1 | # -*- coding: utf-8 -*- |
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2 | import os |
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3 | import tempfile |
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4 | |
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5 | from zope.interface import implements |
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6 | from zope.app.annotation.interfaces import IAnnotations |
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7 | |
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8 | from collective.transmogrifier.interfaces import ITransmogrifier |
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9 | from collective.transmogrifier.transmogrifier import _load_config, constructPipeline |
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10 | from collective.transmogrifier.transmogrifier import configuration_registry |
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11 | |
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12 | try: |
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13 | from Products.GenericSetup import context as gscontext |
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14 | except ImportError: |
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15 | from Products.CMFSetup import context as gscontext |
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16 | |
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17 | from quintagroup.transmogrifier.writer import WriterSection |
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18 | from quintagroup.transmogrifier.reader import ReaderSection |
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19 | from quintagroup.transmogrifier.configview import ANNOKEY |
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20 | |
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21 | EXPORT_CONFIG = 'export' |
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22 | IMPORT_CONFIG = 'import' |
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23 | |
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24 | CONFIGFILE = None |
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25 | def registerPersistentConfig(site, type_): |
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26 | """ Try to get persistent pipeline configuration of given type (export or import) |
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27 | and register it for use with transmogrifier. |
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28 | """ |
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29 | global CONFIGFILE |
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30 | anno = IAnnotations(site) |
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31 | key = '%s.%s' % (ANNOKEY, type_) |
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32 | config = anno.has_key(key) and anno[key] or None |
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33 | |
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34 | # unregister old config |
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35 | name = 'persitent-%s' % type_ |
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36 | if name in configuration_registry._config_ids: |
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37 | configuration_registry._config_ids.remove(name) |
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38 | del configuration_registry._config_info[name] |
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39 | |
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40 | # register new |
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41 | if config is not None: |
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42 | title = description = u'Persistent %s pipeline' |
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43 | tf = tempfile.NamedTemporaryFile('w+t', suffix='.cfg') |
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44 | tf.write(config) |
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45 | tf.seek(0) |
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46 | CONFIGFILE = tf |
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47 | configuration_registry.registerConfiguration(name, title, description, tf.name) |
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48 | return name |
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49 | else: |
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50 | return None |
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51 | |
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52 | def exportSiteStructure(context): |
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53 | |
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54 | transmogrifier = ITransmogrifier(context.getSite()) |
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55 | |
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56 | # we don't use transmogrifer's __call__ method, because we need to do |
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57 | # some modification in pipeline sections |
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58 | |
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59 | config_name = registerPersistentConfig(context.getSite(), 'export') |
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60 | if config_name is None: |
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61 | transmogrifier._raw = _load_config(EXPORT_CONFIG) |
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62 | else: |
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63 | transmogrifier._raw = _load_config(config_name) |
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64 | global CONFIGFILE |
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65 | CONFIGFILE = None |
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66 | transmogrifier._data = {} |
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67 | |
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68 | options = transmogrifier._raw['transmogrifier'] |
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69 | sections = options['pipeline'].splitlines() |
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70 | pipeline = constructPipeline(transmogrifier, sections) |
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71 | |
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72 | last_section = pipeline.gi_frame.f_locals['self'] |
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73 | |
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74 | # if 'quintagroup.transmogrifier.writer' section's export context is |
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75 | # tarball replace it with given function argument |
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76 | while hasattr(last_section, 'previous'): |
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77 | if isinstance(last_section, WriterSection) and \ |
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78 | isinstance(last_section.export_context, gscontext.TarballExportContext): |
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79 | last_section.export_context = context |
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80 | last_section = last_section.previous |
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81 | # end cycle if we get empty starter section |
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82 | if type(last_section) == type(iter(())): |
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83 | break |
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84 | last_section = last_section.gi_frame.f_locals['self'] |
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85 | |
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86 | # Pipeline execution |
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87 | for item in pipeline: |
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88 | pass # discard once processed |
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89 | |
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90 | def importSiteStructure(context): |
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91 | # Only run step if a flag file is present |
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92 | if context.readDataFile('quintagroup.transmogrifier-import.txt') is None: |
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93 | return |
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94 | |
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95 | transmogrifier = ITransmogrifier(context.getSite()) |
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96 | |
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97 | # we don't use transmogrifer's __call__ method, because we need to do |
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98 | # some modification in pipeline sections |
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99 | |
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100 | config_name = registerPersistentConfig(context.getSite(), 'import') |
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101 | if config_name is None: |
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102 | transmogrifier._raw = _load_config(IMPORT_CONFIG) |
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103 | else: |
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104 | transmogrifier._raw = _load_config(config_name) |
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105 | global CONFIGFILE |
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106 | CONFIGFILE = None |
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107 | transmogrifier._data = {} |
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108 | |
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109 | # this function is also called when adding Plone site, so call standard handler |
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110 | path = '' |
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111 | prefix = 'structure' |
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112 | if 'reader' in transmogrifier._raw: |
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113 | path = transmogrifier._raw['reader'].get('path', '') |
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114 | prefix = transmogrifier._raw['reader'].get('prefix', 'structure') |
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115 | if not context.readDataFile('.objects.xml', subdir=os.path.join(path, prefix)): |
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116 | try: |
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117 | from Products.GenericSetup.interfaces import IFilesystemImporter |
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118 | IFilesystemImporter(context.getSite()).import_(context, 'structure', True) |
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119 | except ImportError: |
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120 | pass |
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121 | return |
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122 | |
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123 | options = transmogrifier._raw['transmogrifier'] |
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124 | sections = options['pipeline'].splitlines() |
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125 | pipeline = constructPipeline(transmogrifier, sections) |
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126 | |
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127 | last_section = pipeline.gi_frame.f_locals['self'] |
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128 | |
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129 | # if 'quintagroup.transmogrifier.writer' section's export context is |
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130 | # tarball replace it with given function argument |
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131 | while hasattr(last_section, 'previous'): |
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132 | last_section = last_section.previous |
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133 | # end cycle if we get empty starter section |
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134 | if type(last_section) == type(iter(())): |
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135 | break |
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136 | last_section = last_section.gi_frame.f_locals['self'] |
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137 | |
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138 | # Pipeline execution |
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139 | for item in pipeline: |
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140 | pass # discard once processed |
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