Update RTD to build pydeck and generate HTML on the server

.readthedocs.yml

@@ -11,5 +11,10 @@ sphinx:
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
+  version: 3.7
   install:
     - requirements: bindings/pydeck/requirements-dev.txt
+    - requirements: bindings/pydeck/requirements.txt
+    - method: pip
+      path: bindings/pydeck
+  system_packages: true

bindings/pydeck/docs/conf.py

@@ -1,10 +1,9 @@
 # -*- coding: utf-8 -*-
 # Point Sphinx autodoc at our source
 import os
+import subprocess
 import sys
 
-from docs.scripts import embed_examples
-
 sys.path.insert(0, os.path.abspath("../"))
 
 project = "pydeck"
@@ -37,4 +36,12 @@
 
 
 def setup(app):
-    embed_examples.main()
+    if os.environ.get("READTHEDOCS"):
+        print("RTD running in the following directory:", os.getcwd())
+        subprocess.call(
+            "{python} bindings/pydeck/docs/scripts/embed_examples.py".format(python=sys.executable), shell=True,
+        )
+    else:
+        from docs.scripts import embed_examples  # noqa
+
+        embed_examples.main()