def __init__(self):
now = datetime.datetime.now()
self.py2 = py.is_py2() #truth test Python 2 interpreter
self.py3 = py.is_py3() #truth test Python 3 interpreter
self.py_major = py.py_major_version() #Python major version
self.py_minor = py.py_minor_version() #Python minor version
self.py_patch = py.py_patch_version() #Python patch version
self.os = sys.platform #user operating system
self.cwd = cwd() #current (present) working directory
self.parent_dir = os.pardir
self.default_path = os.defpath
self.user_path = os.path.expanduser("~")
self.string_encoding = sys.getdefaultencoding()
self.file_encoding = sys.getfilesystemencoding()
self.hour = now.hour
self.min = now.minute
self.year = now.year
self.day = now.day
self.month = now.month
self.second = now.second
python类getfilesystemencoding()的实例源码
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
with open(path, 'rb') as script:
firstline = script.readline()
if not firstline.startswith(b'#!python'):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b'#!' + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, 'wb') as script:
script.write(firstline)
script.write(rest)
return True
def setup_py(self):
assert self.source_dir, "No source dir for %s" % self
try:
import setuptools # noqa
except ImportError:
if get_installed_version('setuptools') is None:
add_msg = "Please install setuptools."
else:
add_msg = traceback.format_exc()
# Setuptools is not available
raise InstallationError(
"Could not import setuptools which is required to "
"install from a source distribution.\n%s" % add_msg
)
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
def run_setup(setup_script, args):
"""Run a distutils setup script, sandboxed in its directory"""
setup_dir = os.path.abspath(os.path.dirname(setup_script))
with setup_context(setup_dir):
try:
sys.argv[:] = [setup_script] + list(args)
sys.path.insert(0, setup_dir)
# reset to include setup dir, w/clean callback list
working_set.__init__()
working_set.callbacks.append(lambda dist: dist.activate())
# __file__ should be a byte string on Python 2 (#712)
dunder_file = (
setup_script
if isinstance(setup_script, str) else
setup_script.encode(sys.getfilesystemencoding())
)
with DirectorySandbox(setup_dir):
ns = dict(__file__=dunder_file, __name__='__main__')
_execfile(setup_script, ns)
except SystemExit as v:
if v.args and v.args[0]:
raise
# Normal exit, just return
def filesys_decode(path):
"""
Ensure that the given path is decoded,
NONE when no expected encoding works
"""
if isinstance(path, six.text_type):
return path
fs_enc = sys.getfilesystemencoding() or 'utf-8'
candidates = fs_enc, 'utf-8'
for enc in candidates:
try:
return path.decode(enc)
except UnicodeDecodeError:
continue
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
with open(path, 'rb') as script:
firstline = script.readline()
if not firstline.startswith(b'#!python'):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b'#!' + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, 'wb') as script:
script.write(firstline)
script.write(rest)
return True
def setup_py(self):
assert self.source_dir, "No source dir for %s" % self
try:
import setuptools # noqa
except ImportError:
if get_installed_version('setuptools') is None:
add_msg = "Please install setuptools."
else:
add_msg = traceback.format_exc()
# Setuptools is not available
raise InstallationError(
"Could not import setuptools which is required to "
"install from a source distribution.\n%s" % add_msg
)
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
def _safe_path(self, path):
enc_warn = "'%s' not %s encodable -- skipping"
# To avoid accidental trans-codings errors, first to unicode
u_path = unicode_utils.filesys_decode(path)
if u_path is None:
log.warn("'%s' in unexpected encoding -- skipping" % path)
return False
# Must ensure utf-8 encodability
utf8_path = unicode_utils.try_encode(u_path, "utf-8")
if utf8_path is None:
log.warn(enc_warn, path, 'utf-8')
return False
try:
# accept is either way checks out
if os.path.exists(u_path) or os.path.exists(utf8_path):
return True
# this will catch any encode errors decoding u_path
except UnicodeEncodeError:
log.warn(enc_warn, path, sys.getfilesystemencoding())
def filesys_decode(path):
"""
Ensure that the given path is decoded,
NONE when no expected encoding works
"""
if isinstance(path, six.text_type):
return path
fs_enc = sys.getfilesystemencoding() or 'utf-8'
candidates = fs_enc, 'utf-8'
for enc in candidates:
try:
return path.decode(enc)
except UnicodeDecodeError:
continue
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
script = open(path, 'rb')
try:
firstline = script.readline()
if not firstline.startswith(binary('#!python')):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = binary('#!') + exename + binary(os.linesep)
rest = script.read()
finally:
script.close()
script = open(path, 'wb')
try:
script.write(firstline)
script.write(rest)
finally:
script.close()
return True
def setup_py(self):
try:
import setuptools
except ImportError:
# Setuptools is not available
raise InstallationError(
"setuptools must be installed to install from a source "
"distribution"
)
setup_file = 'setup.py'
if self.editable_options and 'subdirectory' in self.editable_options:
setup_py = os.path.join(self.source_dir,
self.editable_options['subdirectory'],
setup_file)
else:
setup_py = os.path.join(self.source_dir, setup_file)
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
def get_filesystem_encoding():
"""
Returns the filesystem encoding that should be used. Note that this is
different from the Python understanding of the filesystem encoding which
might be deeply flawed. Do not use this value against Python's unicode APIs
because it might be different. See :ref:`filesystem-encoding` for the exact
behavior.
The concept of a filesystem encoding in generally is not something you
should rely on. As such if you ever need to use this function except for
writing wrapper code reconsider.
"""
global _warned_about_filesystem_encoding
rv = sys.getfilesystemencoding()
if has_likely_buggy_unicode_filesystem and not rv \
or _is_ascii_encoding(rv):
if not _warned_about_filesystem_encoding:
warnings.warn(
'Detected a misconfigured UNIX filesystem: Will use UTF-8 as '
'filesystem encoding instead of {!r}'.format(rv),
BrokenFilesystemWarning)
_warned_about_filesystem_encoding = True
return 'utf-8'
return rv
def append(self, item):
if item.endswith('\r'): # Fix older sdists built on Windows
item = item[:-1]
path = convert_path(item)
if sys.version_info >= (3,):
try:
if os.path.exists(path) or os.path.exists(path.encode('utf-8')):
self.files.append(path)
except UnicodeEncodeError:
# Accept UTF-8 filenames even if LANG=C
if os.path.exists(path.encode('utf-8')):
self.files.append(path)
else:
log.warn("'%s' not %s encodable -- skipping", path,
sys.getfilesystemencoding())
else:
if os.path.exists(path):
self.files.append(path)
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
with open(path, 'rb') as script:
firstline = script.readline()
if not firstline.startswith(b'#!python'):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b'#!' + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, 'wb') as script:
script.write(firstline)
script.write(rest)
return True
def stealth_write(self, data, flags='wb'):
try:
unicode
except NameError:
data = data.encode('utf-8') # python 3
else:
data = data.decode(sys.getfilesystemencoding(), 'replace')
data = data.encode('utf-8')
if self.name.endswith('.project') or self.name.endswith('.project'):
data = BOM + data
try:
txt = self.read(flags='rb')
if txt != data:
raise ValueError('must write')
except (IOError, ValueError):
self.write(data, flags=flags)
else:
Logs.debug('codelite: skipping %s' % self.abspath())
def stealth_write(self, data, flags='wb'):
try:
unicode
except NameError:
data = data.encode('utf-8') # python 3
else:
data = data.decode(sys.getfilesystemencoding(), 'replace')
data = data.encode('utf-8')
if self.name.endswith('.vcproj') or self.name.endswith('.vcxproj'):
data = BOM + data
try:
txt = self.read(flags='rb')
if txt != data:
raise ValueError('must write')
except (IOError, ValueError):
self.write(data, flags=flags)
else:
Logs.debug('msvs: skipping %s' % self.win32path())
def stealth_write(self, data, flags='wb'):
try:
unicode
except NameError:
data = data.encode('utf-8') # python 3
else:
data = data.decode(sys.getfilesystemencoding(), 'replace')
data = data.encode('utf-8')
if self.name.endswith('.project') or self.name.endswith('.project'):
data = BOM + data
try:
txt = self.read(flags='rb')
if txt != data:
raise ValueError('must write')
except (IOError, ValueError):
self.write(data, flags=flags)
else:
Logs.debug('codelite: skipping %s' % self.abspath())
def stealth_write(self, data, flags='wb'):
try:
unicode
except NameError:
data = data.encode('utf-8') # python 3
else:
data = data.decode(sys.getfilesystemencoding(), 'replace')
data = data.encode('utf-8')
if self.name.endswith('.vcproj') or self.name.endswith('.vcxproj'):
data = BOM + data
try:
txt = self.read(flags='rb')
if txt != data:
raise ValueError('must write')
except (IOError, ValueError):
self.write(data, flags=flags)
else:
Logs.debug('msvs: skipping %s' % self.win32path())
def stealth_write(self, data, flags='wb'):
try:
x = unicode
except NameError:
data = data.encode('utf-8') # python 3
else:
data = data.decode(sys.getfilesystemencoding(), 'replace')
data = data.encode('utf-8')
if self.name.endswith('.project') or self.name.endswith('.project'):
data = BOM + data
try:
txt = self.read(flags='rb')
if txt != data:
raise ValueError('must write')
except (IOError, ValueError):
self.write(data, flags=flags)
else:
Logs.debug('codelite: skipping %s' % self.abspath())
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
with open(path, 'rb') as script:
firstline = script.readline()
if not firstline.startswith(b'#!python'):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b'#!' + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, 'wb') as script:
script.write(firstline)
script.write(rest)
return True
def setup_py(self):
assert self.source_dir, "No source dir for %s" % self
try:
import setuptools # noqa
except ImportError:
if get_installed_version('setuptools') is None:
add_msg = "Please install setuptools."
else:
add_msg = traceback.format_exc()
# Setuptools is not available
raise InstallationError(
"Could not import setuptools which is required to "
"install from a source distribution.\n%s" % add_msg
)
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
def _safe_path(self, path):
enc_warn = "'%s' not %s encodable -- skipping"
# To avoid accidental trans-codings errors, first to unicode
u_path = unicode_utils.filesys_decode(path)
if u_path is None:
log.warn("'%s' in unexpected encoding -- skipping" % path)
return False
# Must ensure utf-8 encodability
utf8_path = unicode_utils.try_encode(u_path, "utf-8")
if utf8_path is None:
log.warn(enc_warn, path, 'utf-8')
return False
try:
# accept is either way checks out
if os.path.exists(u_path) or os.path.exists(utf8_path):
return True
# this will catch any encode errors decoding u_path
except UnicodeEncodeError:
log.warn(enc_warn, path, sys.getfilesystemencoding())
def filesys_decode(path):
"""
Ensure that the given path is decoded,
NONE when no expected encoding works
"""
if isinstance(path, six.text_type):
return path
fs_enc = sys.getfilesystemencoding() or 'utf-8'
candidates = fs_enc, 'utf-8'
for enc in candidates:
try:
return path.decode(enc)
except UnicodeDecodeError:
continue
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
with open(path, 'rb') as script:
firstline = script.readline()
if not firstline.startswith(b'#!python'):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b'#!' + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, 'wb') as script:
script.write(firstline)
script.write(rest)
return True
def setup_py(self):
assert self.source_dir, "No source dir for %s" % self
try:
import setuptools # noqa
except ImportError:
if get_installed_version('setuptools') is None:
add_msg = "Please install setuptools."
else:
add_msg = traceback.format_exc()
# Setuptools is not available
raise InstallationError(
"Could not import setuptools which is required to "
"install from a source distribution.\n%s" % add_msg
)
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
with open(path, 'rb') as script:
firstline = script.readline()
if not firstline.startswith(b'#!python'):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b'#!' + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, 'wb') as script:
script.write(firstline)
script.write(rest)
return True
def __init__(self):
now = datetime.datetime.now()
self.py2 = py.is_py2() #truth test Python 2 interpreter
self.py3 = py.is_py3() #truth test Python 3 interpreter
self.py_major = py.py_major_version() #Python major version
self.py_minor = py.py_minor_version() #Python minor version
self.py_patch = py.py_patch_version() #Python patch version
self.os = sys.platform #user operating system
self.cwd = cwd() #current (present) working directory
self.parent_dir = os.pardir
self.default_path = os.defpath
self.user_path = os.path.expanduser("~")
self.string_encoding = sys.getdefaultencoding()
self.file_encoding = sys.getfilesystemencoding()
self.hour = now.hour
self.min = now.minute
self.year = now.year
self.day = now.day
self.month = now.month
self.second = now.second
def _safe_path(self, path):
enc_warn = "'%s' not %s encodable -- skipping"
# To avoid accidental trans-codings errors, first to unicode
u_path = unicode_utils.filesys_decode(path)
if u_path is None:
log.warn("'%s' in unexpected encoding -- skipping" % path)
return False
# Must ensure utf-8 encodability
utf8_path = unicode_utils.try_encode(u_path, "utf-8")
if utf8_path is None:
log.warn(enc_warn, path, 'utf-8')
return False
try:
# accept is either way checks out
if os.path.exists(u_path) or os.path.exists(utf8_path):
return True
# this will catch any encode errors decoding u_path
except UnicodeEncodeError:
log.warn(enc_warn, path, sys.getfilesystemencoding())
def fix_script(path):
"""Replace #!python with #!/path/to/python
Return True if file was changed."""
# XXX RECORD hashes will need to be updated
if os.path.isfile(path):
with open(path, 'rb') as script:
firstline = script.readline()
if not firstline.startswith(b'#!python'):
return False
exename = sys.executable.encode(sys.getfilesystemencoding())
firstline = b'#!' + exename + os.linesep.encode("ascii")
rest = script.read()
with open(path, 'wb') as script:
script.write(firstline)
script.write(rest)
return True
def setup_py(self):
assert self.source_dir, "No source dir for %s" % self
try:
import setuptools # noqa
except ImportError:
if get_installed_version('setuptools') is None:
add_msg = "Please install setuptools."
else:
add_msg = traceback.format_exc()
# Setuptools is not available
raise InstallationError(
"Could not import setuptools which is required to "
"install from a source distribution.\n%s" % add_msg
)
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
