solarized-everything-css/make.py

263 lines
6.9 KiB
Python
Executable File

#!/usr/bin/env python3
# * Imports
import os
import shutil
import subprocess
import sys
import multiprocessing
import functools
from collections import namedtuple
from tempfile import mkstemp
# * Variables
sites_dir="sites"
themes_dir = "themes"
css_dir = "css"
screenshots_dir="screenshots"
phantomjs_command = "phantomjs --ssl-protocol=any --ignore-ssl-errors=true screenshot.js".split()
common_deps = ["styl/index.styl", "styl/mixins.styl"]
CSS = namedtuple("CSS", ['path', 'deps', 'theme', 'site'])
Theme = namedtuple("Theme", ['name', 'styl_path', 'support_files'])
# * Functions
def main():
"Update CSS files by default, or update screenshots."
if len(sys.argv) > 1 and sys.argv[1] == "screenshots":
update_screenshots()
else:
update_css_files()
# ** CSS
def update_css_files():
"Build CSS files that need to be built."
css_files = list_css(themes(), sites())
# Make directories first to avoid race condition
for css in css_files:
dir = os.path.join(css_dir, css.theme.name)
if not os.path.isdir(dir):
os.makedirs(dir)
pool = multiprocessing.Pool(multiprocessing.cpu_count())
pool.map(build, css_files)
def build(css):
"Build CSS file if necessary."
css_mtime = mtime(css.path)
make = False
for dep in css.deps:
if mtime(dep) > css_mtime:
make = True
break
if make:
stylus(css)
def stylus(css):
"Run Stylus to build CSS file."
output_file = css.path
command = ["stylus", "--include", "styl",
"--import", css.theme.styl_path,
"--import", "styl",
"-p", "sites/%s.styl" % css.site]
result = subprocess.check_output(command)
with open(output_file, "wb") as f:
f.write(result)
print(output_file)
# ** Screenshots
def update_screenshots():
"Update screenshots."
css_files = list_css(themes(), sites())
if not os.path.isdir(screenshots_dir):
# If the directory does not exist, create a new worktree for it.
# Assumes the screenshots branch exists.
subprocess.call(["git", "worktree", "prune"])
subprocess.call(["git", "worktree", "add",
screenshots_dir, "screenshots"])
# Make directories first to avoid race condition
for css in css_files:
output_dir = os.path.join(screenshots_dir, css.theme.name)
if not os.path.isdir(output_dir):
os.makedirs(output_dir)
pool = multiprocessing.Pool(multiprocessing.cpu_count())
pool.map(update_screenshot, css_files)
commit_screenshots()
def commit_screenshots():
if os.path.exists(os.path.join(screenshots_dir, ".git")):
subprocess.call(["git", "-C", screenshots_dir,
"add", "-A"])
# amend changes instead of keeping them to save space
subprocess.call(["git", "-C", screenshots_dir,
"commit", "--amend", "-m", "Update screenshots"])
else:
print("screenshot dir was not a worktree, aborting commit")
def update_screenshot(css):
"Update screenshot for CSS if necessary."
screenshot_path = screenshot_path_for_css(css)
if mtime(css.path) > mtime(screenshot_path):
save_screenshot(css)
def screenshot_path_for_css(css):
"Return path of screenshot for CSS."
return os.path.join(screenshots_dir, css.theme.name, "%s.png" % css.site)
def save_screenshot(css):
"Save screenshot for CSS."
# Prepare filename
screenshot_path = screenshot_path_for_css(css)
# Get URL
url = css_screenshot_url(css)
if not url:
# Screenshot disabled
return False
# Prepare command
command = list(phantomjs_command)
command.extend([url, screenshot_path, css.path])
# Run PhantomJS
subprocess.check_output(command)
# Compress with pngcrush
_, tempfile_path = mkstemp(suffix=".png")
subprocess.check_output(["pngcrush", screenshot_path, tempfile_path], stderr=subprocess.DEVNULL)
shutil.move(tempfile_path, screenshot_path)
print(screenshot_path)
def css_screenshot_url(css):
"Return URL for taking screenshots of CSS."
# Get site URL
site_url_filename = os.path.join(sites_dir, css.site + ".url")
if os.path.exists(site_url_filename):
with open(site_url_filename, "r") as f:
url = f.readlines()
if url:
# Use URL given in .url file
url = url[0].strip()
else:
# Use name of site file (without .styl extension)
url = "http://" + css.site
return url
# ** Support
def list_css(themes, sites):
"Return list of CSS files for THEMES and SITES."
return [CSS("%s/%s/%s-%s.css" % (css_dir, theme.name, theme.name,
site.strip('_')),
dependencies(theme, site), theme, site)
for theme in themes
for site in sites]
def themes():
"Return list of themes."
theme_names = []
themes = []
# Make list of theme directories
for d in os.listdir(themes_dir):
theme_names.append(d)
# Iterate over theme directories
for theme in theme_names:
support_files = []
variant_files = []
directory = os.path.join(themes_dir, theme)
# Iterate over files in theme directory
for f in os.listdir(directory):
path = os.path.join(themes_dir, theme, f)
if f == "colors.styl":
# Support file
support_files.append(path)
elif f.endswith(".styl"):
# Theme file
variant_files.append({'variant': without_styl(f), 'path': path})
# Otherwise, not a relevant file
# Add theme object to list
if len(variant_files) == 1:
# Only one variant: omit variant name from theme name
themes.append(Theme(theme, variant_files[0]['path'], support_files))
else:
# Multiple variants: include variant name in theme name
for f in variant_files:
themes.append(Theme("%s-%s" % (theme, f['variant']), f['path'], support_files))
return themes
def sites():
"Return list of sites."
for path, dirs, files in os.walk(sites_dir):
return [site.replace(".styl", "")
for site in files
if site.endswith(".styl")]
def dependencies(theme, site):
"Return list of dependency .styl files for THEME and SITE."
deps = list(common_deps)
deps.append(theme.styl_path)
deps.extend(theme.support_files)
deps.append("sites/%s.styl" % site)
if site == "all-sites":
deps += ["sites/%s.styl" % s for s in sites()]
return deps
@functools.lru_cache()
def mtime(path):
"Return mtime for PATH."
if os.path.isfile(path):
return os.path.getmtime(path)
else:
return 0
def without_styl(s):
"""Return string S without ".styl" extension."""
return s.replace(".styl", "")
# * Footer
if __name__ == "__main__":
main()