def find_module_in_dir(self, name, dir, allow_packages=1):
if dir is None:
return self.find_builtin_module(name)
if allow_packages:
fullname = self.hooks.path_join(dir, name)
if self.hooks.path_isdir(fullname):
stuff = self.find_module_in_dir("__init__", fullname, 0)
if stuff:
file = stuff[0]
if file: file.close()
return None, fullname, ('', '', PKG_DIRECTORY)
for info in self.hooks.get_suffixes():
suff, mode, type = info
fullname = self.hooks.path_join(dir, name+suff)
try:
fp = self.hooks.openfile(fullname, mode)
return fp, fullname, info
except self.hooks.openfile_error:
pass
return None
python类get_suffixes()的实例源码
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if string.lower(filename[-4:]) in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def find_module_in_dir(self, name, dir, allow_packages=1):
if dir is None:
return self.find_builtin_module(name)
if allow_packages:
fullname = self.hooks.path_join(dir, name)
if self.hooks.path_isdir(fullname):
stuff = self.find_module_in_dir("__init__", fullname, 0)
if stuff:
file = stuff[0]
if file: file.close()
return None, fullname, ('', '', PKG_DIRECTORY)
for info in self.hooks.get_suffixes():
suff, mode, type = info
fullname = self.hooks.path_join(dir, name+suff)
try:
fp = self.hooks.openfile(fullname, mode)
return fp, fullname, info
except self.hooks.openfile_error:
pass
return None
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if string.lower(filename[-4:]) in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def get_soabi():
soabi = None
try:
soabi = sysconfig.get_config_var('SOABI')
arch = sysconfig.get_config_var('MULTIARCH')
except IOError:
pass
if soabi and arch and 'pypy' in sysconfig.get_scheme_names():
soabi = '%s-%s' % (soabi, arch)
if soabi is None and 'pypy' in sysconfig.get_scheme_names():
# NOTE(sigmavirus24): PyPy only added support for the SOABI config var
# to sysconfig in 2015. That was well after 2.2.1 was published in the
# Ubuntu 14.04 archive.
for suffix, _, _ in imp.get_suffixes():
if suffix.startswith('.pypy') and suffix.endswith('.so'):
soabi = suffix.split('.')[1]
break
return soabi
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if string.lower(filename[-4:]) in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if string.lower(filename[-4:]) in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def listmodules(self, allnames):
modules = {}
suffixes = imp.get_suffixes()
sorted = []
for suff, mode, flag in suffixes:
i = -len(suff)
for name in allnames[:]:
normed_name = os.path.normcase(name)
if normed_name[i:] == suff:
mod_name = name[:i]
if mod_name not in modules:
modules[mod_name] = None
sorted.append((normed_name, name))
allnames.remove(name)
sorted.sort()
return sorted
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if filename[-4:].lower() in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and filename[-len(suffix):].lower() == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def _find_all_submodules(self, m):
if not m.packagepath:
return
# '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 = [triple[0] for triple in imp.get_suffixes()]
for path in m.packagepath:
try:
names = zipio.listdir(path)
except (os.error, IOError):
self.msg(2, "can't list directory", path)
continue
for info in (moduleInfoForPath(p) for p in names):
if info is None: continue
if info[0] != '__init__':
yield info[0]
def find_module_in_dir(self, name, dir, allow_packages=1):
if dir is None:
return self.find_builtin_module(name)
if allow_packages:
fullname = self.hooks.path_join(dir, name)
if self.hooks.path_isdir(fullname):
stuff = self.find_module_in_dir("__init__", fullname, 0)
if stuff:
file = stuff[0]
if file: file.close()
return None, fullname, ('', '', PKG_DIRECTORY)
for info in self.hooks.get_suffixes():
suff, mode, type = info
fullname = self.hooks.path_join(dir, name+suff)
try:
fp = self.hooks.openfile(fullname, mode)
return fp, fullname, info
except self.hooks.openfile_error:
pass
return None
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if string.lower(filename[-4:]) in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def _visit_pyfiles(list, dirname, names):
"""Helper for getFilesForName()."""
# get extension for python source files
if not globals().has_key('_py_ext'):
global _py_ext
_py_ext = [triple[0] for triple in imp.get_suffixes()
if triple[2] == imp.PY_SOURCE][0]
# don't recurse into CVS directories
if 'CVS' in names:
names.remove('CVS')
# add all *.py files to list
list.extend(
[os.path.join(dirname, file) for file in names
if os.path.splitext(file)[1] == _py_ext]
)
def find_module_in_dir(self, name, dir, allow_packages=1):
if dir is None:
return self.find_builtin_module(name)
if allow_packages:
fullname = self.hooks.path_join(dir, name)
if self.hooks.path_isdir(fullname):
stuff = self.find_module_in_dir("__init__", fullname, 0)
if stuff:
file = stuff[0]
if file: file.close()
return None, fullname, ('', '', PKG_DIRECTORY)
for info in self.hooks.get_suffixes():
suff, mode, type = info
fullname = self.hooks.path_join(dir, name+suff)
try:
fp = self.hooks.openfile(fullname, mode)
return fp, fullname, info
except self.hooks.openfile_error:
pass
return None
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if string.lower(filename[-4:]) in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def _visit_pyfiles(list, dirname, names):
"""Helper for getFilesForName()."""
# get extension for python source files
if not globals().has_key('_py_ext'):
global _py_ext
_py_ext = [triple[0] for triple in imp.get_suffixes()
if triple[2] == imp.PY_SOURCE][0]
# don't recurse into CVS directories
if 'CVS' in names:
names.remove('CVS')
# add all *.py files to list
list.extend(
[os.path.join(dirname, file) for file in names
if os.path.splitext(file)[1] == _py_ext]
)
def find_module_in_dir(self, name, dir, allow_packages=1):
if dir is None:
return self.find_builtin_module(name)
if allow_packages:
fullname = self.hooks.path_join(dir, name)
if self.hooks.path_isdir(fullname):
stuff = self.find_module_in_dir("__init__", fullname, 0)
if stuff:
file = stuff[0]
if file: file.close()
return None, fullname, ('', '', PKG_DIRECTORY)
for info in self.hooks.get_suffixes():
suff, mode, type = info
fullname = self.hooks.path_join(dir, name+suff)
try:
fp = self.hooks.openfile(fullname, mode)
return fp, fullname, info
except self.hooks.openfile_error:
pass
return None
def getsourcefile(object):
"""Return the filename that can be used to locate an object's source.
Return None if no way can be identified to get the source.
"""
filename = getfile(object)
if string.lower(filename[-4:]) in ('.pyc', '.pyo'):
filename = filename[:-4] + '.py'
for suffix, mode, kind in imp.get_suffixes():
if 'b' in mode and string.lower(filename[-len(suffix):]) == suffix:
# Looks like a binary file. We want to only return a text file.
return None
if os.path.exists(filename):
return filename
# only return a non-existent filename if the module has a PEP 302 loader
if hasattr(getmodule(object, filename), '__loader__'):
return filename
# or it is in the linecache
if filename in linecache.cache:
return filename
def find_msvcrt():
"""Return the name of the VC runtime dll"""
version = _get_build_version()
if version is None:
# better be safe than sorry
return None
if version <= 6:
clibname = 'msvcrt'
else:
clibname = 'msvcr%d' % (version * 10)
# If python was built with in debug mode
import imp
if imp.get_suffixes()[0][0] == '_d.pyd':
clibname += 'd'
return clibname+'.dll'
def get_abi3_suffix():
"""Return the file extension for an abi3-compliant Extension()"""
for suffix, _, _ in (s for s in imp.get_suffixes() if s[2] == imp.C_EXTENSION):
if '.abi3' in suffix: # Unix
return suffix
elif suffix == '.pyd': # Windows
return suffix
def get_abi3_suffix():
"""Return the file extension for an abi3-compliant Extension()"""
for suffix, _, _ in (s for s in imp.get_suffixes() if s[2] == imp.C_EXTENSION):
if '.abi3' in suffix: # Unix
return suffix
elif suffix == '.pyd': # Windows
return suffix
def get_suffixes(self):
return self.rexec.get_suffixes()
def get_suffixes(self):
return [item # (suff, mode, type)
for item in imp.get_suffixes()
if item[2] in self.ok_file_types]
