python-gitlab/gitlab/__init__.py at master · fgateuil/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."""

import importlib

import time

import warnings

import requests

import requests.utils

import gitlab.config

from gitlab.const import * # noqa

from gitlab.exceptions import * # noqa

from gitlab import utils # noqa

__title__ = "python-gitlab"

__version__ = "2.5.0"

__author__ = "Gauvain Pocentek"

__email__ = "gauvainpocentek@gmail.com"

__license__ = "LGPL3"

warnings.filterwarnings("default", category=DeprecationWarning, module="^gitlab")

REDIRECT_MSG = (

"python-gitlab detected an http to https redirection. You "

"must update your GitLab URL to use https:// to avoid issues."

)

ALLOWED_KEYSET_ENDPOINTS = ["/projects"]

class Gitlab(object):

"""Represents a GitLab server connection.

Args:

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

private_token (str): The user private token

oauth_token (str): An oauth token

job_token (str): A CI job token

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

the value is a string, it is the path to a CA file used for

certificate validation.

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 (support for 4 only)

pagination (str): Can be set to 'keyset' to use keyset pagination

order_by (str): Set order_by globally

"""

def __init__(

self,

url,

private_token=None,

oauth_token=None,

job_token=None,

ssl_verify=True,

http_username=None,

http_password=None,

timeout=None,

api_version="4",

session=None,

per_page=None,

pagination=None,

order_by=None,

self._api_version = str(api_version)

self._server_version = self._server_revision = None

self._base_url = url.rstrip("/")

self._url = "%s/api/v%s" % (self._base_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 = {"User-Agent": "%s/%s" % (__title__, __version__)}

#: Whether SSL certificates should be validated

self.ssl_verify = ssl_verify

self.private_token = private_token

self.http_username = http_username

self.http_password = http_password

self.oauth_token = oauth_token

self.job_token = job_token

self._set_auth_info()

#: Create a session object for requests

self.session = session or requests.Session()

self.per_page = per_page

self.pagination = pagination

self.order_by = order_by

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.deploytokens = objects.DeployTokenManager(self)

self.geonodes = objects.GeoNodeManager(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.ldapgroups = objects.LDAPGroupManager(self)

self.licenses = objects.LicenseManager(self)

self.namespaces = objects.NamespaceManager(self)

self.mergerequests = objects.MergeRequestManager(self)

self.notificationsettings = objects.NotificationSettingsManager(self)

self.projects = objects.ProjectManager(self)

self.runners = objects.RunnerManager(self)

self.settings = objects.ApplicationSettingsManager(self)

self.appearance = objects.ApplicationAppearanceManager(self)

self.sidekiq = objects.SidekiqManager(self)

self.snippets = objects.SnippetManager(self)

self.users = objects.UserManager(self)

self.todos = objects.TodoManager(self)

self.dockerfiles = objects.DockerfileManager(self)

self.events = objects.EventManager(self)

self.audit_events = objects.AuditEventManager(self)

self.features = objects.FeatureManager(self)

self.pagesdomains = objects.PagesDomainManager(self)

self.user_activities = objects.UserActivitiesManager(self)

self.applications = objects.ApplicationManager(self)

self.variables = objects.VariableManager(self)

def __enter__(self):

return self

def __exit__(self, *args):

self.session.close()

def __getstate__(self):

state = self.__dict__.copy()

state.pop("_objects")

return state

def __setstate__(self, state):

self.__dict__.update(state)

objects = importlib.import_module("gitlab.v%s.objects" % self._api_version)

self._objects = objects

@property

def url(self):

"""The user-provided server URL."""

return self._base_url

@property

def api_url(self):

"""The computed API base URL."""

return self._url

@property

def api_version(self):

"""The API version used (4 only)."""

return self._api_version

@classmethod

def from_config(cls, 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 cls(

config.url,

private_token=config.private_token,

oauth_token=config.oauth_token,

job_token=config.job_token,

ssl_verify=config.ssl_verify,

timeout=config.timeout,

http_username=config.http_username,

http_password=config.http_password,

api_version=config.api_version,

per_page=config.per_page,

pagination=config.pagination,

order_by=config.order_by,

)

def auth(self):

"""Performs an authentication using private token.

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

success.

"""

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.

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

perform as expected.

"""

if self._server_version is None:

try:

data = self.http_get("/version")

self._server_version = data["version"]

self._server_revision = data["revision"]

except Exception:

self._server_version = self._server_revision = "unknown"

return self._server_version, self._server_revision

@on_http_error(GitlabVerifyError)

def lint(self, content, **kwargs):

"""Validate a gitlab CI configuration.

Args:

content (txt): The .gitlab-ci.yml content

**kwargs: Extra options to send to the server (e.g. sudo)

Raises:

GitlabAuthenticationError: If authentication is not correct

GitlabVerifyError: If the validation could not be done

Returns:

tuple: (True, []) if the file is valid, (False, errors(list))

otherwise

"""

post_data = {"content": content}

data = self.http_post("/ci/lint", post_data=post_data, **kwargs)

return (data["status"] == "valid", data["errors"])

@on_http_error(GitlabMarkdownError)

def markdown(self, text, gfm=False, project=None, **kwargs):

"""Render an arbitrary Markdown document.

Args:

text (str): The markdown text to render

gfm (bool): Render text using GitLab Flavored Markdown. Default is

False

project (str): Full path of a project used a context when `gfm` is

True

**kwargs: Extra options to send to the server (e.g. sudo)

Raises:

GitlabAuthenticationError: If authentication is not correct

GitlabMarkdownError: If the server cannot perform the request

Returns:

str: The HTML rendering of the markdown text.

"""

post_data = {"text": text, "gfm": gfm}

if project is not None:

post_data["project"] = project

data = self.http_post("/markdown", post_data=post_data, **kwargs)

return data["html"]

@on_http_error(GitlabLicenseError)

def get_license(self, **kwargs):

"""Retrieve information about the current license.

Args:

**kwargs: Extra options to send to the server (e.g. sudo)

Raises:

GitlabAuthenticationError: If authentication is not correct

GitlabGetError: If the server cannot perform the request

Returns:

dict: The current license information

"""

return self.http_get("/license", **kwargs)

@on_http_error(GitlabLicenseError)

def set_license(self, license, **kwargs):

"""Add a new license.

Args:

license (str): The license string

**kwargs: Extra options to send to the server (e.g. sudo)

Raises:

GitlabAuthenticationError: If authentication is not correct

GitlabPostError: If the server cannot perform the request

Returns:

dict: The new license information

"""

data = {"license": license}

return self.http_post("/license", post_data=data, **kwargs)

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

if "next_url" in parameters:

return parameters["next_url"]

args = utils.sanitize_parameters(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)

url = obj_url % args

if id_ is not None:

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

else:

return url

def _set_auth_info(self):

tokens = [

token

for token in [self.private_token, self.oauth_token, self.job_token]

if token

]

if len(tokens) > 1:

raise ValueError(

"Only one of private_token, oauth_token or job_token should "

"be defined"

)

if (self.http_username and not self.http_password) or (

not self.http_username and self.http_password

raise ValueError(

"Both http_username and http_password should " "be defined"

)

if self.oauth_token and self.http_username:

raise ValueError(

"Only one of oauth authentication or http "

"authentication should be defined"

)

self._http_auth = None

if self.private_token:

self.headers.pop("Authorization", None)

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

self.headers.pop("JOB-TOKEN", None)

if self.oauth_token:

self.headers["Authorization"] = "Bearer %s" % self.oauth_token

self.headers.pop("PRIVATE-TOKEN", None)

self.headers.pop("JOB-TOKEN", None)

if self.job_token:

self.headers.pop("Authorization", None)

self.headers.pop("PRIVATE-TOKEN", None)

self.headers["JOB-TOKEN"] = self.job_token

if self.http_username:

self._http_auth = requests.auth.HTTPBasicAuth(

self.http_username, self.http_password

)

def enable_debug(self):

import logging

try:

from http.client import HTTPConnection # noqa

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 _get_session_opts(self, content_type):

return {

"headers": self._create_headers(content_type),

"auth": self._http_auth,

"timeout": self.timeout,

"verify": self.ssl_verify,

}

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.

Returns:

str: The full URL

"""

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

return path

else:

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

def _check_redirects(self, result):

# Check the requests history to detect http to https redirections.

# If the initial verb is POST, the next request will use a GET request,

# leading to an unwanted behaviour.

# If the initial verb is PUT, the data will not be send with the next

# request.

# If we detect a redirection to https with a POST or a PUT request, we

# raise an exception with a useful error message.

if result.history and self._base_url.startswith("http:"):

for item in result.history:

if item.status_code not in (301, 302):

continue

# GET methods can be redirected without issue

if item.request.method == "GET":

continue

# Did we end-up with an https:// URL?

location = item.headers.get("Location", None)

if location and location.startswith("https://"):

raise RedirectError(REDIRECT_MSG)

def http_request(

self,

verb,

path,

query_data=None,

post_data=None,

streamed=False,

files=None,

**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

files (dict): The files to send to the server

**kwargs: Extra options to send to the server (e.g. sudo)

Returns:

A requests result object.

Raises:

GitlabHttpError: When the return code is not 2xx

"""

query_data = query_data or {}

url = self._build_url(path)

params = {}

utils.copy_dict(params, query_data)

# Deal with kwargs: by default a user uses kwargs to send data to the

# gitlab server, but this generates problems (python keyword conflicts

# and python-gitlab/gitlab conflicts).

# So we provide a `query_parameters` key: if it's there we use its dict

# value as arguments for the gitlab server, and ignore the other

# arguments, except pagination ones (per_page and page)

if "query_parameters" in kwargs:

utils.copy_dict(params, kwargs["query_parameters"])

for arg in ("per_page", "page"):

if arg in kwargs:

params[arg] = kwargs[arg]

else:

utils.copy_dict(params, kwargs)

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

verify = opts.pop("verify")

timeout = opts.pop("timeout")

# If timeout was passed into kwargs, allow it to override the default

timeout = kwargs.get("timeout", timeout)

# We need to deal with json vs. data when uploading files

if files:

data = post_data

json = None

del opts["headers"]["Content-type"]

else:

json = post_data

data = None

# 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=json, data=data, params=params, files=files, **opts

)

prepped = self.session.prepare_request(req)

prepped.url = utils.sanitized_url(prepped.url)

settings = self.session.merge_environment_settings(

prepped.url, {}, streamed, verify, None

)

# obey the rate limit by default

obey_rate_limit = kwargs.get("obey_rate_limit", True)

# do not retry transient errors by default

retry_transient_errors = kwargs.get("retry_transient_errors", False)

# set max_retries to 10 by default, disable by setting it to -1

max_retries = kwargs.get("max_retries", 10)

cur_retries = 0

while True:

result = self.session.send(prepped, timeout=timeout, **settings)

self._check_redirects(result)

if 200 <= result.status_code < 300:

return result

if (429 == result.status_code and obey_rate_limit) or (

result.status_code in [500, 502, 503, 504] and retry_transient_errors

if max_retries == -1 or cur_retries < max_retries:

wait_time = 2 ** cur_retries * 0.1

if "Retry-After" in result.headers:

wait_time = int(result.headers["Retry-After"])

cur_retries += 1

time.sleep(wait_time)

continue

error_message = result.content

try:

error_json = result.json()

for k in ("message", "error"):

if k in error_json:

error_message = error_json[k]

except (KeyError, ValueError, TypeError):

pass

if result.status_code == 401:

raise GitlabAuthenticationError(

response_code=result.status_code,

error_message=error_message,

response_body=result.content,

)

raise GitlabHttpError(

response_code=result.status_code,

error_message=error_message,

response_body=result.content,

)

def http_get(self, path, query_data=None, streamed=False, raw=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

raw (bool): If True do not try to parse the output as json

**kwargs: Extra options to send to the server (e.g. sudo)

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

"""

query_data = query_data or {}

result = self.http_request(

"get", path, query_data=query_data, streamed=streamed, **kwargs

)

if (

result.headers["Content-Type"] == "application/json"

and not streamed

and not raw

try:

return result.json()

except Exception as e:

raise GitlabParsingError(

error_message="Failed to parse the server message"

) from e

else:

return result

def http_list(self, path, query_data=None, 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/projects')

query_data (dict): Data to send as query parameters

**kwargs: Extra options to send to the server (e.g. sudo, page,

per_page)

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

"""

query_data = query_data or {}

# 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.pop("all", False)

url = self._build_url(path)

page = kwargs.get("page")

if get_all is True and as_list is True:

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

if page 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=None, post_data=None, files=None, **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)

files (dict): The files to send to the server

**kwargs: Extra options to send to the server (e.g. sudo)

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

"""

query_data = query_data or {}

post_data = post_data or {}

result = self.http_request(

"post",

path,

query_data=query_data,

post_data=post_data,

files=files,

**kwargs

)

try:

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

return result.json()

except Exception as e:

raise GitlabParsingError(

error_message="Failed to parse the server message"

) from e

return result

def http_put(self, path, query_data=None, post_data=None, files=None, **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)

files (dict): The files to send to the server

**kwargs: Extra options to send to the server (e.g. sudo)

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

"""

query_data = query_data or {}

post_data = post_data or {}

result = self.http_request(

"put",

path,

query_data=query_data,

post_data=post_data,

files=files,

**kwargs

)

try:

return result.json()

except Exception as e:

raise GitlabParsingError(

error_message="Failed to parse the server message"

) from e

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 options to send to the server (e.g. sudo)

Returns:

The requests object.

Raises:

GitlabHttpError: When the return code is not 2xx

"""

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

@on_http_error(GitlabSearchError)

def search(self, scope, search, **kwargs):

"""Search GitLab resources matching the provided string.'

Args:

scope (str): Scope of the search

search (str): Search string

**kwargs: Extra options to send to the server (e.g. sudo)

Raises:

GitlabAuthenticationError: If authentication is not correct

GitlabSearchError: If the server failed to perform the request

Returns:

GitlabList: A list of dicts describing the resources found.

"""

data = {"scope": scope, "search": search}

return self.http_list("/search", query_data=data, **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

# Preserve kwargs for subsequent queries

self._kwargs = kwargs.copy()

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

self._get_next = get_next

def _query(self, url, query_data=None, **kwargs):

query_data = query_data or {}

result = self._gl.http_request("get", url, query_data=query_data, **kwargs)

try:

links = result.links

if links:

next_url = links["next"]["url"]

else:

next_url = requests.utils.parse_header_links(result.headers["links"])[

]["url"]

self._next_url = next_url

except KeyError:

self._next_url = None

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

self._prev_page = result.headers.get("X-Prev-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 as e:

raise GitlabParsingError(

error_message="Failed to parse the server message"

) from e

self._current = 0

@property

def current_page(self):

"""The current page number."""

return int(self._current_page)

@property

def prev_page(self):

"""The previous page number.

If None, the current page is the first.

"""

return int(self._prev_page) if self._prev_page else None

@property

def next_page(self):

"""The next page number.

If None, the current page is the last.

"""

return int(self._next_page) if self._next_page else None

@property

def per_page(self):

"""The number of items per page."""

return int(self._per_page)

@property

def total_pages(self):

"""The total number of pages."""

return int(self._total_pages)

@property

def total(self):

"""The total number of items."""

return int(self._total)

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:

pass

if self._next_url and self._get_next is True:

self._query(self._next_url, **self._kwargs)

return self.next()

raise StopIteration

python-gitlab/gitlab/__init__.py at master · fgateuil/python-gitlab · GitHub

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