setup.py: No longer need to convert README.md markdown to RST for PyPI

Author: bxparks

CHANGELOG.md

@@ -7,6 +7,7 @@
       [#49](https://github.com/bxparks/bigquery-schema-generator/issues/49).
     * Add GitHub actions for automated tests and flake8 validation.
     * Add package `__version__` string.
+    * Update setup.py, no longer need to convert README.md markdown to RST.
 * 1.0 (2020-04-04)
     * Fix `--sanitize_names` for recursive RECORD fields (Thanks riccardomc@,
       see #43).

setup.py

@@ -1,17 +1,9 @@
 from setuptools import setup
 
-# Convert README.md to README.rst because PyPI does not support Markdown.
-try:
-    import pypandoc
-    long_description = pypandoc.convert('README.md', 'rst', format='md')
-except:  # noqa: E722
-    # If unable to convert, try inserting the raw README.md file.
-    try:
-        with open('README.md', encoding="utf-8") as f:
-            long_description = f.read()
-    except:  # noqa: E722
-        # If all else fails, use some reasonable string.
-        long_description = 'BigQuery schema generator.'
+# Slurp in the README.md. PyPI finally supports Markdown, so we no longer need
+# to convert it to RST.
+with open('README.md', encoding="utf-8") as f:
+    long_description = f.read()
 
 # Read the version string from bigquery_schema_generator/version.py.
 # See https://packaging.python.org/guides/single-sourcing-package-version/
@@ -27,12 +19,13 @@
     version=version_string,
     description='BigQuery schema generator from JSON or CSV data',
     long_description=long_description,
+    long_description_content_type="text/markdown",
     url='https://github.com/bxparks/bigquery-schema-generator',
     author='Brian T. Park',
     author_email='[email protected]',
     license='Apache 2.0',
     packages=['bigquery_schema_generator'],
-    python_requires='~=3.6',
+    python_requires='>=3.6',
     entry_points={
         'console_scripts': [
             'generate-schema = bigquery_schema_generator.generate_schema:main'