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#!/usr/bin/env python |
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|
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from getpass import getuser |
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from optparse import OptionParser |
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from os.path import basename |
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from sys import argv, exit, stdin, stdout |
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from pithos.lib.client import Client, Fault |
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|
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import json |
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import logging |
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import types |
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|
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DEFAULT_HOST = '127.0.0.1:8000' |
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DEFAULT_API = 'v1' |
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|
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_cli_commands = {}
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|
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def cli_command(*args): |
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def decorator(cls): |
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cls.commands = args |
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for name in args: |
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_cli_commands[name] = cls |
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return cls |
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return decorator |
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|
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def class_for_cli_command(name): |
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return _cli_commands[name] |
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|
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class Command(object): |
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def __init__(self, argv): |
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parser = OptionParser() |
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parser.add_option('--host', dest='host', metavar='HOST',
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default=DEFAULT_HOST, help='use server HOST') |
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parser.add_option('--user', dest='user', metavar='USERNAME',
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default=getuser(), help='use account USERNAME') |
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parser.add_option('--api', dest='api', metavar='API',
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default=DEFAULT_API, help='use api API') |
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parser.add_option('-v', action='store_true', dest='verbose',
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default=False, help='use verbose output') |
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parser.add_option('-d', action='store_true', dest='debug',
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default=False, help='use debug output') |
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self.add_options(parser) |
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options, args = parser.parse_args(argv) |
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|
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# Add options to self |
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for opt in parser.option_list: |
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key = opt.dest |
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if key: |
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val = getattr(options, key) |
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setattr(self, key, val) |
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|
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self.client = Client(self.host, self.user, self.api, self.verbose, |
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self.debug) |
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|
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self.parser = parser |
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self.args = args |
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|
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def add_options(self, parser): |
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pass |
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|
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def execute(self, *args): |
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pass |
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|
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@cli_command('list', 'ls')
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class List(Command): |
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syntax = '[<container>[/<object>]]' |
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description = 'list containers or objects' |
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|
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def add_options(self, parser): |
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parser.add_option('-l', action='store_true', dest='detail',
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default=False, help='show detailed output') |
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parser.add_option('-n', action='store', type='int', dest='limit',
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default=1000, help='show limited output') |
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parser.add_option('--marker', action='store', type='str',
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dest='marker', default=None, |
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help='show output greater then marker') |
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parser.add_option('--prefix', action='store', type='str',
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dest='prefix', default=None, |
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help='show output starting with prefix') |
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parser.add_option('--delimiter', action='store', type='str',
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dest='delimiter', default=None, |
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help='show output up to the delimiter') |
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parser.add_option('--path', action='store', type='str',
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dest='path', default=None, |
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help='show output starting with prefix up to /') |
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parser.add_option('--meta', action='store', type='str',
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dest='meta', default=None, |
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help='show output having the specified meta keys') |
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parser.add_option('--if-modified-since', action='store', type='str',
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dest='if_modified_since', default=None, |
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help='show output if modified since then') |
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parser.add_option('--if-unmodified-since', action='store', type='str',
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dest='if_unmodified_since', default=None, |
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help='show output if not modified since then') |
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|
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def execute(self, container=None): |
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if container: |
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self.list_objects(container) |
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else: |
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self.list_containers() |
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|
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def list_containers(self): |
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params = {'limit':self.limit, 'marker':self.marker}
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headers = {'IF_MODIFIED_SINCE':self.if_modified_since,
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'IF_UNMODIFIED_SINCE':self.if_unmodified_since} |
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l = self.client.list_containers(self.detail, params, headers) |
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print_list(l) |
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|
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def list_objects(self, container): |
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params = {'limit':self.limit, 'marker':self.marker,
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'prefix':self.prefix, 'delimiter':self.delimiter, |
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'path':self.path, 'meta':self.meta} |
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headers = {'IF_MODIFIED_SINCE':self.if_modified_since,
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'IF_UNMODIFIED_SINCE':self.if_unmodified_since} |
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l = self.client.list_objects(container, self.detail, params, headers) |
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print_list(l) |
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|
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@cli_command('meta')
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class Meta(Command): |
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syntax = '[<container>[/<object>]]' |
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description = 'get the metadata of an account, a container or an object' |
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|
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def execute(self, path=''): |
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container, sep, object = path.partition('/')
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if object: |
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meta = self.client.retrieve_object_metadata(container, object) |
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elif container: |
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meta = self.client.retrieve_container_metadata(container) |
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else: |
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meta = self.client.account_metadata() |
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if meta == None: |
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print 'Entity does not exist' |
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else: |
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print_dict(meta, header=None) |
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|
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@cli_command('create')
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class CreateContainer(Command): |
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syntax = '<container> [key=val] [...]' |
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description = 'create a container' |
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|
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def execute(self, container, *args): |
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headers = {}
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for arg in args: |
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key, sep, val = arg.partition('=')
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headers['X_CONTAINER_META_%s' %key.strip().upper()] = val.strip() |
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ret = self.client.create_container(container, headers) |
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if not ret: |
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print 'Container already exists' |
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|
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@cli_command('delete', 'rm')
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class Delete(Command): |
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syntax = '<container>[/<object>]' |
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description = 'delete a container or an object' |
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|
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def execute(self, path): |
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container, sep, object = path.partition('/')
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if object: |
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self.client.delete_object(container, object) |
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else: |
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self.client.delete_container(container) |
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|
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@cli_command('get')
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class GetObject(Command): |
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syntax = '<container>/<object>' |
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description = 'get the data of an object' |
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|
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def add_options(self, parser): |
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parser.add_option('-l', action='store_true', dest='detail',
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default=False, help='show detailed output') |
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parser.add_option('--range', action='store', dest='range',
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default=None, help='show range of data') |
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parser.add_option('--if-match', action='store', dest='if-match',
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default=None, help='show output if ETags match') |
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parser.add_option('--if-none-match', action='store',
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dest='if-none-match', default=None, |
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help='show output if ETags don\'t match') |
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parser.add_option('--if-modified-since', action='store', type='str',
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dest='if-modified-since', default=None, |
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help='show output if modified since then') |
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parser.add_option('--if-unmodified-since', action='store', type='str',
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dest='if-unmodified-since', default=None, |
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help='show output if not modified since then') |
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parser.add_option('-f', action='store', type='str',
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dest='file', default=None, |
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help='save output in file') |
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|
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def execute(self, path): |
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headers = {}
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if self.range: |
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headers['RANGE'] = 'bytes=%s' %self.range |
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attrs = ['if-match', 'if-none-match', 'if-modified-since', |
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'if-unmodified-since'] |
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attrs = [a for a in attrs if getattr(self, a)] |
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for a in attrs: |
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headers[a.replace('-', '_').upper()] = getattr(self, a)
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container, sep, object = path.partition('/')
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data = self.client.retrieve_object(container, object, self.detail, |
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headers) |
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if self.file: |
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if self.detail: |
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f = self.file and open(self.file, 'w') or stdout |
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data = json.loads(data) |
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print_dict(data, f=f) |
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else: |
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fw = open(self.file, 'w') |
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fw.write(data) |
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fw.close() |
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else: |
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print data |
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|
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@cli_command('put')
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class PutObject(Command): |
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syntax = '<container>/<object> <path> [key=val] [...]' |
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description = 'create/override object with path contents or standard input' |
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|
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def add_options(self, parser): |
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parser.add_option('--chunked', action='store_true', dest='chunked',
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default=False, help='set chunked transfer mode') |
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parser.add_option('--etag', action='store', dest='etag',
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default=None, help='check written data') |
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parser.add_option('--content-encoding', action='store',
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dest='content-encoding', default=None, |
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help='provide the object MIME content type') |
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parser.add_option('--content-disposition', action='store', type='str',
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dest='content-disposition', default=None, |
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help='provide the presentation style of the object') |
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parser.add_option('--manifest', action='store', type='str',
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dest='manifest', default=None, |
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help='use for large file support') |
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|
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def execute(self, path, srcpath, *args): |
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headers = {}
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if self.manifest: |
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headers['X_OBJECT_MANIFEST'] = self.manifest |
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|
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attrs = ['etag', 'content-encoding', 'content-disposition'] |
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attrs = [a for a in attrs if getattr(self, a)] |
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for a in attrs: |
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headers[a.replace('-', '_').upper()] = getattr(self, a)
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|
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#prepare user defined meta |
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for arg in args: |
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key, sep, val = arg.partition('=')
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headers['X_OBJECT_META_%s' %key.strip().upper()] = val.strip() |
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|
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container, sep, object = path.partition('/')
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|
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f = srcpath != '-' and open(srcpath) or stdin |
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chunked = (self.chunked or f == stdin) and True or False |
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self.client.create_object(container, object, f, chunked=chunked, |
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headers=headers) |
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f.close() |
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|
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@cli_command('copy', 'cp')
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class CopyObject(Command): |
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syntax = '<src container>/<src object> [<dst container>/]<dst object>' |
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description = 'copies an object to a different location' |
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|
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def execute(self, src, dst): |
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src_container, sep, src_object = src.partition('/')
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dst_container, sep, dst_object = dst.partition('/')
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if not sep: |
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dst_container = src_container |
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dst_object = dst |
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self.client.copy_object(src_container, src_object, dst_container, |
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dst_object) |
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|
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@cli_command('set')
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class SetMeta(Command): |
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syntax = '[<container>[/<object>]] key=val [key=val] [...]' |
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description = 'set metadata' |
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|
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def execute(self, path, *args): |
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#in case of account fix the args |
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if path.find('=') != -1:
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args = list(args) |
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args.append(path) |
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args = tuple(args) |
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path = '' |
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meta = {}
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for arg in args: |
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key, sep, val = arg.partition('=')
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meta[key.strip()] = val.strip() |
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container, sep, object = path.partition('/')
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if object: |
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self.client.update_object_metadata(container, object, **meta) |
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elif container: |
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self.client.update_container_metadata(container, **meta) |
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else: |
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self.client.update_account_metadata(**meta) |
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|
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@cli_command('update')
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class UpdateObject(Command): |
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syntax = '<container>/<object> path [key=val] [...]' |
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description = 'update object metadata/data' |
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|
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def add_options(self, parser): |
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parser.add_option('-a', action='store_true', dest='append',
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default=None, help='append data') |
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parser.add_option('--start', action='store',
|
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dest='start', |
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default=None, help='range of data to be updated') |
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parser.add_option('--range', action='store', dest='content-range',
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default=None, help='range of data to be updated') |
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parser.add_option('--chunked', action='store_true', dest='chunked',
|
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default=False, help='set chunked transfer mode') |
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parser.add_option('--content-encoding', action='store',
|
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dest='content-encoding', default=None, |
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help='provide the object MIME content type') |
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parser.add_option('--content-disposition', action='store', type='str',
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dest='content-disposition', default=None, |
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help='provide the presentation style of the object') |
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parser.add_option('--manifest', action='store', type='str',
|
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dest='manifest', default=None, |
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help='use for large file support') |
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|
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def execute(self, path, srcpath, *args): |
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headers = {}
|
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if self.manifest: |
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headers['X_OBJECT_MANIFEST'] = self.manifest |
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|
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if self.append: |
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headers['CONTENT_RANGE'] = 'bytes */*' |
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elif self.start: |
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headers['CONTENT_RANGE'] = 'bytes %s-/*' % self.first-byte-pos |
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|
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attrs = ['content-encoding', 'content-disposition'] |
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attrs = [a for a in attrs if getattr(self, a)] |
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for a in attrs: |
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headers[a.replace('-', '_').upper()] = getattr(self, a)
|
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|
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#prepare user defined meta |
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for arg in args: |
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key, sep, val = arg.partition('=')
|
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headers['X_OBJECT_META_%s' %key.strip().upper()] = val.strip() |
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|
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container, sep, object = path.partition('/')
|
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|
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f = srcpath != '-' and open(srcpath) or stdin |
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chunked = (self.chunked or f == stdin) and True or False |
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self.client.update_object(container, object, f, chunked=chunked, |
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headers=headers) |
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f.close() |
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|
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@cli_command('move', 'mv')
|
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class MoveObject(Command): |
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syntax = '<src container>/<src object> [<dst container>/]<dst object>' |
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description = 'moves an object to a different location' |
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|
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def execute(self, src, dst): |
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src_container, sep, src_object = src.partition('/')
|
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dst_container, sep, dst_object = dst.partition('/')
|
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if not sep: |
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dst_container = src_container |
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dst_object = dst |
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self.client.move_object(src_container, src_object, dst_container, |
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dst_object) |
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|
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def print_usage(): |
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cmd = Command([]) |
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parser = cmd.parser |
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parser.usage = '%prog <command> [options]' |
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parser.print_help() |
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|
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commands = [] |
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for cls in set(_cli_commands.values()): |
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name = ', '.join(cls.commands) |
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description = getattr(cls, 'description', '') |
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commands.append(' %s %s' % (name.ljust(12), description))
|
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print '\nCommands:\n' + '\n'.join(sorted(commands)) |
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|
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def print_dict(d, header='name', f=stdout): |
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header = header in d and header or 'subdir' |
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if header and header in d: |
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f.write('%s\n' %d.pop(header))
|
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for key, val in sorted(d.items()): |
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f.write('%s: %s\n' % (key.rjust(15), val))
|
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|
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def print_list(l, verbose=False, f=stdout): |
| 380 |
for elem in l: |
| 381 |
#if it's empty string continue |
| 382 |
if not elem: |
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continue |
| 384 |
if type(elem) == types.DictionaryType: |
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print_dict(elem, f=f) |
| 386 |
elif type(elem) == types.StringType: |
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if not verbose: |
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elem = elem.split('Traceback')[0]
|
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f.write('%s\n' % elem)
|
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else: |
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f.write('%s\n' % elem)
|
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|
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def main(): |
| 394 |
try: |
| 395 |
name = argv[1] |
| 396 |
cls = class_for_cli_command(name) |
| 397 |
except (IndexError, KeyError): |
| 398 |
print_usage() |
| 399 |
exit(1) |
| 400 |
|
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cmd = cls(argv[2:]) |
| 402 |
|
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cmd.execute(*cmd.args) |
| 404 |
|
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#try: |
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# cmd.execute(*cmd.args) |
| 407 |
#except TypeError: |
| 408 |
# cmd.parser.usage = '%%prog %s [options] %s' % (name, cmd.syntax) |
| 409 |
# cmd.parser.print_help() |
| 410 |
# exit(1) |
| 411 |
#except Fault, f: |
| 412 |
# print f.data |
| 413 |
|
| 414 |
if __name__ == '__main__': |
| 415 |
main() |