Mercurial > hg > bitsyblog

annotate bitsyblog/blog.py @ 71:0c98d1c2c6df

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fix syntax errors
author Jeff Hammel <jhammel@mozilla.com>
date Thu, 08 Jul 2010 10:40:43 -0700
parents f6a6a4b072e7
children e6055bf127eb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 """blog interfaces to data for bitsy"""
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2
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3 import os
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4 import utils
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5
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6 from cStringIO import StringIO
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7 from glob import glob
69
bcc3a59713c3 1st steps to have blog post entry handler plugins
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8 from pkg_resources import iter_entry_points
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10 class BlogEntry(object):
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11 """interface class for a blog entry"""
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12 def __init__(self, date, body, privacy, user):
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13 self.date = date
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14 self.body = body
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15 self.privacy = privacy
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16 if user is not None:
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17 self.user = user
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19 def title(self, characters=80):
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20 if '\n' in self.body:
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21 lines = [i.strip() for i in self.body[:characters].split('\n')]
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22 if len(lines[0]) > characters:
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23 return self.snippet(charachters)
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24 if len(lines) > 1 and not lines[1]:
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25 return lines[0]
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26 return self.snippet(characters)
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28 def snippet(self, characters=80):
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29 if characters:
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30 if len(self.body) > characters:
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31
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32
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33 text = ' '.join(self.body[:characters].split()[:-1])
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34 if '\n' in text:
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35 lines = [ i.strip() for i in text.split('\n') ]
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36 if '' in lines:
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37 return '\n'.join(lines[:lines.index('')])
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38
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39 if text:
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40 return '%s ...' % text
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41 else:
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42 return self.body
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43 return ''
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44
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45 def datestamp(self):
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46 return utils.datestamp(self.date)
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47
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48 class Blog(object):
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49 """abstract class for a users' blog"""
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50
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51 def __call__(self, user, permissions=('public',), number=None):
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52 return self.blog(user, permissions, number=number)
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53
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54 def latest(self, users, number):
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55 """return the lastest entries"""
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56 blog = []
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57 for user in users:
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58 blog.extend(self.blog(user, ('public',), number))
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59 blog.sort(key=lambda entry: entry.date, reverse=True)
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60 return blog[:number]
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61
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62 # interfaces for subclasses
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63
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64 def blog(self, user, permissions, number=None):
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65 """
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66 return the user's blog sorted in reverse date order
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67 if number is None, the entire blog is returned
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68 """
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69
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70 def entry(self, user, datestamp, permissions):
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71 """
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72 return a single blog entry with the given datestamp:
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73 'YYYYMMDDHHMMSS'
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74 """
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75
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76 def entries(self, user, permissions, year=None, month=None, day=None):
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77 """return entries by date"""
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78
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79
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80 def post(self, user, date, text, privacy):
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81 """post a new blog entry"""
71
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82 return BlogEntry(date, text, privacy, user)
0
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83
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84 def delete(self, user, datestamp):
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85 """remove a blog entry"""
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86
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87 class FileBlog(Blog):
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88 """a blog that lives on the filesystem"""
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89
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90 def __init__(self, directory):
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91 self.directory = directory
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92
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93 def location(self, user, permission, *path):
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94 """returns which directory files are in based on permission"""
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95 return os.path.join(self.directory, user, 'entries', permission, *path)
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96
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97 def body(self, user, datestamp, permission):
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98 return file(self.location(user, permission, datestamp)).read()
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99
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100 def get_entry(self, user, datestamp, permission):
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101 return BlogEntry(utils.date(datestamp),
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102 self.body(user, datestamp, permission),
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103 permission, user)
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104
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105 ### interfaces from Blog
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106
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107 def blog(self, user, permissions, number=None):
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108 entries = []
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109 for permission in permissions:
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110 entries.extend([ (entry, permission)
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111 for entry in os.listdir(self.location(user, permission)) ])
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112 entries.sort(key=lambda x: x[0], reverse=True)
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113
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114 if number is not None:
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115 entries = entries[:number]
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116
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117 return [ self.get_entry(user, x[0], x[1]) for x in entries ]
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118
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119 def entry(self, user, datestamp, permissions):
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120 for permission in permissions:
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121 filename = self.location(user, permission, datestamp)
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k0s <k0scist@gmail.com>
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122 if os.path.exists(filename):
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123 return self.get_entry(user, datestamp, permission)
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124
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125 def entries(self, user, permissions, year=None, month=None, day=None):
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126
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127 # build a file glob expression
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128 dateargs = [ year, month, day, None ]
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129 glob_expr = ''
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130 for index in range(len(dateargs)):
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131 value = dateargs[index]
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132 if value is None:
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k0s <k0scist@gmail.com>
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133 break
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134 length = len(utils.timeformat[index])
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135 glob_expr += '%0*d' % (length, int(value))
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k0s <k0scist@gmail.com>
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136 while index < len(utils.timeformat):
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137 glob_expr += '[0-9]' * len(utils.timeformat[index])
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138 index += 1
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139
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140 # get the blog entries
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141 entries = []
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k0s <k0scist@gmail.com>
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142 for permission in permissions:
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k0s <k0scist@gmail.com>
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143 entries.extend([ (os.path.split(entry)[-1], permission)
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k0s <k0scist@gmail.com>
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144 for entry in glob(os.path.join(self.location(user, permission), glob_expr)) ])
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k0s <k0scist@gmail.com>
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145 entries.sort(key=lambda x: x[0], reverse=True)
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k0s <k0scist@gmail.com>
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146 return [ self.get_entry(user, x[0], x[1]) for x in entries ]
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147
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148 def post(self, user, datestamp, body, privacy):
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149 blog = file(self.location(user, privacy, datestamp), 'w')
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150 print >> blog, body
70
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151 return Blog.post(user, datestamp, body, privacy)
0
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152
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153 def delete(self, user, datestamp):
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154 for permission in 'public', 'secret', 'private':
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155 path = self.location(user, permission, datestamp)
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156 if os.path.exists(path):
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157 os.remove(path)