def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
python类S_IREAD的实例源码
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def execute(self, name, options, parameters):
try:
self._cmdLock.acquire()
self._log.debug("execute(%s, %s, %s)", name, options, parameters)
if not name.startswith("/"):
raise CF.InvalidFileName(CF.CF_EINVAL, "Filename must be absolute")
if self.isLocked(): raise CF.Device.InvalidState("System is locked down")
if self.isDisabled(): raise CF.Device.InvalidState("System is disabled")
priority = 0
stack_size = 4096
invalidOptions = []
for option in options:
val = option.value.value()
if option.id == CF.ExecutableDevice.PRIORITY_ID:
if ((not isinstance(val, int)) and (not isinstance(val, long))):
invalidOptions.append(option)
else:
priority = val
elif option.id == CF.ExecutableDevice.STACK_SIZE_ID:
if ((not isinstance(val, int)) and (not isinstance(val, long))):
invalidOptions.append(option)
else:
stack_size = val
if len(invalidOptions) > 0:
self._log.error("execute() received invalid options %s", invalidOptions)
raise CF.ExecutableDevice.InvalidOptions(invalidOptions)
command = name[1:] # This is relative to our CWD
self._log.debug("Running %s %s", command, os.getcwd())
if not os.path.isfile(command):
raise CF.InvalidFileName(CF.CF_EINVAL, "File could not be found %s" % command)
os.chmod(command, os.stat(command)[0] | stat.S_IEXEC | stat.S_IREAD | stat.S_IWRITE)
finally:
self._cmdLock.release()
return self._execute(command, options, parameters)
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def getReadable(self):
"""
returns whether the current instance's file is readable or not. if the file
doesn't exist False is returned
"""
try:
s = os.stat(self)
return s.st_mode & stat.S_IREAD
except:
# i think this only happens if the file doesn't exist
return False
def setWritable(self, state=True):
"""
sets the writeable flag (ie: !readonly)
"""
try:
setTo = stat.S_IREAD
if state:
setTo = stat.S_IWRITE
os.chmod(self, setTo)
except:
pass
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def file_set_readonly(path, enable, follow_symlinks=True, recursive=False):
"""Apply or remove the read-only property of a given file or directory."""
st_mode = os.stat(path, follow_symlinks=follow_symlinks).st_mode
new_attr = (
(st_mode | stat.S_IREAD) & ~stat.S_IWRITE if enable
else (st_mode | stat.S_IWRITE) & ~stat.S_IREAD)
if new_attr != st_mode:
os.chmod(path, new_attr)
if recursive and stat.S_ISDIR(st_mode):
for entry in os.scandir(path):
file_set_readonly(entry.path, enable, follow_symlinks, recursive)
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
def rmtree_errorhandler(func, path, exc_info):
"""On Windows, the files in .svn are read-only, so when rmtree() tries to
remove them, an exception is thrown. We catch that here, remove the
read-only attribute, and hopefully continue without problems."""
# if file type currently read only
if os.stat(path).st_mode & stat.S_IREAD:
# convert to read/write
os.chmod(path, stat.S_IWRITE)
# use the original function to repeat the operation
func(path)
return
else:
raise
