2 # Copyright (c) 2014 Google Inc. All rights reserved.
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
8 # * Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # * Redistributions in binary form must reproduce the above
11 # copyright notice, this list of conditions and the following disclaimer
12 # in the documentation and/or other materials provided with the
14 # * Neither the name of Google Inc. nor the names of its
15 # contributors may be used to endorse or promote products derived from
16 # this software without specific prior written permission.
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 import devtools_file_hashes
39 import simplejson as json
41 scripts_path = os.path.dirname(os.path.abspath(__file__))
42 devtools_path = os.path.dirname(scripts_path)
43 blink_source_path = os.path.dirname(devtools_path)
44 blink_path = os.path.dirname(blink_source_path)
45 chromium_src_path = os.path.dirname(os.path.dirname(blink_path))
46 devtools_frontend_path = os.path.join(devtools_path, "front_end")
47 images_path = os.path.join(devtools_frontend_path, "Images")
48 image_sources_path = os.path.join(images_path, "src")
49 hashes_file_name = "optimize_png.hashes"
50 hashes_file_path = os.path.join(image_sources_path, hashes_file_name)
52 file_names = os.listdir(image_sources_path)
53 svg_file_paths = [os.path.join(image_sources_path, file_name) for file_name in file_names if file_name.endswith(".svg")]
54 svg_file_paths_to_optimize = devtools_file_hashes.files_with_invalid_hashes(hashes_file_path, svg_file_paths)
55 svg_file_names = [os.path.basename(file_path) for file_path in svg_file_paths_to_optimize]
57 optimize_script_path = os.path.join("tools", "resources", "optimize-png-files.sh")
60 def check_installed(app_name, package, how_to):
61 proc = subprocess.Popen("which %s" % app_name, stdout=subprocess.PIPE, shell=True)
63 if proc.returncode != 0:
64 print "This script needs \"%s\" to be installed." % app_name
68 print "To install execute the following command: sudo apt-get install %s" % package
71 check_installed("pngcrush", "pngcrush", None)
72 check_installed("optipng", "optipng", None)
73 check_installed("advdef", "advancecomp", None)
74 check_installed("pngout", None, "Utility can be downloaded here: http://www.jonof.id.au/kenutils")
77 def optimize_png(file_name):
78 png_full_path = os.path.join(images_path, file_name + ".png")
79 optimize_command = "bash %s -o2 %s" % (optimize_script_path, png_full_path)
80 proc = subprocess.Popen(optimize_command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=True, cwd=chromium_src_path)
83 if len(svg_file_names):
84 print "%d unoptimized png files found." % len(svg_file_names)
86 print "All png files are already optimized."
90 for file_name in svg_file_names:
91 name = os.path.splitext(file_name)[0]
93 processes[name] = optimize_png(name)
94 processes[name2x] = optimize_png(name2x)
96 for file_name, proc in processes.items():
97 (optimize_out, _) = proc.communicate()
98 print("Optimization of %s finished: %s" % (file_name, optimize_out))
100 devtools_file_hashes.update_file_hashes(hashes_file_path, svg_file_paths)