tools/outputfile.py

Fri, 27 Aug 2021 00:55:32 +0300

author
Teemu Piippo <teemu@hecknology.net>
date
Fri, 27 Aug 2021 00:55:32 +0300
changeset 122
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parent 1
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child 272
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permissions
-rw-r--r--

Show concave polygons as red while drawing

1
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Teemu Piippo <teemu@hecknology.net>
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1 #!/usr/bin/env python
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Teemu Piippo <teemu@hecknology.net>
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2 # coding: utf-8
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Teemu Piippo <teemu@hecknology.net>
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3 #
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Teemu Piippo <teemu@hecknology.net>
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4 # Copyright 2015 Teemu Piippo
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Teemu Piippo <teemu@hecknology.net>
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5 # All rights reserved.
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Teemu Piippo <teemu@hecknology.net>
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6 #
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Teemu Piippo <teemu@hecknology.net>
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7 # Redistribution and use in source and binary forms, with or without
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Teemu Piippo <teemu@hecknology.net>
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8 # modification, are permitted provided that the following conditions
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Teemu Piippo <teemu@hecknology.net>
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9 # are met:
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Teemu Piippo <teemu@hecknology.net>
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10 #
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Teemu Piippo <teemu@hecknology.net>
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11 # 1. Redistributions of source code must retain the above copyright
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Teemu Piippo <teemu@hecknology.net>
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12 # notice, this list of conditions and the following disclaimer.
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Teemu Piippo <teemu@hecknology.net>
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13 # 2. Redistributions in binary form must reproduce the above copyright
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Teemu Piippo <teemu@hecknology.net>
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14 # notice, this list of conditions and the following disclaimer in the
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Teemu Piippo <teemu@hecknology.net>
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15 # documentation and/or other materials provided with the distribution.
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Teemu Piippo <teemu@hecknology.net>
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16 # 3. Neither the name of the copyright holder nor the names of its
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Teemu Piippo <teemu@hecknology.net>
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17 # contributors may be used to endorse or promote products derived from
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Teemu Piippo <teemu@hecknology.net>
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18 # this software without specific prior written permission.
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Teemu Piippo <teemu@hecknology.net>
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19 #
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Teemu Piippo <teemu@hecknology.net>
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20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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Teemu Piippo <teemu@hecknology.net>
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21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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Teemu Piippo <teemu@hecknology.net>
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22 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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Teemu Piippo <teemu@hecknology.net>
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23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
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Teemu Piippo <teemu@hecknology.net>
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24 # OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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Teemu Piippo <teemu@hecknology.net>
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25 # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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Teemu Piippo <teemu@hecknology.net>
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26 # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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Teemu Piippo <teemu@hecknology.net>
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27 # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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Teemu Piippo <teemu@hecknology.net>
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28 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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Teemu Piippo <teemu@hecknology.net>
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29 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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Teemu Piippo <teemu@hecknology.net>
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30 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Teemu Piippo <teemu@hecknology.net>
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31 #
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Teemu Piippo <teemu@hecknology.net>
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32
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Teemu Piippo <teemu@hecknology.net>
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33 class OutputFile:
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Teemu Piippo <teemu@hecknology.net>
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34 def __init__ (self, filename):
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35 self.filename = filename
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Teemu Piippo <teemu@hecknology.net>
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36 try:
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Teemu Piippo <teemu@hecknology.net>
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37 with open (self.filename, "r") as file:
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Teemu Piippo <teemu@hecknology.net>
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38 self.oldsum = file.readline()
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Teemu Piippo <teemu@hecknology.net>
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39 self.oldsum = self.oldsum.replace ('// ', '').strip()
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40 except IOError:
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41 self.oldsum = ''
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Teemu Piippo <teemu@hecknology.net>
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42 self.body = ''
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43
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44 def write(self, text):
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45 self.body += text
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46
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Teemu Piippo <teemu@hecknology.net>
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47 def save(self, verbose = False):
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Teemu Piippo <teemu@hecknology.net>
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48 from hashlib import sha256
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Teemu Piippo <teemu@hecknology.net>
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49 checksum = sha256(self.body.encode('utf-8')).hexdigest()
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Teemu Piippo <teemu@hecknology.net>
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50 if checksum == self.oldsum:
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Teemu Piippo <teemu@hecknology.net>
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51 if verbose:
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Teemu Piippo <teemu@hecknology.net>
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52 print ('%s is up to date' % self.filename)
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Teemu Piippo <teemu@hecknology.net>
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53 pass
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54 else:
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Teemu Piippo <teemu@hecknology.net>
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55 with open (self.filename, "w") as file:
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56 file.write('// %s\n' % checksum)
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57 file.write('// This file has been automatically generated. Do not edit by hand\n')
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58 file.write('\n')
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59 file.write(self.body)
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60 if verbose:
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61 print('%s written' % self.filename)

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