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<header>
<h1 class="title">Module <code>src.onionrplugins</code></h1>
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</header>
<section id="section-intro">
<p>Onionr - Private P2P Communication</p>
<p>This file deals with management of modules/plugins.</p>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">&#39;&#39;&#39;
Onionr - Private P2P Communication
This file deals with management of modules/plugins.
&#39;&#39;&#39;
&#39;&#39;&#39;
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see &lt;https://www.gnu.org/licenses/&gt;.
&#39;&#39;&#39;
import os, re, importlib
from . import onionrevents as events
import config, logger
from utils import identifyhome
# set data dir
dataDir = identifyhome.identify_home()
_pluginsfolder = dataDir + &#39;plugins/&#39;
_instances = dict()
config.reload()
def reload(stop_event = True):
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&#39;&#39;&#39;
Reloads all the plugins
&#39;&#39;&#39;
check()
try:
enabled_plugins = get_enabled_plugins()
if stop_event is True:
logger.debug(&#39;Reloading all plugins...&#39;)
else:
logger.debug(&#39;Loading all plugins...&#39;)
if stop_event is True:
for plugin in enabled_plugins:
stop(plugin)
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for plugin in enabled_plugins:
start(plugin)
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return True
except:
logger.error(&#39;Failed to reload plugins.&#39;)
return False
def enable(name, start_event = True):
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&#39;&#39;&#39;
Enables a plugin
&#39;&#39;&#39;
check()
if exists(name):
enabled_plugins = get_enabled_plugins()
if not name in enabled_plugins:
try:
events.call(get_plugin(name), &#39;enable&#39;)
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except ImportError as e: # Was getting import error on Gitlab CI test &#34;data&#34;
# NOTE: If you are experiencing issues with plugins not being enabled, it might be this resulting from an error in the module
# can happen inconsistently (especially between versions)
logger.debug(&#39;Failed to enable module; Import error: %s&#39; % e)
return False
else:
enabled_plugins.append(name)
config.set(&#39;plugins.enabled&#39;, enabled_plugins, savefile=True)
if start_event is True:
start(name)
return True
else:
return False
else:
logger.error(&#39;Failed to enable plugin \&#34;%s\&#34;, disabling plugin.&#39; % name, terminal=True)
logger.debug(&#39;Plugins folder not found: %s&#39; % get_plugins_folder(str(name).lower()))
disable(name)
return False
def disable(name, stop_event = True):
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&#39;&#39;&#39;
Disables a plugin
&#39;&#39;&#39;
check()
if is_enabled(name):
enabled_plugins = get_enabled_plugins()
enabled_plugins.remove(name)
config.set(&#39;plugins.enabled&#39;, enabled_plugins, True)
if exists(name):
events.call(get_plugin(name), &#39;disable&#39;)
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if stop_event is True:
stop(name)
def start(name):
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&#39;&#39;&#39;
Starts the plugin
&#39;&#39;&#39;
check()
if exists(name):
try:
plugin = get_plugin(name)
if plugin is None:
raise Exception(&#39;Failed to import module.&#39;)
else:
events.call(plugin, &#39;start&#39;)
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return plugin
except:
logger.error(&#39;Failed to start module \&#34;%s\&#34;.&#39; % name)
else:
logger.error(&#39;Failed to start nonexistant module \&#34;%s\&#34;.&#39; % name)
return None
def stop(name):
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&#39;&#39;&#39;
Stops the plugin
&#39;&#39;&#39;
check()
if exists(name):
try:
plugin = get_plugin(name)
if plugin is None:
raise Exception(&#39;Failed to import module.&#39;)
else:
events.call(plugin, &#39;stop&#39;)
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return plugin
except:
logger.error(&#39;Failed to stop module \&#34;%s\&#34;.&#39; % name)
else:
logger.error(&#39;Failed to stop nonexistant module \&#34;%s\&#34;.&#39; % name)
return None
# credit: https://stackoverflow.com/a/29589414
def import_module_from_file(full_path_to_module):
&#34;&#34;&#34;
Import a module given the full path/filename of the .py file
Python 3.4
&#34;&#34;&#34;
module = None
# Get module name and path from full path
module_dir, module_file = os.path.split(full_path_to_module)
module_name, module_ext = os.path.splitext(module_file)
module_name = module_dir # Module name must be unique otherwise it will get written in other imports
# Get module &#34;spec&#34; from filename
spec = importlib.util.spec_from_file_location(module_name,full_path_to_module)
module = spec.loader.load_module()
return module
def get_plugin(name):
&#39;&#39;&#39;
Returns the instance of a module
&#39;&#39;&#39;
check()
if str(name).lower() in _instances:
return _instances[str(name).lower()]
else:
_instances[str(name).lower()] = import_module_from_file(get_plugins_folder(str(name).lower(), False) + &#39;main.py&#39;)
return get_plugin(name)
def get_plugins():
&#39;&#39;&#39;
Returns a list of plugins (deprecated)
&#39;&#39;&#39;
return _instances
def exists(name):
&#39;&#39;&#39;
Return value indicates whether or not the plugin exists
&#39;&#39;&#39;
return os.path.isdir(get_plugins_folder(str(name).lower()))
def get_enabled_plugins():
&#39;&#39;&#39;
Returns a list of the enabled plugins
&#39;&#39;&#39;
check()
return list(config.get(&#39;plugins.enabled&#39;, list()))
def is_enabled(name):
&#39;&#39;&#39;
Return value indicates whether or not the plugin is enabled
&#39;&#39;&#39;
return name in get_enabled_plugins()
def get_plugins_folder(name = None, absolute = True):
&#39;&#39;&#39;
Returns the path to the plugins folder
&#39;&#39;&#39;
path = &#39;&#39;
if name is None:
path = _pluginsfolder
else:
# only allow alphanumeric characters
#path = _pluginsfolder + str(name.lower())
path = _pluginsfolder + re.sub(&#39;[^0-9a-zA-Z_]+&#39;, &#39;&#39;, str(name).lower())
if absolute is True:
path = os.path.abspath(path)
return path + &#39;/&#39;
def get_plugin_data_folder(name, absolute = True):
&#39;&#39;&#39;
Returns the location of a plugin&#39;s data folder
&#39;&#39;&#39;
return get_plugins_folder(name, absolute)
def check():
&#39;&#39;&#39;
Checks to make sure files exist
&#39;&#39;&#39;
if not config.is_set(&#39;plugins&#39;):
logger.debug(&#39;Generating plugin configuration data...&#39;)
config.set(&#39;plugins&#39;, {&#39;enabled&#39;: []}, True)
if not os.path.exists(os.path.dirname(get_plugins_folder())):
logger.debug(&#39;Generating plugin data folder...&#39;)
try:
os.makedirs(os.path.dirname(get_plugins_folder()))
except FileExistsError:
pass
return</code></pre>
</details>
</section>
<section>
<h2 class="section-title" id="header-submodules">Sub-modules</h2>
<dl>
<dt><code class="name"><a title="src.onionrplugins.onionrevents" href="onionrevents.html">src.onionrplugins.onionrevents</a></code></dt>
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<dd>
<section class="desc"><p>Onionr - Private P2P Communication …</p></section>
</dd>
<dt><code class="name"><a title="src.onionrplugins.onionrpluginapi" href="onionrpluginapi.html">src.onionrplugins.onionrpluginapi</a></code></dt>
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<dd>
<section class="desc"><p>Onionr - Private P2P Communication …</p></section>
</dd>
</dl>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-functions">Functions</h2>
<dl>
<dt id="src.onionrplugins.check"><code class="name flex">
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<span>def <span class="ident">check</span></span>(<span>)</span>
</code></dt>
<dd>
<section class="desc"><p>Checks to make sure files exist</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def check():
&#39;&#39;&#39;
Checks to make sure files exist
&#39;&#39;&#39;
if not config.is_set(&#39;plugins&#39;):
logger.debug(&#39;Generating plugin configuration data...&#39;)
config.set(&#39;plugins&#39;, {&#39;enabled&#39;: []}, True)
if not os.path.exists(os.path.dirname(get_plugins_folder())):
logger.debug(&#39;Generating plugin data folder...&#39;)
try:
os.makedirs(os.path.dirname(get_plugins_folder()))
except FileExistsError:
pass
return</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.disable"><code class="name flex">
<span>def <span class="ident">disable</span></span>(<span>name, stop_event=True)</span>
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</code></dt>
<dd>
<section class="desc"><p>Disables a plugin</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def disable(name, stop_event = True):
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&#39;&#39;&#39;
Disables a plugin
&#39;&#39;&#39;
check()
if is_enabled(name):
enabled_plugins = get_enabled_plugins()
enabled_plugins.remove(name)
config.set(&#39;plugins.enabled&#39;, enabled_plugins, True)
if exists(name):
events.call(get_plugin(name), &#39;disable&#39;)
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if stop_event is True:
stop(name)</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.enable"><code class="name flex">
<span>def <span class="ident">enable</span></span>(<span>name, start_event=True)</span>
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</code></dt>
<dd>
<section class="desc"><p>Enables a plugin</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def enable(name, start_event = True):
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&#39;&#39;&#39;
Enables a plugin
&#39;&#39;&#39;
check()
if exists(name):
enabled_plugins = get_enabled_plugins()
if not name in enabled_plugins:
try:
events.call(get_plugin(name), &#39;enable&#39;)
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except ImportError as e: # Was getting import error on Gitlab CI test &#34;data&#34;
# NOTE: If you are experiencing issues with plugins not being enabled, it might be this resulting from an error in the module
# can happen inconsistently (especially between versions)
logger.debug(&#39;Failed to enable module; Import error: %s&#39; % e)
return False
else:
enabled_plugins.append(name)
config.set(&#39;plugins.enabled&#39;, enabled_plugins, savefile=True)
if start_event is True:
start(name)
return True
else:
return False
else:
logger.error(&#39;Failed to enable plugin \&#34;%s\&#34;, disabling plugin.&#39; % name, terminal=True)
logger.debug(&#39;Plugins folder not found: %s&#39; % get_plugins_folder(str(name).lower()))
disable(name)
return False</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.exists"><code class="name flex">
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<span>def <span class="ident">exists</span></span>(<span>name)</span>
</code></dt>
<dd>
<section class="desc"><p>Return value indicates whether or not the plugin exists</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def exists(name):
&#39;&#39;&#39;
Return value indicates whether or not the plugin exists
&#39;&#39;&#39;
return os.path.isdir(get_plugins_folder(str(name).lower()))</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.get_enabled_plugins"><code class="name flex">
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<span>def <span class="ident">get_enabled_plugins</span></span>(<span>)</span>
</code></dt>
<dd>
<section class="desc"><p>Returns a list of the enabled plugins</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def get_enabled_plugins():
&#39;&#39;&#39;
Returns a list of the enabled plugins
&#39;&#39;&#39;
check()
return list(config.get(&#39;plugins.enabled&#39;, list()))</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.get_plugin"><code class="name flex">
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<span>def <span class="ident">get_plugin</span></span>(<span>name)</span>
</code></dt>
<dd>
<section class="desc"><p>Returns the instance of a module</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def get_plugin(name):
&#39;&#39;&#39;
Returns the instance of a module
&#39;&#39;&#39;
check()
if str(name).lower() in _instances:
return _instances[str(name).lower()]
else:
_instances[str(name).lower()] = import_module_from_file(get_plugins_folder(str(name).lower(), False) + &#39;main.py&#39;)
return get_plugin(name)</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.get_plugin_data_folder"><code class="name flex">
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<span>def <span class="ident">get_plugin_data_folder</span></span>(<span>name, absolute=True)</span>
</code></dt>
<dd>
<section class="desc"><p>Returns the location of a plugin's data folder</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def get_plugin_data_folder(name, absolute = True):
&#39;&#39;&#39;
Returns the location of a plugin&#39;s data folder
&#39;&#39;&#39;
return get_plugins_folder(name, absolute)</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.get_plugins"><code class="name flex">
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<span>def <span class="ident">get_plugins</span></span>(<span>)</span>
</code></dt>
<dd>
<section class="desc"><p>Returns a list of plugins (deprecated)</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def get_plugins():
&#39;&#39;&#39;
Returns a list of plugins (deprecated)
&#39;&#39;&#39;
return _instances</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.get_plugins_folder"><code class="name flex">
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<span>def <span class="ident">get_plugins_folder</span></span>(<span>name=None, absolute=True)</span>
</code></dt>
<dd>
<section class="desc"><p>Returns the path to the plugins folder</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def get_plugins_folder(name = None, absolute = True):
&#39;&#39;&#39;
Returns the path to the plugins folder
&#39;&#39;&#39;
path = &#39;&#39;
if name is None:
path = _pluginsfolder
else:
# only allow alphanumeric characters
#path = _pluginsfolder + str(name.lower())
path = _pluginsfolder + re.sub(&#39;[^0-9a-zA-Z_]+&#39;, &#39;&#39;, str(name).lower())
if absolute is True:
path = os.path.abspath(path)
return path + &#39;/&#39;</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.import_module_from_file"><code class="name flex">
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<span>def <span class="ident">import_module_from_file</span></span>(<span>full_path_to_module)</span>
</code></dt>
<dd>
<section class="desc"><p>Import a module given the full path/filename of the .py file</p>
<p>Python 3.4</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def import_module_from_file(full_path_to_module):
&#34;&#34;&#34;
Import a module given the full path/filename of the .py file
Python 3.4
&#34;&#34;&#34;
module = None
# Get module name and path from full path
module_dir, module_file = os.path.split(full_path_to_module)
module_name, module_ext = os.path.splitext(module_file)
module_name = module_dir # Module name must be unique otherwise it will get written in other imports
# Get module &#34;spec&#34; from filename
spec = importlib.util.spec_from_file_location(module_name,full_path_to_module)
module = spec.loader.load_module()
return module</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.is_enabled"><code class="name flex">
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<span>def <span class="ident">is_enabled</span></span>(<span>name)</span>
</code></dt>
<dd>
<section class="desc"><p>Return value indicates whether or not the plugin is enabled</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
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<pre><code class="python">def is_enabled(name):
&#39;&#39;&#39;
Return value indicates whether or not the plugin is enabled
&#39;&#39;&#39;
return name in get_enabled_plugins()</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.reload"><code class="name flex">
<span>def <span class="ident">reload</span></span>(<span>stop_event=True)</span>
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</code></dt>
<dd>
<section class="desc"><p>Reloads all the plugins</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def reload(stop_event = True):
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&#39;&#39;&#39;
Reloads all the plugins
&#39;&#39;&#39;
check()
try:
enabled_plugins = get_enabled_plugins()
if stop_event is True:
logger.debug(&#39;Reloading all plugins...&#39;)
else:
logger.debug(&#39;Loading all plugins...&#39;)
if stop_event is True:
for plugin in enabled_plugins:
stop(plugin)
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for plugin in enabled_plugins:
start(plugin)
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return True
except:
logger.error(&#39;Failed to reload plugins.&#39;)
return False</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.start"><code class="name flex">
<span>def <span class="ident">start</span></span>(<span>name)</span>
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</code></dt>
<dd>
<section class="desc"><p>Starts the plugin</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def start(name):
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&#39;&#39;&#39;
Starts the plugin
&#39;&#39;&#39;
check()
if exists(name):
try:
plugin = get_plugin(name)
if plugin is None:
raise Exception(&#39;Failed to import module.&#39;)
else:
events.call(plugin, &#39;start&#39;)
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return plugin
except:
logger.error(&#39;Failed to start module \&#34;%s\&#34;.&#39; % name)
else:
logger.error(&#39;Failed to start nonexistant module \&#34;%s\&#34;.&#39; % name)
return None</code></pre>
</details>
</dd>
<dt id="src.onionrplugins.stop"><code class="name flex">
<span>def <span class="ident">stop</span></span>(<span>name)</span>
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</code></dt>
<dd>
<section class="desc"><p>Stops the plugin</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def stop(name):
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&#39;&#39;&#39;
Stops the plugin
&#39;&#39;&#39;
check()
if exists(name):
try:
plugin = get_plugin(name)
if plugin is None:
raise Exception(&#39;Failed to import module.&#39;)
else:
events.call(plugin, &#39;stop&#39;)
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return plugin
except:
logger.error(&#39;Failed to stop module \&#34;%s\&#34;.&#39; % name)
else:
logger.error(&#39;Failed to stop nonexistant module \&#34;%s\&#34;.&#39; % name)
return None</code></pre>
</details>
</dd>
</dl>
</section>
<section>
</section>
</article>
<nav id="sidebar">
<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3>Super-module</h3>
<ul>
<li><code><a title="src" href="../index.html">src</a></code></li>
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</ul>
</li>
<li><h3><a href="#header-submodules">Sub-modules</a></h3>
<ul>
<li><code><a title="src.onionrplugins.onionrevents" href="onionrevents.html">src.onionrplugins.onionrevents</a></code></li>
<li><code><a title="src.onionrplugins.onionrpluginapi" href="onionrpluginapi.html">src.onionrplugins.onionrpluginapi</a></code></li>
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</ul>
</li>
<li><h3><a href="#header-functions">Functions</a></h3>
<ul class="">
<li><code><a title="src.onionrplugins.check" href="#src.onionrplugins.check">check</a></code></li>
<li><code><a title="src.onionrplugins.disable" href="#src.onionrplugins.disable">disable</a></code></li>
<li><code><a title="src.onionrplugins.enable" href="#src.onionrplugins.enable">enable</a></code></li>
<li><code><a title="src.onionrplugins.exists" href="#src.onionrplugins.exists">exists</a></code></li>
<li><code><a title="src.onionrplugins.get_enabled_plugins" href="#src.onionrplugins.get_enabled_plugins">get_enabled_plugins</a></code></li>
<li><code><a title="src.onionrplugins.get_plugin" href="#src.onionrplugins.get_plugin">get_plugin</a></code></li>
<li><code><a title="src.onionrplugins.get_plugin_data_folder" href="#src.onionrplugins.get_plugin_data_folder">get_plugin_data_folder</a></code></li>
<li><code><a title="src.onionrplugins.get_plugins" href="#src.onionrplugins.get_plugins">get_plugins</a></code></li>
<li><code><a title="src.onionrplugins.get_plugins_folder" href="#src.onionrplugins.get_plugins_folder">get_plugins_folder</a></code></li>
<li><code><a title="src.onionrplugins.import_module_from_file" href="#src.onionrplugins.import_module_from_file">import_module_from_file</a></code></li>
<li><code><a title="src.onionrplugins.is_enabled" href="#src.onionrplugins.is_enabled">is_enabled</a></code></li>
<li><code><a title="src.onionrplugins.reload" href="#src.onionrplugins.reload">reload</a></code></li>
<li><code><a title="src.onionrplugins.start" href="#src.onionrplugins.start">start</a></code></li>
<li><code><a title="src.onionrplugins.stop" href="#src.onionrplugins.stop">stop</a></code></li>
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</ul>
</li>
</ul>
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