def popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding='utf-8'):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt')
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING, strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
force_text(output, stdout_encoding, strings_only=True, errors='strict'),
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True, errors='replace'),
p.returncode
)
python类DEFAULT_LOCALE_ENCODING的实例源码
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError, universal_newlines=True):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE,
close_fds=os.name != 'nt', universal_newlines=universal_newlines)
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING,
strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
output,
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True),
p.returncode
)
def gettext_popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding="utf-8"):
"""
Makes sure text obtained from stdout of gettext utilities is Unicode.
"""
# This both decodes utf-8 and cleans line endings. Simply using
# popen_wrapper(universal_newlines=True) doesn't properly handle the
# encoding. This goes back to popen's flaky support for encoding:
# https://bugs.python.org/issue6135. This is a solution for #23271, #21928.
# No need to do anything on Python 2 because it's already a byte-string there.
manual_io_wrapper = six.PY3 and stdout_encoding != DEFAULT_LOCALE_ENCODING
stdout, stderr, status_code = popen_wrapper(args, os_err_exc_type=os_err_exc_type,
universal_newlines=not manual_io_wrapper)
if manual_io_wrapper:
stdout = io.TextIOWrapper(io.BytesIO(stdout), encoding=stdout_encoding).read()
if six.PY2:
stdout = stdout.decode(stdout_encoding)
return stdout, stderr, status_code
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding='utf-8'):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt')
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING, strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
force_text(output, stdout_encoding, strings_only=True, errors='strict'),
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True, errors='replace'),
p.returncode
)
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError, universal_newlines=True):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE,
close_fds=os.name != 'nt', universal_newlines=universal_newlines)
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING,
strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
output,
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True),
p.returncode
)
def gettext_popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding="utf-8"):
"""
Makes sure text obtained from stdout of gettext utilities is Unicode.
"""
# This both decodes utf-8 and cleans line endings. Simply using
# popen_wrapper(universal_newlines=True) doesn't properly handle the
# encoding. This goes back to popen's flaky support for encoding:
# https://bugs.python.org/issue6135. This is a solution for #23271, #21928.
# No need to do anything on Python 2 because it's already a byte-string there.
manual_io_wrapper = six.PY3 and stdout_encoding != DEFAULT_LOCALE_ENCODING
stdout, stderr, status_code = popen_wrapper(args, os_err_exc_type=os_err_exc_type,
universal_newlines=not manual_io_wrapper)
if manual_io_wrapper:
stdout = io.TextIOWrapper(io.BytesIO(stdout), encoding=stdout_encoding).read()
if six.PY2:
stdout = stdout.decode(stdout_encoding)
return stdout, stderr, status_code
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError, universal_newlines=True):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE,
close_fds=os.name != 'nt', universal_newlines=universal_newlines)
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING,
strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
output,
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True),
p.returncode
)
def gettext_popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding="utf-8"):
"""
Makes sure text obtained from stdout of gettext utilities is Unicode.
"""
# This both decodes utf-8 and cleans line endings. Simply using
# popen_wrapper(universal_newlines=True) doesn't properly handle the
# encoding. This goes back to popen's flaky support for encoding:
# https://bugs.python.org/issue6135. This is a solution for #23271, #21928.
# No need to do anything on Python 2 because it's already a byte-string there.
manual_io_wrapper = six.PY3 and stdout_encoding != DEFAULT_LOCALE_ENCODING
stdout, stderr, status_code = popen_wrapper(args, os_err_exc_type=os_err_exc_type,
universal_newlines=not manual_io_wrapper)
if manual_io_wrapper:
stdout = io.TextIOWrapper(io.BytesIO(stdout), encoding=stdout_encoding).read()
if six.PY2:
stdout = stdout.decode(stdout_encoding)
return stdout, stderr, status_code
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding='utf-8'):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt')
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING, strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
force_text(output, stdout_encoding, strings_only=True, errors='strict'),
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True, errors='replace'),
p.returncode
)
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE,
close_fds=os.name != 'nt', universal_newlines=True)
except OSError as e:
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], e.strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
output,
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True),
p.returncode
)
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding='utf-8'):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt')
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING, strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
force_text(output, stdout_encoding, strings_only=True, errors='strict'),
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True, errors='replace'),
p.returncode
)
def get_system_username():
"""
Try to determine the current system user's username.
:returns: The username as a unicode string, or an empty string if the
username could not be determined.
"""
try:
result = getpass.getuser()
except (ImportError, KeyError):
# KeyError will be raised by os.getpwuid() (called by getuser())
# if there is no corresponding entry in the /etc/passwd file
# (a very restricted chroot environment, for example).
return ''
if six.PY2:
try:
result = result.decode(DEFAULT_LOCALE_ENCODING)
except UnicodeDecodeError:
# UnicodeDecodeError - preventive treatment for non-latin Windows.
return ''
return result
def popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding='utf-8'):
"""
Friendly wrapper around Popen.
Returns stdout output, stderr output and OS status code.
"""
try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt')
except OSError as e:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING, strings_only=True)
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate()
return (
force_text(output, stdout_encoding, strings_only=True, errors='strict'),
force_text(errors, DEFAULT_LOCALE_ENCODING, strings_only=True, errors='replace'),
p.returncode
)
