Mercurial Repositories > eric / file comparison
comparison: WebBrowser/OpenSearch/OpenSearchWriter.py
WebBrowser/OpenSearch/OpenSearchWriter.py
- branch
- QtWebEngine
- changeset 4741
- f9e1adc69076
- parent 4631
- 5c1a96925da4
- child 5389
- 9b1c800daff3
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| 4735:84e78ee0f361 | 4741:f9e1adc69076 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2016 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a writer for open search engine descriptions. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import QXmlStreamWriter, QIODevice | |
| 13 | |
| 14 | |
| 15 class OpenSearchWriter(QXmlStreamWriter): | |
| 16 """ | |
| 17 Class implementing a writer for open search engine descriptions. | |
| 18 """ | |
| 19 def __init__(self): | |
| 20 """ | |
| 21 Constructor | |
| 22 """ | |
| 23 super(OpenSearchWriter, self).__init__() | |
| 24 | |
| 25 self.setAutoFormatting(True) | |
| 26 | |
| 27 def write(self, device, engine): | |
| 28 """ | |
| 29 Public method to write the description of an engine. | |
| 30 | |
| 31 @param device reference to the device to write to (QIODevice) | |
| 32 @param engine reference to the engine (OpenSearchEngine) | |
| 33 @return flag indicating success (boolean) | |
| 34 """ | |
| 35 if engine is None: | |
| 36 return False | |
| 37 | |
| 38 if not device.isOpen(): | |
| 39 if not device.open(QIODevice.WriteOnly): | |
| 40 return False | |
| 41 | |
| 42 self.setDevice(device) | |
| 43 self.__write(engine) | |
| 44 return True | |
| 45 | |
| 46 def __write(self, engine): | |
| 47 """ | |
| 48 Private method to write the description of an engine. | |
| 49 | |
| 50 @param engine reference to the engine (OpenSearchEngine) | |
| 51 """ | |
| 52 self.writeStartDocument() | |
| 53 self.writeStartElement("OpenSearchDescription") | |
| 54 self.writeDefaultNamespace("http://a9.com/-/spec/opensearch/1.1/") | |
| 55 | |
| 56 if engine.name(): | |
| 57 self.writeTextElement("ShortName", engine.name()) | |
| 58 | |
| 59 if engine.description(): | |
| 60 self.writeTextElement("Description", engine.description()) | |
| 61 | |
| 62 if engine.searchUrlTemplate(): | |
| 63 self.writeStartElement("Url") | |
| 64 self.writeAttribute("method", engine.searchMethod()) | |
| 65 self.writeAttribute("type", "text/html") | |
| 66 self.writeAttribute("template", engine.searchUrlTemplate()) | |
| 67 | |
| 68 if len(engine.searchParameters()) > 0: | |
| 69 self.writeNamespace( | |
| 70 "http://a9.com/-/spec/opensearch/extensions/" | |
| 71 "parameters/1.0/", "p") | |
| 72 for parameter in engine.searchParameters(): | |
| 73 self.writeStartElement("p:Parameter") | |
| 74 self.writeAttribute("name", parameter[0]) | |
| 75 self.writeAttribute("value", parameter[1]) | |
| 76 | |
| 77 self.writeEndElement() | |
| 78 | |
| 79 if engine.suggestionsUrlTemplate(): | |
| 80 self.writeStartElement("Url") | |
| 81 self.writeAttribute("method", engine.suggestionsMethod()) | |
| 82 self.writeAttribute("type", "application/x-suggestions+json") | |
| 83 self.writeAttribute("template", engine.suggestionsUrlTemplate()) | |
| 84 | |
| 85 if len(engine.suggestionsParameters()) > 0: | |
| 86 self.writeNamespace( | |
| 87 "http://a9.com/-/spec/opensearch/extensions/" | |
| 88 "parameters/1.0/", "p") | |
| 89 for parameter in engine.suggestionsParameters(): | |
| 90 self.writeStartElement("p:Parameter") | |
| 91 self.writeAttribute("name", parameter[0]) | |
| 92 self.writeAttribute("value", parameter[1]) | |
| 93 | |
| 94 self.writeEndElement() | |
| 95 | |
| 96 if engine.imageUrl(): | |
| 97 self.writeTextElement("Image", engine.imageUrl()) | |
| 98 | |
| 99 self.writeEndElement() | |
| 100 self.writeEndDocument() |
