Rewrite the plugin doc generation script so it actually works.

Depends on Limnoria >= 2021.04.05, both for supybot-plugin-doc updates
and reorganized documentation in plugins

.gitignore

@@ -8,3 +8,6 @@ logs/
 backup/
 data/
 tmp/
+
+# auto-generated:
+use/plugins/

generate_plugin_doc.py

@@ -1,83 +1,50 @@
-#!/usr/bin/env python2
-
-from __future__ import with_statement
+#!/usr/bin/env python3
 
 import os
-import re
-import sys
+import pkgutil
+import subprocess
+import textwrap
 
-# Commands instances are converted into SynchronizedAndFirewalled
-from supybot.callbacks import SynchronizedAndFirewalled as Commands
+import supybot.plugins
 
-validCommandName = re.compile('^[a-z]+$')
+OUTPUT_DIR = os.path.join(os.path.dirname(__file__), "use", "plugins")
 
-sys.path.append('/home/progval/workspace/Supybot/Supybot-plugins')
+def iter_subpackages(package):
+    for importer, modname, ispkg in pkgutil.iter_modules(package.__path__):
+        if ispkg:
+            yield modname
 
-def main():
-    pluginNames = sys.argv[1:]
-    for pluginName in pluginNames:
-        supybot = __import__('%s.plugin' % pluginName)
-        PluginClass = supybot.plugin.Class
-        filename = 'use/plugins/%s.rst' % pluginName.lower()
-        try:
-            os.unlink(filename)
-        except OSError:
-            pass
-        with open(filename, 'a') as fd:
-            fd.write('\n.. _plugin-%s:\n\nThe %s plugin\n' %
-                     (pluginName.lower(), pluginName))
-            fd.write('='*len('The %s plugin' % pluginName))
-            fd.write('\n\n')
-            writeDoc(PluginClass, fd, pluginName.lower())
+os.makedirs(OUTPUT_DIR, exist_ok=True)
 
-def writeDoc(PluginClass, fd, prefix):
-    prefix += ' '
-    for attributeName, attribute in PluginClass.__dict__.items():
-        if not callable(attribute):
-            continue
-        if not validCommandName.match(attributeName):
-            continue
-        if attributeName == 'die':
-            continue
-        if isinstance(attribute, Commands):
-            writeDoc(attribute, fd, prefix + attributeName)
-        else:
-            if attribute.__doc__ is None:
-                attribute.__doc__ = ''
-            syntax = attribute.__doc__.split('\n\n')[0].strip()
-            if syntax == 'takes no arguments' or syntax == '' or syntax == '':
-                syntax = ''
-            else:
-                syntax = ' ' + syntax
-            args = {
-                    'prefix_dash': prefix.replace(' ', '-'),
-                    'command': attributeName, # Does not contain spaces
-                    'prefix_with_trailing_space': prefix,
-                    'syntax': syntax,
-                    'help_string': parseHelpString(attribute.__doc__),
-            }
-            args['decoration'] = '^'*len('%(prefix_with_trailing_space)s%(command)s%(syntax)s' %
-                    args)
-            fd.write('.. _command-%(prefix_dash)s%(command)s:\n\n'
-                     '%(prefix_with_trailing_space)s%(command)s%(syntax)s\n'
-                     '%(decoration)s\n\n'
-                     '%(help_string)s\n\n' % args)
+subprocess.run([
+    "supybot-plugin-doc",
+    "--plugins-dir", os.path.dirname(supybot.plugins.__file__),
+    "-o", OUTPUT_DIR,
+    "-f", "rst",
+    "--title-template", "$name",
+    ], check=True)
 
-def parseHelpString(string):
-    # Remove the syntax
-    string = '\n\n'.join(string.split('\n\n')[1:])
-    # Remove the starting and ending spaces
-    string = '\n'.join([x.strip(' ') for x in string.split('\n')])
-    if string.endswith('\n'):
-        string = string[0:-1]
-    # Put the argument names into italic
-    string = re.sub(r'(<[^>]+>)', r'*\1*', string, re.M)
-    string = re.sub(r'(--[^ ]+)', r'*\1*', string, re.M)
-    # Turn config variable names into refs
-    string = re.sub(r'(supybot.[a-zA-Z0-9.]+)', r':ref:`\1`', string, re.M)
-    return string
+plugins = list(iter_subpackages(supybot.plugins))
 
+with open(os.path.join(OUTPUT_DIR, "index.rst"), "w") as fd:
+    fd.write(
+        textwrap.dedent(
+            """
+            Built-in plugins reference
+            ==========================
 
-if __name__ == '__main__':
-    main()
+            Here is a list of all built-in plugins and their commands
+            and configuration.
+            For an overview of all major plugins, see
+            `Limnoria.net's plugin page`_
 
+            .. _Limnoria.net's plugin page: https://limnoria.net/plugins.xhtml
+
+            .. toctree::
+               :maxdepth: 1
+
+            """
+        )
+    )
+    for plugin in plugins:
+        fd.write(f"   {plugin}\n")

use/index.rst

@@ -14,6 +14,11 @@ User Guide
     identifying_to_services.rst
     capabilities.rst
     security.rst
-    faq.rst
     httpserver.rst
     supybot-botchk.rst
+    faq.rst
+
+.. toctree::
+    :maxdepth: 1
+
+    plugins/index.rst