def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a configparser.RawConfigParser, or None
"""
f = open(dist_filename, 'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended - 12)
tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended - (12 + cfglen))
init = {'version': '', 'target_version': ''}
cfg = configparser.RawConfigParser(init)
try:
part = f.read(cfglen)
# Read up to the first null byte.
config = part.split(b'\0', 1)[0]
# Now the config is in bytes, but for RawConfigParser, it should
# be text, so decode it.
config = config.decode(sys.getfilesystemencoding())
cfg.readfp(six.StringIO(config))
except configparser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
python类RawConfigParser()的实例源码
def __init__(self):
"""
Load from ~/.pypirc
"""
defaults = dict.fromkeys(['username', 'password', 'repository'], '')
configparser.RawConfigParser.__init__(self, defaults)
rc = os.path.join(os.path.expanduser('~'), '.pypirc')
if os.path.exists(rc):
self.read(rc)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
log.debug("Reading configuration from %s", filename)
opts = configparser.RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option, value in options.items():
if value is None:
log.debug(
"Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section, option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section, option, value)
log.info("Writing %s", filename)
if not dry_run:
with open(filename, 'w') as f:
opts.write(f)
def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a configparser.RawConfigParser, or None
"""
f = open(dist_filename, 'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended - 12)
tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended - (12 + cfglen))
init = {'version': '', 'target_version': ''}
cfg = configparser.RawConfigParser(init)
try:
part = f.read(cfglen)
# Read up to the first null byte.
config = part.split(b'\0', 1)[0]
# Now the config is in bytes, but for RawConfigParser, it should
# be text, so decode it.
config = config.decode(sys.getfilesystemencoding())
cfg.readfp(six.StringIO(config))
except configparser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
def __init__(self):
"""
Load from ~/.pypirc
"""
defaults = dict.fromkeys(['username', 'password', 'repository'], '')
configparser.RawConfigParser.__init__(self, defaults)
rc = os.path.join(os.path.expanduser('~'), '.pypirc')
if os.path.exists(rc):
self.read(rc)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
log.debug("Reading configuration from %s", filename)
opts = configparser.RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option, value in options.items():
if value is None:
log.debug(
"Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section, option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section, option, value)
log.info("Writing %s", filename)
if not dry_run:
with open(filename, 'w') as f:
opts.write(f)
def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a configparser.RawConfigParser, or None
"""
f = open(dist_filename, 'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended - 12)
tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended - (12 + cfglen))
init = {'version': '', 'target_version': ''}
cfg = configparser.RawConfigParser(init)
try:
part = f.read(cfglen)
# Read up to the first null byte.
config = part.split(b'\0', 1)[0]
# Now the config is in bytes, but for RawConfigParser, it should
# be text, so decode it.
config = config.decode(sys.getfilesystemencoding())
cfg.readfp(six.StringIO(config))
except configparser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
def __init__(self):
"""
Load from ~/.pypirc
"""
defaults = dict.fromkeys(['username', 'password', 'repository'], '')
configparser.RawConfigParser.__init__(self, defaults)
rc = os.path.join(os.path.expanduser('~'), '.pypirc')
if os.path.exists(rc):
self.read(rc)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
log.debug("Reading configuration from %s", filename)
opts = configparser.RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option, value in options.items():
if value is None:
log.debug(
"Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section, option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section, option, value)
log.info("Writing %s", filename)
if not dry_run:
with open(filename, 'w') as f:
opts.write(f)
def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a configparser.RawConfigParser, or None
"""
f = open(dist_filename, 'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended - 12)
tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended - (12 + cfglen))
init = {'version': '', 'target_version': ''}
cfg = configparser.RawConfigParser(init)
try:
part = f.read(cfglen)
# Read up to the first null byte.
config = part.split(b'\0', 1)[0]
# Now the config is in bytes, but for RawConfigParser, it should
# be text, so decode it.
config = config.decode(sys.getfilesystemencoding())
cfg.readfp(six.StringIO(config))
except configparser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
def __init__(self):
"""
Load from ~/.pypirc
"""
defaults = dict.fromkeys(['username', 'password', 'repository'], '')
configparser.RawConfigParser.__init__(self, defaults)
rc = os.path.join(os.path.expanduser('~'), '.pypirc')
if os.path.exists(rc):
self.read(rc)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
log.debug("Reading configuration from %s", filename)
opts = configparser.RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option, value in options.items():
if value is None:
log.debug(
"Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section, option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section, option, value)
log.info("Writing %s", filename)
if not dry_run:
with open(filename, 'w') as f:
opts.write(f)
def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a configparser.RawConfigParser, or None
"""
f = open(dist_filename, 'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended - 12)
tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended - (12 + cfglen))
init = {'version': '', 'target_version': ''}
cfg = configparser.RawConfigParser(init)
try:
part = f.read(cfglen)
# Read up to the first null byte.
config = part.split(b'\0', 1)[0]
# Now the config is in bytes, but for RawConfigParser, it should
# be text, so decode it.
config = config.decode(sys.getfilesystemencoding())
cfg.readfp(six.StringIO(config))
except configparser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
def __init__(self):
"""
Load from ~/.pypirc
"""
defaults = dict.fromkeys(['username', 'password', 'repository'], '')
configparser.RawConfigParser.__init__(self, defaults)
rc = os.path.join(os.path.expanduser('~'), '.pypirc')
if os.path.exists(rc):
self.read(rc)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
log.debug("Reading configuration from %s", filename)
opts = configparser.RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option, value in options.items():
if value is None:
log.debug(
"Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section, option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section, option, value)
log.info("Writing %s", filename)
if not dry_run:
with open(filename, 'w') as f:
opts.write(f)
def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a configparser.RawConfigParser, or None
"""
f = open(dist_filename, 'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended - 12)
tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended - (12 + cfglen))
init = {'version': '', 'target_version': ''}
cfg = configparser.RawConfigParser(init)
try:
part = f.read(cfglen)
# Read up to the first null byte.
config = part.split(b'\0', 1)[0]
# Now the config is in bytes, but for RawConfigParser, it should
# be text, so decode it.
config = config.decode(sys.getfilesystemencoding())
cfg.readfp(six.StringIO(config))
except configparser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
def __init__(self):
"""
Load from ~/.pypirc
"""
defaults = dict.fromkeys(['username', 'password', 'repository'], '')
configparser.RawConfigParser.__init__(self, defaults)
rc = os.path.join(os.path.expanduser('~'), '.pypirc')
if os.path.exists(rc):
self.read(rc)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
log.debug("Reading configuration from %s", filename)
opts = configparser.RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option, value in options.items():
if value is None:
log.debug(
"Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section, option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section, option, value)
log.info("Writing %s", filename)
if not dry_run:
with open(filename, 'w') as f:
opts.write(f)
def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a configparser.RawConfigParser, or None
"""
f = open(dist_filename, 'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended - 12)
tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended - (12 + cfglen))
init = {'version': '', 'target_version': ''}
cfg = configparser.RawConfigParser(init)
try:
part = f.read(cfglen)
# Read up to the first null byte.
config = part.split(b'\0', 1)[0]
# Now the config is in bytes, but for RawConfigParser, it should
# be text, so decode it.
config = config.decode(sys.getfilesystemencoding())
cfg.readfp(six.StringIO(config))
except configparser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
def __init__(self):
"""
Load from ~/.pypirc
"""
defaults = dict.fromkeys(['username', 'password', 'repository'], '')
configparser.RawConfigParser.__init__(self, defaults)
rc = os.path.join(os.path.expanduser('~'), '.pypirc')
if os.path.exists(rc):
self.read(rc)
