[Docs] Move apidoc command to Sphinx config

The apidoc modules were not being generated on ReadTheDocs because
there is no way to run sphinx-apidoc manually.

Moved the running of sphinx-apidoc into conf.py.

Added zope.interface minimum version to fix Readthedocs warning.

docs/source/conf.py

@@ -18,6 +18,7 @@
 import pkg_resources
 from recommonmark.states import DummyStateMachine
 from recommonmark.transform import AutoStructify
+from sphinx.ext import apidoc
 from sphinx.ext.autodoc import ClassDocumenter, bool_option
 
 try:
@@ -297,7 +298,26 @@ def maybe_skip_member(app, what, name, obj, skip, options):
         return True
 
 
+# Run the sphinx-apidoc to create package/modules rst files for autodoc.
+def run_apidoc(__):
+    cur_dir = os.path.abspath(os.path.dirname(__file__))
+    module_dir = os.path.join(cur_dir, '..', '..', 'deluge')
+    ignore_paths = [
+        os.path.join(module_dir, 'plugins'),
+        os.path.join(module_dir, 'tests'),
+    ]
+    argv = [
+        '--force',
+        '--no-toc',
+        '--output-dir',
+        os.path.join(cur_dir, 'modules'),
+        module_dir,
+    ] + ignore_paths
+    apidoc.main(argv)
+
+
 def setup(app):
+    app.connect('builder-inited', run_apidoc)
     app.connect('autodoc-skip-member', maybe_skip_member)
     app.add_config_value('recommonmark_config', {}, True)
     app.add_transform(AutoStructify)

requirements.txt

@@ -9,4 +9,4 @@ setproctitle
 pywin32; sys.platform == 'win32'
 py2-ipaddress; sys.platform == 'win32'
 certifi; sys.platform == 'win32'
-zope.interface
+zope.interface>=4.4.2

setup.py

@@ -72,18 +72,6 @@ def run_tests(self):
         sys.exit(errcode)
 
 
-class BuildDocs(BuildDoc):
-    description = 'Build the documentation'
-
-    def run(self):
-        print('Generating module documentation...')
-        os.system(
-            'sphinx-apidoc --force --no-toc'
-            ' -o docs/source/modules/ deluge deluge/plugins'
-        )
-        BuildDoc.run(self)
-
-
 class CleanDocs(cmd.Command):
     description = 'Clean the documentation build and module rst files'
     user_options = []
@@ -454,7 +442,7 @@ def run(self):
     'build_webui': BuildWebUI,
     'build_trans': BuildTranslations,
     'build_plugins': BuildPlugins,
-    'build_docs': BuildDocs,
+    'build_docs': BuildDoc,
     'install_data': InstallData,
     'clean_plugins': CleanPlugins,
     'clean_trans': CleanTranslations,

tox.ini

@@ -160,7 +160,6 @@ skip_install = True
 deps = {[docsbase]deps}
 commands =
     python setup.py clean_docs
-    sphinx-apidoc --force --no-toc -o docs/source/modules/ deluge deluge/plugins
     sphinx-build -v -j auto -E -T -b html -d docs/build/doctrees docs/source docs/build/html
 
 [testenv:docscoverage]