Mercurial Repositories > eric / file comparison
comparison: src/eric7/WebBrowser/OpenSearch/OpenSearchReader.py
src/eric7/WebBrowser/OpenSearch/OpenSearchReader.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a reader for open search engine descriptions. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import QXmlStreamReader, QIODevice, QCoreApplication | |
| 11 | |
| 12 | |
| 13 class OpenSearchReader(QXmlStreamReader): | |
| 14 """ | |
| 15 Class implementing a reader for open search engine descriptions. | |
| 16 """ | |
| 17 def read(self, device): | |
| 18 """ | |
| 19 Public method to read the description. | |
| 20 | |
| 21 @param device device to read the description from (QIODevice) | |
| 22 @return search engine object (OpenSearchEngine) | |
| 23 """ | |
| 24 self.clear() | |
| 25 | |
| 26 if not device.isOpen(): | |
| 27 device.open(QIODevice.OpenModeFlag.ReadOnly) | |
| 28 | |
| 29 self.setDevice(device) | |
| 30 return self.__read() | |
| 31 | |
| 32 def __read(self): | |
| 33 """ | |
| 34 Private method to read and parse the description. | |
| 35 | |
| 36 @return search engine object (OpenSearchEngine) | |
| 37 """ | |
| 38 from .OpenSearchEngine import OpenSearchEngine | |
| 39 engine = OpenSearchEngine() | |
| 40 | |
| 41 while not self.isStartElement() and not self.atEnd(): | |
| 42 self.readNext() | |
| 43 | |
| 44 if ( | |
| 45 self.name() != "OpenSearchDescription" or | |
| 46 self.namespaceUri() != "http://a9.com/-/spec/opensearch/1.1/" | |
| 47 ): | |
| 48 self.raiseError(QCoreApplication.translate( | |
| 49 "OpenSearchReader", | |
| 50 "The file is not an OpenSearch 1.1 file.")) | |
| 51 return engine | |
| 52 | |
| 53 while not self.atEnd(): | |
| 54 self.readNext() | |
| 55 | |
| 56 if not self.isStartElement(): | |
| 57 continue | |
| 58 | |
| 59 if self.name() == "ShortName": | |
| 60 engine.setName(self.readElementText()) | |
| 61 | |
| 62 elif self.name() == "Description": | |
| 63 engine.setDescription(self.readElementText()) | |
| 64 | |
| 65 elif self.name() == "Url": | |
| 66 type_ = self.attributes().value("type") | |
| 67 url = self.attributes().value("template") | |
| 68 method = self.attributes().value("method") | |
| 69 | |
| 70 if ( | |
| 71 type_ == "application/x-suggestions+json" and | |
| 72 engine.suggestionsUrlTemplate() | |
| 73 ): | |
| 74 continue | |
| 75 | |
| 76 if ( | |
| 77 (not type_ or | |
| 78 type_ in ("text/html", "application/xhtml+xml")) and | |
| 79 engine.searchUrlTemplate() | |
| 80 ): | |
| 81 continue | |
| 82 | |
| 83 if not url: | |
| 84 continue | |
| 85 | |
| 86 parameters = [] | |
| 87 | |
| 88 self.readNext() | |
| 89 | |
| 90 while not (self.isEndElement() and self.name() == "Url"): | |
| 91 if ( | |
| 92 not self.isStartElement() or | |
| 93 (self.name() != "Param" and | |
| 94 self.name() != "Parameter") | |
| 95 ): | |
| 96 self.readNext() | |
| 97 continue | |
| 98 | |
| 99 key = self.attributes().value("name") | |
| 100 value = self.attributes().value("value") | |
| 101 | |
| 102 if key and value: | |
| 103 parameters.append((key, value)) | |
| 104 | |
| 105 while not self.isEndElement(): | |
| 106 self.readNext() | |
| 107 | |
| 108 if type_ == "application/x-suggestions+json": | |
| 109 engine.setSuggestionsUrlTemplate(url) | |
| 110 engine.setSuggestionsParameters(parameters) | |
| 111 engine.setSuggestionsMethod(method) | |
| 112 elif ( | |
| 113 not type_ or | |
| 114 type_ in ("text/html", "application/xhtml+xml") | |
| 115 ): | |
| 116 engine.setSearchUrlTemplate(url) | |
| 117 engine.setSearchParameters(parameters) | |
| 118 engine.setSearchMethod(method) | |
| 119 | |
| 120 elif self.name() == "Image": | |
| 121 engine.setImageUrl(self.readElementText()) | |
| 122 | |
| 123 if ( | |
| 124 engine.name() and | |
| 125 engine.description() and | |
| 126 engine.suggestionsUrlTemplate() and | |
| 127 engine.searchUrlTemplate() and | |
| 128 engine.imageUrl() | |
| 129 ): | |
| 130 break | |
| 131 | |
| 132 return engine |
