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annotate prettyprint.py @ 31:5bb57caa8f66

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author Dirk Olmes <dirk@xanthippe.ping.de>
date Fri, 30 Apr 2010 06:01:54 +0200
parents 2da2b691345d
children bb3c851b18b1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8
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1
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2 import sys
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3
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4 newlineAfter = [ '{', '[', ',' ]
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5 newlineBefore = [ '}', ']' ]
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6
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7 def prettyPrint(file):
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8 indent = 0
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9 doIndent = False
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10 printCommand = None
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11 for line in file:
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12 for char in line:
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13 if char in newlineAfter:
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14 if char is not ',':
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15 indent = indent + 1
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16 doIndent = True
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17 printCommand = p_nl
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18 elif char in newlineBefore:
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19 indent = indent - 1
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20 doIndent = True
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21 printCommand = nl_p
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22 else:
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23 printCommand = p
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24 doIndent = False
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25
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26 printCommand(char)
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27 if doIndent:
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28 for x in range(indent): #@UnusedVariable
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29 sys.stdout.write(" ")
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30 doIndent = False
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31
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32 def p(char):
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33 sys.stdout.write(char)
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34
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35 def p_nl(char):
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36 sys.stdout.write(char)
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37 sys.stdout.write("\n")
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38
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39 def nl_p(char):
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40 sys.stdout.write("\n")
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41 sys.stdout.write(char)
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42
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43 if __name__ == "__main__":
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44 if len(sys.argv) < 2:
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45 print("usage: %s <file>" % (sys.argv[0]))
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46 sys.exit(1)
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47
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48 filename = sys.argv[1]
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49 with open(filename) as file:
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50 prettyPrint(file)