enable edit on github link (#337)

* enable edit on github link

* fix notedown notebooks

Makefile

@@ -34,6 +34,16 @@ lint:
 
 docs: release
 	make -C docs html SPHINXOPTS=-W
+	for f in $(shell find docs/examples -type f -name '*.md' -print) ; do \
+		FILE=`echo $$f | sed 's/docs\///g'` ; \
+		DIR=`dirname $$FILE` ; \
+		BASENAME=`basename $$FILE` ; \
+		HTML_BASENAME=`echo $$BASENAME | sed 's/md/html/'` ; \
+		IPYNB_BASENAME=`echo $$BASENAME | sed 's/md/ipynb/'` ; \
+		TARGET_HTML="docs/_build/html/$$DIR/$$HTML_BASENAME" ; \
+		echo "processing" $$BASENAME ; \
+		sed -i "s/$$IPYNB_BASENAME/$$BASENAME/g" $$TARGET_HTML; \
+	done;
 
 clean:
 	git clean -f -d -x --exclude="$(ROOTDIR)/tests/externaldata/*" --exclude=conda

docs/conf.py

@@ -50,7 +50,6 @@
     'sphinx.ext.autodoc',
     'sphinx.ext.autosummary',
     'sphinx.ext.intersphinx',
-    'sphinx.ext.viewcode',
     'sphinx.ext.napoleon',
     'sphinx.ext.mathjax',
     'sphinx_gallery.gen_gallery',
@@ -67,6 +66,16 @@
 nbsphinx_timeout = 1200
 html_sourcelink_suffix = ''
 
+html_context = {
+    'display_github': True,
+    'github_user': 'dmlc',
+    'github_repo': 'gluon-nlp',
+    'github_version': 'master',
+    'conf_py_path': '/docs/',
+    'last_updated': False,
+    'commit': True
+}
+
 nbsphinx_prolog = """
 {% set paths = env.docname.split('/') %}