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comparison piecrust/data/linker.py @ 852:4850f8c21b6e

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core: Start of the big refactor for PieCrust 3.0. * Everything is a `ContentSource`, including assets directories. * Most content sources are subclasses of the base file-system source. * A source is processed by a "pipeline", and there are 2 built-in pipelines, one for assets and one for pages. The asset pipeline is vaguely functional, but the page pipeline is completely broken right now. * Rewrite the baking process as just running appropriate pipelines on each content item. This should allow for better parallelization.
author Ludovic Chabant <ludovic@chabant.com>
date Wed, 17 May 2017 00:11:48 -0700
parents 3cca1f6bd610
children f070a4fc033c
comparison
equal deleted inserted replaced
851:2c7e57d80bba 852:4850f8c21b6e
1 import logging 1 import logging
2 import collections 2 import collections
3 from piecrust.data.iterators import PageIterator 3 from piecrust.data.iterators import PageIterator
4 from piecrust.data.pagedata import LazyPageConfigLoaderHasNoValue 4 from piecrust.data.pagedata import LazyPageConfigLoaderHasNoValue
5 from piecrust.data.paginationdata import PaginationData 5 from piecrust.data.paginationdata import PaginationData
6 from piecrust.sources.interfaces import IPaginationSource, IListableSource 6 from piecrust.sources.interfaces import IPaginationSource
7 7
8 8
9 logger = logging.getLogger(__name__) 9 logger = logging.getLogger(__name__)
10 10
11 11
12 class PageLinkerData(object): 12 class PageLinkerData(object):
13 """ Entry template data to get access to related pages from a given 13 """ Entry template data to get access to related pages from a given
14 root page. 14 root page.
15 """ 15 """
16 debug_render = ['parent', 'ancestors', 'siblings', 'children', 'root', 16 debug_render = ['parent', 'ancestors', 'siblings', 'children', 'root',
17 'forpath'] 17 'forpath']
18 debug_render_invoke = ['parent', 'ancestors', 'siblings', 'children', 18 debug_render_invoke = ['parent', 'ancestors', 'siblings', 'children',
19 'root'] 19 'root']
20 debug_render_redirect = { 20 debug_render_redirect = {
21 'ancestors': '_debugRenderAncestors', 21 'ancestors': '_debugRenderAncestors',
22 'siblings': '_debugRenderSiblings', 22 'siblings': '_debugRenderSiblings',
23 'children': '_debugRenderChildren', 23 'children': '_debugRenderChildren',
24 'root': '_debugRenderRoot'} 24 'root': '_debugRenderRoot'}
25 25
26 def __init__(self, source, page_path): 26 def __init__(self, source, page_path):
27 self._source = source 27 self._source = source
28 self._root_page_path = page_path 28 self._root_page_path = page_path
29 self._linker = None 29 self._linker = None
79 def _load(self): 79 def _load(self):
80 if self._is_loaded: 80 if self._is_loaded:
81 return 81 return
82 82
83 self._is_loaded = True 83 self._is_loaded = True
84
85 is_listable = isinstance(self._source, IListableSource)
86 if not is_listable:
87 return
88 84
89 dir_path = self._source.getDirpath(self._root_page_path) 85 dir_path = self._source.getDirpath(self._root_page_path)
90 self._linker = Linker(self._source, dir_path, 86 self._linker = Linker(self._source, dir_path,
91 root_page_path=self._root_page_path) 87 root_page_path=self._root_page_path)
92 88
258 if not is_dir and name == parent_name: 254 if not is_dir and name == parent_name:
259 parent_page = data.buildPage() 255 parent_page = data.buildPage()
260 item = _LinkedPage(parent_page) 256 item = _LinkedPage(parent_page)
261 item._linker_info.name = parent_name 257 item._linker_info.name = parent_name
262 item._linker_info.child_linker = Linker( 258 item._linker_info.child_linker = Linker(
263 self._source, parent_dir_path, 259 self._source, parent_dir_path,
264 root_page_path=self._root_page_path) 260 root_page_path=self._root_page_path)
265 self._parent = LinkedPageData(item) 261 self._parent = LinkedPageData(item)
266 break 262 break
267 else: 263 else:
268 self._parent = Linker(self._source, parent_dir_path, 264 self._parent = Linker(self._source, parent_dir_path,
269 root_page_path=self._root_page_path) 265 root_page_path=self._root_page_path)
305 return PageIterator(src) 301 return PageIterator(src)
306 302
307 def _load(self): 303 def _load(self):
308 if self._items is not None: 304 if self._items is not None:
309 return 305 return
310
311 is_listable = isinstance(self._source, IListableSource)
312 if not is_listable:
313 raise Exception("Source '%s' can't be listed." % self._source.name)
314 306
315 items = list(self._source.listPath(self._dir_path)) 307 items = list(self._source.listPath(self._dir_path))
316 self._items = collections.OrderedDict() 308 self._items = collections.OrderedDict()
317 for is_dir, name, data in items: 309 for is_dir, name, data in items:
318 # If `is_dir` is true, `data` will be the directory's source 310 # If `is_dir` is true, `data` will be the directory's source