add argparse & the ability to deploy site

build.py

@@ -1,21 +1,14 @@
 #!/usr/bin/env python3
 
-# Usage:
-#
-# cd ~/src/www-builder
-# python3 build.py
-# cd output
-# cp -r * ~/src/www-home
-# cd ~/src/www-home
-# git status
-# git add [some stuff]
-# git commit
-# git push
+# Assumes that there's a directory named ~/src/www-home which is a git repo
+# that the contents of output/ can be copied to, committed, & pushed to the
+# production server.
 
 # TODO: replace gallery.tinyletterapp.com images with locally hosted content.
 # TODO: in template.html, add apple touch icon, maybe other favicon sizes.
 # TODO: local mirrors of all papers in publications.html
 
+import argparse
 import glob
 import markdown
 import os
@@ -26,6 +19,7 @@ import shutil
 input_directory = 'content'
 static_directory = 'static'
 output_directory = 'output'
+deploy_directory = '~/src/www-home'
 
 md_extensions = ['fenced_code', 'codehilite', 'nl2br', 'toc', 'smarty', 'tables', 'linkify']
 
@@ -104,13 +98,39 @@ def make_rss():  # TODO: implement.
   pass
 
 
+def deploy_site():
+  os.system('cp -r output/* %s' % deploy_directory)
+  os.chdir(os.path.expanduser(deploy_directory))
+  os.system('git add .')
+  os.system('git commit -m "automated update from build.py"')
+  os.system('git push')
+
+
 def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument(
+      '--clean', action='store_true',
+      help='wipe the output directory before running')
+  parser.add_argument(
+      '--fast', action='store_true',
+      help='only rebuild content files')
+  parser.add_argument(
+      '--deploy', action='store_true',
+      help='deploy the site by pushing to the www-home git repo')
+  args = parser.parse_args()
+
+  if args.clean:
+    shutil.rmtree(output_directory)
   os.makedirs(output_directory, exist_ok=True)
-  copy_static_files()
+  if not args.fast:
+    copy_static_files()
   process_markdown_files()
   make_sitemap()
   make_rss()
 
+  if args.deploy:
+    deploy_site()
+
 
 if __name__ == '__main__':
   main()