Merge pull request #1277 from python-gitlab/feat/override-user-agent

feat(api,cli): make user agent configurable

9 files changed, 88 insertions, 11 deletions

diff --git a/docs/api-usage.rst b/docs/api-usage.rst
index 764f294..2a40cfa 100644
--- a/docs/api-usage.rst
+++ b/docs/api-usage.rst
@@ -26,6 +26,9 @@ To connect to a GitLab server, create a ``gitlab.Gitlab`` object:
    # anonymous gitlab instance, read-only for public resources
    gl = gitlab.Gitlab('http://10.0.0.1')
 
+   # Define your own custom user agent for requests
+   gl = gitlab.Gitlab('http://10.0.0.1', user_agent='my-package/1.0.0')
+
    # make an API request to create the gl.user object. This is mandatory if you
    # use the username/password authentication.
    gl.auth()
diff --git a/docs/cli-usage.rst b/docs/cli-usage.rst
index 21a4baf..1c24824 100644
--- a/docs/cli-usage.rst
+++ b/docs/cli-usage.rst
@@ -78,6 +78,9 @@ parameters. You can override the values in each GitLab server section.
      - Integer between 1 and 100
      - The number of items to return in listing queries. GitLab limits the
        value at 100.
+   * - ``user_agent``
+     - ``str``
+     - A string defining a custom user agent to use when ``gitlab`` makes requests.
 
 You must define the ``url`` in each GitLab server section.
 
diff --git a/gitlab/__init__.py b/gitlab/__init__.py
index 98c4144..a9cbf89 100644
--- a/gitlab/__init__.py
+++ b/gitlab/__init__.py
@@ -24,19 +24,20 @@ import requests
 import requests.utils
 
 import gitlab.config
+from gitlab.__version__ import (
+    __author__,
+    __copyright__,
+    __email__,
+    __license__,
+    __title__,
+    __version__,
+)
 from gitlab.const import *  # noqa
 from gitlab.exceptions import *  # noqa
 from gitlab import utils  # noqa
 from requests_toolbelt.multipart.encoder import MultipartEncoder
 
 
-__title__ = "python-gitlab"
-__version__ = "2.6.0"
-__author__ = "Gauvain Pocentek"
-__email__ = "gauvainpocentek@gmail.com"
-__license__ = "LGPL3"
-__copyright__ = "Copyright 2013-2019 Gauvain Pocentek"
-
 warnings.filterwarnings("default", category=DeprecationWarning, module="^gitlab")
 
 REDIRECT_MSG = (
@@ -64,6 +65,7 @@ class Gitlab(object):
         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
+        user_agent (str): A custom user agent to use for making HTTP requests.
     """
 
     def __init__(
@@ -81,6 +83,7 @@ class Gitlab(object):
         per_page=None,
         pagination=None,
         order_by=None,
+        user_agent=USER_AGENT,
     ):
 
         self._api_version = str(api_version)
@@ -90,7 +93,7 @@ class Gitlab(object):
         #: 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__)}
+        self.headers = {"User-Agent": user_agent}
 
         #: Whether SSL certificates should be validated
         self.ssl_verify = ssl_verify
@@ -204,6 +207,7 @@ class Gitlab(object):
             per_page=config.per_page,
             pagination=config.pagination,
             order_by=config.order_by,
+            user_agent=config.user_agent,
         )
 
     def auth(self):
diff --git a/gitlab/__version__.py b/gitlab/__version__.py
new file mode 100644
index 0000000..1708233
--- /dev/null
+++ b/gitlab/__version__.py
@@ -0,0 +1,6 @@
+__author__ = "Gauvain Pocentek, python-gitlab team"
+__copyright__ = "Copyright 2013-2019 Gauvain Pocentek, 2019-2021 python-gitlab team"
+__email__ = "gauvainpocentek@gmail.com"
+__license__ = "LGPL3"
+__title__ = "python-gitlab"
+__version__ = "2.6.0"
diff --git a/gitlab/config.py b/gitlab/config.py
index c8ba896..4647d61 100644
--- a/gitlab/config.py
+++ b/gitlab/config.py
@@ -18,6 +18,8 @@
 import os
 import configparser
 
+from gitlab.const import USER_AGENT
+
 
 def _env_config():
     if "PYTHON_GITLAB_CFG" in os.environ:
@@ -177,3 +179,13 @@ class GitlabConfigParser(object):
             self.order_by = self._config.get(self.gitlab_id, "order_by")
         except Exception:
             pass
+
+        self.user_agent = USER_AGENT
+        try:
+            self.user_agent = self._config.get("global", "user_agent")
+        except Exception:
+            pass
+        try:
+            self.user_agent = self._config.get(self.gitlab_id, "user_agent")
+        except Exception:
+            pass
diff --git a/gitlab/const.py b/gitlab/const.py
index bdd3d73..36e3c1a 100644
--- a/gitlab/const.py
+++ b/gitlab/const.py
@@ -15,6 +15,9 @@
 # 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/>.
 
+from gitlab.__version__ import __title__, __version__
+
+
 NO_ACCESS = 0
 MINIMAL_ACCESS = 5
 GUEST_ACCESS = 10
@@ -51,3 +54,5 @@ SEARCH_SCOPE_GLOBAL_SNIPPET_TITLES = "snippet_titles"
 
 # specific project scope
 SEARCH_SCOPE_PROJECT_NOTES = "notes"
+
+USER_AGENT = "{}/{}".format(__title__, __version__)
diff --git a/gitlab/tests/test_config.py b/gitlab/tests/test_config.py
index 7fb03e0..7a9e239 100644
--- a/gitlab/tests/test_config.py
+++ b/gitlab/tests/test_config.py
@@ -21,10 +21,12 @@ import unittest
 import mock
 import io
 
-from gitlab import config
+from gitlab import config, USER_AGENT
 import pytest
 
 
+custom_user_agent = "my-package/1.0.0"
+
 valid_config = u"""[global]
 default = one
 ssl_verify = true
@@ -51,6 +53,17 @@ url = https://four.url
 oauth_token = STUV
 """
 
+custom_user_agent_config = """[global]
+default = one
+user_agent = {}
+
+[one]
+url = http://one.url
+private_token = ABCDEF
+""".format(
+    custom_user_agent
+)
+
 no_default_config = u"""[global]
 [there]
 url = http://there.url
@@ -178,3 +191,21 @@ def test_valid_data(m_open, path_exists):
     assert "STUV" == cp.oauth_token
     assert 2 == cp.timeout
     assert True == cp.ssl_verify
+
+
+@mock.patch("os.path.exists")
+@mock.patch("builtins.open")
+@pytest.mark.parametrize(
+    "config_string,expected_agent",
+    [
+        (valid_config, USER_AGENT),
+        (custom_user_agent_config, custom_user_agent),
+    ],
+)
+def test_config_user_agent(m_open, path_exists, config_string, expected_agent):
+    fd = io.StringIO(config_string)
+    fd.close = mock.Mock(return_value=None)
+    m_open.return_value = fd
+
+    cp = config.GitlabConfigParser()
+    assert cp.user_agent == expected_agent
diff --git a/gitlab/tests/test_gitlab.py b/gitlab/tests/test_gitlab.py
index 553afb3..4a82207 100644
--- a/gitlab/tests/test_gitlab.py
+++ b/gitlab/tests/test_gitlab.py
@@ -18,9 +18,10 @@
 
 import pickle
 
+import pytest
 from httmock import HTTMock, response, urlmatch, with_httmock  # noqa
 
-from gitlab import Gitlab, GitlabList
+from gitlab import Gitlab, GitlabList, USER_AGENT
 from gitlab.v4.objects import CurrentUser
 
 
@@ -139,3 +140,15 @@ def test_gitlab_subclass_from_config(default_config):
     config_path = default_config
     gl = MyGitlab.from_config("one", [config_path])
     assert isinstance(gl, MyGitlab)
+
+
+@pytest.mark.parametrize(
+    "kwargs,expected_agent",
+    [
+        ({}, USER_AGENT),
+        ({"user_agent": "my-package/1.0.0"}, "my-package/1.0.0"),
+    ],
+)
+def test_gitlab_user_agent(kwargs, expected_agent):
+    gl = Gitlab("http://localhost", **kwargs)
+    assert gl.headers["User-Agent"] == expected_agent
diff --git a/setup.py b/setup.py
index 816d363..95390a6 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@ from setuptools import find_packages
 
 
 def get_version():
-    with open("gitlab/__init__.py") as f:
+    with open("gitlab/__version__.py") as f:
         for line in f:
             if line.startswith("__version__"):
                 return eval(line.split("=")[-1])