tools/generate-nw

   1 #!/usr/bin/env python
   2
   3 # Generate an NW.js package.json file for a website.
   4 #
   5 # https://github.com/nwjs/nw.js/wiki/Manifest-format
   6
   7 import os
   8 import re
   9 import shutil
  10 import time
  11 import json
  12
  13 def is_html(filename):
  14     return filename.lower().endswith(".html")
  15
  16 def attr(name):
  17     return "data-" + name + """=["']?((?:.(?!["']?\s+(?:\S+)=|[>"']))+.)["']?"""
  18
  19 def main(appdir, version=None):
  20     if not os.path.isdir(appdir):
  21         raise StandardError("input (%r) is not a directory" % appdir)
  22     indexes = []
  23     icons = []
  24     for root, dirnames, filenames in os.walk(appdir):
  25         root = os.path.relpath(root, appdir)
  26         for filename in filenames:
  27             if filename.lower() == "index.html":
  28                 indexes.append(os.path.join(root, filename))
  29             if ("icon" in filename.lower()
  30                 and filename.lower().endswith((".ico", ".png"))):
  31                 icons.append(os.path.join(root, filename))
  32
  33     indexes.sort(key=lambda fn: (fn.count("/"), fn))
  34     icons.sort(key=lambda fn: (fn.count("/"), fn))
  35     name = os.path.basename(appdir).split(".")[0]
  36     package = {
  37         "main": indexes[0],
  38         "name": name,
  39         "version": version or "0.0.0",
  40         "chromium-args": "--enable-webgl --ignore-gpu-blacklist",
  41         "window": {
  42             "show": False,
  43             "toolbar": False,
  44             "title": name,
  45             "min_width": 300,
  46             "min_height": 200,
  47         }
  48     }
  49
  50     if icons:
  51         package["window"]["icon"] = icons[0]
  52
  53     with open(os.path.join(appdir, indexes[0]), "r") as fobj:
  54         header = fobj.read(4096)
  55         try:
  56             title = re.search("<title>([^<]+)<", header).groups()[0]
  57         except AttributeError:
  58             print >>sys.stderr, "No <title> found in %r." % fobj.name
  59         else:
  60             package["window"]["title"] = title
  61         try:
  62             version = re.search(attr("version"), header).groups()[0]
  63         except AttributeError:
  64             print >>sys.stderr, "No version found in %r." % fobj.name
  65         else:
  66             package["version"] = version
  67         try:
  68             appid = re.search(attr("appid"), header).groups()[0]
  69         except AttributeError:
  70             print >>sys.stderr, "No appid found in %r." % fobj.name
  71         else:
  72             package["name"] = appid
  73
  74     if "+" not in package["version"]:
  75         package["version"] += "+"
  76     package["version"] += time.strftime("%Y%m%d%H%M%S")
  77
  78     with open(os.path.join(appdir, "package.json"), "w") as fobj:
  79         json.dump(package, fobj)
  80
  81 if __name__ == "__main__":
  82     import sys
  83     main(*sys.argv[1:])