[DOCS] Cleanup docs build instructions. (apache#6094)

docker/Dockerfile.ci_gpu

@@ -40,10 +40,6 @@ RUN bash /install/ubuntu_install_python_package.sh
 COPY install/ubuntu_install_sphinx.sh /install/ubuntu_install_sphinx.sh
 RUN bash /install/ubuntu_install_sphinx.sh
 
-# Fix recommonmark to latest version
-RUN git clone --depth=1 https://github.com/rtfd/recommonmark
-RUN cd recommonmark; python3 setup.py install
-
 # Enable doxygen for c++ doc build
 RUN apt-get update && apt-get install -y doxygen graphviz libprotobuf-dev protobuf-compiler
 

docs/README.txt

@@ -5,7 +5,7 @@ This folder contains the source of TVM documents
 - A hosted version of doc is at https://tvm.apache.org/docs
 - pip install sphinx>=1.5.5 sphinx-gallery sphinx_rtd_theme matplotlib Image recommonmark "Pillow<7"
 - Build tvm first in the root folder.
-- To build locally, you need to enable USE_CUDA, USE_OPENCL, LLVM_CONFIG in config.mk and then type "make html" in this folder.
+- To build locally, you need to enable USE_CUDA, USE_OPENCL, LLVM_CONFIG in config.cmake and then type "make html" in this folder.
 
 Only Execute Specified Tutorials
 --------------------------------
@@ -26,3 +26,20 @@ To only build one specific file, do
 # The slash \ is used to get . in regular expression
 TVM_TUTORIAL_EXEC_PATTERN=file_name\.py make html
 ```
+
+Helper Scripts
+--------------
+
+You can run the following script to reproduce the CI sphinx pre-check stage.
+This script skips the tutorial executions and is useful for quickly check the content.
+
+```bash
+./tests/scrpts/task_sphinx_precheck.sh
+```
+
+The following script runs the full build which includes tutorial executions.
+You will need a gpu CI environment.
+
+```bash
+./tests/scrpts/task_python_docs.sh
+```

docs/conf.py

@@ -33,10 +33,7 @@
 import inspect
 import os, subprocess
 import shlex
-import recommonmark
 import sphinx_gallery
-from recommonmark.parser import CommonMarkParser
-from recommonmark.transform import AutoStructify
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -54,11 +51,6 @@
 copyright = u'2020, %s' % author
 github_doc_root = 'https://github.com/apache/incubator-tvm/tree/master/docs/'
 
-# add markdown parser
-CommonMarkParser.github_doc_root = github_doc_root
-source_parsers = {
-    '.md': CommonMarkParser
-}
 os.environ['TVM_BUILD_DOC'] = '1'
 # Version information.
 import tvm
@@ -285,8 +277,3 @@ def process_docstring(app, what, name, obj, options, lines):
 def setup(app):
     app.connect('autodoc-process-docstring', process_docstring)
     app.add_css_file('css/tvm_theme.css')
-    app.add_config_value('recommonmark_config', {
-        'url_resolver': lambda url: github_doc_root + url,
-        'auto_doc_ref': True
-            }, True)
-    app.add_transform(AutoStructify)