python-gitlab/gitlab/__init__.py at rework_api · savegame/python-gitlab · GitHub

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# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public License

# along with this program. If not, see <http://www.gnu.org/licenses/>.

"""Wrapper for the GitLab API."""

from __future__ import print_function

from __future__ import absolute_import

import importlib

import inspect

import itertools

import json

import re

import warnings

import requests

import six

import gitlab.config

from gitlab.const import * # noqa

from gitlab.exceptions import * # noqa

from gitlab.v3.objects import * # noqa

__title__ = 'python-gitlab'

__version__ = '0.21.2'

__author__ = 'Gauvain Pocentek'

__email__ = 'gauvain@pocentek.net'

__license__ = 'LGPL3'

warnings.filterwarnings('default', category=DeprecationWarning,

module='^gitlab')

def _sanitize(value):

if isinstance(value, dict):

return dict((k, _sanitize(v))

for k, v in six.iteritems(value))

if isinstance(value, six.string_types):

return value.replace('/', '%2F')

return value

class Gitlab(object):

"""Represents a GitLab server connection.

Args:

url (str): The URL of the GitLab server.

private_token (str): The user private token

email (str): The user email or login.

password (str): The user password (associated with email).

ssl_verify (bool): Whether SSL certificates should be validated.

timeout (float): Timeout to use for requests to the GitLab server.

http_username (str): Username for HTTP authentication

http_password (str): Password for HTTP authentication

api_version (str): Gitlab API version to use (3 or 4)

"""

def __init__(self, url, private_token=None, email=None, password=None,

ssl_verify=True, http_username=None, http_password=None,

timeout=None, api_version='3', session=None):

self._api_version = str(api_version)

self._url = '%s/api/v%s' % (url, api_version)

#: Timeout to use for requests to gitlab server

self.timeout = timeout

#: Headers that will be used in request to GitLab

self.headers = {}

self._set_token(private_token)

#: The user email

self.email = email

#: The user password (associated with email)

self.password = password

#: Whether SSL certificates should be validated

self.ssl_verify = ssl_verify

self.http_username = http_username

self.http_password = http_password

#: Create a session object for requests

self.session = session or requests.Session()

objects = importlib.import_module('gitlab.v%s.objects' %

self._api_version)

self._objects = objects

self.broadcastmessages = objects.BroadcastMessageManager(self)

self.deploykeys = objects.DeployKeyManager(self)

self.gitlabciymls = objects.GitlabciymlManager(self)

self.gitignores = objects.GitignoreManager(self)

self.groups = objects.GroupManager(self)

self.hooks = objects.HookManager(self)

self.issues = objects.IssueManager(self)

self.licenses = objects.LicenseManager(self)

self.namespaces = objects.NamespaceManager(self)

self.notificationsettings = objects.NotificationSettingsManager(self)

self.projects = objects.ProjectManager(self)

self.runners = objects.RunnerManager(self)

self.settings = objects.ApplicationSettingsManager(self)

self.sidekiq = objects.SidekiqManager(self)

self.snippets = objects.SnippetManager(self)

self.users = objects.UserManager(self)

self.todos = objects.TodoManager(self)

if self._api_version == '3':

self.keys = objects.KeyManager(self)

self.teams = objects.TeamManager(self)

else:

self.dockerfiles = objects.DockerfileManager(self)

if self._api_version == '3':

# build the "submanagers"

for parent_cls in six.itervalues(vars(objects)):

if (not inspect.isclass(parent_cls)

or not issubclass(parent_cls, objects.GitlabObject)

or parent_cls == objects.CurrentUser):

continue

if not parent_cls.managers:

continue

for var, cls_name, attrs in parent_cls.managers:

prefix = self._cls_to_manager_prefix(parent_cls)

var_name = '%s_%s' % (prefix, var)

manager = getattr(objects, cls_name)(self)

setattr(self, var_name, manager)

@property

def api_version(self):

return self._api_version

def _cls_to_manager_prefix(self, cls):

# Manage bad naming decisions

camel_case = (cls.__name__

.replace('NotificationSettings', 'Notificationsettings')

.replace('MergeRequest', 'Mergerequest')

.replace('AccessRequest', 'Accessrequest'))

return re.sub(r'(.)([A-Z])', r'\1_\2', camel_case).lower()

@staticmethod

def from_config(gitlab_id=None, config_files=None):

"""Create a Gitlab connection from configuration files.

Args:

gitlab_id (str): ID of the configuration section.

config_files list[str]: List of paths to configuration files.

Returns:

(gitlab.Gitlab): A Gitlab connection.

Raises:

gitlab.config.GitlabDataError: If the configuration is not correct.

"""

config = gitlab.config.GitlabConfigParser(gitlab_id=gitlab_id,

config_files=config_files)

return Gitlab(config.url, private_token=config.token,

ssl_verify=config.ssl_verify, timeout=config.timeout,

http_username=config.http_username,

http_password=config.http_password,

api_version=config.api_version)

def auth(self):

"""Performs an authentication.

Uses either the private token, or the email/password pair.

The `user` attribute will hold a `gitlab.objects.CurrentUser` object on

success.

"""

if self.private_token:

self._token_auth()

else:

self._credentials_auth()

def credentials_auth(self):

"""Performs an authentication using email/password."""

warnings.warn('credentials_auth() is deprecated and will be removed.',

DeprecationWarning)

self._credentials_auth()

def _credentials_auth(self):

if not self.email or not self.password:

raise GitlabAuthenticationError("Missing email/password")

if self.api_version == '3':

data = json.dumps({'email': self.email, 'password': self.password})

r = self._raw_post('/session', data,

content_type='application/json')

raise_error_from_response(r, GitlabAuthenticationError, 201)

self.user = self._objects.CurrentUser(self, r.json())

else:

manager = self._objects.CurrentUserManager()

self.user = manager.get(self.email, self.password)

self._set_token(self.user.private_token)

def token_auth(self):

"""Performs an authentication using the private token."""

warnings.warn('token_auth() is deprecated and will be removed.',

DeprecationWarning)

self._token_auth()

def _token_auth(self):

if self.api_version == '3':

self.user = self._objects.CurrentUser(self)

else:

self.user = self._objects.CurrentUserManager(self).get()

def version(self):

"""Returns the version and revision of the gitlab server.

Note that self.version and self.revision will be set on the gitlab

object.

Returns:

tuple (str, str): The server version and server revision, or

('unknown', 'unknwown') if the server doesn't

support this API call (gitlab < 8.13.0)

"""

r = self._raw_get('/version')

try:

raise_error_from_response(r, GitlabGetError, 200)

data = r.json()

self.version, self.revision = data['version'], data['revision']

except GitlabGetError:

self.version = self.revision = 'unknown'

return self.version, self.revision

def set_url(self, url):

"""Updates the GitLab URL.

Args:

url (str): Base URL of the GitLab server.

"""

warnings.warn('set_url() is deprecated, create a new Gitlab instance '

'if you need an updated URL.',

DeprecationWarning)

self._url = '%s/api/v%s' % (url, self._api_version)

def _construct_url(self, id_, obj, parameters, action=None):

if 'next_url' in parameters:

return parameters['next_url']

args = _sanitize(parameters)

url_attr = '_url'

if action is not None:

attr = '_%s_url' % action

if hasattr(obj, attr):

url_attr = attr

obj_url = getattr(obj, url_attr)

# TODO(gpocentek): the following will need an update when we have

# object with both urlPlural and _ACTION_url attributes

if id_ is None and obj._urlPlural is not None:

url = obj._urlPlural % args

else:

url = obj_url % args

if id_ is not None:

return '%s/%s' % (url, str(id_))

else:

return url

def set_token(self, token):

"""Sets the private token for authentication.

Args:

token (str): The private token.

"""

warnings.warn('set_token() is deprecated, use the private_token '

'argument of the Gitlab constructor.',

DeprecationWarning)

self._set_token(token)

def _set_token(self, token):

self.private_token = token if token else None

if token:

self.headers["PRIVATE-TOKEN"] = token

elif "PRIVATE-TOKEN" in self.headers:

del self.headers["PRIVATE-TOKEN"]

def set_credentials(self, email, password):

"""Sets the email/login and password for authentication.

Args:

email (str): The user email or login.

password (str): The user password.

"""

warnings.warn('set_credentials() is deprecated, use the email and '

'password arguments of the Gitlab constructor.',

DeprecationWarning)

self.email = email

self.password = password

def enable_debug(self):

import logging

try:

from http.client import HTTPConnection

except ImportError:

from httplib import HTTPConnection # noqa

HTTPConnection.debuglevel = 1

logging.basicConfig()

logging.getLogger().setLevel(logging.DEBUG)

requests_log = logging.getLogger("requests.packages.urllib3")

requests_log.setLevel(logging.DEBUG)

requests_log.propagate = True

def _create_headers(self, content_type=None):

request_headers = self.headers.copy()

if content_type is not None:

request_headers['Content-type'] = content_type

return request_headers

def _create_auth(self):

if self.http_username and self.http_password:

return requests.auth.HTTPBasicAuth(self.http_username,

self.http_password)

return None

def _get_session_opts(self, content_type):

return {

'headers': self._create_headers(content_type),

'auth': self._create_auth(),

'timeout': self.timeout,

'verify': self.ssl_verify

}

def _raw_get(self, path_, content_type=None, streamed=False, **kwargs):

if path_.startswith('http://') or path_.startswith('https://'):

url = path_

else:

url = '%s%s' % (self._url, path_)

opts = self._get_session_opts(content_type)

try:

return self.session.get(url, params=kwargs, stream=streamed,

**opts)

except Exception as e:

raise GitlabConnectionError(

"Can't connect to GitLab server (%s)" % e)

def _raw_list(self, path_, cls, **kwargs):

params = kwargs.copy()

catch_recursion_limit = kwargs.get('safe_all', False)

get_all_results = (kwargs.get('all', False) is True

or catch_recursion_limit)

# Remove these keys to avoid breaking the listing (urls will get too

# long otherwise)

for key in ['all', 'next_url', 'safe_all']:

if key in params:

del params[key]

r = self._raw_get(path_, **params)

raise_error_from_response(r, GitlabListError)

# These attributes are not needed in the object

for key in ['page', 'per_page', 'sudo']:

if key in params:

del params[key]

# Add _from_api manually, because we are not creating objects

# through normal path_

params['_from_api'] = True

results = [cls(self, item, **params) for item in r.json()

if item is not None]

try:

if ('next' in r.links and 'url' in r.links['next']

and get_all_results):

args = kwargs.copy()

args['next_url'] = r.links['next']['url']

results.extend(self.list(cls, **args))

except Exception as e:

# Catch the recursion limit exception if the 'safe_all'

# kwarg was provided

if not (catch_recursion_limit and

"maximum recursion depth exceeded" in str(e)):

raise e

return results

def _raw_post(self, path_, data=None, content_type=None, **kwargs):

url = '%s%s' % (self._url, path_)

opts = self._get_session_opts(content_type)

try:

return self.session.post(url, params=kwargs, data=data, **opts)

except Exception as e:

raise GitlabConnectionError(

"Can't connect to GitLab server (%s)" % e)

def _raw_put(self, path_, data=None, content_type=None, **kwargs):

url = '%s%s' % (self._url, path_)

opts = self._get_session_opts(content_type)

try:

return self.session.put(url, data=data, params=kwargs, **opts)

except Exception as e:

raise GitlabConnectionError(

"Can't connect to GitLab server (%s)" % e)

def _raw_delete(self, path_, content_type=None, **kwargs):

url = '%s%s' % (self._url, path_)

opts = self._get_session_opts(content_type)

try:

return self.session.delete(url, params=kwargs, **opts)

except Exception as e:

raise GitlabConnectionError(

"Can't connect to GitLab server (%s)" % e)

def list(self, obj_class, **kwargs):

"""Request the listing of GitLab resources.

Args:

obj_class (object): The class of resource to request.

**kwargs: Additional arguments to send to GitLab.

Returns:

list(obj_class): A list of objects of class `obj_class`.

Raises:

GitlabConnectionError: If the server cannot be reached.

GitlabListError: If the server fails to perform the request.

"""

missing = []

for k in itertools.chain(obj_class.requiredUrlAttrs,

obj_class.requiredListAttrs):

if k not in kwargs:

missing.append(k)

if missing:

raise GitlabListError('Missing attribute(s): %s' %

", ".join(missing))

url = self._construct_url(id_=None, obj=obj_class, parameters=kwargs)

return self._raw_list(url, obj_class, **kwargs)

def get(self, obj_class, id=None, **kwargs):

"""Request a GitLab resources.

Args:

obj_class (object): The class of resource to request.

id: The object ID.

**kwargs: Additional arguments to send to GitLab.

Returns:

obj_class: An object of class `obj_class`.

Raises:

GitlabConnectionError: If the server cannot be reached.

GitlabGetError: If the server fails to perform the request.

"""

missing = []

for k in itertools.chain(obj_class.requiredUrlAttrs,

obj_class.requiredGetAttrs):

if k not in kwargs:

missing.append(k)

if missing:

raise GitlabGetError('Missing attribute(s): %s' %

", ".join(missing))

url = self._construct_url(id_=_sanitize(id), obj=obj_class,

parameters=kwargs)

r = self._raw_get(url, **kwargs)

raise_error_from_response(r, GitlabGetError)

return r.json()

def delete(self, obj, id=None, **kwargs):

"""Delete an object on the GitLab server.

Args:

obj (object or id): The object, or the class of the object to

delete. If it is the class, the id of the object must be

specified as the `id` arguments.

id: ID of the object to remove. Required if `obj` is a class.

**kwargs: Additional arguments to send to GitLab.

Returns:

bool: True if the operation succeeds.

Raises:

GitlabConnectionError: If the server cannot be reached.

GitlabDeleteError: If the server fails to perform the request.

"""

if inspect.isclass(obj):

if not issubclass(obj, GitlabObject):

raise GitlabError("Invalid class: %s" % obj)

params = {obj.idAttr: id if id else getattr(obj, obj.idAttr)}

params.update(kwargs)

missing = []

for k in itertools.chain(obj.requiredUrlAttrs,

obj.requiredDeleteAttrs):

if k not in params:

try:

params[k] = getattr(obj, k)

except KeyError:

missing.append(k)

if missing:

raise GitlabDeleteError('Missing attribute(s): %s' %

", ".join(missing))

obj_id = params[obj.idAttr] if obj._id_in_delete_url else None

url = self._construct_url(id_=obj_id, obj=obj, parameters=params)

if obj._id_in_delete_url:

# The ID is already built, no need to add it as extra key in query

# string

params.pop(obj.idAttr)

r = self._raw_delete(url, **params)

raise_error_from_response(r, GitlabDeleteError,

expected_code=[200, 202, 204])

return True

def create(self, obj, **kwargs):

"""Create an object on the GitLab server.

The object class and attributes define the request to be made on the

GitLab server.

Args:

obj (object): The object to create.

**kwargs: Additional arguments to send to GitLab.

Returns:

str: A json representation of the object as returned by the GitLab

server

Raises:

GitlabConnectionError: If the server cannot be reached.

GitlabCreateError: If the server fails to perform the request.

"""

params = obj.__dict__.copy()

params.update(kwargs)

missing = []

for k in itertools.chain(obj.requiredUrlAttrs,

obj.requiredCreateAttrs):

if k not in params:

missing.append(k)

if missing:

raise GitlabCreateError('Missing attribute(s): %s' %

", ".join(missing))

url = self._construct_url(id_=None, obj=obj, parameters=params,

action='create')

# build data that can really be sent to server

data = obj._data_for_gitlab(extra_parameters=kwargs)

r = self._raw_post(url, data=data, content_type='application/json')

raise_error_from_response(r, GitlabCreateError, 201)

return r.json()

def update(self, obj, **kwargs):

"""Update an object on the GitLab server.

The object class and attributes define the request to be made on the

GitLab server.

Args:

obj (object): The object to create.

**kwargs: Additional arguments to send to GitLab.

Returns:

str: A json representation of the object as returned by the GitLab

server

Raises:

GitlabConnectionError: If the server cannot be reached.

GitlabUpdateError: If the server fails to perform the request.

"""

params = obj.__dict__.copy()

params.update(kwargs)

missing = []

if obj.requiredUpdateAttrs or obj.optionalUpdateAttrs:

required_attrs = obj.requiredUpdateAttrs

else:

required_attrs = obj.requiredCreateAttrs

for k in itertools.chain(obj.requiredUrlAttrs, required_attrs):

if k not in params:

missing.append(k)

if missing:

raise GitlabUpdateError('Missing attribute(s): %s' %

", ".join(missing))

obj_id = params[obj.idAttr] if obj._id_in_update_url else None

url = self._construct_url(id_=obj_id, obj=obj, parameters=params)

# build data that can really be sent to server

data = obj._data_for_gitlab(extra_parameters=kwargs, update=True)

r = self._raw_put(url, data=data, content_type='application/json')

raise_error_from_response(r, GitlabUpdateError)

return r.json()

def _build_url(self, path):

"""Returns the full url from path.

If path is already a url, return it unchanged. If it's a path, append

it to the stored url.

This is a low-level method, different from _construct_url _build_url

have no knowledge of GitlabObject's.

Returns:

str: The full URL

"""

if path.startswith('http://') or path.startswith('https://'):

return path

else:

return '%s%s' % (self._url, path)

def http_request(self, verb, path, query_data={}, post_data={},

streamed=False, **kwargs):

"""Make an HTTP request to the Gitlab server.

Args:

verb (str): The HTTP method to call ('get', 'post', 'put',

'delete')

path (str): Path or full URL to query ('/projects' or

'http://whatever/v4/api/projecs')

query_data (dict): Data to send as query parameters

post_data (dict): Data to send in the body (will be converted to

json)

streamed (bool): Whether the data should be streamed

**kwargs: Extra data to make the query (e.g. sudo, per_page, page)

Returns:

A requests result object.

Raises:

GitlabHttpError: When the return code is not 2xx

"""

def sanitized_url(url):

parsed = six.moves.urllib.parse.urlparse(url)

new_path = parsed.path.replace('.', '%2E')

return parsed._replace(path=new_path).geturl()

url = self._build_url(path)

params = query_data.copy()

params.update(kwargs)

opts = self._get_session_opts(content_type='application/json')

verify = opts.pop('verify')

timeout = opts.pop('timeout')

# Requests assumes that `.` should not be encoded as %2E and will make

# changes to urls using this encoding. Using a prepped request we can

# get the desired behavior.

# The Requests behavior is right but it seems that web servers don't

# always agree with this decision (this is the case with a default

# gitlab installation)

req = requests.Request(verb, url, json=post_data, params=params,

**opts)

prepped = self.session.prepare_request(req)

prepped.url = sanitized_url(prepped.url)

result = self.session.send(prepped, stream=streamed, verify=verify,

timeout=timeout)

if 200 <= result.status_code < 300:

return result

if result.status_code == 401:

raise GitlabAuthenticationError(response_code=result.status_code,

error_message=result.content)

raise GitlabHttpError(response_code=result.status_code,

error_message=result.content)

def http_get(self, path, query_data={}, streamed=False, **kwargs):

"""Make a GET request to the Gitlab server.

Args:

path (str): Path or full URL to query ('/projects' or

'http://whatever/v4/api/projecs')

query_data (dict): Data to send as query parameters

streamed (bool): Whether the data should be streamed

**kwargs: Extra data to make the query (e.g. sudo, per_page, page)

Returns:

A requests result object is streamed is True or the content type is

not json.

The parsed json data otherwise.

Raises:

GitlabHttpError: When the return code is not 2xx

GitlabParsingError: If the json data could not be parsed

"""

result = self.http_request('get', path, query_data=query_data,

streamed=streamed, **kwargs)

if (result.headers['Content-Type'] == 'application/json' and

not streamed):

try:

return result.json()

except Exception:

raise GitlabParsingError(

error_message="Failed to parse the server message")

else:

return result

def http_list(self, path, query_data={}, as_list=None, **kwargs):

"""Make a GET request to the Gitlab server for list-oriented queries.

Args:

path (str): Path or full URL to query ('/projects' or

'http://whatever/v4/api/projecs')

query_data (dict): Data to send as query parameters

**kwargs: Extra data to make the query (e.g. sudo, per_page, page,

all)

Returns:

list: A list of the objects returned by the server. If `as_list` is

False and no pagination-related arguments (`page`, `per_page`,

`all`) are defined then a GitlabList object (generator) is returned

instead. This object will make API calls when needed to fetch the

next items from the server.

Raises:

GitlabHttpError: When the return code is not 2xx

GitlabParsingError: If the json data could not be parsed

"""

# In case we want to change the default behavior at some point

as_list = True if as_list is None else as_list

get_all = kwargs.get('all', False)

url = self._build_url(path)

if get_all is True:

return list(GitlabList(self, url, query_data, **kwargs))

if 'page' in kwargs or 'per_page' in kwargs or as_list is True:

# pagination requested, we return a list

return list(GitlabList(self, url, query_data, get_next=False,

**kwargs))

# No pagination, generator requested

return GitlabList(self, url, query_data, **kwargs)

def http_post(self, path, query_data={}, post_data={}, **kwargs):

"""Make a POST request to the Gitlab server.

Args:

path (str): Path or full URL to query ('/projects' or

'http://whatever/v4/api/projecs')

query_data (dict): Data to send as query parameters

post_data (dict): Data to send in the body (will be converted to

json)

**kwargs: Extra data to make the query (e.g. sudo, per_page, page)

Returns:

The parsed json returned by the server if json is return, else the

raw content

Raises:

GitlabHttpError: When the return code is not 2xx

GitlabParsingError: If the json data could not be parsed

"""

result = self.http_request('post', path, query_data=query_data,

post_data=post_data, **kwargs)

try:

if result.headers.get('Content-Type', None) == 'application/json':

return result.json()

except Exception:

raise GitlabParsingError(

error_message="Failed to parse the server message")

return result

def http_put(self, path, query_data={}, post_data={}, **kwargs):

"""Make a PUT request to the Gitlab server.

Args:

path (str): Path or full URL to query ('/projects' or

'http://whatever/v4/api/projecs')

query_data (dict): Data to send as query parameters

post_data (dict): Data to send in the body (will be converted to

json)

**kwargs: Extra data to make the query (e.g. sudo, per_page, page)

Returns:

The parsed json returned by the server.

Raises:

GitlabHttpError: When the return code is not 2xx

GitlabParsingError: If the json data could not be parsed

"""

result = self.http_request('put', path, query_data=query_data,

post_data=post_data, **kwargs)

try:

return result.json()

except Exception:

raise GitlabParsingError(

error_message="Failed to parse the server message")

def http_delete(self, path, **kwargs):

"""Make a PUT request to the Gitlab server.

Args:

path (str): Path or full URL to query ('/projects' or

'http://whatever/v4/api/projecs')

**kwargs: Extra data to make the query (e.g. sudo, per_page, page)

Returns:

The requests object.

Raises:

GitlabHttpError: When the return code is not 2xx

"""

return self.http_request('delete', path, **kwargs)

class GitlabList(object):

"""Generator representing a list of remote objects.

The object handles the links returned by a query to the API, and will call

the API again when needed.

"""

def __init__(self, gl, url, query_data, get_next=True, **kwargs):

self._gl = gl

self._query(url, query_data, **kwargs)

self._get_next = get_next

def _query(self, url, query_data={}, **kwargs):

result = self._gl.http_request('get', url, query_data=query_data,

**kwargs)

try:

self._next_url = result.links['next']['url']

except KeyError:

self._next_url = None

self._current_page = result.headers.get('X-Page')

self._next_page = result.headers.get('X-Next-Page')

self._per_page = result.headers.get('X-Per-Page')

self._total_pages = result.headers.get('X-Total-Pages')

self._total = result.headers.get('X-Total')

try:

self._data = result.json()

except Exception:

raise GitlabParsingError(

error_message="Failed to parse the server message")

self._current = 0

def __iter__(self):

return self

def __len__(self):

return int(self._total)

def __next__(self):

return self.next()

def next(self):

try:

item = self._data[self._current]

self._current += 1

return item

except IndexError:

if self._next_url and self._get_next is True:

self._query(self._next_url)

return self.next()

raise StopIteration

python-gitlab/gitlab/__init__.py at rework_api · savegame/python-gitlab · GitHub

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