def chmod(location, flags, recurse=False):
"""
Update permissions for `location` with with `flags`. `flags` is one of R,
RW, RX or RWX with the same semantics as in the chmod command. Update is
done recursively if `recurse`.
"""
if not location or not os.path.exists(location):
return
location = os.path.abspath(location)
new_flags = flags
if filetype.is_dir(location):
# POSIX dirs need to be executable to be readable,
# and to be writable so we can change perms of files inside
new_flags = RWX
# FIXME: do we really need to change the parent directory perms?
# FIXME: may just check them instead?
parent = os.path.dirname(location)
current_stat = stat.S_IMODE(os.stat(parent).st_mode)
if not is_rwx(parent):
os.chmod(parent, current_stat | RWX)
if filetype.is_regular(location):
current_stat = stat.S_IMODE(os.stat(location).st_mode)
os.chmod(location, current_stat | new_flags)
if recurse:
chmod_tree(location, flags)
def chmod(location, flags, recurse=False):
"""
Update permissions for `location` with with `flags`. `flags` is one of R,
RW, RX or RWX with the same semantics as in the chmod command. Update is
done recursively if `recurse`.
"""
if not location or not os.path.exists(location):
return
if on_linux and py2:
location = fsencode(location)
location = os.path.abspath(location)
new_flags = flags
if filetype.is_dir(location):
# POSIX dirs need to be executable to be readable,
# and to be writable so we can change perms of files inside
new_flags = RWX
# FIXME: do we really need to change the parent directory perms?
# FIXME: may just check them instead?
parent = os.path.dirname(location)
current_stat = stat.S_IMODE(os.stat(parent).st_mode)
if not is_rwx(parent):
os.chmod(parent, current_stat | RWX)
if filetype.is_regular(location):
current_stat = stat.S_IMODE(os.stat(location).st_mode)
os.chmod(location, current_stat | new_flags)
if recurse:
chmod_tree(location, flags)
def __init__(self, location):
if (not location
or (not os.path.exists(location)
and not filetype.is_broken_link(location))):
raise IOError("[Errno 2] No such file or directory: "
"'%(location)r'" % locals())
self.location = location
# flags and values
self.is_file = filetype.is_file(location)
self.is_dir = filetype.is_dir(location)
self.is_regular = filetype.is_regular(location)
self.is_special = filetype.is_special(location)
self.date = filetype.get_last_modified_date(location)
self.is_link = filetype.is_link(location)
self.is_broken_link = filetype.is_broken_link(location)
# FIXME: the way the True and False values are checked in properties is verbose and contrived at best
# and is due to use None/True/False as different values
# computed on demand
self._size = None
self._link_target = None
self._mimetype_python = None
self._filetype_file = None
self._mimetype_file = None
self._filetype_pygments = None
self._is_pdf_with_text = None
self._is_text = None
self._is_binary = None
self._contains_text = None
def __init__(self, location):
if not location or (not os.path.exists(location) and not filetype.is_broken_link(location)):
raise IOError("[Errno 2] No such file or directory: " "'%(location)r'" % locals())
self.location = location
# flags and values
self.is_file = filetype.is_file(location)
self.is_dir = filetype.is_dir(location)
self.is_regular = filetype.is_regular(location)
self.is_special = filetype.is_special(location)
self.date = filetype.get_last_modified_date(location)
self.is_link = filetype.is_link(location)
self.is_broken_link = filetype.is_broken_link(location)
# FIXME: the way the True and False values are checked in properties is verbose and contrived at best
# and is due to use None/True/False as different values
# computed on demand
self._size = None
self._link_target = None
self._mimetype_python = None
self._filetype_file = None
self._mimetype_file = None
self._filetype_pygments = None
self._is_pdf_with_text = None
self._is_text = None
self._is_binary = None
def __init__(self, location):
if (not location
or (not os.path.exists(location)
and not filetype.is_broken_link(location))):
raise IOError("[Errno 2] No such file or directory: "
"'%(location)r'" % locals())
self.location = location
# flags and values
self.is_file = filetype.is_file(location)
self.is_dir = filetype.is_dir(location)
self.is_regular = filetype.is_regular(location)
self.is_special = filetype.is_special(location)
self.date = filetype.get_last_modified_date(location)
self.is_link = filetype.is_link(location)
self.is_broken_link = filetype.is_broken_link(location)
# computed on demand
self._size = None
self._link_target = None
self._mimetype_python = None
self._filetype_file = None
self._mimetype_file = None
self._filetype_pygments = None
self._is_pdf_with_text = None
self._is_text = None
self._is_binary = None
def copytree(src, dst):
"""
Copy recursively the `src` directory to the `dst` directory. If `dst` is an
existing directory, files in `dst` may be overwritten during the copy.
Preserve timestamps.
Ignores:
-`src` permissions: `dst` files are created with the default permissions.
- all special files such as FIFO or character devices and symlinks.
Raise an shutil.Error with a list of reasons.
This function is similar to and derived from the Python shutil.copytree
function. See fileutils.py.ABOUT for details.
"""
if on_linux and py2:
src = fsencode(src)
dst = fsencode(dst)
if not filetype.is_readable(src):
chmod(src, R, recurse=False)
names = os.listdir(src)
if not os.path.exists(dst):
os.makedirs(dst)
errors = []
errors.extend(copytime(src, dst))
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
# skip anything that is not a regular file, dir or link
if not filetype.is_regular(srcname):
continue
if not filetype.is_readable(srcname):
chmod(srcname, R, recurse=False)
try:
if os.path.isdir(srcname):
copytree(srcname, dstname)
elif filetype.is_file(srcname):
copyfile(srcname, dstname)
# catch the Error from the recursive copytree so that we can
# continue with other files
except shutil.Error as err:
errors.extend(err.args[0])
except EnvironmentError as why:
errors.append((srcname, dstname, str(why)))
if errors:
raise shutil.Error(errors)
def copytree(src, dst):
"""
Copy recursively the `src` directory to the `dst` directory. If `dst` is an
existing directory, files in `dst` may be overwritten during the copy.
Preserve timestamps.
Ignores:
-`src` permissions: `dst` files are created with the default permissions.
- all special files such as FIFO or character devices and symlinks.
Raise an shutil.Error with a list of reasons.
This function is similar to and derived from the Python shutil.copytree
function. See fileutils.py.ABOUT for details.
"""
if on_linux:
src = path_to_bytes(src)
dst = path_to_bytes(dst)
if not filetype.is_readable(src):
chmod(src, R, recurse=False)
names = os.listdir(src)
if not os.path.exists(dst):
os.makedirs(dst)
errors = []
errors.extend(copytime(src, dst))
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
# skip anything that is not a regular file, dir or link
if not filetype.is_regular(srcname):
continue
if not filetype.is_readable(srcname):
chmod(srcname, R, recurse=False)
try:
if os.path.isdir(srcname):
copytree(srcname, dstname)
elif filetype.is_file(srcname):
copyfile(srcname, dstname)
# catch the Error from the recursive copytree so that we can
# continue with other files
except shutil.Error, err:
errors.extend(err.args[0])
except EnvironmentError, why:
errors.append((srcname, dstname, str(why)))
def copyfile(src, dst):
"""
Copy src file to dst file preserving timestamps.
Ignore permissions and special files.
Similar to and derived from Python shutil module. See fileutils.py.ABOUT
for details.
"""
if not filetype.is_regular(src):
return
if not filetype.is_readable(src):
chmod(src, R, recurse=False)
if os.path.isdir(dst):
dst = os.path.join(dst, os.path.basename(src))
shutil.copyfile(src, dst)
copytime(src, dst)
def copyfile(src, dst):
"""
Copy src file to dst file preserving timestamps.
Ignore permissions and special files.
Similar to and derived from Python shutil module. See fileutils.py.ABOUT
for details.
"""
if not filetype.is_regular(src):
return
if not filetype.is_readable(src):
chmod(src, R, recurse=False)
if os.path.isdir(dst):
dst = os.path.join(dst, os.path.basename(src))
shutil.copyfile(src, dst)
copytime(src, dst)
