Mercurial > piecrust2

annotate piecrust/sources/posts.py @ 549:7453baeb0839

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bake: Set the flags, don't combine. We don't want to combine old flags with new ones, especially if something went different between the last bake and the current one.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 04 Aug 2015 21:21:08 -0700
parents bab91fcef741
children 0c74a6c4533d
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 logging
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5 import datetime
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6 from piecrust import osutil
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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
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13
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14 logger = logging.getLogger(__name__)
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15
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16
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f5ca5c5bed85 More Python 3 fixes, modularization, and new unit tests.
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17 class PostsSource(PageSource, IPreparingSource, SimplePaginationSourceMixin):
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18 PATH_FORMAT = None
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19
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20 def __init__(self, app, name, config):
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21 super(PostsSource, self).__init__(app, name, config)
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22 self.fs_endpoint = config.get('fs_endpoint', name)
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23 self.fs_endpoint_path = os.path.join(self.root_dir, self.fs_endpoint)
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24 self.supported_extensions = list(app.config.get('site/auto_formats').keys())
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25 self.default_auto_format = app.config.get('site/default_auto_format')
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26
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27 @property
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28 def path_format(self):
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29 return self.__class__.PATH_FORMAT
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30
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31 def resolveRef(self, ref_path):
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32 path = os.path.normpath(os.path.join(self.fs_endpoint_path, ref_path))
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33 metadata = self._parseMetadataFromPath(ref_path)
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34 return path, metadata
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35
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36 def findPageFactory(self, metadata, mode):
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37 year = metadata.get('year')
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38 month = metadata.get('month')
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39 day = metadata.get('day')
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40 slug = metadata.get('slug')
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41
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42 try:
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43 if year is not None:
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44 year = int(year)
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45 if month is not None:
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46 month = int(month)
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47 if day is not None:
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48 day = int(day)
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49 except ValueError:
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50 return None
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a46354306738 Use properly formatted date components for the blog sources.
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51
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52 ext = metadata.get('ext')
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53 if ext is None:
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54 if len(self.supported_extensions) == 1:
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55 ext = self.supported_extensions[0]
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56 elif mode == MODE_CREATING and self.default_auto_format:
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57 ext = self.default_auto_format
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58
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59 replacements = {
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60 'year': '%04d' % year if year is not None else None,
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61 'month': '%02d' % month if month is not None else None,
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62 'day': '%02d' % day if day is not None else None,
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63 'slug': slug,
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64 'ext': ext
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65 }
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66 needs_recapture = False
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67 if year is None:
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68 needs_recapture = True
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69 replacements['year'] = '????'
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70 if month is None:
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71 needs_recapture = True
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72 replacements['month'] = '??'
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73 if day is None:
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74 needs_recapture = True
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75 replacements['day'] = '??'
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76 if slug is None:
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77 needs_recapture = True
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78 replacements['slug'] = '*'
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79 if ext is None:
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80 needs_recapture = True
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81 replacements['ext'] = '*'
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82 path = os.path.normpath(os.path.join(
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83 self.fs_endpoint_path, self.path_format % replacements))
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84
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85 if needs_recapture:
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86 if mode == MODE_CREATING:
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87 raise ValueError("Not enough information to find a post path.")
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88 possible_paths = osutil.glob(path)
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89 if len(possible_paths) != 1:
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90 return None
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91 path = possible_paths[0]
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92 elif mode == MODE_PARSING and not os.path.isfile(path):
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93 return None
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94
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95 rel_path = os.path.relpath(path, self.fs_endpoint_path)
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96 rel_path = rel_path.replace('\\', '/')
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97 fac_metadata = self._parseMetadataFromPath(rel_path)
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98 return PageFactory(self, rel_path, fac_metadata)
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99
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100 def setupPrepareParser(self, parser, app):
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101 parser.add_argument('-d', '--date', help="The date of the post, "
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102 "in `year/month/day` format (defaults to today).")
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103 parser.add_argument('slug', help="The URL slug for the new post.")
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104
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105 def buildMetadata(self, args):
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106 dt = datetime.date.today()
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107 if args.date:
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108 if args.date == 'today':
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109 pass # Keep the default we had.
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110 elif args.date == 'tomorrow':
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111 dt += datetime.timedelta(days=1)
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112 elif args.date.startswith('+'):
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113 try:
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114 dt += datetime.timedelta(days=int(args.date.lstrip('+')))
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115 except ValueError:
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116 raise Exception("Date offsets must be numbers.")
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117 else:
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118 try:
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119 year, month, day = [int(s) for s in args.date.split('/')]
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120 except ValueError:
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121 raise Exception("Dates must be of the form: YEAR/MONTH/DAY.")
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122 dt = datetime.date(year, month, day)
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123
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124 year, month, day = dt.year, dt.month, dt.day
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125 return {'year': year, 'month': month, 'day': day, 'slug': args.slug}
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126
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127 def _checkFsEndpointPath(self):
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128 if not os.path.isdir(self.fs_endpoint_path):
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129 if self.ignore_missing_dir:
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130 return False
3
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131 raise InvalidFileSystemEndpointError(self.name, self.fs_endpoint_path)
84
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132 return True
3
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133
363
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134 def _parseMetadataFromPath(self, path):
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diff changeset
135 regex_repl = {
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136 'year': '(?P<year>\d{4})',
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diff changeset
137 'month': '(?P<month>\d{2})',
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diff changeset
138 'day': '(?P<day>\d{2})',
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diff changeset
139 'slug': '(?P<slug>.*)',
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diff changeset
140 'ext': '(?P<ext>.*)'
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diff changeset
141 }
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142 path_format_re = re.sub(r'([\-\.])', r'\\\1', self.path_format)
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diff changeset
143 pattern = path_format_re % regex_repl + '$'
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diff changeset
144 m = re.search(pattern, path.replace('\\', '/'))
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diff changeset
145 if not m:
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diff changeset
146 raise Exception("Expected to be able to match path with path "
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diff changeset
147 "format: %s" % path)
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diff changeset
148
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149 year = int(m.group('year'))
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150 month = int(m.group('month'))
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diff changeset
151 day = int(m.group('day'))
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152 timestamp = datetime.date(year, month, day)
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153 metadata = {
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154 'year': year,
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diff changeset
155 'month': month,
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156 'day': day,
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157 'slug': m.group('slug'),
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158 'date': timestamp
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159 }
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160 return metadata
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161
3
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162 def _makeFactory(self, path, slug, year, month, day):
11
617191dec18e Fixes for Windows, make `findPagePath` return a ref path.
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163 path = path.replace('\\', '/')
3
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164 timestamp = datetime.date(year, month, day)
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165 metadata = {
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166 'slug': slug,
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167 'year': year,
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168 'month': month,
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169 'day': day,
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170 'date': timestamp}
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171 return PageFactory(self, path, metadata)
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172
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173
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174 class FlatPostsSource(PostsSource):
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175 SOURCE_NAME = 'posts/flat'
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176 PATH_FORMAT = '%(year)s-%(month)s-%(day)s_%(slug)s.%(ext)s'
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177
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178 def __init__(self, app, name, config):
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179 super(FlatPostsSource, self).__init__(app, name, config)
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180
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181 def buildPageFactories(self):
84
b3ce11b2cf36 Don't complain about missing `pages` or `posts` directories by default.
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diff changeset
182 if not self._checkFsEndpointPath():
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diff changeset
183 return
3
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184 logger.debug("Scanning for posts (flat) in: %s" % self.fs_endpoint_path)
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185 pattern = re.compile(r'(\d{4})-(\d{2})-(\d{2})_(.*)\.(\w+)$')
520
bab91fcef741 bake/serve: Improve support for unicode, add slugification options.
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diff changeset
186 _, __, filenames = next(osutil.walk(self.fs_endpoint_path))
3
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187 for f in filenames:
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188 match = pattern.match(f)
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189 if match is None:
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190 name, ext = os.path.splitext(f)
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diff changeset
191 logger.warning("'%s' is not formatted as 'YYYY-MM-DD_slug-title.%s' "
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192 "and will be ignored. Is that a typo?" % (f, ext))
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diff changeset
193 continue
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194 yield self._makeFactory(
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195 f,
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diff changeset
196 match.group(4),
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197 int(match.group(1)),
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198 int(match.group(2)),
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diff changeset
199 int(match.group(3)))
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200
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201
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202 class ShallowPostsSource(PostsSource):
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203 SOURCE_NAME = 'posts/shallow'
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diff changeset
204 PATH_FORMAT = '%(year)s/%(month)s-%(day)s_%(slug)s.%(ext)s'
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diff changeset
205
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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206 def __init__(self, app, name, config):
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diff changeset
207 super(ShallowPostsSource, self).__init__(app, name, config)
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diff changeset
208
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209 def buildPageFactories(self):
84
b3ce11b2cf36 Don't complain about missing `pages` or `posts` directories by default.
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parents: 80
diff changeset
210 if not self._checkFsEndpointPath():
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parents: 80
diff changeset
211 return
3
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diff changeset
212 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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parents:
diff changeset
213 year_pattern = re.compile(r'(\d{4})$')
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parents:
diff changeset
214 file_pattern = re.compile(r'(\d{2})-(\d{2})_(.*)\.(\w+)$')
520
bab91fcef741 bake/serve: Improve support for unicode, add slugification options.
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parents: 516
diff changeset
215 _, year_dirs, __ = next(osutil.walk(self.fs_endpoint_path))
5
474c9882decf Upgrade to Python 3.
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parents: 3
diff changeset
216 year_dirs = [d for d in year_dirs if year_pattern.match(d)]
3
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diff changeset
217 for yd in year_dirs:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
218 if year_pattern.match(yd) is None:
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diff changeset
219 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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diff changeset
220 "Is that a typo?")
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parents:
diff changeset
221 continue
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diff changeset
222 year = int(yd)
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diff changeset
223 year_dir = os.path.join(self.fs_endpoint_path, yd)
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diff changeset
224
520
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diff changeset
225 _, __, filenames = next(osutil.walk(year_dir))
3
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diff changeset
226 for f in filenames:
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diff changeset
227 match = file_pattern.match(f)
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diff changeset
228 if match is None:
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diff changeset
229 name, ext = os.path.splitext(f)
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diff changeset
230 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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diff changeset
231 "and will be ignored. Is that a typo?" % (f, ext))
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diff changeset
232 continue
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diff changeset
233 yield self._makeFactory(
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diff changeset
234 os.path.join(yd, f),
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diff changeset
235 match.group(3),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
236 year,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
237 int(match.group(1)),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
238 int(match.group(2)))
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parents:
diff changeset
239
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diff changeset
240
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241 class HierarchyPostsSource(PostsSource):
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242 SOURCE_NAME = 'posts/hierarchy'
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diff changeset
243 PATH_FORMAT = '%(year)s/%(month)s/%(day)s_%(slug)s.%(ext)s'
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diff changeset
244
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245 def __init__(self, app, name, config):
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246 super(HierarchyPostsSource, self).__init__(app, name, config)
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parents:
diff changeset
247
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248 def buildPageFactories(self):
84
b3ce11b2cf36 Don't complain about missing `pages` or `posts` directories by default.
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parents: 80
diff changeset
249 if not self._checkFsEndpointPath():
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diff changeset
250 return
3
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diff changeset
251 logger.debug("Scanning for posts (hierarchy) in: %s" % self.fs_endpoint_path)
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parents:
diff changeset
252 year_pattern = re.compile(r'(\d{4})$')
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parents:
diff changeset
253 month_pattern = re.compile(r'(\d{2})$')
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parents:
diff changeset
254 file_pattern = re.compile(r'(\d{2})_(.*)\.(\w+)$')
520
bab91fcef741 bake/serve: Improve support for unicode, add slugification options.
Ludovic Chabant <ludovic@chabant.com>
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255 _, year_dirs, __ = next(osutil.walk(self.fs_endpoint_path))
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256 year_dirs = [d for d in year_dirs if year_pattern.match(d)]
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257 for yd in year_dirs:
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258 year = int(yd)
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259 year_dir = os.path.join(self.fs_endpoint_path, yd)
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260
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261 _, month_dirs, __ = next(osutil.walk(year_dir))
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262 month_dirs = [d for d in month_dirs if month_pattern.match(d)]
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263 for md in month_dirs:
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264 month = int(md)
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265 month_dir = os.path.join(year_dir, md)
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266
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267 _, __, filenames = next(osutil.walk(month_dir))
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268 for f in filenames:
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269 match = file_pattern.match(f)
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270 if match is None:
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271 name, ext = os.path.splitext(f)
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272 logger.warning("'%s' is not formatted as 'DD_slug-title.%s' "
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273 "and will be ignored. Is that a typo?" % (f, ext))
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274 continue
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275 rel_name = os.path.join(yd, md, f)
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276 yield self._makeFactory(
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277 rel_name,
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278 match.group(2),
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279 year,
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280 month,
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281 int(match.group(1)))
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282