def RunCommand(self):
"""Command entry point for the rm command."""
# self.recursion_requested is initialized in command.py (so it can be
# checked in parent class for all commands).
self.continue_on_error = self.parallel_operations
self.read_args_from_stdin = False
self.all_versions = False
if self.sub_opts:
for o, unused_a in self.sub_opts:
if o == '-a':
self.all_versions = True
elif o == '-f':
self.continue_on_error = True
elif o == '-I':
self.read_args_from_stdin = True
elif o == '-r' or o == '-R':
self.recursion_requested = True
self.all_versions = True
if self.read_args_from_stdin:
if self.args:
raise CommandException(
'No arguments allowed with the -I flag.')
url_strs = StdinIterator()
else:
if not self.args:
raise CommandException(
'The rm command (without -I) expects at '
'least one URL.')
url_strs = self.args
# Tracks if any deletes failed.
self.op_failure_count = 0
# Tracks if any buckets were missing.
self.bucket_not_found_count = 0
bucket_urls_to_delete = []
bucket_strings_to_delete = []
if self.recursion_requested:
bucket_fields = ['id']
for url_str in url_strs:
url = StorageUrlFromString(url_str)
if url.IsBucket() or url.IsProvider():
for blr in self.WildcardIterator(url_str).IterBuckets(
bucket_fields=bucket_fields):
bucket_urls_to_delete.append(blr.storage_url)
bucket_strings_to_delete.append(url_str)
self.preconditions = PreconditionsFromHeaders(self.headers or {})
try:
# Expand wildcards, dirs, buckets, and bucket subdirs in URLs.
name_expansion_iterator = NameExpansionIterator(
self.command_name,
self.debug,
self.logger,
self.gsutil_api,
url_strs,
self.recursion_requested,
project_id=self.project_id,
all_versions=self.all_versions,
continue_on_error=self.continue_on_error
or self.parallel_operations)
# Perform remove requests in parallel (-m) mode, if requested, using
# configured number of parallel processes and threads. Otherwise,
# perform requests with sequential function calls in current process.
self.Apply(
_RemoveFuncWrapper,
name_expansion_iterator,
_RemoveExceptionHandler,
fail_on_error=(not self.continue_on_error),
shared_attrs=['op_failure_count', 'bucket_not_found_count'])
# Assuming the bucket has versioning enabled, url's that don't map to
# objects should throw an error even with all_versions, since the prior
# round of deletes only sends objects to a history table.
# This assumption that rm -a is only called for versioned buckets should be
# corrected, but the fix is non-trivial.
except CommandException as e:
# Don't raise if there are buckets to delete -- it's valid to say:
# gsutil rm -r gs://some_bucket
# if the bucket is empty.
if not bucket_urls_to_delete and not self.continue_on_error:
raise
# Reset the failure count if we failed due to an empty bucket that we're
# going to delete.
msg = 'No URLs matched: '
if msg in str(e):
parts = str(e).split(msg)
if len(parts) == 2 and parts[1] in bucket_strings_to_delete:
ResetFailureCount()
else:
raise
except ServiceException, e:
if not self.continue_on_error:
raise
def RunCommand(self):
"""Command entry point for the rewrite command."""
self.continue_on_error = self.parallel_operations
self.read_args_from_stdin = False
self.no_preserve_acl = False
self.supported_transformation_flags = ['-k']
self.transform_types = []
self.op_failure_count = 0
self.current_encryption_tuple, self.current_encryption_sha256 = (
GetEncryptionTupleAndSha256Hash())
if self.sub_opts:
for o, unused_a in self.sub_opts:
if o == '-f':
self.continue_on_error = True
elif o == '-k':
self.transform_types.append(_TransformTypes.CRYPTO_KEY)
elif o == '-I':
self.read_args_from_stdin = True
elif o == '-O':
self.no_preserve_acl = True
elif o == '-r' or o == '-R':
self.recursion_requested = True
self.all_versions = True
if self.read_args_from_stdin:
if self.args:
raise CommandException(
'No arguments allowed with the -I flag.')
url_strs = StdinIterator()
else:
if not self.args:
raise CommandException(
'The rewrite command (without -I) expects at '
'least one URL.')
url_strs = self.args
if not self.transform_types:
raise CommandException(
'rewrite command requires at least one transformation flag. '
'Currently supported transformation flags: %s' %
self.supported_transformation_flags)
self.preconditions = PreconditionsFromHeaders(self.headers or {})
url_strs_generator = GenerationCheckGenerator(url_strs)
# Convert recursive flag to flat wildcard to avoid performing multiple
# listings.
if self.recursion_requested:
url_strs_generator = ConvertRecursiveToFlatWildcard(
url_strs_generator)
# Expand the source argument(s).
name_expansion_iterator = NameExpansionIterator(
self.command_name,
self.debug,
self.logger,
self.gsutil_api,
url_strs_generator,
self.recursion_requested,
project_id=self.project_id,
continue_on_error=self.continue_on_error
or self.parallel_operations)
seek_ahead_iterator = None
# Cannot seek ahead with stdin args, since we can only iterate them
# once without buffering in memory.
if not self.read_args_from_stdin:
# Perform the same recursive-to-flat conversion on original url_strs so
# that it is as true to the original iterator as possible.
seek_ahead_url_strs = ConvertRecursiveToFlatWildcard(url_strs)
seek_ahead_iterator = SeekAheadNameExpansionIterator(
self.command_name,
self.debug,
self.GetSeekAheadGsutilApi(),
seek_ahead_url_strs,
self.recursion_requested,
all_versions=self.all_versions,
project_id=self.project_id)
# Perform rewrite requests in parallel (-m) mode, if requested.
self.Apply(_RewriteFuncWrapper,
name_expansion_iterator,
_RewriteExceptionHandler,
fail_on_error=(not self.continue_on_error),
shared_attrs=['op_failure_count'],
seek_ahead_iterator=seek_ahead_iterator)
if self.op_failure_count:
plural_str = 's' if self.op_failure_count else ''
raise CommandException(
'%d file%s/object%s could not be rewritten.' %
(self.op_failure_count, plural_str, plural_str))
return 0