def remove(self, auto_confirm=False, verbose=False):
"""Remove paths in ``self.paths`` with confirmation (unless
``auto_confirm`` is True)."""
if not self.paths:
logger.info(
"Can't uninstall '%s'. No files were found to uninstall.",
self.dist.project_name,
)
return
dist_name_version = (self.dist.project_name + "-" + self.dist.version)
logger.info('Uninstalling %s:', dist_name_version)
with indent_log():
if auto_confirm or self._allowed_to_proceed(verbose):
self.save_dir.create()
for path in sorted(compact(self.paths)):
new_path = self._stash(path)
logger.debug('Removing file or directory %s', path)
self._moved_paths.append(path)
renames(path, new_path)
for pth in self.pth.values():
pth.remove()
logger.info('Successfully uninstalled %s', dist_name_version)
def remove(self, auto_confirm=False, verbose=False):
"""Remove paths in ``self.paths`` with confirmation (unless
``auto_confirm`` is True)."""
if not self.paths:
logger.info(
"Can't uninstall '%s'. No files were found to uninstall.",
self.dist.project_name,
)
return
dist_name_version = (
self.dist.project_name + "-" + self.dist.version
)
logger.info('Uninstalling %s:', dist_name_version)
with indent_log():
if auto_confirm or self._allowed_to_proceed(verbose):
self.save_dir.create()
for path in sorted(compact(self.paths)):
new_path = self._stash(path)
logger.debug('Removing file or directory %s', path)
self._moved_paths.append(path)
renames(path, new_path)
for pth in self.pth.values():
pth.remove()
logger.info('Successfully uninstalled %s', dist_name_version)
def rollback(self):
"""Rollback the changes previously made by remove()."""
if self.save_dir.path is None:
logger.error(
"Can't roll back %s; was not uninstalled",
self.dist.project_name,
)
return False
logger.info('Rolling back uninstall of %s', self.dist.project_name)
for path in self._moved_paths:
tmp_path = self._stash(path)
logger.debug('Replacing %s', path)
renames(tmp_path, path)
for pth in self.pth.values():
pth.rollback()
def rollback(self):
"""Rollback the changes previously made by remove()."""
if self.save_dir.path is None:
logger.error(
"Can't roll back %s; was not uninstalled",
self.dist.project_name,
)
return False
logger.info('Rolling back uninstall of %s', self.dist.project_name)
for path in self._moved_paths:
tmp_path = self._stash(path)
logger.debug('Replacing %s', path)
renames(tmp_path, path)
for pth in self.pth.values():
pth.rollback()
def rollback(self) -> None:
"""Undoes the uninstall by moving stashed files back."""
for p in self._moves:
logger.info("Moving to %s\n from %s", *p)
for new_path, path in self._moves:
try:
logger.debug('Replacing %s from %s', new_path, path)
if os.path.isfile(new_path) or os.path.islink(new_path):
os.unlink(new_path)
elif os.path.isdir(new_path):
rmtree(new_path)
renames(path, new_path)
except OSError as ex:
logger.error("Failed to restore %s", new_path)
logger.debug("Exception: %s", ex)
self.commit()
def stash(self, path):
"""Stashes the directory or file and returns its new location.
"""
if os.path.isdir(path):
new_path = self._get_directory_stash(path)
else:
new_path = self._get_file_stash(path)
self._moves.append((path, new_path))
if os.path.isdir(path) and os.path.isdir(new_path):
# If we're moving a directory, we need to
# remove the destination first or else it will be
# moved to inside the existing directory.
# We just created new_path ourselves, so it will
# be removable.
os.rmdir(new_path)
renames(path, new_path)
return new_path
def stash(self, path: str) -> str:
"""Stashes the directory or file and returns its new location.
Handle symlinks as files to avoid modifying the symlink targets.
"""
path_is_dir = os.path.isdir(path) and not os.path.islink(path)
if path_is_dir:
new_path = self._get_directory_stash(path)
else:
new_path = self._get_file_stash(path)
self._moves.append((path, new_path))
if (path_is_dir and os.path.isdir(new_path)):
# If we're moving a directory, we need to
# remove the destination first or else it will be
# moved to inside the existing directory.
# We just created new_path ourselves, so it will
# be removable.
os.rmdir(new_path)
renames(path, new_path)
return new_path