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annotate piecrust/sources/posts.py @ 11:617191dec18e

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Fixes for Windows, make `findPagePath` return a ref path.
author Ludovic Chabant <ludovic@chabant.com>
date Mon, 18 Aug 2014 16:47:44 -0700
parents f5ca5c5bed85
children 485682a6de50
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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 import CONTENT_DIR
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8 from piecrust.sources.base import (PageSource, IPreparingSource,
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9 SimplePaginationSourceMixin,
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10 PageNotFoundError, InvalidFileSystemEndpointError,
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11 PageFactory, MODE_CREATING, MODE_PARSING)
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12
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13
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14 logger = logging.getLogger(__name__)
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16
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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, CONTENT_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 return os.path.normpath(os.path.join(self.fs_endpoint_path, ref_path))
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33
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34 def findPagePath(self, metadata, mode):
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35 year = metadata.get('year')
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36 month = metadata.get('month')
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37 day = metadata.get('day')
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38 slug = metadata.get('slug')
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39
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40 ext = metadata.get('ext')
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41 if ext is None:
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42 if len(self.supported_extensions) == 1:
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43 ext = self.supported_extensions[0]
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44 elif mode == MODE_CREATING and self.default_auto_format:
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45 ext = self.default_auto_format
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46
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47 replacements = {
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48 'year': year,
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49 'month': month,
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50 'day': day,
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51 'slug': slug,
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52 'ext': ext
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53 }
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54 needs_recapture = False
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55 if year is None:
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56 needs_recapture = True
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57 replacements['year'] = '????'
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58 if month is None:
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59 needs_recapture = True
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60 replacements['month'] = '??'
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61 if day is None:
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62 needs_recapture = True
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63 replacements['day'] = '??'
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64 if slug is None:
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65 needs_recapture = True
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66 replacements['slug'] = '*'
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67 if ext is None:
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68 needs_recapture = True
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69 replacements['ext'] = '*'
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70 path = os.path.normpath(os.path.join(
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71 self.fs_endpoint_path, self.path_format % replacements))
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72
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73 if needs_recapture:
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74 if mode == MODE_CREATING:
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75 raise ValueError("Not enough information to find a post path.")
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76 possible_paths = glob.glob(path)
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77 if len(possible_paths) != 1:
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78 raise PageNotFoundError()
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79 path = possible_paths[0]
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80 elif mode == MODE_PARSING and not os.path.isfile(path):
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81 raise PageNotFoundError(path)
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82
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83 regex_repl = {
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84 'year': '(?P<year>\d{4})',
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85 'month': '(?P<month>\d{2})',
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86 'day': '(?P<day>\d{2})',
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87 'slug': '(?P<slug>.*)',
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88 'ext': '(?P<ext>.*)'
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89 }
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90 #sanitized_fs_endpoint_path = (self.fs_endpoint_path.
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91 # replace('\\', '/').rstrip('/'))
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92 #pattern = (re.escape(sanitized_fs_endpoint_path) + '/' +
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93 # self.path_format % regex_repl)
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94 pattern = self.path_format % regex_repl + '$'
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95 m = re.search(pattern, path.replace('\\', '/'))
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96 if not m:
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97 raise Exception("Expected to be able to match path with path "
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98 "format: %s" % path)
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99 fac_metadata = {
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100 'year': m.group('year'),
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101 'month': m.group('month'),
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102 'day': m.group('day'),
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103 'slug': m.group('slug')
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104 }
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105 rel_path = os.path.relpath(path, self.fs_endpoint_path)
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106 rel_path = rel_path.replace('\\', '/')
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107 return rel_path, fac_metadata
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108
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109 def setupPrepareParser(self, parser, app):
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110 parser.add_argument('-d', '--date', help="The date of the post, "
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111 "in `year/month/day` format (defaults to today).")
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112 parser.add_argument('slug', help="The URL slug for the new post.")
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113
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114 def buildMetadata(self, args):
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115 today = datetime.date.today()
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116 year, month, day = today.year, today.month, today.day
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117 if args.date:
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118 year, month, day = [s for s in args.date.split('/') if int(s)]
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119 return {'year': year, 'month': month, 'day': day, 'slug': args.slug}
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120
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121 def _checkFsEndpointPath(self):
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122 if not os.path.isdir(self.fs_endpoint_path):
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123 raise InvalidFileSystemEndpointError(self.name, self.fs_endpoint_path)
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124
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125 def _makeFactory(self, path, slug, year, month, day):
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126 path = path.replace('\\', '/')
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127 timestamp = datetime.date(year, month, day)
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128 metadata = {
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129 'slug': slug,
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130 'year': year,
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131 'month': month,
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132 'day': day,
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133 'date': timestamp}
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134 return PageFactory(self, path, metadata)
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135
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136
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137 class FlatPostsSource(PostsSource):
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138 SOURCE_NAME = 'posts/flat'
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139 PATH_FORMAT = '%(year)s-%(month)s-%(day)s_%(slug)s.%(ext)s'
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140
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141 def __init__(self, app, name, config):
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142 super(FlatPostsSource, self).__init__(app, name, config)
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143
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144 def buildPageFactories(self):
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145 logger.debug("Scanning for posts (flat) in: %s" % self.fs_endpoint_path)
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146 pattern = re.compile(r'(\d{4})-(\d{2})-(\d{2})_(.*)\.(\w+)$')
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147 _, __, filenames = next(os.walk(self.fs_endpoint_path))
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148 for f in filenames:
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149 match = pattern.match(f)
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150 if match is None:
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151 name, ext = os.path.splitext(f)
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152 logger.warning("'%s' is not formatted as 'YYYY-MM-DD_slug-title.%s' "
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153 "and will be ignored. Is that a typo?" % (f, ext))
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154 continue
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155 yield self._makeFactory(
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156 f,
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157 match.group(4),
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158 int(match.group(1)),
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159 int(match.group(2)),
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160 int(match.group(3)))
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161
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162
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163 class ShallowPostsSource(PostsSource):
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164 SOURCE_NAME = 'posts/shallow'
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165 PATH_FORMAT = '%(year)s/%(month)s-%(day)s_%(slug)s.%(ext)s'
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166
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167 def __init__(self, app, name, config):
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168 super(ShallowPostsSource, self).__init__(app, name, config)
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169
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170 def buildPageFactories(self):
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171 logger.debug("Scanning for posts (shallow) in: %s" % self.fs_endpoint_path)
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172 year_pattern = re.compile(r'(\d{4})$')
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173 file_pattern = re.compile(r'(\d{2})-(\d{2})_(.*)\.(\w+)$')
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174 _, year_dirs, __ = next(os.walk(self.fs_endpoint_path))
5
474c9882decf Upgrade to Python 3.
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175 year_dirs = [d for d in year_dirs if year_pattern.match(d)]
3
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176 for yd in year_dirs:
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177 if year_pattern.match(yd) is None:
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178 logger.warning("'%s' is not formatted as 'YYYY' and will be ignored. "
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179 "Is that a typo?")
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180 continue
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181 year = int(yd)
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182 year_dir = os.path.join(self.fs_endpoint_path, yd)
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183
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184 _, __, filenames = os.walk(year_dir)
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185 for f in filenames:
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186 match = file_pattern.match(f)
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187 if match is None:
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188 name, ext = os.path.splitext(f)
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189 logger.warning("'%s' is not formatted as 'MM-DD_slug-title.%s' "
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190 "and will be ignored. Is that a typo?" % (f, ext))
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191 continue
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192 yield self._makeFactory(
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193 os.path.join(yd, f),
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diff changeset
194 match.group(3),
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195 year,
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diff changeset
196 int(match.group(1)),
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diff changeset
197 int(match.group(2)))
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198
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199
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200 class HierarchyPostsSource(PostsSource):
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201 SOURCE_NAME = 'posts/hierarchy'
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diff changeset
202 PATH_FORMAT = '%(year)s/%(month)s/%(day)s_%(slug)s.%(ext)s'
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parents:
diff changeset
203
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204 def __init__(self, app, name, config):
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205 super(HierarchyPostsSource, self).__init__(app, name, config)
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parents:
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206
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diff changeset
207 def buildPageFactories(self):
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diff changeset
208 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
209 year_pattern = re.compile(r'(\d{4})$')
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parents:
diff changeset
210 month_pattern = re.compile(r'(\d{2})$')
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parents:
diff changeset
211 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
212 _, year_dirs, __ = next(os.walk(self.fs_endpoint_path))
5
474c9882decf Upgrade to Python 3.
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parents: 3
diff changeset
213 year_dirs = [d for d in year_dirs if year_pattern.match(d)]
3
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parents:
diff changeset
214 for yd in year_dirs:
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parents:
diff changeset
215 year = int(yd)
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diff changeset
216 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
217
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
218 _, month_dirs, __ = next(os.walk(year_dir))
5
474c9882decf Upgrade to Python 3.
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parents: 3
diff changeset
219 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
220 for md in month_dirs:
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diff changeset
221 month = int(md)
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diff changeset
222 month_dir = os.path.join(year_dir, md)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
223
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
224 _, __, filenames = next(os.walk(month_dir))
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
225 for f in filenames:
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parents:
diff changeset
226 match = file_pattern.match(f)
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parents:
diff changeset
227 if match is None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
228 name, ext = os.path.splitext(f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
229 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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parents:
diff changeset
230 "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
231 continue
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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diff changeset
232 rel_name = os.path.join(yd, md, f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
233 yield self._makeFactory(
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parents:
diff changeset
234 rel_name,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
235 match.group(2),
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.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
237 month,
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
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parents:
diff changeset
238 int(match.group(1)))
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parents:
diff changeset
239