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annotate piecrust/uriutil.py @ 240:c1d4e86a3918

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less: Generate a proper, available URL for the LESS CSS map file. * The `less` processor now generates a usable URL for map files. * The server can serve files from inside the `_cache` directory.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 15 Feb 2015 23:29:51 -0800
parents 62c7a97c8340
children b7ab1b503510
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1 import re
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2 import os.path
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3 import string
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4 import logging
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5 import functools
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8 logger = logging.getLogger(__name__)
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11 class UriError(Exception):
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12 def __init__(self, uri):
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13 super(UriError, self).__init__("Invalid URI: %s" % uri)
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16 @functools.total_ordering
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17 class UriInfo(object):
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18 def __init__(self, uri, source, args, taxonomy=None, page_num=1):
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19 self.uri = uri
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20 self.source = source
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21 self.args = args
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22 self.taxonomy = taxonomy
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23 self.page_num = page_num
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25 def __eq__(self, other):
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26 return ((self.uri, self.source, self.args, self.taxonomy,
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27 self.page_num) ==
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28 (other.uri, other.source, other.args, other.taxonomy,
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29 other.page_num))
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31 def __lt__(self, other):
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32 return ((self.uri, self.source, self.args, self.taxonomy,
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33 self.page_num) <
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34 (other.uri, other.source, other.args, other.taxonomy,
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35 other.page_num))
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38 pagenum_pattern = re.compile(r'/(\d+)/?$')
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41 def parse_uri(routes, uri):
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42 if uri.find('..') >= 0:
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43 raise UriError(uri)
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45 page_num = 1
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46 match = pagenum_pattern.search(uri)
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47 if match is not None:
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48 uri = uri[:match.start()]
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49 page_num = int(match.group(1))
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51 uri = '/' + uri.strip('/')
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53 for rn, rc in routes.items():
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54 pattern = route_to_pattern(rn)
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55 m = re.match(pattern, uri)
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56 if m is not None:
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57 args = m.groupdict()
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58 return UriInfo(uri, rc['source'], args, rc.get('taxonomy'),
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59 page_num)
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61 return None
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64 r2p_pattern = re.compile(r'%(\w+)%')
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67 def route_to_pattern(route):
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68 return r2p_pattern.sub(r'(?P<\1>[\w\-]+)', route)
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71 def multi_replace(text, replacements):
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72 reps = dict((re.escape(k), v) for k, v in replacements.items())
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73 pattern = re.compile("|".join(list(reps.keys())))
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74 return pattern.sub(lambda m: reps[re.escape(m.group(0))], text)
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77 def get_slug(app, uri):
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78 site_root = app.config.get('site/root')
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79 uri = uri[len(site_root):]
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80 return uri.lstrip('/')
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81
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83 def get_first_sub_uri(app, uri):
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84 pretty_urls = app.config.get('site/pretty_urls')
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85 if not pretty_urls:
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86 uri, ext = os.path.splitext(uri)
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88 pgn_suffix_re = app.config.get('__cache/pagination_suffix_re')
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89 m = re.search(pgn_suffix_re, uri)
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90 if m:
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91 uri = uri[:m.start()]
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92
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93 if not pretty_urls:
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94 uri += ext
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96 return uri
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97