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