Add readthedocs config and add sphinx-pyreverse to doc requirements

Author: Dominik Gresch

.gitignore

@@ -38,13 +38,6 @@ MANIFEST
 *.tar.gz
 files*.txt
 
-# ignoring the _ptools git
-z2pack/_ptools/.git
-z2pack/_ptools/.gitignore
-
-# selectively choose _ptools
-z2pack/_ptools/*
-
 # debug folder
 debug
 
@@ -59,3 +52,6 @@ tests/.pytest_cache
 .coverage
 .coverage*
 htmlcov
+
+# editors
+.vscode

.readthedocs.yml

@@ -0,0 +1,22 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the doc/ directory with Sphinx
+sphinx:
+  configuration: doc/source/conf.py
+
+# Optionally build your docs in additional formats such as PDF and ePub
+formats: []
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 3.7
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - doc

setup.py

@@ -27,7 +27,7 @@
 EXTRAS = {
     'plot': ['matplotlib'],
     'tb': ['tbmodels>=1.1.1'],
-    'doc': ['sphinx', 'sphinx_rtd_theme'],
+    'doc': ['sphinx', 'sphinx_rtd_theme', 'sphinx-pyreverse'],
     'dev': [
         'prospector==1.1.2', 'pytest>=3.4', 'pytest-cov', 'yapf==0.24',
         'pre-commit==1.11.1', 'pylint==2.1.1'