zulip/api_docs/configuring-python-bindings.md

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# Configuring the Python bindings
Zulip provides a set of tools that allows interacting with its API more
easily, called the [Python bindings](https://pypi.python.org/pypi/zulip/).
One of the most notable use cases for these bindings are bots developed
using Zulip's [bot framework](/api/writing-bots).
In order to use them, you need to configure them with your identity
(account, API key, and Zulip server URL). There are a few ways to
achieve that:
- Using a `zuliprc` file, referenced via the `--config-file` option or
the `config_file` option to the `zulip.Client` constructor
(recommended for bots).
- Using a `zuliprc` file in your home directory at `~/.zuliprc`
(recommended for your own API key).
- Using the [environment
variables](https://en.wikipedia.org/wiki/Environment_variable)
documented below.
- Using the `--api-key`, `--email`, and `--site` variables as command
line parameters.
- Using the `api_key`, `email`, and `site` parameters to the
`zulip.Client` constructor.
## Download a `zuliprc` file
{start_tabs}
{tab|for-a-bot}
{settings_tab|your-bots}
1. Click the **download** (<i class="fa fa-download"></i>) icon on the profile
card of the desired bot to download the bot's `zuliprc` file.
!!! warn ""
Anyone with a bot's API key can impersonate the bot, so be careful with it!
{tab|for-yourself}
{settings_tab|account-and-privacy}
1. Under **API key**, click **Manage your API key**.
1. Enter your password, and click **Get API key**. If you don't know your
password, click **reset it** and follow the
instructions from there.
1. Click **Download zuliprc** to download your `zuliprc` file.
1. (optional) If you'd like your credentials to be used by default
when using the Zulip API on your computer, move the `zuliprc` file
to `~/.zuliprc` in your home directory.
!!! warn ""
Anyone with your API key can impersonate you, so be doubly careful with it.
{end_tabs}
## Configuration keys and environment variables
`zuliprc` is a configuration file written in the
[INI file format](https://en.wikipedia.org/wiki/INI_file),
which contains key-value pairs as shown in the following example:
```
[api]
key=<API key from the web interface>
email=<your email address>
site=<your Zulip server's URI>
...
```
The keys you can use in this file (and their equivalent environment variables)
can be found in the following table:
<table class="table">
<thead>
<tr>
<th><code>zuliprc</code> key</th>
<th>Environment variable</th>
<th>Required</th>
<th>Description</th>
</tr>
</thead>
<tr>
<td><code>key</code></td>
<td><code>ZULIP_API_KEY</code></td>
<td>Yes</td>
<td>
<a href="/api/api-keys">API key</a>, which you can get through
Zulip's web interface.
</td>
</tr>
<tr>
<td><code>email</code></td>
<td><code>ZULIP_EMAIL</code></td>
<td>Yes</td>
<td>
The email address of the user who owns the API key mentioned
above.
</td>
</tr>
<tr>
<td><code>site</code></td>
<td><code>ZULIP_SITE</code></td>
<td>No</td>
<td>
URL where your Zulip server is located.
</td>
</tr>
<tr>
<td><code>client_cert_key</code></td>
<td><code>ZULIP_CERT_KEY</code></td>
<td>No</td>
<td>
Path to the SSL/TLS private key that the binding should use to
connect to the server.
</td>
</tr>
<tr>
<td><code>client_cert</code></td>
<td><code>ZULIP_CERT</code></td>
<td>No*</td>
<td>
The public counterpart of <code>client_cert_key</code>/
<code>ZULIP_CERT_KEY</code>. <i>This setting is required if a cert
key has been set.</i>
</td>
</tr>
<tr>
<td><code>client_bundle</code></td>
<td><code>ZULIP_CERT_BUNDLE</code></td>
<td>No</td>
<td>
Path where the server's PEM-encoded certificate is located. CA
certificates are also accepted, in case those CA's have issued the
server's certificate. Defaults to the built-in CA bundle trusted
by Python.
</td>
</tr>
<tr>
<td><code>insecure</code></td>
<td><code>ZULIP_ALLOW_INSECURE</code></td>
<td>No</td>
<td>
Allows connecting to Zulip servers with an invalid SSL/TLS
certificate. Please note that enabling this will make the HTTPS
connection insecure. Defaults to <code>false</code>.
</td>
</tr>
</table>
## Related articles
* [Installation instructions](/api/installation-instructions)
* [API keys](/api/api-keys)
* [Running bots](/api/running-bots)
* [Deploying bots](/api/deploying-bots)