def default_copyfile(obj, mkdirs=False):
"""
copy a :class:`pkgcore.fs.fs.fsBase` to its stated location.
:param obj: :class:`pkgcore.fs.fs.fsBase` instance, exempting :class:`fsDir`
:return: true if success, else an exception is thrown
:raise EnvironmentError: permission errors
"""
existent = False
ensure_perms = get_plugin("fs_ops.ensure_perms")
if not fs.isfs_obj(obj):
raise TypeError("obj must be fsBase derivative: %r" % obj)
elif fs.isdir(obj):
raise TypeError("obj must not be a fsDir instance: %r" % obj)
try:
existing = gen_obj(obj.location)
if fs.isdir(existing):
raise CannotOverwrite(obj, existing)
existent = True
except OSError as oe:
# verify the parent dir is there at least
basefp = os.path.dirname(obj.location)
if basefp.strip(os.path.sep) and not os.path.exists(basefp):
if mkdirs:
if not ensure_dirs(basefp, mode=0750, minimal=True):
raise FailedCopy(obj, str(oe))
def default_copyfile(obj, mkdirs=False):
"""
copy a :class:`pkgcore.fs.fs.fsBase` to its stated location.
:param obj: :class:`pkgcore.fs.fs.fsBase` instance, exempting :class:`fsDir`
:return: true if success, else an exception is thrown
:raise EnvironmentError: permission errors
"""
existent = False
ensure_perms = get_plugin("fs_ops.ensure_perms")
if not fs.isfs_obj(obj):
raise TypeError("obj must be fsBase derivative: %r" % obj)
elif fs.isdir(obj):
raise TypeError("obj must not be a fsDir instance: %r" % obj)
try:
existing = gen_obj(obj.location)
if fs.isdir(existing):
raise CannotOverwrite(obj, existing)
existent = True
except OSError as oe:
# verify the parent dir is there at least
basefp = os.path.dirname(obj.location)
if basefp.strip(os.path.sep) and not os.path.exists(basefp):
if mkdirs:
if not ensure_dirs(basefp, mode=0750, minimal=True):
raise FailedCopy(obj, str(oe))
def default_copyfile(obj, mkdirs=False):
"""
copy a :class:`pkgcore.fs.fs.fsBase` to its stated location.
:param obj: :class:`pkgcore.fs.fs.fsBase` instance, exempting :class:`fsDir`
:return: true if success, else an exception is thrown
:raise EnvironmentError: permission errors
"""
existent = False
ensure_perms = get_plugin("fs_ops.ensure_perms")
if not fs.isfs_obj(obj):
raise TypeError(f'obj must be fsBase derivative: {obj!r}')
elif fs.isdir(obj):
raise TypeError(f'obj must not be a fsDir instance: {obj!r}')
try:
existing = gen_obj(obj.location)
if fs.isdir(existing):
raise CannotOverwrite(obj, existing)
existent = True
except OSError as oe:
# verify the parent dir is there at least
basefp = os.path.dirname(obj.location)
if basefp.strip(os.path.sep) and not os.path.exists(basefp):
if mkdirs:
if not ensure_dirs(basefp, mode=0o750, minimal=True):
raise FailedCopy(obj, str(oe))
else:
raise
existent = False
if not existent:
fp = obj.location
else:
fp = existent_fp = obj.location + "#new"
if fs.isreg(obj):
obj.data.transfer_to_path(fp)
elif fs.issym(obj):
os.symlink(obj.target, fp)
elif fs.isfifo(obj):
os.mkfifo(fp)
elif fs.isdev(obj):
dev = os.makedev(obj.major, obj.minor)
os.mknod(fp, obj.mode, dev)
else:
ret = spawn([CP_BINARY, "-Rp", obj.location, fp])
if ret != 0:
raise FailedCopy(obj, f'got {ret} from {CP_BINARY} -Rp')
ensure_perms(obj.change_attributes(location=fp))
if existent:
os.rename(existent_fp, obj.location)
return True
def add(self, obj):
"""
add a new fs obj to the set
:param obj: must be a derivative of :obj:`pkgcore.fs.fs.fsBase`
"""
if not self.mutable:
# weird, but keeping with set.
raise AttributeError(
f'{self.__class__} is frozen; no add functionality')
if not fs.isfs_obj(obj):
raise TypeError(f"'{obj}' is not a fs.fsBase class")
self._dict[obj.location] = obj
def add(self, obj):
"""
add a new fs obj to the set
:param obj: must be a derivative of :obj:`pkgcore.fs.fs.fsBase`
"""
if not self.mutable:
# weird, but keeping with set.
raise AttributeError(
"%s is frozen; no add functionality" % self.__class__)
if not fs.isfs_obj(obj):
raise TypeError("'%s' is not a fs.fsBase class" % str(obj))
self._dict[obj.location] = obj
def __delitem__(self, obj):
"""
remove a fs obj to the set
:type obj: a derivative of :obj:`pkgcore.fs.fs.fsBase`
or a string location of an obj in the set.
:raise KeyError: if the obj isn't found
"""
if not self.mutable:
# weird, but keeping with set.
raise AttributeError(
f'{self.__class__} is frozen; no remove functionality')
if fs.isfs_obj(obj):
del self._dict[obj.location]
else:
del self._dict[normpath(obj)]
def __delitem__(self, obj):
"""
remove a fs obj to the set
:type obj: a derivative of :obj:`pkgcore.fs.fs.fsBase`
or a string location of an obj in the set.
:raise KeyError: if the obj isn't found
"""
if not self.mutable:
# weird, but keeping with set.
raise AttributeError(
"%s is frozen; no remove functionality" % self.__class__)
if fs.isfs_obj(obj):
del self._dict[obj.location]
else:
del self._dict[normpath(obj)]
def __contains__(self, key):
if fs.isfs_obj(key):
return key.location in self._dict
return normpath(key) in self._dict
def __getitem__(self, obj):
if fs.isfs_obj(obj):
return self._dict[obj.location]
return self._dict[normpath(obj)]
def discard(self, obj):
if fs.isfs_obj(obj):
self._dict.pop(obj.location, None)
else:
self._dict.pop(obj, None)
def __contains__(self, key):
if fs.isfs_obj(key):
return key.location in self._dict
return normpath(key) in self._dict
def __getitem__(self, obj):
if fs.isfs_obj(obj):
return self._dict[obj.location]
return self._dict[normpath(obj)]
def discard(self, obj):
if fs.isfs_obj(obj):
self._dict.pop(obj.location, None)
else:
self._dict.pop(obj, None)
