root / kamaki / cli / history.py @ 489a1047
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1 | 73e0914d | Stavros Sachtouris | #!/usr/bin/env python
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2 | 73e0914d | Stavros Sachtouris | |
3 | 73e0914d | Stavros Sachtouris | # Copyright 2012 GRNET S.A. All rights reserved.
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4 | 73e0914d | Stavros Sachtouris | #
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5 | 73e0914d | Stavros Sachtouris | # Redistribution and use in source and binary forms, with or
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6 | 73e0914d | Stavros Sachtouris | # without modification, are permitted provided that the following
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7 | 73e0914d | Stavros Sachtouris | # conditions are met:
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8 | 73e0914d | Stavros Sachtouris | #
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9 | 73e0914d | Stavros Sachtouris | # 1. Redistributions of source code must retain the above
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10 | 73e0914d | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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11 | 73e0914d | Stavros Sachtouris | # disclaimer.
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12 | 73e0914d | Stavros Sachtouris | #
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13 | 73e0914d | Stavros Sachtouris | # 2. Redistributions in binary form must reproduce the above
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14 | 73e0914d | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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15 | 73e0914d | Stavros Sachtouris | # disclaimer in the documentation and/or other materials
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16 | 73e0914d | Stavros Sachtouris | # provided with the distribution.
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17 | 73e0914d | Stavros Sachtouris | #
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18 | 73e0914d | Stavros Sachtouris | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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19 | 73e0914d | Stavros Sachtouris | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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20 | 73e0914d | Stavros Sachtouris | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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21 | 73e0914d | Stavros Sachtouris | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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22 | 73e0914d | Stavros Sachtouris | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 | 73e0914d | Stavros Sachtouris | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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24 | 73e0914d | Stavros Sachtouris | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 | 73e0914d | Stavros Sachtouris | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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26 | 73e0914d | Stavros Sachtouris | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | 73e0914d | Stavros Sachtouris | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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28 | 73e0914d | Stavros Sachtouris | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | 73e0914d | Stavros Sachtouris | # POSSIBILITY OF SUCH DAMAGE.
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30 | 73e0914d | Stavros Sachtouris | #
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31 | 73e0914d | Stavros Sachtouris | # The views and conclusions contained in the software and
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32 | 73e0914d | Stavros Sachtouris | # documentation are those of the authors and should not be
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33 | 73e0914d | Stavros Sachtouris | # interpreted as representing official policies, either expressed
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34 | 73e0914d | Stavros Sachtouris | # or implied, of GRNET S.A.
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35 | 73e0914d | Stavros Sachtouris | |
36 | 73e0914d | Stavros Sachtouris | from os.path import exists |
37 | 73e0914d | Stavros Sachtouris | |
38 | 73e0914d | Stavros Sachtouris | def order_free_contains(containing, contained): |
39 | 73e0914d | Stavros Sachtouris | superset = containing.split() |
40 | 73e0914d | Stavros Sachtouris | for term in contained.split(): |
41 | 73e0914d | Stavros Sachtouris | if term not in superset: |
42 | 73e0914d | Stavros Sachtouris | return False |
43 | 73e0914d | Stavros Sachtouris | return True |
44 | 73e0914d | Stavros Sachtouris | |
45 | 73e0914d | Stavros Sachtouris | class History(object): |
46 | 73e0914d | Stavros Sachtouris | def __init__(self, filepath): |
47 | 73e0914d | Stavros Sachtouris | self.filepath=filepath
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48 | 73e0914d | Stavros Sachtouris | |
49 | 73e0914d | Stavros Sachtouris | @classmethod
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50 | 73e0914d | Stavros Sachtouris | def _match(self,line, match_terms): |
51 | 73e0914d | Stavros Sachtouris | if match_terms is None: |
52 | 73e0914d | Stavros Sachtouris | return True |
53 | 73e0914d | Stavros Sachtouris | for term in match_terms.split(): |
54 | 73e0914d | Stavros Sachtouris | if term not in line: |
55 | 73e0914d | Stavros Sachtouris | return False |
56 | 73e0914d | Stavros Sachtouris | return True |
57 | 73e0914d | Stavros Sachtouris | |
58 | 73e0914d | Stavros Sachtouris | def get(self, match_terms=None, limit=0): |
59 | 73e0914d | Stavros Sachtouris | f = open(self.filepath, 'r') |
60 | 73e0914d | Stavros Sachtouris | result = ['%s. \t%s'%(index+1,line) \ |
61 | 73e0914d | Stavros Sachtouris | for index,line in enumerate(f.readlines()) \ |
62 | 73e0914d | Stavros Sachtouris | if self._match(line, match_terms)] |
63 | 73e0914d | Stavros Sachtouris | offset = len(result)-limit if limit and len(result) > limit else 0 |
64 | 73e0914d | Stavros Sachtouris | return result[offset:]
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65 | 73e0914d | Stavros Sachtouris | |
66 | 73e0914d | Stavros Sachtouris | def add(self, line): |
67 | 73e0914d | Stavros Sachtouris | f = open(self.filepath, 'a+') |
68 | 73e0914d | Stavros Sachtouris | f.write(line+'\n')
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69 | 73e0914d | Stavros Sachtouris | f.close() |
70 | 73e0914d | Stavros Sachtouris | |
71 | 73e0914d | Stavros Sachtouris | def clean(self): |
72 | 73e0914d | Stavros Sachtouris | f = open(self.filepath, 'w') |
73 | 73e0914d | Stavros Sachtouris | f.close() |