comparison: tools/outputfile.py
tools/outputfile.py
- changeset 1
- 51d14b0c68c0
- child 272
- 9d52b119b3f5
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| 0:f9f4d4d6f162 | 1:51d14b0c68c0 |
|---|---|
| 1 #!/usr/bin/env python | |
| 2 # coding: utf-8 | |
| 3 # | |
| 4 # Copyright 2015 Teemu Piippo | |
| 5 # All rights reserved. | |
| 6 # | |
| 7 # Redistribution and use in source and binary forms, with or without | |
| 8 # modification, are permitted provided that the following conditions | |
| 9 # are met: | |
| 10 # | |
| 11 # 1. Redistributions of source code must retain the above copyright | |
| 12 # notice, this list of conditions and the following disclaimer. | |
| 13 # 2. Redistributions in binary form must reproduce the above copyright | |
| 14 # notice, this list of conditions and the following disclaimer in the | |
| 15 # documentation and/or other materials provided with the distribution. | |
| 16 # 3. Neither the name of the copyright holder nor the names of its | |
| 17 # contributors may be used to endorse or promote products derived from | |
| 18 # this software without specific prior written permission. | |
| 19 # | |
| 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
| 22 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER | |
| 24 # OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 25 # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 26 # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 27 # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 28 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 29 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 30 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 # | |
| 32 | |
| 33 class OutputFile: | |
| 34 def __init__ (self, filename): | |
| 35 self.filename = filename | |
| 36 try: | |
| 37 with open (self.filename, "r") as file: | |
| 38 self.oldsum = file.readline() | |
| 39 self.oldsum = self.oldsum.replace ('// ', '').strip() | |
| 40 except IOError: | |
| 41 self.oldsum = '' | |
| 42 self.body = '' | |
| 43 | |
| 44 def write(self, text): | |
| 45 self.body += text | |
| 46 | |
| 47 def save(self, verbose = False): | |
| 48 from hashlib import sha256 | |
| 49 checksum = sha256(self.body.encode('utf-8')).hexdigest() | |
| 50 if checksum == self.oldsum: | |
| 51 if verbose: | |
| 52 print ('%s is up to date' % self.filename) | |
| 53 pass | |
| 54 else: | |
| 55 with open (self.filename, "w") as file: | |
| 56 file.write('// %s\n' % checksum) | |
| 57 file.write('// This file has been automatically generated. Do not edit by hand\n') | |
| 58 file.write('\n') | |
| 59 file.write(self.body) | |
| 60 if verbose: | |
| 61 print('%s written' % self.filename) |
