101 lines
2.5 KiB
Python
Executable File
101 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
'''
|
|
Transforms a file into a web-servable file.
|
|
|
|
In most cases this entails either
|
|
|
|
+ just symlinking, or
|
|
+ transforming a page to html
|
|
'''
|
|
|
|
import sys
|
|
import os
|
|
import html
|
|
import subprocess
|
|
|
|
|
|
def read(path):
|
|
with open(path) as f:
|
|
return f.read()
|
|
|
|
def write(path, text):
|
|
with open(path, 'w') as f:
|
|
f.write(text)
|
|
|
|
|
|
script_dir = os.path.dirname(__file__)
|
|
base_dir = os.path.split(script_dir)[0]
|
|
template_dir = os.path.join(base_dir, 'template')
|
|
template_base_file = os.path.join(template_dir, 'base.html')
|
|
template_base = read(template_base_file)
|
|
|
|
|
|
def pandoc(filename):
|
|
proc = subprocess.run(['pandoc', filename], stdout=subprocess.PIPE)
|
|
return proc.stdout.decode('utf-8').strip()
|
|
|
|
def indent_block(t, block):
|
|
return '\n'.join(t + line for line in block.split('\n'))
|
|
|
|
def extract_markdown_title(filename):
|
|
with open(filename) as f:
|
|
for line in f:
|
|
if line.startswith('# '):
|
|
return line[2:].strip()
|
|
if filename.endswith('.md'):
|
|
return os.path.basename(filename)[:-3]
|
|
|
|
def markdown_to_html(input_file, output_dir):
|
|
title = extract_markdown_title(input_file)
|
|
title = html.escape(title)
|
|
content = indent_block(8 * ' ', pandoc(input_file))
|
|
html_out = template_base.format(title=title, content=content)
|
|
output_file = os.path.join(
|
|
output_dir,
|
|
os.path.splitext(os.path.basename(input_file))[0]
|
|
+ '.html')
|
|
write(output_file, html_out)
|
|
|
|
def symlink_relative(input_file, output_dir):
|
|
in_path_abs = os.path.abspath(input_file)
|
|
os.chdir(output_dir)
|
|
in_path_rel = os.path.relpath(in_path_abs)
|
|
output_file = os.path.basename(input_file)
|
|
os.symlink(in_path_rel, output_file)
|
|
|
|
def get_extension(filename):
|
|
_, extension = os.path.splitext(filename)
|
|
extension = extension[1:]
|
|
return extension
|
|
|
|
def transform(input_file, output_dir):
|
|
extension = get_extension(input_file)
|
|
|
|
actions = {
|
|
'md': lambda: markdown_to_html(input_file, output_dir)
|
|
}
|
|
try:
|
|
action = actions[extension]
|
|
except KeyError:
|
|
action = lambda: symlink_relative(input_file, output_dir)
|
|
action()
|
|
return 0
|
|
|
|
def main(args):
|
|
try:
|
|
[input_file, output_dir] = args
|
|
except ValueError:
|
|
print_usage()
|
|
return 1
|
|
|
|
transform(input_file, output_dir)
|
|
|
|
def print_usage():
|
|
print('''\
|
|
usage: transform-file.py INPUT_FILE OUTPUT_DIRECTORY
|
|
''')
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main(sys.argv[1:]))
|