60 lines
1.2 KiB
Python
Executable File
60 lines
1.2 KiB
Python
Executable File
#!/usr/bin/python
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import sys, re, difflib, os
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red_color = green_color = end_color = ""
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if 1 or os.isatty (sys.stdout.fileno ()):
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red_color = '\033[41;37;1m'
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green_color = '\033[42;37;1m'
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end_color = '\033[m'
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def fancy_diff (l1, l2):
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sep = "|<>@+,="
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r ="(["+sep+"]?)([^"+sep+"]*)"
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ss = [re.findall (r, l) for l in (l1, l2)]
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ss = [reduce ((lambda a,b: a+b), s) for s in ss]
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ss = [[x+"\n" for x in s] for s in ss]
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oo = ["",""]
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st = [0,0]
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for l in difflib.Differ().compare (*ss):
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if l[0] == '?':
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continue
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if l[0] == ' ':
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for i in range(2):
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if st[i]:
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oo[i] += end_color
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st[i] = 0
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oo = [o + l[2:] for o in oo]
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continue
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if l[0] == '-':
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if not st[0]:
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oo[0] += red_color
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st[0] = 1
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oo[0] += l[2:]
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continue
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if l[0] == '+':
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if not st[1]:
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oo[1] += green_color
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st[1] = 1
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oo[1] += l[2:]
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for i in range(2):
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if st[i]:
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oo[i] += end_color
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st[i] = 0
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oo = [o.replace ('\n', '') for o in oo]
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if oo[0] == oo[1]:
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return ' ' + oo[0] + '\n'
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return '-'+oo[0]+'\n'+'+'+oo[1]+'\n'
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f1, f2 = (file (f) for f in sys.argv[1:3])
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for (l1,l2) in zip (f1, f2):
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if l1 == l2:
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print " " + l1.strip ()
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continue
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l1, l2 = l1.strip (), l2.strip ()
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sys.stdout.writelines (fancy_diff (l1, l2))
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