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1 #!/usr/bin/env python
2 # -*- encoding: utf-8 -*-
3
4 """ Gestion des quotes """
5
6 import datetime
7 import time
8 import re
9 import json
10 import random
11
12 import config
13
14 def get_now():
15 """ Renvoie la date actuelle """
16 return datetime.datetime(*time.localtime()[:6])
17
18 class Quote(object):
19 """ Une citation """
20 def __init__(self, author, content, timestamp=None):
21 if timestamp is None:
22 timestamp = get_now()
23 elif isinstance(timestamp, basestring):
24 timestamp = datetime.datetime(*time.strptime(timestamp, u"%Y-%m-%d_%H:%M:%S")[:6])
25 self.author = author
26 self.content = content
27 self.timestamp = timestamp
28
29 def jsonize(self):
30 d = {"author" : self.author, "content" : self.content,
31 "timestamp" : self.timestamp.strftime(u"%F_%T")}
32 return d
33
34 def __unicode__(self):
35 """ Retourne la quote affichable """
36 return config.quote_template % self.__dict__
37 def __str__(self):
38 return unicode(self).encode("utf-8")
39
40 def __eq__(self, otherquote):
41 """ Vérifie si cette phrase n'a pas déjà été dite par la même personne.
42 Indépendamment de la date. """
43 return [self.author, self.content] == [otherquote.author, otherquote.content]
44
45 quote_matcher = re.compile(config.quote_regexp)
46
47 def parse(text, date=None):
48 """ Parse le ``text`` et renvoie une quote ou None. """
49 if date == None:
50 date = get_now()
51 get = quote_matcher.match(text)
52 if not get is None:
53 d = get.groupdict()
54 return Quote(d["author"], d["content"], date)
55
56 def load_file(filename):
57 """ Récupère les quotes depuis le fichier """
58 with open(filename) as f:
59 jsonquotes = json.load(f)
60 quotes = [Quote(**q) for q in jsonquotes]
61 return quotes
62
63 def save_file(quotes, filename):
64 """ Enregistre les quotes dans le fichier """
65 with open(filename, "w") as f:
66 raws = [q.jsonize() for q in quotes]
67 json.dump(raws, f)
68
69 class QuoteDB(object):
70 """ Stocke et distribue des quotes. """
71 def __init__(self):
72 self.quotelist = []
73
74 def load(self):
75 """ Charge le fichier de quotes dans la DB """
76 self.quotelist = load_file(config.quote_file)
77
78 def save(self):
79 """ Sauvegarde la DB dans le fichier de quotes """
80 save_file(self.quotelist, config.quote_file)
81
82 def store(self, author, content, timestamp=None):
83 """ Enregistre une nouvelle quote, sauf si elle existe déjà.
84 Renvoie ``True`` si elle a été ajoutée, ``False`` si elle existait. """
85 newquote = Quote(author, content, timestamp)
86 if not newquote in self.quotelist:
87 self.quotelist.append(newquote)
88 return True
89 return False
90
91 def __repr__(self):
92 return repr(self.quotelist)
93
94 def random(self):
95 """ Sort une quote aléatoire """
96 return random.choice(self.quotelist)
97 def randomfrom(self, author):
98 """ Sort une quote aléatoire de ``author`` """
99 return random.choice([q for q in self.quotelist if q.author == author])