Mercurial > piecrust2

annotate piecrust/sources/posts.py @ 36:485682a6de50

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New site layout support.
author Ludovic Chabant <ludovic@chabant.com>
date Wed, 20 Aug 2014 23:16:51 -0700
parents 617191dec18e
children a46354306738
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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 (PageSource, IPreparingSource,
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8 SimplePaginationSourceMixin,
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9 PageNotFoundError, InvalidFileSystemEndpointError,
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10 PageFactory, MODE_CREATING, MODE_PARSING)
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12
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13 logger = logging.getLogger(__name__)
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15
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16 class PostsSource(PageSource, IPreparingSource, SimplePaginationSourceMixin):
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17 PATH_FORMAT = None
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18
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19 def __init__(self, app, name, config):
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20 super(PostsSource, self).__init__(app, name, config)
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21 self.fs_endpoint = config.get('fs_endpoint', name)
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22 self.fs_endpoint_path = os.path.join(self.root_dir, self.fs_endpoint)
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23 self.supported_extensions = list(app.config.get('site/auto_formats').keys())
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24 self.default_auto_format = app.config.get('site/default_auto_format')
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25
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26 @property
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27 def path_format(self):
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28 return self.__class__.PATH_FORMAT
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29
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30 def resolveRef(self, ref_path):
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31 return os.path.normpath(os.path.join(self.fs_endpoint_path, ref_path))
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32
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33 def findPagePath(self, metadata, mode):
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34 year = metadata.get('year')
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35 month = metadata.get('month')
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36 day = metadata.get('day')
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37 slug = metadata.get('slug')
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38
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39 ext = metadata.get('ext')
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40 if ext is None:
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41 if len(self.supported_extensions) == 1:
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42 ext = self.supported_extensions[0]
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43 elif mode == MODE_CREATING and self.default_auto_format:
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44 ext = self.default_auto_format
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45
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46 replacements = {
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47 'year': year,
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48 'month': month,
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49 'day': day,
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50 'slug': slug,
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51 'ext': ext
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52 }
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53 needs_recapture = False
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54 if year is None:
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55 needs_recapture = True
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56 replacements['year'] = '????'
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57 if month is None:
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58 needs_recapture = True
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59 replacements['month'] = '??'
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60 if day is None:
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61 needs_recapture = True
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62 replacements['day'] = '??'
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63 if slug is None:
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64 needs_recapture = True
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65 replacements['slug'] = '*'
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66 if ext is None:
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67 needs_recapture = True
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68 replacements['ext'] = '*'
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69 path = os.path.normpath(os.path.join(
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70 self.fs_endpoint_path, self.path_format % replacements))
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71
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72 if needs_recapture:
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73 if mode == MODE_CREATING:
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74 raise ValueError("Not enough information to find a post path.")
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75 possible_paths = glob.glob(path)
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76 if len(possible_paths) != 1:
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77 raise PageNotFoundError()
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78 path = possible_paths[0]
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79 elif mode == MODE_PARSING and not os.path.isfile(path):
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80 raise PageNotFoundError(path)
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81
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82 regex_repl = {
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83 'year': '(?P<year>\d{4})',
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84 'month': '(?P<month>\d{2})',
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85 'day': '(?P<day>\d{2})',
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86 'slug': '(?P<slug>.*)',
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87 'ext': '(?P<ext>.*)'
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88 }
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89 #sanitized_fs_endpoint_path = (self.fs_endpoint_path.
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90 # replace('\\', '/').rstrip('/'))
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91 #pattern = (re.escape(sanitized_fs_endpoint_path) + '/' +
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92 # self.path_format % regex_repl)
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93 pattern = self.path_format % regex_repl + '$'
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94 m = re.search(pattern, path.replace('\\', '/'))
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95 if not m:
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96 raise Exception("Expected to be able to match path with path "
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97 "format: %s" % path)
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98 fac_metadata = {
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99 'year': m.group('year'),
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100 'month': m.group('month'),
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101 'day': m.group('day'),
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102 'slug': m.group('slug')
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103 }
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104 rel_path = os.path.relpath(path, self.fs_endpoint_path)
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105 rel_path = rel_path.replace('\\', '/')
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106 return rel_path, fac_metadata
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107
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108 def setupPrepareParser(self, parser, app):
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109 parser.add_argument('-d', '--date', help="The date of the post, "
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110 "in `year/month/day` format (defaults to today).")
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111 parser.add_argument('slug', help="The URL slug for the new post.")
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112
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113 def buildMetadata(self, args):
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114 today = datetime.date.today()
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115 year, month, day = today.year, today.month, today.day
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116 if args.date:
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117 year, month, day = [s for s in args.date.split('/') if int(s)]
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118 return {'year': year, 'month': month, 'day': day, 'slug': args.slug}
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119
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120 def _checkFsEndpointPath(self):
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121 if not os.path.isdir(self.fs_endpoint_path):
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122 raise InvalidFileSystemEndpointError(self.name, self.fs_endpoint_path)
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123
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124 def _makeFactory(self, path, slug, year, month, day):
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125 path = path.replace('\\', '/')
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126 timestamp = datetime.date(year, month, day)
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127 metadata = {
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128 'slug': slug,
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129 'year': year,
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130 'month': month,
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131 'day': day,
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132 'date': timestamp}
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133 return PageFactory(self, path, metadata)
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134
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135
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136 class FlatPostsSource(PostsSource):
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137 SOURCE_NAME = 'posts/flat'
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138 PATH_FORMAT = '%(year)s-%(month)s-%(day)s_%(slug)s.%(ext)s'
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139
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140 def __init__(self, app, name, config):
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141 super(FlatPostsSource, self).__init__(app, name, config)
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142
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143 def buildPageFactories(self):
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144 logger.debug("Scanning for posts (flat) in: %s" % self.fs_endpoint_path)
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145 pattern = re.compile(r'(\d{4})-(\d{2})-(\d{2})_(.*)\.(\w+)$')
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146 _, __, filenames = next(os.walk(self.fs_endpoint_path))
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147 for f in filenames:
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148 match = pattern.match(f)
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149 if match is None:
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150 name, ext = os.path.splitext(f)
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151 logger.warning("'%s' is not formatted as 'YYYY-MM-DD_slug-title.%s' "
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152 "and will be ignored. Is that a typo?" % (f, ext))
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153 continue
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154 yield self._makeFactory(
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155 f,
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156 match.group(4),
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157 int(match.group(1)),
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158 int(match.group(2)),
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159 int(match.group(3)))
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160
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161
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162 class ShallowPostsSource(PostsSource):
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163 SOURCE_NAME = 'posts/shallow'
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164 PATH_FORMAT = '%(year)s/%(month)s-%(day)s_%(slug)s.%(ext)s'
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165
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166 def __init__(self, app, name, config):
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167 super(ShallowPostsSource, self).__init__(app, name, config)
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168
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169 def buildPageFactories(self):
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170 logger.debug("Scanning for posts (shallow) in: %s" % self.fs_endpoint_path)
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171 year_pattern = re.compile(r'(\d{4})$')
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172 file_pattern = re.compile(r'(\d{2})-(\d{2})_(.*)\.(\w+)$')
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173 _, year_dirs, __ = next(os.walk(self.fs_endpoint_path))
5
474c9882decf Upgrade to Python 3.
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174 year_dirs = [d for d in year_dirs if year_pattern.match(d)]
3
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175 for yd in year_dirs:
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176 if year_pattern.match(yd) is None:
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177 logger.warning("'%s' is not formatted as 'YYYY' and will be ignored. "
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178 "Is that a typo?")
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179 continue
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180 year = int(yd)
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181 year_dir = os.path.join(self.fs_endpoint_path, yd)
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182
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183 _, __, filenames = os.walk(year_dir)
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184 for f in filenames:
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185 match = file_pattern.match(f)
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186 if match is None:
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187 name, ext = os.path.splitext(f)
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188 logger.warning("'%s' is not formatted as 'MM-DD_slug-title.%s' "
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189 "and will be ignored. Is that a typo?" % (f, ext))
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190 continue
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191 yield self._makeFactory(
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192 os.path.join(yd, f),
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193 match.group(3),
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194 year,
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195 int(match.group(1)),
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196 int(match.group(2)))
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197
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198
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199 class HierarchyPostsSource(PostsSource):
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200 SOURCE_NAME = 'posts/hierarchy'
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diff changeset
201 PATH_FORMAT = '%(year)s/%(month)s/%(day)s_%(slug)s.%(ext)s'
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202
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203 def __init__(self, app, name, config):
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204 super(HierarchyPostsSource, self).__init__(app, name, config)
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205
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206 def buildPageFactories(self):
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diff changeset
207 logger.debug("Scanning for posts (hierarchy) in: %s" % self.fs_endpoint_path)
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parents:
diff changeset
208 year_pattern = re.compile(r'(\d{4})$')
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diff changeset
209 month_pattern = re.compile(r'(\d{2})$')
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diff changeset
210 file_pattern = re.compile(r'(\d{2})_(.*)\.(\w+)$')
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parents:
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
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diff changeset
213 for yd in year_dirs:
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diff changeset
214 year = int(yd)
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diff changeset
215 year_dir = os.path.join(self.fs_endpoint_path, yd)
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parents:
diff changeset
216
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
217 _, month_dirs, __ = next(os.walk(year_dir))
5
474c9882decf Upgrade to Python 3.
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parents: 3
diff changeset
218 month_dirs = [d for d in month_dirs if month_pattern.match(d)]
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
219 for md in month_dirs:
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diff changeset
220 month = int(md)
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diff changeset
221 month_dir = os.path.join(year_dir, md)
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parents:
diff changeset
222
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
223 _, __, filenames = next(os.walk(month_dir))
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parents:
diff changeset
224 for f in filenames:
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diff changeset
225 match = file_pattern.match(f)
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diff changeset
226 if match is None:
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diff changeset
227 name, ext = os.path.splitext(f)
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diff changeset
228 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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diff changeset
229 "and will be ignored. Is that a typo?" % (f, ext))
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diff changeset
230 continue
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diff changeset
231 rel_name = os.path.join(yd, md, f)
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parents:
diff changeset
232 yield self._makeFactory(
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diff changeset
233 rel_name,
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parents:
diff changeset
234 match.group(2),
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
235 year,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
236 month,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
237 int(match.group(1)))
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parents:
diff changeset
238