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Client library for interacting with Gerrit

Project description

Pygerrit provides a simple interface for clients to interact with Gerrit Code Review via ssh or the REST API.


Pygerrit has been tested on Ubuntu 10.4 and Mac OSX 10.8.4, with Python 2.6.x and 2.7.x. Support for other platforms and Python versions is not guaranteed.

Pygerrit depends on the paramiko and requests libraries.


To install pygerrit, simply:

$ pip install pygerrit


For easier connection to the review server over ssh, the ssh connection parameters (hostname, port, username) can be given in the user’s .ssh/config file:

Host review
  Port 29418
  User username

For easier connection to the review server over the REST API, the user’s HTTP username and password can be given in the user’s .netrc file:

machine review login MyUsername password MyPassword

For instructions on how to obtain the HTTP password, refer to Gerrit’s HTTP upload settings documentation.

SSH Interface

The SSH interface can be used to run commands on the Gerrit server:

>>> from pygerrit.ssh import GerritSSHClient
>>> client = GerritSSHClient("review")
>>> result = client.run_gerrit_command("version")
>>> result
<GerritSSHCommandResult [version]>
>>> result.stdout
<paramiko.ChannelFile from <paramiko.Channel 2 (closed) -> <paramiko.Transport at 0xd2387d90L (cipher aes128-cbc, 128 bits) (active; 0 open channel(s))>>>
'gerrit version 2.6.1\n'

Event Stream

Gerrit offers a stream-events command that is run over ssh, and returns back a stream of events (new change uploaded, change merged, comment added, etc) as JSON text.

This library handles the parsing of the JSON text from the event stream, encapsulating the data in event objects (Python classes), and allowing the client to fetch them from a queue. It also allows users to easily add handling of custom event types, for example if they are running a customised Gerrit installation with non-standard events:

>>> from pygerrit.client import GerritClient
>>> client = GerritClient("review")
>>> client.gerrit_version()
>>> client.start_event_stream()
>>> client.get_event()
<CommentAddedEvent>: <Change 12345, platform/packages/apps/Example, master> <Patchset 1, 5c4b2f76297f04fbab77eb8c3462e087bc4b6f90> <Account Bob Example (>
>>> client.get_event()
<CommentAddedEvent>: <Change 67890, platform/frameworks/example, master> <Patchset 2, c7d4f9956c80b1df66a66d66dea3960e71de4910> <Account John Example (>
>>> client.stop_event_stream()

Refer to the example script for a more detailed example of how the SSH event stream interface works.


This simple example shows how to get the user’s open changes, authenticating to Gerrit via HTTP Digest authentication using an explicitly given username and password:

>>> from requests.auth import HTTPDigestAuth
>>> from import GerritRestAPI
>>> auth = HTTPDigestAuth('username', 'password')
>>> rest = GerritRestAPI(url='', auth=auth)
>>> changes = rest.get("/changes/?q=owner:self%20status:open")

Refer to the rest_example script for a more detailed example of how the REST API interface works.

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