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opt/gsutil/gslib/commands/ls.py��0000644��00000065317�15025121717�0012563 0��ustar�00��# -- coding: utf-8 -- # Copyright 2011 Google Inc. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Implementation of Unix-like ls command for cloud storage providers.""" from __future__ import absolute_import from __future__ import print_function from __future__ import division from __future__ import unicode_literals import re import six from gslib.cloud_api import NotFoundException from gslib.command import Command from gslib.command_argument import CommandArgument from gslib.cs_api_map import ApiSelector from gslib.exception import CommandException from gslib.storage_url import ContainsWildcard from gslib.storage_url import StorageUrlFromString from gslib.utils.constants import NO_MAX from gslib.utils.constants import S3_DELETE_MARKER_GUID from gslib.utils.constants import UTF8 from gslib.utils.ls_helper import ENCRYPTED_FIELDS from gslib.utils.ls_helper import LsHelper from gslib.utils.ls_helper import PrintFullInfoAboutObject from gslib.utils.ls_helper import UNENCRYPTED_FULL_LISTING_FIELDS from gslib.utils.shim_util import GcloudStorageFlag from gslib.utils.shim_util import GcloudStorageMap from gslib.utils.text_util import InsistAscii from gslib.utils import text_util from gslib.utils.translation_helper import AclTranslation from gslib.utils.translation_helper import LabelTranslation from gslib.utils.unit_util import MakeHumanReadable # Regex that assists with converting JSON timestamp to ls-style output. # This excludes timestamp fractional seconds, for example: # 2013-07-03 20:32:53.048000+00:00 JSON_TIMESTAMP_RE = re.compile(r'([^\s])\s([^\.\+]).') _SYNOPSIS = """ gsutil ls [-a] [-b] [-d] [-l] [-L] [-r] [-p proj_id] url... """ _DETAILED_HELP_TEXT = (""" <B>SYNOPSIS</B> """ + _SYNOPSIS + """ <B>DESCRIPTION</B> Retrieves a list of providers, buckets, or objects matching the criteria, ordered in the list lexicographically by name. <B>LISTING PROVIDERS, BUCKETS, SUBDIRECTORIES, AND OBJECTS</B> If you run ``gsutil ls`` without URLs, it lists all of the Google Cloud Storage buckets under your default project ID (or all of the Cloud Storage buckets under the project you specify with the ``-p`` flag): gsutil ls If you specify one or more provider URLs, ``gsutil ls`` lists buckets at each listed provider: gsutil ls gs:// gsutil currently supports ``gs://`` and ``s3://`` as valid providers If you specify bucket URLs, or use `URI wildcards <https://cloud.google.com/storage/docs/wildcards>`_ to capture a set of buckets, ``gsutil ls`` lists objects at the top level of each bucket, along with the names of each subdirectory. For example: gsutil ls gs://bucket might produce output like: gs://bucket/obj1.htm gs://bucket/obj2.htm gs://bucket/images1/ gs://bucket/images2/ The "/" at the end of the last 2 URLs tells you they are subdirectories, which you can list using: gsutil ls gs://bucket/images If you specify object URLs, ``gsutil ls`` lists the specified objects. For example: gsutil ls gs://bucket/.txt lists all files whose name matches the above wildcard at the top level of the bucket. For more details, see `URI wildcards <https://cloud.google.com/storage/docs/wildcards>`_. <B>DIRECTORY BY DIRECTORY, FLAT, and RECURSIVE LISTINGS</B> Listing a bucket or subdirectory (as illustrated near the end of the previous section) only shows the objects and names of subdirectories it contains. You can list all objects in a bucket by using the -r option. For example: gsutil ls -r gs://bucket lists the top-level objects and buckets, then the objects and buckets under gs://bucket/images1, then those under gs://bucket/images2, etc. If you want to see all objects in the bucket in one "flat" listing use the recursive ("") wildcard, like: gsutil ls -r gs://bucket/* or, for a flat listing of a subdirectory: gsutil ls -r gs://bucket/dir/** If you want to see only the subdirectory itself, use the -d option: gsutil ls -d gs://bucket/dir <B>LISTING OBJECT DETAILS</B> If you specify the -l option, gsutil outputs additional information about each matching provider, bucket, subdirectory, or object. For example: gsutil ls -l gs://bucket/.html gs://bucket/.txt prints the object size, creation time stamp, and name of each matching object, along with the total count and sum of sizes of all matching objects: 2276224 2020-03-02T19:25:17Z gs://bucket/obj1.html 3914624 2020-03-02T19:30:27Z gs://bucket/obj2.html 131 2020-03-02T19:37:45Z gs://bucket/obj3.txt TOTAL: 3 objects, 6190979 bytes (5.9 MiB) Note that the total listed in parentheses above is in mebibytes (or gibibytes, tebibytes, etc.), which corresponds to the unit of billing measurement for Google Cloud Storage. You can get a listing of all the objects in the top-level bucket directory (along with the total count and sum of sizes) using a command like: gsutil ls -l gs://bucket To print additional detail about objects and buckets use the gsutil ls -L option. For example: gsutil ls -L gs://bucket/obj1 prints something like: gs://bucket/obj1: Creation time: Fri, 26 May 2017 22:55:44 GMT Update time: Tue, 18 Jul 2017 12:31:18 GMT Storage class: STANDARD Content-Length: 60183 Content-Type: image/jpeg Hash (crc32c): zlUhtg== Hash (md5): Bv86IAzFzrD1Z2io/c7yqA== ETag: 5ca67960a586723b7344afffc81 Generation: 1378862725952000 Metageneration: 1 ACL: [ { "entity": "project-owners-867484910061", "projectTeam": { "projectNumber": "867484910061", "team": "owners" }, "role": "OWNER" }, { "email": "jane@gmail.com", "entity": "user-jane@gmail.com", "role": "OWNER" } ] TOTAL: 1 objects, 60183 bytes (58.77 KiB) Note that results may contain additional fields, such as custom metadata or a storage class update time, if they are applicable to the object. Also note that some fields, such as update time, are not available with the (non-default) XML API. See also "gsutil help acl" for getting a more readable version of the ACL. <B>LISTING BUCKET DETAILS</B> If you want to see information about the bucket itself, use the -b option. For example: gsutil ls -L -b gs://bucket prints something like: gs://bucket/ : Storage class: STANDARD Location constraint: US Versioning enabled: False Logging configuration: None Website configuration: None CORS configuration: None Lifecycle configuration: None Requester Pays enabled: True Labels: None Default KMS key: None Time created: Thu, 14 Jan 2016 19:25:17 GMT Time updated: Thu, 08 Jun 2017 21:17:59 GMT Metageneration: 1 Bucket Policy Only enabled: False ACL: [ { "entity": "project-owners-867489160491", "projectTeam": { "projectNumber": "867489160491", "team": "owners" }, "role": "OWNER" } ] Default ACL: [ { "entity": "project-owners-867489160491", "projectTeam": { "projectNumber": "867489160491", "team": "owners" }, "role": "OWNER" } ] Note that some fields above (time created, time updated, metageneration) are not available with the (non-default) XML API. <B>OPTIONS</B> -l Prints long listing (owner, length). -L Prints even more detail than -l. Note: If you use this option with the (non-default) XML API it generates an additional request per object being listed, which makes the -L option run much more slowly and cost more than the default JSON API. -d List matching subdirectory names instead of contents, and do not recurse into matching subdirectories even if the -R option is specified. -b Prints info about the bucket when used with a bucket URL. -h When used with -l, prints object sizes in human readable format (e.g., 1 KiB, 234 MiB, 2 GiB, etc.) -p proj_id Specifies the project ID or project number to use for listing buckets. -R, -r Requests a recursive listing, performing at least one listing operation per subdirectory. If you have a large number of subdirectories and do not require recursive-style output ordering, you may be able to instead use wildcards to perform a flat listing, e.g. ``gsutil ls gs://mybucket/``, which generally performs fewer listing operations. -a Includes non-current object versions / generations in the listing (only useful with a versioning-enabled bucket). If combined with -l option also prints metageneration for each listed object. -e Include ETag in long listing (-l) output. """) class ListingStyle(object): """Enum class for specifying listing style.""" SHORT = 'SHORT' LONG = 'LONG' LONG_LONG = 'LONG_LONG' class LsCommand(Command): """Implementation of gsutil ls command.""" # Command specification. See base class for documentation. command_spec = Command.CreateCommandSpec( 'ls', command_name_aliases=[ 'dir', 'list', ], usage_synopsis=_SYNOPSIS, min_args=0, max_args=NO_MAX, supported_sub_args='aebdlLhp:rR', file_url_ok=False, provider_url_ok=True, urls_start_arg=0, gs_api_support=[ ApiSelector.XML, ApiSelector.JSON, ], gs_default_api=ApiSelector.JSON, argparse_arguments=[ CommandArgument.MakeZeroOrMoreCloudURLsArgument(), ], ) # Help specification. See help_provider.py for documentation. help_spec = Command.HelpSpec( help_name='ls', help_name_aliases=[ 'dir', 'list', ], help_type='command_help', help_one_line_summary='List providers, buckets, or objects', help_text=_DETAILED_HELP_TEXT, subcommand_help_text={}, ) # TODO(b/206151616) Add mappings for remaining flags. gcloud_storage_map = GcloudStorageMap( gcloud_command=['storage', 'ls', '--fetch-encrypted-object-hashes'], flag_map={ '-r': GcloudStorageFlag('-r'), '-R': GcloudStorageFlag('-r'), '-l': GcloudStorageFlag('-l'), '-L': GcloudStorageFlag('-L'), '-b': GcloudStorageFlag('-b'), '-e': GcloudStorageFlag('-e'), '-a': GcloudStorageFlag('-a'), '-h': GcloudStorageFlag('--readable-sizes'), '-p': GcloudStorageFlag('--project'), }, ) def _PrintBucketInfo(self, bucket_blr, listing_style): """Print listing info for given bucket. Args: bucket_blr: BucketListingReference for the bucket being listed listing_style: ListingStyle enum describing type of output desired. Returns: Tuple (total objects, total bytes) in the bucket. """ if (listing_style == ListingStyle.SHORT or listing_style == ListingStyle.LONG): text_util.print_to_fd(bucket_blr) return # listing_style == ListingStyle.LONG_LONG: # We're guaranteed by the caller that the root object is populated. bucket = bucket_blr.root_object location_constraint = bucket.location storage_class = bucket.storageClass fields = { 'bucket': bucket_blr.url_string, 'storage_class': storage_class, 'location_constraint': location_constraint, 'acl': AclTranslation.JsonFromMessage(bucket.acl), 'default_acl': AclTranslation.JsonFromMessage(bucket.defaultObjectAcl), 'versioning': bucket.versioning and bucket.versioning.enabled, 'website_config': 'Present' if bucket.website else 'None', 'logging_config': 'Present' if bucket.logging else 'None', 'cors_config': 'Present' if bucket.cors else 'None', 'lifecycle_config': 'Present' if bucket.lifecycle else 'None', 'requester_pays': bucket.billing and bucket.billing.requesterPays } if bucket.retentionPolicy: fields['retention_policy'] = 'Present' if bucket.labels: fields['labels'] = LabelTranslation.JsonFromMessage(bucket.labels, pretty_print=True) else: fields['labels'] = 'None' if bucket.encryption and bucket.encryption.defaultKmsKeyName: fields['default_kms_key'] = bucket.encryption.defaultKmsKeyName else: fields['default_kms_key'] = 'None' fields['encryption_config'] = 'Present' if bucket.encryption else 'None' # Fields not available in all APIs (e.g. the XML API) if bucket.autoclass and bucket.autoclass.enabled: fields['autoclass_enabled_date'] = ( bucket.autoclass.toggleTime.strftime('%a, %d %b %Y')) if bucket.locationType: fields['location_type'] = bucket.locationType if bucket.customPlacementConfig: fields['custom_placement_locations'] = ( bucket.customPlacementConfig.dataLocations) if bucket.metageneration: fields['metageneration'] = bucket.metageneration if bucket.timeCreated: fields['time_created'] = bucket.timeCreated.strftime( '%a, %d %b %Y %H:%M:%S GMT') if bucket.updated: fields['updated'] = bucket.updated.strftime('%a, %d %b %Y %H:%M:%S GMT') if bucket.defaultEventBasedHold: fields['default_eventbased_hold'] = bucket.defaultEventBasedHold if bucket.iamConfiguration: if bucket.iamConfiguration.bucketPolicyOnly: enabled = bucket.iamConfiguration.bucketPolicyOnly.enabled fields['bucket_policy_only_enabled'] = enabled if bucket.iamConfiguration.publicAccessPrevention: fields[ 'public_access_prevention'] = bucket.iamConfiguration.publicAccessPrevention if bucket.rpo: fields['rpo'] = bucket.rpo if bucket.satisfiesPZS: fields['satisfies_pzs'] = bucket.satisfiesPZS # For field values that are multiline, add indenting to make it look # prettier. for key in fields: previous_value = fields[key] if (not isinstance(previous_value, six.string_types) or '\n' not in previous_value): continue new_value = previous_value.replace('\n', '\n\t ') # Start multiline values on a new line if they aren't already. if not new_value.startswith('\n'): new_value = '\n\t ' + new_value fields[key] = new_value # Only display certain properties if the given API returned them (JSON API # returns many fields that the XML API does not). autoclass_line = '' location_type_line = '' custom_placement_locations_line = '' metageneration_line = '' time_created_line = '' time_updated_line = '' default_eventbased_hold_line = '' retention_policy_line = '' bucket_policy_only_enabled_line = '' public_access_prevention_line = '' rpo_line = '' satisifies_pzs_line = '' if 'autoclass_enabled_date' in fields: autoclass_line = '\tAutoclass:\t\t\tEnabled on {autoclass_enabled_date}\n' if 'location_type' in fields: location_type_line = '\tLocation type:\t\t\t{location_type}\n' if 'custom_placement_locations' in fields: custom_placement_locations_line = ( '\tPlacement locations:\t\t{custom_placement_locations}\n') if 'metageneration' in fields: metageneration_line = '\tMetageneration:\t\t\t{metageneration}\n' if 'time_created' in fields: time_created_line = '\tTime created:\t\t\t{time_created}\n' if 'updated' in fields: time_updated_line = '\tTime updated:\t\t\t{updated}\n' if 'default_eventbased_hold' in fields: default_eventbased_hold_line = ( '\tDefault Event-Based Hold:\t{default_eventbased_hold}\n') if 'retention_policy' in fields: retention_policy_line = '\tRetention Policy:\t\t{retention_policy}\n' if 'bucket_policy_only_enabled' in fields: bucket_policy_only_enabled_line = ('\tBucket Policy Only enabled:\t' '{bucket_policy_only_enabled}\n') if 'public_access_prevention' in fields: public_access_prevention_line = ('\tPublic access prevention:\t' '{public_access_prevention}\n') if 'rpo' in fields: rpo_line = ('\tRPO:\t\t\t\t{rpo}\n') if 'satisfies_pzs' in fields: satisifies_pzs_line = '\tSatisfies PZS:\t\t\t{satisfies_pzs}\n' text_util.print_to_fd( ('{bucket} :\n' '\tStorage class:\t\t\t{storage_class}\n' + location_type_line + '\tLocation constraint:\t\t{location_constraint}\n' + custom_placement_locations_line + '\tVersioning enabled:\t\t{versioning}\n' '\tLogging configuration:\t\t{logging_config}\n' '\tWebsite configuration:\t\t{website_config}\n' '\tCORS configuration: \t\t{cors_config}\n' '\tLifecycle configuration:\t{lifecycle_config}\n' '\tRequester Pays enabled:\t\t{requester_pays}\n' + retention_policy_line + default_eventbased_hold_line + '\tLabels:\t\t\t\t{labels}\n' + '\tDefault KMS key:\t\t{default_kms_key}\n' + time_created_line + time_updated_line + metageneration_line + bucket_policy_only_enabled_line + autoclass_line + public_access_prevention_line + rpo_line + satisifies_pzs_line + '\tACL:\t\t\t\t{acl}\n' '\tDefault ACL:\t\t\t{default_acl}').format(fields)) if bucket_blr.storage_url.scheme == 's3': text_util.print_to_fd( 'Note: this is an S3 bucket so configuration values may be ' 'blank. To retrieve bucket configuration values, use ' 'individual configuration commands such as gsutil acl get ' '<bucket>.') def _PrintLongListing(self, bucket_listing_ref): """Prints an object with ListingStyle.LONG.""" obj = bucket_listing_ref.root_object url_str = bucket_listing_ref.url_string if (obj.metadata and S3_DELETE_MARKER_GUID in obj.metadata.additionalProperties): size_string = '0' num_bytes = 0 num_objs = 0 url_str += '<DeleteMarker>' else: size_string = (MakeHumanReadable(obj.size) if self.human_readable else str(obj.size)) num_bytes = obj.size num_objs = 1 timestamp = JSON_TIMESTAMP_RE.sub(r'\1T\2Z', str(obj.timeCreated)) printstr = '%(size)10s %(timestamp)s %(url)s' encoded_etag = None encoded_metagen = None if self.all_versions: printstr += ' metageneration=%(metageneration)s' encoded_metagen = str(obj.metageneration) if self.include_etag: printstr += ' etag=%(etag)s' encoded_etag = obj.etag format_args = { 'size': size_string, 'timestamp': timestamp, 'url': url_str, 'metageneration': encoded_metagen, 'etag': encoded_etag } text_util.print_to_fd(printstr % format_args) return (num_objs, num_bytes) def RunCommand(self): """Command entry point for the ls command.""" got_nomatch_errors = False got_bucket_nomatch_errors = False listing_style = ListingStyle.SHORT get_bucket_info = False self.recursion_requested = False self.all_versions = False self.include_etag = False self.human_readable = False self.list_subdir_contents = True if self.sub_opts: for o, a in self.sub_opts: if o == '-a': self.all_versions = True elif o == '-e': self.include_etag = True elif o == '-b': get_bucket_info = True elif o == '-h': self.human_readable = True elif o == '-l': listing_style = ListingStyle.LONG elif o == '-L': listing_style = ListingStyle.LONG_LONG elif o == '-p': # Project IDs are sent as header values when using gs and s3 XML APIs. InsistAscii(a, 'Invalid non-ASCII character found in project ID') self.project_id = a elif o == '-r' or o == '-R': self.recursion_requested = True elif o == '-d': self.list_subdir_contents = False if not self.args: # default to listing all gs buckets self.args = ['gs://'] total_objs = 0 total_bytes = 0 def MaybePrintBucketHeader(blr): if len(self.args) > 1: text_util.print_to_fd('%s:' % six.ensure_text(blr.url_string)) print_bucket_header = MaybePrintBucketHeader for url_str in self.args: storage_url = StorageUrlFromString(url_str) if storage_url.IsFileUrl(): raise CommandException('Only cloud URLs are supported for %s' % self.command_name) bucket_fields = None if (listing_style == ListingStyle.SHORT or listing_style == ListingStyle.LONG): bucket_fields = ['id'] elif listing_style == ListingStyle.LONG_LONG: bucket_fields = [ 'acl', 'autoclass', 'billing', 'cors', 'customPlacementConfig', 'defaultObjectAcl', 'encryption', 'iamConfiguration', 'labels', 'location', 'locationType', 'logging', 'lifecycle', 'metageneration', 'retentionPolicy', 'defaultEventBasedHold', 'rpo', 'satisfiesPZS', 'storageClass', 'timeCreated', 'updated', 'versioning', 'website', ] if storage_url.IsProvider(): # Provider URL: use bucket wildcard to list buckets. for blr in self.WildcardIterator( '%s://*' % storage_url.scheme).IterBuckets(bucket_fields=bucket_fields): self._PrintBucketInfo(blr, listing_style) elif storage_url.IsBucket() and get_bucket_info: # ls -b bucket listing request: List info about bucket(s). total_buckets = 0 for blr in self.WildcardIterator(url_str).IterBuckets( bucket_fields=bucket_fields): if not ContainsWildcard(url_str) and not blr.root_object: # Iterator does not make an HTTP call for non-wildcarded # listings with fields=='id'. Ensure the bucket exists by calling # GetBucket. self.gsutil_api.GetBucket(blr.storage_url.bucket_name, fields=['id'], provider=storage_url.scheme) self._PrintBucketInfo(blr, listing_style) total_buckets += 1 if not ContainsWildcard(url_str) and not total_buckets: got_bucket_nomatch_errors = True else: # URL names a bucket, object, or object subdir -> # list matching object(s) / subdirs. def _PrintPrefixLong(blr): text_util.print_to_fd('%-33s%s' % ('', six.ensure_text(blr.url_string))) if listing_style == ListingStyle.SHORT: # ls helper by default readies us for a short listing. listing_helper = LsHelper( self.WildcardIterator, self.logger, all_versions=self.all_versions, print_bucket_header_func=print_bucket_header, should_recurse=self.recursion_requested, list_subdir_contents=self.list_subdir_contents) elif listing_style == ListingStyle.LONG: bucket_listing_fields = [ 'name', 'size', 'timeCreated', 'updated', ] if self.all_versions: bucket_listing_fields.extend([ 'generation', 'metageneration', ]) if self.include_etag: bucket_listing_fields.append('etag') listing_helper = LsHelper( self.WildcardIterator, self.logger, print_object_func=self._PrintLongListing, print_dir_func=_PrintPrefixLong, print_bucket_header_func=print_bucket_header, all_versions=self.all_versions, should_recurse=self.recursion_requested, fields=bucket_listing_fields, list_subdir_contents=self.list_subdir_contents) elif listing_style == ListingStyle.LONG_LONG: # List all fields bucket_listing_fields = (UNENCRYPTED_FULL_LISTING_FIELDS + ENCRYPTED_FIELDS) listing_helper = LsHelper( self.WildcardIterator, self.logger, print_object_func=PrintFullInfoAboutObject, print_dir_func=_PrintPrefixLong, print_bucket_header_func=print_bucket_header, all_versions=self.all_versions, should_recurse=self.recursion_requested, fields=bucket_listing_fields, list_subdir_contents=self.list_subdir_contents) else: raise CommandException('Unknown listing style: %s' % listing_style) exp_dirs, exp_objs, exp_bytes = ( listing_helper.ExpandUrlAndPrint(storage_url)) if storage_url.IsObject() and exp_objs == 0 and exp_dirs == 0: got_nomatch_errors = True total_bytes += exp_bytes total_objs += exp_objs if total_objs and listing_style != ListingStyle.SHORT: text_util.print_to_fd( 'TOTAL: %d objects, %d bytes (%s)' % (total_objs, total_bytes, MakeHumanReadable(float(total_bytes)))) if got_nomatch_errors: raise CommandException('One or more URLs matched no objects.') if got_bucket_nomatch_errors: raise NotFoundException('One or more bucket URLs matched no buckets.') return 0 ��

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