1 | import os.path |
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2 | from xml.dom import minidom |
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3 | |
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4 | from zope.interface import classProvides, implements |
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5 | from zope.interface import providedBy, alsoProvides |
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6 | from zope.annotation.interfaces import IAnnotations |
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7 | |
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8 | from collective.transmogrifier.interfaces import ISection, ISectionBlueprint |
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9 | from collective.transmogrifier.utils import defaultMatcher |
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10 | |
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11 | from quintagroup.transmogrifier.logger import VALIDATIONKEY |
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12 | |
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13 | class InterfacesExporterSection(object): |
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14 | classProvides(ISectionBlueprint) |
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15 | implements(ISection) |
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16 | |
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17 | def __init__(self, transmogrifier, name, options, previous): |
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18 | self.previous = previous |
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19 | self.context = transmogrifier.context |
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20 | |
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21 | self.pathkey = defaultMatcher(options, 'path-key', name, 'path') |
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22 | self.fileskey = options.get('files-key', '_files').strip() |
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23 | |
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24 | self.excludekey = defaultMatcher(options, 'exclude-key', name, 'excluded_interfaces') |
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25 | self.exclude = filter(None, [i.strip() for i in |
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26 | options.get('exclude', '').splitlines()]) |
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27 | |
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28 | self.includekey = defaultMatcher(options, 'include-key', name, 'included_interfaces') |
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29 | self.include = filter(None, [i.strip() for i in |
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30 | options.get('include', '').splitlines()]) |
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31 | |
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32 | self.doc = minidom.Document() |
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33 | |
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34 | def __iter__(self): |
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35 | for item in self.previous: |
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36 | pathkey = self.pathkey(*item.keys())[0] |
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37 | |
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38 | if not pathkey: |
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39 | yield item; continue |
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40 | |
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41 | path = item[pathkey] |
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42 | obj = self.context.unrestrictedTraverse(path, None) |
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43 | if obj is None: # path doesn't exist |
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44 | yield item; continue |
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45 | |
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46 | ifaces = self.getInterfaces(obj) |
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47 | |
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48 | if ifaces: |
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49 | files = item.setdefault('_files', {}) |
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50 | item[self.fileskey]['interfaces'] = { |
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51 | 'name': '.interfaces.xml', |
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52 | 'data': ifaces, |
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53 | } |
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54 | |
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55 | yield item |
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56 | |
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57 | def getInterfaces(self, obj): |
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58 | if not obj: |
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59 | return None |
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60 | |
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61 | doc = self.doc |
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62 | root = doc.createElement('interfaces') |
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63 | |
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64 | ifaces = [i.__identifier__ for i in providedBy(obj)] |
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65 | if self.include: |
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66 | ifaces = filter(lambda i: i in self.include, ifaces) |
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67 | elif self.exclude: |
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68 | ifaces = filter(lambda i: not i in self.include, ifaces) |
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69 | |
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70 | if ifaces == []: |
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71 | return None |
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72 | |
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73 | for iface in ifaces: |
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74 | # create record |
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75 | record = doc.createElement('record') |
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76 | |
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77 | # set type attribute |
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78 | #attr = doc.createAttribute('type') |
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79 | #attr.value = obj_type |
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80 | #record.setAttributeNode(attr) |
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81 | |
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82 | # add object id |
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83 | text = doc.createTextNode(iface) |
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84 | record.appendChild(text) |
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85 | |
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86 | root.appendChild(record) |
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87 | |
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88 | doc.appendChild(root) |
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89 | |
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90 | try: |
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91 | data = doc.toprettyxml(indent=' ', encoding='utf-8') |
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92 | except UnicodeDecodeError, e: |
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93 | # all comments are strings encoded in 'utf-8' and they will properly |
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94 | # saved in xml file, but if we explicitly give 'utf-8' encoding |
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95 | # UnicodeDecodeError will be raised when they have non-ascii chars |
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96 | data = doc.toprettyxml(indent=' ') |
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97 | |
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98 | doc.unlink() |
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99 | return data |
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100 | |
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101 | |
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102 | class InterfacesImporterSection(object): |
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103 | classProvides(ISectionBlueprint) |
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104 | implements(ISection) |
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105 | |
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106 | def __init__(self, transmogrifier, name, options, previous): |
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107 | self.previous = previous |
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108 | self.context = transmogrifier.context |
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109 | |
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110 | self.pathkey = defaultMatcher(options, 'path-key', name, 'path') |
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111 | self.fileskey = defaultMatcher(options, 'files-key', name, 'files') |
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112 | |
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113 | self.excludekey = defaultMatcher(options, 'exclude-key', name, 'excluded_properties') |
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114 | self.exclude = filter(None, [i.strip() for i in |
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115 | options.get('exclude', '').splitlines()]) |
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116 | |
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117 | self.includekey = defaultMatcher(options, 'include-key', name, 'included_properties') |
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118 | self.include = filter(None, [i.strip() for i in |
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119 | options.get('include', '').splitlines()]) |
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120 | |
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121 | |
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122 | def __iter__(self): |
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123 | |
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124 | for item in self.previous: |
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125 | pathkey = self.pathkey(*item.keys())[0] |
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126 | fileskey = self.fileskey(*item.keys())[0] |
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127 | |
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128 | if not (pathkey and fileskey): |
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129 | yield item; continue |
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130 | if 'interfaces' not in item[fileskey]: |
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131 | yield item; continue |
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132 | |
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133 | path = item[pathkey] |
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134 | obj = self.context.unrestrictedTraverse(path, None) |
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135 | if obj is None: # path doesn't exist |
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136 | yield item; continue |
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137 | |
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138 | ifaces = self.extractIfaces(obj, item[fileskey]['interfaces']['data']) |
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139 | |
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140 | if ifaces == []: # no interfaces |
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141 | yield item; continue |
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142 | |
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143 | alsoProvides(obj, *ifaces) |
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144 | |
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145 | yield item |
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146 | |
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147 | |
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148 | def extractIfaces(self, obj, data): |
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149 | doc = minidom.parseString(data) |
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150 | ifaces = [] |
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151 | for record in doc.getElementsByTagName('record'): |
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152 | iface_name = str(record.firstChild.nodeValue.strip()) |
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153 | |
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154 | # filter interfaces |
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155 | if self.include and not iface_name in self.include: |
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156 | continue |
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157 | elif self.exclude and iface_name in self.exclude: |
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158 | continue |
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159 | |
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160 | iface = self.getIfaceById(iface_name) |
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161 | if iface: |
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162 | ifaces.append(iface) |
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163 | return ifaces |
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164 | |
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165 | |
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166 | def getIfaceById(self, name): |
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167 | components = name.split('.'); components.reverse() |
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168 | try: |
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169 | obj = __import__(components.pop()) |
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170 | except (ImportError, ValueError): |
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171 | return None |
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172 | while obj is not None and components: |
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173 | obj = getattr(obj, components.pop(), None) |
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174 | return obj |
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175 | |
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