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1 #!/usr/bin/python2.5 |
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2 # |
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3 # Copyright 2008 the Melange authors. |
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4 # |
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5 # Licensed under the Apache License, Version 2.0 (the "License"); |
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6 # you may not use this file except in compliance with the License. |
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7 # You may obtain a copy of the License at |
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8 # |
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9 # http://www.apache.org/licenses/LICENSE-2.0 |
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10 # |
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11 # Unless required by applicable law or agreed to in writing, software |
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12 # distributed under the License is distributed on an "AS IS" BASIS, |
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13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 # See the License for the specific language governing permissions and |
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15 # limitations under the License. |
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16 |
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17 """Helpers for manipulating templates. |
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18 """ |
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19 |
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20 __authors__ = [ |
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21 '"Todd Larsen" <tlarsen@google.com>', |
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22 '"Pawel Solyga" <pawel.solyga@gmail.com>' |
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23 ] |
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24 |
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25 |
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26 def makeSiblingTemplatesList(templates, new_template_file, |
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27 default_template=None): |
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28 """Converts template paths into a list of "sibling" templates. |
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29 |
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30 Args: |
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31 templates: search list of templates (or just a single template not in a |
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32 list) from which template paths will be extracted (discarding the final |
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33 template file name of each template) |
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34 new_template_file: new "sibling" template file to append to each extracted |
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35 template path |
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36 default_template: a default template (or a list of them) to append to the |
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37 end of the generated "sibling" template paths; default is None |
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38 |
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39 Returns: |
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40 A list of potential "sibling" templates named by new_template_file located |
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41 in the paths of the templates in the supplied list. For example, from: |
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42 ['foo/bar/the_old_template.html', 'foo/the_old_template.html'] |
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43 to: |
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44 ['foo/bar/some_new_template.html', 'foo/some_new_template.html'] |
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45 """ |
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46 if not isinstance(templates, (list, tuple)): |
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47 templates = [templates] |
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48 |
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49 if default_template is None: |
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50 default_template = [] |
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51 |
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52 if not isinstance(default_template, (list, tuple)): |
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53 default_template = [default_template] |
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54 |
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55 sibling_templates = [ |
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56 '%s/%s' % (t.rsplit('/', 1)[0], new_template_file) for t in templates] |
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57 |
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58 return sibling_templates + default_template |
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59 |
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60 |
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61 def unescape(html): |
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62 """Returns the given HTML with ampersands, quotes and carets decoded. |
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63 """ |
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64 if not isinstance(html, basestring): |
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65 html = str(html) |
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66 |
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67 html.replace(''',"'").replace('<', '<') |
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68 html.replace('>', '>').replace('"', '"').replace('&', '&') |
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69 return html |