Installing ChromeOS font on developer Linux machine

build/linux/install-chromeos-font.py

+#!/usr/bin/env python
+# Copyright 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Script to install the ChromeOS default font on Linux.
+# This script can be run manually (as root) but is more often run as part
+# /work/chromium/src/build/install-build-deps.sh.

[Daniel Erat, 2013/02/21 20:38:03]

nit: don't include your own personal /work path in this comment (e.g. just say
"... as part of install-build-deps.sh." instead)

[sschmitz, 2013/02/21 21:47:44]

Done.

+
+import os
+import shutil
+import subprocess
+import sys
+
+URL_PREFIX = 'https://commondatastorage.googleapis.com'
+URL_DIR = 'chromeos-localmirror/distfiles'
+URL_PATH = 'notofonts-20121206.tar.gz'

[Daniel Erat, 2013/02/21 20:38:03]

nit: URL_FILE would be more accurate

[sschmitz, 2013/02/21 21:47:44]

Done.

+FONTS_DIR = '/usr/local/share/fonts'
+
+# The URL matches the URL in the ebuild script in chromiumos. See:
+#  /path/to/chromiumos/src/
+#  third_party/chromiumos-overlay/media-fonts/notofonts/
+#  notofonts-20121206.ebuild
+
+def main(args):
+  if not sys.platform.startswith('linux'):
+    print "%s must be run on Linux." % __file__
+    return 0

[Daniel Erat, 2013/02/21 20:38:03]

return 1 for errors

[sschmitz, 2013/02/21 21:47:44]

Done.

+
+  if os.getuid() != 0:
+    print "%s must be run as root." % __file__
+    return 0

[Daniel Erat, 2013/02/21 20:38:03]

ditto here

[sschmitz, 2013/02/21 21:47:44]

Done.

+
+  if not os.path.isdir(FONTS_DIR):
+    print "Error: Destination directory does not exist: %s" % FONTS_DIR
+    return 0

[Daniel Erat, 2013/02/21 20:38:03]

and here

[sschmitz, 2013/02/21 21:47:44]

Done.

+
+  dest_dir = os.path.join(FONTS_DIR, 'chromeos')
+
+  url = "%s/%s/%s" % (URL_PREFIX, URL_DIR, URL_PATH)
+
+  stamp = os.path.join(dest_dir, ".stamp")
+  if os.path.exists(stamp):
+    with open(stamp) as s:
+      if s.read() == url:
+        print "ChromeOS font already up-to-date in %s." % dest_dir
+        return 0
+
+  if os.path.isdir(dest_dir):
+    shutil.rmtree(dest_dir)
+  os.mkdir(dest_dir);
+
+  print "Installing ChromeOS font to %s." % dest_dir
+  tarball = os.path.join(dest_dir, URL_PATH)
+  subprocess.check_call(['curl', '-L', url, '-o', tarball])
+  subprocess.check_call(['tar', 'xf', tarball, '-C', dest_dir])
+  os.remove(tarball)
+
+  readme = os.path.join(dest_dir, "README")
+  with open(readme, 'w') as s:
+    s.write("This directory and its contents are auto-generated.\n")
+    s.write("It may be deleted and recreated. Do not modify.\n")
+    s.write("Script: %s\n" % __file__)
+
+  with open(stamp, 'w') as s:
+    s.write(url)
+
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))