258 lines
7.0 KiB
Python
258 lines
7.0 KiB
Python
#!/usr/bin/env python3
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# Assumes that there's a directory named ~/src/www-home which is a git repo
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# that the contents of output/ can be copied to, committed, & pushed to the
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# production server.
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# TODO: in template.html, add apple touch icon, maybe other favicon sizes.
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# Requirements:
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# sudo apt install python3-markdown
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# sudo apt install python3-smartypants
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# sudo apt install python3-bs4
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import argparse
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from bs4 import BeautifulSoup
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import datetime
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import glob
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import html
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from io import StringIO
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import markdown
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import operator
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import os
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import re
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import shutil
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input_directory = 'content'
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static_directory = 'static'
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output_directory = 'output'
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deploy_directory = '~/src/www-home'
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md_extensions = [
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'fenced_code', 'codehilite', 'nl2br', 'toc', 'smarty', 'tables', 'linkify']
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blog_entries = []
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def print_file(in_file, out_file):
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print('%-62s -> %s' % (in_file, out_file))
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def copy_static_files():
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for (dirpath, _, filenames) in os.walk(static_directory):
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for filename in filenames:
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source = os.path.join(dirpath, filename)
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out_path = dirpath.replace(static_directory, '', 1)
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out_path = out_path.lstrip('/')
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dest_dir = os.path.join(output_directory, out_path)
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os.makedirs(dest_dir, exist_ok=True)
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dest = os.path.join(dest_dir, filename)
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print_file(source, dest)
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shutil.copy2(source, dest)
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def copy_style_css():
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style_source = os.path.join(static_directory, 'style.css')
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style_dest = os.path.join(output_directory, 'style.css')
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print_file(style_source, style_dest)
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shutil.copy2(style_source, style_dest)
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def find_update_date(text):
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match = re.search(r'^\*?Posted (\d{4}-\d{2}-\d{2})', text, re.MULTILINE)
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if not match:
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return None
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return match.group(1)
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def find_summary(html_content):
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text = BeautifulSoup(html_content, features='lxml').get_text()
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lines = text.split('\n')
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result = ' '.join(lines[2:4])
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return html.escape(result, quote=False)
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def process_markdown_files():
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template = open('template.html').read()
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for (dirpath, _, filenames) in os.walk(input_directory):
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for filename in filenames:
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markdown_filename = os.path.join(dirpath, filename)
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if not markdown_filename.endswith('.md'):
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continue
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blog_entry = {}
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markdown_file = open(markdown_filename)
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text = markdown_file.read()
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markdown_file.close()
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if not text.startswith('# '):
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text = '# ' + text
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match = re.match(r'^(.*?)\n', text)
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if match:
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title = match.group(1).lstrip('# ')
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else:
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title = text
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blog_entry['title'] = html.escape(title, quote=False)
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title += ' | Colin McMillen'
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if markdown_filename == os.path.join(input_directory, 'index.md'):
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title = 'Colin McMillen'
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out_filename = os.path.basename(markdown_filename).replace('.md', '.html')
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out_dirpath = os.path.join(output_directory, dirpath)
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out_dirpath = out_dirpath.replace('/content', '', 1)
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out_fullpath = os.path.join(out_dirpath, out_filename)
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page_url = out_fullpath.replace('output/', '', 1)
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if page_url.endswith('index.html'): # strip off index.html
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page_url = page_url[:-len('index.html')]
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html_content = markdown.markdown(
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text, extensions=md_extensions, output_format='html5')
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summary = find_summary(html_content)
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output = template.format(
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title=title, content=html_content, page_url=page_url, summary=summary)
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update_date = find_update_date(text)
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if update_date:
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blog_entry['url'] = 'https://www.mcmillen.dev/' + page_url
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blog_entry['date'] = update_date
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blog_entry['summary'] = summary
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blog_entry['content'] = html_content
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blog_entries.append(blog_entry)
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os.makedirs(out_dirpath, exist_ok=True)
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print_file(markdown_filename, out_fullpath)
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out_file = open(out_fullpath, 'w')
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out_file.write(output)
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out_file.close()
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def make_sitemap():
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sitemap_command = ' '.join("""
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find output -regextype posix-extended -regex '.*.(html|pdf)$' |
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grep -v ^output/google |
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grep -v ^output/drafts |
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perl -pe 's|output|https://www.mcmillen.dev|'
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> output/sitemap.txt""".split('\n'))
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print_file('', 'output/sitemap.txt')
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os.system(sitemap_command)
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def make_atom_feed():
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atom_template = '''<?xml version="1.0" encoding="utf-8"?>
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<feed xmlns="http://www.w3.org/2005/Atom">
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<title>Colin McMillen's Blog</title>
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<link href="https://www.mcmillen.dev"/>
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<link rel="self" href="https://www.mcmillen.dev/feed.atom"/>
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<updated>{last_update}</updated>
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<author>
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<name>Colin McMillen</name>
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</author>
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<id>https://www.mcmillen.dev/</id>
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{entries}
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</feed>
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'''
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entry_template = '''
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<entry>
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<title>{title}</title>
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<id>{url}</id>
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<link rel="alternate" href="{url}"/>
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<content type="html">
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<![CDATA[
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{content}
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]]>
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</content>
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<updated>{updated}</updated>
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</entry>
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'''
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blog_entries.sort(key=operator.itemgetter('date'))
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entries_io = StringIO()
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for entry in blog_entries:
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# We lie and pretend that all entries were written at noon EST.
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update_date = entry['date'] + 'T12:00:00-04:00'
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entries_io.write(entry_template.format(
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url=entry['url'],
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title=entry['title'],
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updated=update_date,
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summary=entry['summary'],
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content=entry['content']))
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entries_text = entries_io.getvalue()
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now = datetime.datetime.now()
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last_update = datetime.datetime.isoformat(now, 'T', 'seconds') + '-04:00'
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atom_feed = atom_template.format(
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last_update=last_update,
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entries=entries_io.getvalue())
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entries_io.close()
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atom_filename = os.path.join(output_directory, 'feed.atom')
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print_file('', atom_filename)
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atom_file = open(atom_filename, 'w')
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atom_file.write(atom_feed)
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atom_file.close()
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def copy_site():
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os.system('cp -r output/* %s' % deploy_directory)
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def deploy_site():
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copy_site()
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os.chdir(os.path.expanduser(deploy_directory))
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os.system('git add .')
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os.system('git commit -m "automated update from build.py"')
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os.system('git push')
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--clean', action='store_true',
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help='wipe the output directory before running')
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parser.add_argument(
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'--fast', action='store_true',
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help='only rebuild content files')
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parser.add_argument(
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'--copy', action='store_true',
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help='copy output files to www-home git repo')
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parser.add_argument(
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'--deploy', action='store_true',
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help='deploy the site by pushing the www-home git repo to production')
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args = parser.parse_args()
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if args.clean:
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shutil.rmtree(output_directory)
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os.makedirs(output_directory, exist_ok=True)
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if args.fast:
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copy_style_css()
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else:
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copy_static_files()
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process_markdown_files()
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make_sitemap()
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make_atom_feed()
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if args.copy and not args.deploy:
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copy_site()
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if args.deploy:
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if args.fast:
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print('cowardly refusing to deploy a site that was built with --fast')
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else:
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deploy_site()
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if __name__ == '__main__':
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main()
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