Remove a tool that was inherited from BTC related to QT code that we don't even have (lulz)

contrib/devtools/optimize-pngs.py

@@ -1,73 +0,0 @@
-#!/usr/bin/env python
-
-import os
-import sys
-import subprocess
-import hashlib
-from PIL import Image
-
-def file_hash(filename):
-    '''Return hash of raw file contents'''
-    with open(filename, 'rb') as f:
-        return hashlib.sha256(f.read()).hexdigest()
-
-def content_hash(filename):
-    '''Return hash of RGBA contents of image'''
-    i = Image.open(filename)
-    i = i.convert('RGBA')
-    data = i.tostring()
-    return hashlib.sha256(data).hexdigest()
-
-#optimize png, remove various color profiles, remove ancillary chunks (alla) and text chunks (text)
-#pngcrush -brute -ow -rem gAMA -rem cHRM -rem iCCP -rem sRGB -rem alla -rem text
-
-pngcrush = 'pngcrush'
-git = 'git'
-folders = ["src/qt/res/movies", "src/qt/res/icons", "src/qt/res/images"]
-basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel']).rstrip('\n')
-totalSaveBytes = 0
-
-outputArray = []
-for folder in folders:
-    absFolder=os.path.join(basePath, folder)
-    for file in os.listdir(absFolder):
-        extension = os.path.splitext(file)[1]
-        if extension.lower() == '.png':
-            print("optimizing "+file+"..."),
-            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')
-            except:
-                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"
-                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"
-                sys.exit(1)
-
-            fileMetaMap['psize'] = os.path.getsize(file_path)
-            outputArray.append(fileMetaMap)
-            print("done\n"),
-
-print "summary:\n+++++++++++++++++"
-for fileDict in outputArray:
-    oldHash = fileDict['sha256Old']
-    newHash = fileDict['sha256New']
-    totalSaveBytes += fileDict['osize'] - fileDict['psize']
-    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. Total reduction: "+str(totalSaveBytes)+" bytes"