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Change all python files to use Python3

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This commit is contained in:
John Newbery
2017-12-12 14:47:24 -05:00
parent ec7dbaa37c
commit bc6fdf2d15
12 changed files with 56 additions and 70 deletions
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30
contrib/devtools/optimize-pngs.py
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@@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2014-2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -10,7 +10,7 @@ import os
import sys
import subprocess
import hashlib
from PIL import Image
from PIL import Image # pip3 install Pillow
def file_hash(filename):
'''Return hash of raw file contents'''
@@ -27,7 +27,7 @@ def content_hash(filename):
pngcrush = 'pngcrush'
git = 'git'
folders = ["src/qt/res/movies", "src/qt/res/icons", "share/pixmaps"]
basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel']).rstrip('\n')
basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel'], universal_newlines=True).rstrip('\n')
totalSaveBytes = 0
noHashChange = True
@@ -37,42 +37,40 @@ for folder in folders:
for file in os.listdir(absFolder):
extension = os.path.splitext(file)[1]
if extension.lower() == '.png':
print("optimizing "+file+"..."),
print("optimizing {}...".format(file), end =' ')
file_path = os.path.join(absFolder, file)
fileMetaMap = {'file' : file, 'osize': os.path.getsize(file_path), 'sha256Old' : file_hash(file_path)}
fileMetaMap['contentHashPre'] = content_hash(file_path)
pngCrushOutput = ""
try:
pngCrushOutput = subprocess.check_output(
[pngcrush, "-brute", "-ow", "-rem", "gAMA", "-rem", "cHRM", "-rem", "iCCP", "-rem", "sRGB", "-rem", "alla", "-rem", "text", file_path],
stderr=subprocess.STDOUT).rstrip('\n')
subprocess.call([pngcrush, "-brute", "-ow", "-rem", "gAMA", "-rem", "cHRM", "-rem", "iCCP", "-rem", "sRGB", "-rem", "alla", "-rem", "text", file_path],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
except:
print "pngcrush is not installed, aborting..."
print("pngcrush is not installed, aborting...")
sys.exit(0)
#verify
if "Not a PNG file" in subprocess.check_output([pngcrush, "-n", "-v", file_path], stderr=subprocess.STDOUT):
print "PNG file "+file+" is corrupted after crushing, check out pngcursh version"
if "Not a PNG file" in subprocess.check_output([pngcrush, "-n", "-v", file_path], stderr=subprocess.STDOUT, universal_newlines=True):
print("PNG file "+file+" is corrupted after crushing, check out pngcursh version")
sys.exit(1)
fileMetaMap['sha256New'] = file_hash(file_path)
fileMetaMap['contentHashPost'] = content_hash(file_path)
if fileMetaMap['contentHashPre'] != fileMetaMap['contentHashPost']:
print "Image contents of PNG file "+file+" before and after crushing don't match"
print("Image contents of PNG file {} before and after crushing don't match".format(file))
sys.exit(1)
fileMetaMap['psize'] = os.path.getsize(file_path)
outputArray.append(fileMetaMap)
print("done\n"),
print("done")
print "summary:\n+++++++++++++++++"
print("summary:\n+++++++++++++++++")
for fileDict in outputArray:
oldHash = fileDict['sha256Old']
newHash = fileDict['sha256New']
totalSaveBytes += fileDict['osize'] - fileDict['psize']
noHashChange = noHashChange and (oldHash == newHash)
print fileDict['file']+"\n size diff from: "+str(fileDict['osize'])+" to: "+str(fileDict['psize'])+"\n old sha256: "+oldHash+"\n new sha256: "+newHash+"\n"
print(fileDict['file']+"\n size diff from: "+str(fileDict['osize'])+" to: "+str(fileDict['psize'])+"\n old sha256: "+oldHash+"\n new sha256: "+newHash+"\n")
print "completed. Checksum stable: "+str(noHashChange)+". Total reduction: "+str(totalSaveBytes)+" bytes"
print("completed. Checksum stable: "+str(noHashChange)+". Total reduction: "+str(totalSaveBytes)+" bytes")