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111 lines
2.4 KiB
Python
111 lines
2.4 KiB
Python
7 years ago
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#!/usr/bin/env python3
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# * Imports
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import os
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import subprocess
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import multiprocessing
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import functools
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from collections import namedtuple
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# * Variables
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sites_dir="sites"
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themes_dir = "themes"
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css_dir = "css"
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common_deps = ["styl/index.styl", "styl/mixins.styl"]
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CSS = namedtuple("CSS", ['path', 'deps', 'theme', 'site'])
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# * Functions
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def main():
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"Build CSS files that need to be built."
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css_files = list_css(themes(), sites())
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# Make directories first to avoid race condition
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for css in css_files:
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dir = os.path.join(css_dir, css.theme)
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if not os.path.isdir(dir):
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os.makedirs(dir)
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pool = multiprocessing.Pool(multiprocessing.cpu_count())
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pool.map(build, css_files)
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def build(css):
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"Build CSS file if necessary."
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css_mtime = mtime(css.path)
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make = False
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for dep in css.deps:
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if mtime(dep) > css_mtime:
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make = True
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break
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if make:
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stylus(css)
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def stylus(css):
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"Run Stylus to build CSS file."
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output_file = css.path
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command = ["stylus", "--include", "styl",
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"--import", "themes/%s.styl" % css.theme,
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"--import", "styl",
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"-p", "sites/%s.styl" % css.site]
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result = subprocess.check_output(command)
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with open(output_file, "wb") as f:
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f.write(result)
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print(output_file)
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def list_css(themes, sites):
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"Return list of CSS files for THEMES and SITES."
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return [CSS("%s/%s/%s.css" % (css_dir, theme, site),
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dependencies(theme, site), theme, site)
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for theme in themes
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for site in sites]
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def themes():
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"Return list of themes."
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for path, dirs, files in os.walk(themes_dir):
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return [theme.replace(".styl", "") for theme in files]
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def sites():
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"Return list of sites."
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for path, dirs, files in os.walk(sites_dir):
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return [site.replace(".styl", "") for site in files]
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def dependencies(theme, site):
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"Return list of dependency .styl files for THEME and SITE."
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deps = list(common_deps)
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deps += ["themes/%s.styl" % theme, "sites/%s.styl" % site]
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if site == "all-sites":
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deps += ["sites/%s.styl" % s for s in sites()]
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return deps
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@functools.lru_cache()
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def mtime(path):
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"Return mtime for PATH."
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if os.path.isfile(path):
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return os.path.getmtime(path)
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else:
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return 0
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# * Footer
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if __name__ == "__main__":
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main()
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