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annotate piecrust/sources/posts.py @ 288:078e64dba77d

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jinja: Fix Twig compatibility for block trimming.
author Ludovic Chabant <ludovic@chabant.com>
date Thu, 05 Mar 2015 00:26:37 -0800
parents 0641fe5c3ef9
children dd25bd3ce1f9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import os
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2 import os.path
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3 import re
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4 import glob
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5 import logging
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6 import datetime
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7 from piecrust.sources.base import (
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8 PageSource, InvalidFileSystemEndpointError, PageFactory,
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9 MODE_CREATING, MODE_PARSING)
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10 from piecrust.sources.interfaces import IPreparingSource
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11 from piecrust.sources.mixins import SimplePaginationSourceMixin
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12 from piecrust.sources.pageref import PageNotFoundError
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14
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15 logger = logging.getLogger(__name__)
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16
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17
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f5ca5c5bed85 More Python 3 fixes, modularization, and new unit tests.
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18 class PostsSource(PageSource, IPreparingSource, SimplePaginationSourceMixin):
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19 PATH_FORMAT = None
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20
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21 def __init__(self, app, name, config):
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22 super(PostsSource, self).__init__(app, name, config)
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23 self.fs_endpoint = config.get('fs_endpoint', name)
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24 self.fs_endpoint_path = os.path.join(self.root_dir, self.fs_endpoint)
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25 self.supported_extensions = list(app.config.get('site/auto_formats').keys())
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26 self.default_auto_format = app.config.get('site/default_auto_format')
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28 @property
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29 def path_format(self):
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30 return self.__class__.PATH_FORMAT
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31
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32 def resolveRef(self, ref_path):
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33 return os.path.normpath(os.path.join(self.fs_endpoint_path, ref_path))
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34
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35 def findPagePath(self, metadata, mode):
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36 year = metadata.get('year')
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37 month = metadata.get('month')
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38 day = metadata.get('day')
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39 slug = metadata.get('slug')
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40
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41 try:
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42 if year is not None:
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43 year = int(year)
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44 if month is not None:
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45 month = int(month)
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46 if day is not None:
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47 day = int(day)
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48 except ValueError:
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49 return None, None
54
a46354306738 Use properly formatted date components for the blog sources.
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50
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51 ext = metadata.get('ext')
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52 if ext is None:
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53 if len(self.supported_extensions) == 1:
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54 ext = self.supported_extensions[0]
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55 elif mode == MODE_CREATING and self.default_auto_format:
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56 ext = self.default_auto_format
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57
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58 replacements = {
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ba857c693c72 sources: Fix a bug where the `posts` source wasn't correctly parsing URLs.
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59 'year': '%04d' % year if year is not None else None,
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60 'month': '%02d' % month if month is not None else None,
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61 'day': '%02d' % day if day is not None else None,
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62 'slug': slug,
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63 'ext': ext
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64 }
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65 needs_recapture = False
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66 if year is None:
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67 needs_recapture = True
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68 replacements['year'] = '????'
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69 if month is None:
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70 needs_recapture = True
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71 replacements['month'] = '??'
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72 if day is None:
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73 needs_recapture = True
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74 replacements['day'] = '??'
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75 if slug is None:
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76 needs_recapture = True
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77 replacements['slug'] = '*'
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78 if ext is None:
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79 needs_recapture = True
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80 replacements['ext'] = '*'
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81 path = os.path.normpath(os.path.join(
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82 self.fs_endpoint_path, self.path_format % replacements))
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83
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84 if needs_recapture:
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85 if mode == MODE_CREATING:
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86 raise ValueError("Not enough information to find a post path.")
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87 possible_paths = glob.glob(path)
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88 if len(possible_paths) != 1:
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89 raise PageNotFoundError()
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90 path = possible_paths[0]
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91 elif mode == MODE_PARSING and not os.path.isfile(path):
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92 raise PageNotFoundError(path)
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93
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94 regex_repl = {
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95 'year': '(?P<year>\d{4})',
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96 'month': '(?P<month>\d{2})',
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97 'day': '(?P<day>\d{2})',
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98 'slug': '(?P<slug>.*)',
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99 'ext': '(?P<ext>.*)'
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100 }
101
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101 path_format_re = re.sub(r'([\-\.])', r'\\\1', self.path_format)
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102 pattern = path_format_re % regex_repl + '$'
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103 m = re.search(pattern, path.replace('\\', '/'))
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104 if not m:
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105 raise Exception("Expected to be able to match path with path "
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106 "format: %s" % path)
109
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107
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108 year = int(m.group('year'))
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109 month = int(m.group('month'))
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110 day = int(m.group('day'))
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111 timestamp = datetime.date(year, month, day)
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112 fac_metadata = {
109
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113 'year': year,
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114 'month': month,
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115 'day': day,
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116 'slug': m.group('slug'),
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117 'date': timestamp
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118 }
109
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119
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120 rel_path = os.path.relpath(path, self.fs_endpoint_path)
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121 rel_path = rel_path.replace('\\', '/')
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122 return rel_path, fac_metadata
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123
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124 def setupPrepareParser(self, parser, app):
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125 parser.add_argument('-d', '--date', help="The date of the post, "
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126 "in `year/month/day` format (defaults to today).")
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127 parser.add_argument('slug', help="The URL slug for the new post.")
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128
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129 def buildMetadata(self, args):
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diff changeset
130 dt = datetime.date.today()
3
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131 if args.date:
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diff changeset
132 if args.date == 'today':
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133 pass # Keep the default we had.
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diff changeset
134 elif args.date == 'tomorrow':
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135 dt += datetime.timedelta(days=1)
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diff changeset
136 elif args.date.startswith('+'):
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diff changeset
137 try:
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138 dt += datetime.timedelta(days=int(args.date.lstrip('+')))
838a9dd0e23c Better date creation for blog post scaffolding.
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diff changeset
139 except ValueError:
838a9dd0e23c Better date creation for blog post scaffolding.
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140 raise Exception("Date offsets must be numbers.")
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diff changeset
141 else:
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diff changeset
142 try:
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diff changeset
143 year, month, day = [int(s) for s in args.date.split('/')]
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diff changeset
144 except ValueError:
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145 raise Exception("Dates must be of the form: YEAR/MONTH/DAY.")
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146 dt = datetime.date(year, month, day)
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diff changeset
147
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diff changeset
148 year, month, day = dt.year, dt.month, dt.day
3
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149 return {'year': year, 'month': month, 'day': day, 'slug': args.slug}
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150
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151 def _checkFsEndpointPath(self):
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152 if not os.path.isdir(self.fs_endpoint_path):
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153 if self.ignore_missing_dir:
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154 return False
3
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155 raise InvalidFileSystemEndpointError(self.name, self.fs_endpoint_path)
84
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156 return True
3
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157
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158 def _makeFactory(self, path, slug, year, month, day):
11
617191dec18e Fixes for Windows, make `findPagePath` return a ref path.
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diff changeset
159 path = path.replace('\\', '/')
3
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160 timestamp = datetime.date(year, month, day)
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161 metadata = {
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162 'slug': slug,
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163 'year': year,
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164 'month': month,
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165 'day': day,
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166 'date': timestamp}
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167 return PageFactory(self, path, metadata)
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168
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169
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170 class FlatPostsSource(PostsSource):
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171 SOURCE_NAME = 'posts/flat'
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172 PATH_FORMAT = '%(year)s-%(month)s-%(day)s_%(slug)s.%(ext)s'
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173
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174 def __init__(self, app, name, config):
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175 super(FlatPostsSource, self).__init__(app, name, config)
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176
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177 def buildPageFactories(self):
84
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diff changeset
178 if not self._checkFsEndpointPath():
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diff changeset
179 return
3
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180 logger.debug("Scanning for posts (flat) in: %s" % self.fs_endpoint_path)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
181 pattern = re.compile(r'(\d{4})-(\d{2})-(\d{2})_(.*)\.(\w+)$')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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182 _, __, filenames = next(os.walk(self.fs_endpoint_path))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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183 for f in filenames:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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184 match = pattern.match(f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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185 if match is None:
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186 name, ext = os.path.splitext(f)
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187 logger.warning("'%s' is not formatted as 'YYYY-MM-DD_slug-title.%s' "
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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188 "and will be ignored. Is that a typo?" % (f, ext))
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189 continue
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190 yield self._makeFactory(
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191 f,
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diff changeset
192 match.group(4),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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193 int(match.group(1)),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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194 int(match.group(2)),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
195 int(match.group(3)))
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196
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197
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198 class ShallowPostsSource(PostsSource):
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199 SOURCE_NAME = 'posts/shallow'
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200 PATH_FORMAT = '%(year)s/%(month)s-%(day)s_%(slug)s.%(ext)s'
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201
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202 def __init__(self, app, name, config):
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203 super(ShallowPostsSource, self).__init__(app, name, config)
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204
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205 def buildPageFactories(self):
84
b3ce11b2cf36 Don't complain about missing `pages` or `posts` directories by default.
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parents: 80
diff changeset
206 if not self._checkFsEndpointPath():
b3ce11b2cf36 Don't complain about missing `pages` or `posts` directories by default.
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diff changeset
207 return
3
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diff changeset
208 logger.debug("Scanning for posts (shallow) in: %s" % self.fs_endpoint_path)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
209 year_pattern = re.compile(r'(\d{4})$')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
210 file_pattern = re.compile(r'(\d{2})-(\d{2})_(.*)\.(\w+)$')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
211 _, year_dirs, __ = next(os.walk(self.fs_endpoint_path))
5
474c9882decf Upgrade to Python 3.
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parents: 3
diff changeset
212 year_dirs = [d for d in year_dirs if year_pattern.match(d)]
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
213 for yd in year_dirs:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
214 if year_pattern.match(yd) is None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
215 logger.warning("'%s' is not formatted as 'YYYY' and will be ignored. "
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
216 "Is that a typo?")
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
217 continue
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
218 year = int(yd)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
219 year_dir = os.path.join(self.fs_endpoint_path, yd)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
220
95
cb6eadea0845 Fixed a bug with the `shallow` source. Add unit tests.
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parents: 84
diff changeset
221 _, __, filenames = next(os.walk(year_dir))
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
222 for f in filenames:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
223 match = file_pattern.match(f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
224 if match is None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
225 name, ext = os.path.splitext(f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
226 logger.warning("'%s' is not formatted as 'MM-DD_slug-title.%s' "
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
227 "and will be ignored. Is that a typo?" % (f, ext))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
228 continue
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
229 yield self._makeFactory(
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
230 os.path.join(yd, f),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
231 match.group(3),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
232 year,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
233 int(match.group(1)),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
234 int(match.group(2)))
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parents:
diff changeset
235
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
236
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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237 class HierarchyPostsSource(PostsSource):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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238 SOURCE_NAME = 'posts/hierarchy'
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
239 PATH_FORMAT = '%(year)s/%(month)s/%(day)s_%(slug)s.%(ext)s'
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diff changeset
240
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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241 def __init__(self, app, name, config):
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242 super(HierarchyPostsSource, self).__init__(app, name, config)
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parents:
diff changeset
243
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
244 def buildPageFactories(self):
84
b3ce11b2cf36 Don't complain about missing `pages` or `posts` directories by default.
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parents: 80
diff changeset
245 if not self._checkFsEndpointPath():
b3ce11b2cf36 Don't complain about missing `pages` or `posts` directories by default.
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parents: 80
diff changeset
246 return
3
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diff changeset
247 logger.debug("Scanning for posts (hierarchy) in: %s" % self.fs_endpoint_path)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
248 year_pattern = re.compile(r'(\d{4})$')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
249 month_pattern = re.compile(r'(\d{2})$')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
250 file_pattern = re.compile(r'(\d{2})_(.*)\.(\w+)$')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
251 _, year_dirs, __ = next(os.walk(self.fs_endpoint_path))
5
474c9882decf Upgrade to Python 3.
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parents: 3
diff changeset
252 year_dirs = [d for d in year_dirs if year_pattern.match(d)]
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
253 for yd in year_dirs:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
254 year = int(yd)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
255 year_dir = os.path.join(self.fs_endpoint_path, yd)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
256
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
257 _, month_dirs, __ = next(os.walk(year_dir))
5
474c9882decf Upgrade to Python 3.
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parents: 3
diff changeset
258 month_dirs = [d for d in month_dirs if month_pattern.match(d)]
3
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259 for md in month_dirs:
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260 month = int(md)
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261 month_dir = os.path.join(year_dir, md)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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262
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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263 _, __, filenames = next(os.walk(month_dir))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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264 for f in filenames:
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265 match = file_pattern.match(f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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266 if match is None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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267 name, ext = os.path.splitext(f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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268 logger.warning("'%s' is not formatted as 'DD_slug-title.%s' "
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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269 "and will be ignored. Is that a typo?" % (f, ext))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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270 continue
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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271 rel_name = os.path.join(yd, md, f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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272 yield self._makeFactory(
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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273 rel_name,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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274 match.group(2),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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275 year,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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276 month,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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277 int(match.group(1)))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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278