Mercurial > hg > TagInTheMiddle
annotate taginthemiddle/model.py @ 7:52208e38e5b3
add a tags_file location to the example .ini file
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Wed, 05 May 2010 22:13:36 -0700 |
parents | 1182315b18ac |
children | fc3491dfe374 |
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add times to tags; cant things ever be easy?
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1 """ |
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2 tags have: |
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3 - a list of resources they're applied to |
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4 - a time they're applied |
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5 - for multi-user tags, the author should be passed (fudge for now) |
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6 for now just assume auth is on and that anyone authenticated may tag |
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7 e.g. a tags file |
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8 |
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9 foo = /bar:1273023556 /fleem/baz:1273023556 etc |
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10 cats = /cats:1273023556 /blog/mycat:1273023556 |
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11 """ |
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12 |
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13 import os |
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14 import time |
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15 |
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16 class Tags(object): |
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17 """file (e.g. .ini) based tagging scheme""" |
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18 |
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19 def __init__(self, path): |
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20 """ |
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21 - path: path to file |
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22 """ |
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23 self.path = path |
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24 if not os.path.exists(path): |
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25 f = file(path, 'w') |
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26 f.close() |
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27 self.tags = {} |
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28 self.urls = {} |
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29 self.times = {} |
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30 self.read(path) |
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31 |
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32 |
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33 def read(self): |
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34 for line in file(path).readlines(): |
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35 line = line.strip() |
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36 if not line: |
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37 continue |
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38 tag, urls = line.split('=', 1) # asserts '=' in line |
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39 tag = tag.strip() |
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40 urls = urls.strip() |
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41 self.tags[tag] = set([urls]) |
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42 for url in urls: |
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43 url, time = url.rsplit(':', 1) |
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44 self.urls.setdefault(url, set()).add(tag) |
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45 self.times[(tag, url)] = int(time) |
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46 |
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47 def write(self): |
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48 f = file(self.path, 'w') |
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49 for tag in sorted(self.tags.keys()): |
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50 print >> f, '%s = %s' % (tag, ' '.join(['%s:%s' % (url, self.times(tag, url)) |
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51 for url in self.tags[tag]])) |
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52 f.close() |
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53 |
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54 def add(self, tag, url): |
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55 if url in self.tags[tag]: |
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56 return |
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57 self.tags[tag].add(url) |
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58 self.urls[url].add(tag) |
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59 self.times[(tag, url)] = int(time.time()) |
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60 self.write() |
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61 |
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62 def remove(self, tag, url): |
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63 if url not in self.tags[tag]: |
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64 return |
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65 self.tags[tag].remove(url) |
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66 self.urls[url].remove(tag) |
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67 del self.times[(tag, url)] |
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68 self.write() |