# to avoid ever loading it twice. This problem is compounded by the
# fact that the "right" way to do this requires win32api, but this
# itself requires pywintypesXX.
# And the killer problem is that someone may have done 'import win32api'
# before this code is called. In that case Windows will have already
# loaded pywintypesXX as part of loading win32api - but by the time
# we get here, we may locate a different one. This appears to work, but
# then starts raising bizarre TypeErrors complaining that something
# is not a pywintypes type when it clearly is!
# So in what we hope is the last major iteration of this, we now
# rely on a _win32sysloader module, implemented in C but not relying
# on pywintypesXX.dll. It then can check if the DLL we are looking for
# lib is already loaded.
import imp, sys, os
if not sys.platform.startswith("win32"):
# These extensions can be built on Linux via the 'mainwin' toolkit.
# Look for a native 'lib{modname}.so'
# NOTE: The _win32sysloader module will probably build in this
# environment, so it may be better to use that here too.
for ext, mode, ext_type in imp.get_suffixes():
if ext_type == imp.C_EXTENSION:
for path in sys.path:
look = os.path.join(path, "lib" + modname + ext)
if os.path.isfile(look):
mod = imp.load_module(modname, None, look,
(ext, mode, ext_type))
# and fill our namespace with it.
globs.update(mod.__dict__)
return
raise ImportError, "No dynamic module " + modname
# See if this is a debug build.
for suffix_item in imp.get_suffixes():
if suffix_item[0] == '_d.pyd':
suffix = '_d'
break
else:
suffix = ""
filename = "%s%d%d%s.dll" % \
(modname, sys.version_info[0], sys.version_info[1], suffix)
if hasattr(sys, "frozen"):
# If we are running from a frozen program (py2exe, McMillan, freeze)
# then we try and load the DLL from our sys.path
# XXX - This path may also benefit from _win32sysloader? However,
# MarkH has never seen the DLL load problem with py2exe programs...
for look in sys.path:
# If the sys.path entry is a (presumably) .zip file, use the
# directory
if os.path.isfile(look):
look = os.path.dirname(look)
found = os.path.join(look, filename)
if os.path.isfile(found):
break
else:
raise ImportError, \
"Module '%s' isn't in frozen sys.path %s" % (modname, sys.path)
else:
# First see if it already in our process - if so, we must use that.
import _win32sysloader
found = _win32sysloader.GetModuleFilename(filename)
if found is None:
# We ask Windows to load it next. This is in an attempt to
# get the exact same module loaded should pywintypes be imported
# first (which is how we are here) or if, eg, win32api was imported
# first thereby implicitly loading the DLL.
# Sadly though, it doesn't quite work - if pywintypesxx.dll
# is in system32 *and* the executable's directory, on XP SP2, an
# import of win32api will cause Windows to load pywintypes
# from system32, where LoadLibrary for that name will
# load the one in the exe's dir.
# That shouldn't really matter though, so long as we only ever
# get one loaded.
found = _win32sysloader.LoadModule(filename)
if found is None:
# Windows can't find it - which although isn't relevent here,
# means that we *must* be the first win32 import, as an attempt
# to import win32api etc would fail when Windows attempts to
# locate the DLL.
# This is most likely to happen for "non-admin" installs, where
# we can't put the files anywhere else on the global path.
# If there is a version in our Python directory, use that
if os.path.isfile(os.path.join(sys.prefix, filename)):
found = os.path.join(sys.prefix, filename)
if found is None:
# Not in the Python directory? Maybe we were installed via
# easy_install...
if os.path.isfile(os.path.join(os.path.dirname(__file__),
filename)):
found = os.path.join(os.path.dirname(__file__), filename)
if found is None:
# give up in disgust.
raise ImportError, \
"No system module '%s' (%s)" % (modname, filename)
# Python can load the module
mod = imp.load_module(modname, None, found,
('.dll', 'rb', imp.C_EXTENSION))
# and fill our namespace with it.
globs.update(mod.__dict__)
def __import_pywin32_system_module__(modname, globs):
# This has been through a number of iterations. The problem: how to
# locate pywintypesXX.dll when it may be in a number of places, and how
# to avoid ever loading it twice. This problem is compounded by the
# fact that the "right" way to do this requires win32api, but this
# itself requires pywintypesXX.
# And the killer problem is that someone may have done 'import win32api'
# before this code is called. In that case Windows will have already
# loaded pywintypesXX as part of loading win32api - but by the time
# we get here, we may locate a different one. This appears to work, but
# then starts raising bizarre TypeErrors complaining that something
# is not a pywintypes type when it clearly is!
# So in what we hope is the last major iteration of this, we now
# rely on a _win32sysloader module, implemented in C but not relying
# on pywintypesXX.dll. It then can check if the DLL we are looking for
# lib is already loaded.
if not sys.platform.startswith("win32"):
# These extensions can be built on Linux via the 'mainwin' toolkit.
# Look for a native 'lib{modname}.so'
# NOTE: The _win32sysloader module will probably build in this
# environment, so it may be better to use that here too.
for ext, mode, ext_type in imp.get_suffixes():
if ext_type == imp.C_EXTENSION:
for path in sys.path:
look = os.path.join(path, "lib" + modname + ext)
if os.path.isfile(look):
mod = imp.load_module(modname, None, look,
(ext, mode, ext_type))
# and fill our namespace with it.
# XXX - if this ever moves to py3k, this will probably
# need similar adjustments as below...
globs.update(mod.__dict__)
return
raise ImportError("No dynamic module " + modname)
# See if this is a debug build.
for suffix_item in imp.get_suffixes():
if suffix_item[0] == '_d.pyd':
suffix = '_d'
break
else:
suffix = ""
filename = "%s%d%d%s.dll" % \
(modname, sys.version_info[0], sys.version_info[1], suffix)
if hasattr(sys, "frozen"):
# If we are running from a frozen program (py2exe, McMillan, freeze)
# then we try and load the DLL from our sys.path
# XXX - This path may also benefit from _win32sysloader? However,
# MarkH has never seen the DLL load problem with py2exe programs...
for look in sys.path:
# If the sys.path entry is a (presumably) .zip file, use the
# directory
if os.path.isfile(look):
look = os.path.dirname(look)
found = os.path.join(look, filename)
if os.path.isfile(found):
break
else:
raise ImportError("Module '%s' isn't in frozen sys.path %s" %
(modname, sys.path))
else:
# First see if it already in our process - if so, we must use that.
import _win32sysloader
found = _win32sysloader.GetModuleFilename(filename)
if found is None:
# We ask Windows to load it next. This is in an attempt to
# get the exact same module loaded should pywintypes be imported
# first (which is how we are here) or if, eg, win32api was imported
# first thereby implicitly loading the DLL.
# Sadly though, it doesn't quite work - if pywintypesxx.dll
# is in system32 *and* the executable's directory, on XP SP2, an
# import of win32api will cause Windows to load pywintypes
# from system32, where LoadLibrary for that name will
# load the one in the exe's dir.
# That shouldn't really matter though, so long as we only ever
# get one loaded.
found = _win32sysloader.LoadModule(filename)
if found is None:
# Windows can't find it - which although isn't relevent here,
# means that we *must* be the first win32 import, as an attempt
# to import win32api etc would fail when Windows attempts to
# locate the DLL.
# This is most likely to happen for "non-admin" installs, where
# we can't put the files anywhere else on the global path.
# If there is a version in our Python directory, use that
if os.path.isfile(os.path.join(sys.prefix, filename)):
found = os.path.join(sys.prefix, filename)
if found is None:
# Not in the Python directory? Maybe we were installed via
# easy_install...
if os.path.isfile(os.path.join(os.path.dirname(__file__),
filename)):
found = os.path.join(os.path.dirname(__file__), filename)
if found is None:
# We might have been installed via PIP and without the post-install
# script having been run, so they might be in the
# lib/site-packages/pywin32_system32 directory.
# This isn't ideal as it means, say 'python -c "import win32api"'
# will not work but 'python -c "import pywintypes, win32api"' will,
# but it's better than nothing...
import distutils.sysconfig
maybe = os.path.join(
distutils.sysconfig.get_python_lib(plat_specific=1),
"pywin32_system32", filename)
if os.path.isfile(maybe):
found = maybe
if found is None:
# give up in disgust.
raise ImportError("No system module '%s' (%s)" %
(modname, filename))
# py2k and py3k differences:
# On py2k, after doing "imp.load_module('pywintypes')", sys.modules
# is unchanged - ie, sys.modules['pywintypes'] still refers to *this*
# .py module - but the module's __dict__ has *already* need updated
# with the new module's contents.
# However, on py3k, sys.modules *is* changed - sys.modules['pywintypes']
# will be changed to the new module object.
# SO: * on py2k don't need to update any globals.
# * on py3k we update our module dict with the new module's dict and
# copy its globals to ours.
old_mod = sys.modules[modname]
# Python can load the module
mod = imp.load_dynamic(modname, found)
# Check the sys.modules[] behaviour we describe above is true...
if sys.version_info < (3, 0):
assert sys.modules[modname] is old_mod
assert mod is old_mod
else:
assert sys.modules[modname] is not old_mod
assert sys.modules[modname] is mod
# as above - re-reset to the *old* module object then update globs.
sys.modules[modname] = old_mod
globs.update(mod.__dict__)
def __import_pywin32_system_module__(modname, globs):
# This has been through a number of iterations. The problem: how to
# locate pywintypesXX.dll when it may be in a number of places, and how
# to avoid ever loading it twice. This problem is compounded by the
# fact that the "right" way to do this requires win32api, but this
# itself requires pywintypesXX.
# And the killer problem is that someone may have done 'import win32api'
# before this code is called. In that case Windows will have already
# loaded pywintypesXX as part of loading win32api - but by the time
# we get here, we may locate a different one. This appears to work, but
# then starts raising bizarre TypeErrors complaining that something
# is not a pywintypes type when it clearly is!
# So in what we hope is the last major iteration of this, we now
# rely on a _win32sysloader module, implemented in C but not relying
# on pywintypesXX.dll. It then can check if the DLL we are looking for
# lib is already loaded.
# See if this is a debug build.
suffix = "_d" if "_d.pyd" in importlib.machinery.EXTENSION_SUFFIXES else ""
filename = "%s%d%d%s.dll" % (
modname,
sys.version_info[0],
sys.version_info[1],
suffix,
)
if hasattr(sys, "frozen"):
# If we are running from a frozen program (py2exe, McMillan, freeze)
# then we try and load the DLL from our sys.path
# XXX - This path may also benefit from _win32sysloader? However,
# MarkH has never seen the DLL load problem with py2exe programs...
for look in sys.path:
# If the sys.path entry is a (presumably) .zip file, use the
# directory
if os.path.isfile(look):
look = os.path.dirname(look)
found = os.path.join(look, filename)
if os.path.isfile(found):
break
else:
raise ImportError("Module '%s' isn't in frozen sys.path %s" %
(modname, sys.path))
else:
# First see if it already in our process - if so, we must use that.
import _win32sysloader
found = _win32sysloader.GetModuleFilename(filename)
if found is None:
# We ask Windows to load it next. This is in an attempt to
# get the exact same module loaded should pywintypes be imported
# first (which is how we are here) or if, eg, win32api was imported
# first thereby implicitly loading the DLL.
# Sadly though, it doesn't quite work - if pywintypesxx.dll
# is in system32 *and* the executable's directory, on XP SP2, an
# import of win32api will cause Windows to load pywintypes
# from system32, where LoadLibrary for that name will
# load the one in the exe's dir.
# That shouldn't really matter though, so long as we only ever
# get one loaded.
found = _win32sysloader.LoadModule(filename)
if found is None:
# Windows can't find it - which although isn't relevent here,
# means that we *must* be the first win32 import, as an attempt
# to import win32api etc would fail when Windows attempts to
# locate the DLL.
# This is most likely to happen for "non-admin" installs, where
# we can't put the files anywhere else on the global path.
# If there is a version in our Python directory, use that
if os.path.isfile(os.path.join(sys.prefix, filename)):
found = os.path.join(sys.prefix, filename)
if found is None:
# Not in the Python directory? Maybe we were installed via
# easy_install...
if os.path.isfile(os.path.join(os.path.dirname(__file__),
filename)):
found = os.path.join(os.path.dirname(__file__), filename)
if found is None:
# We might have been installed via PIP and without the post-install
# script having been run, so they might be in the
# lib/site-packages/pywin32_system32 directory.
# This isn't ideal as it means, say 'python -c "import win32api"'
# will not work but 'python -c "import pywintypes, win32api"' will,
# but it's better than nothing...
import sysconfig
maybe = os.path.join(sysconfig.get_paths()["platlib"],
"pywin32_system32", filename)
if os.path.isfile(maybe):
found = maybe
if found is None:
# give up in disgust.
raise ImportError("No system module '%s' (%s)" %
(modname, filename))
# After importing the module, sys.modules is updated to the DLL we just
# loaded - which isn't what we want. So we update sys.modules to refer to
# this module, and update our globals from it.
old_mod = sys.modules[modname]
# Load the DLL.
loader = importlib.machinery.ExtensionFileLoader(modname, found)
spec = importlib.machinery.ModuleSpec(name=modname,
loader=loader,
origin=found)
mod = importlib.util.module_from_spec(spec)
spec.loader.exec_module(mod)
# Check the sys.modules[] behaviour we describe above is true...
assert sys.modules[modname] is not old_mod
assert sys.modules[modname] is mod
# as above - re-reset to the *old* module object then update globs.
sys.modules[modname] = old_mod
globs.update(mod.__dict__)
try:
import _win32sysloader
except:
raise Exception("Cannot import PyWin32. Are you sure it's installed?")
# Anaconda and possibly other distributions have a bug in PyWin32, the `pythoncom` module can't be loaded because some required
# DLLs are located in the wrong place, so they aren't found. This code forces Windows to load them with the full path so that
# subsequent imports work correctly
import sys
import os
pywintypes_filename = "pywintypes%d%d.dll" % (sys.version_info[0],
sys.version_info[1])
pywintypes_found = _win32sysloader.GetModuleFilename(pywintypes_filename)
if not pywintypes_found:
pywintypes_found = _win32sysloader.LoadModule(
os.path.join(sys.prefix, 'lib', 'site-packages', 'win32',
pywintypes_filename))
# Import necessary modules
import types
import pythoncom
import pywintypes
import win32com.client
import win32com.server.util as serverutil
import win32com.server.dispatcher
import win32com.server.policy
import win32api
import winerror
# --- XLPython object class id ---