eric6/WebBrowser/OpenSearch/OpenSearchWriter.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
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child 8143
2c730d5fd177
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a writer for open search engine descriptions.
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8 """
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9
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10 from PyQt5.QtCore import QXmlStreamWriter, QIODevice
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11
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12
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13 class OpenSearchWriter(QXmlStreamWriter):
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14 """
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15 Class implementing a writer for open search engine descriptions.
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16 """
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17 def __init__(self):
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18 """
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19 Constructor
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20 """
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21 super(OpenSearchWriter, self).__init__()
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22
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23 self.setAutoFormatting(True)
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24
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25 def write(self, device, engine):
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26 """
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27 Public method to write the description of an engine.
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28
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29 @param device reference to the device to write to (QIODevice)
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30 @param engine reference to the engine (OpenSearchEngine)
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31 @return flag indicating success (boolean)
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32 """
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33 if engine is None:
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34 return False
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35
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36 if not device.isOpen():
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37 if not device.open(QIODevice.WriteOnly):
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38 return False
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39
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40 self.setDevice(device)
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41 self.__write(engine)
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42 return True
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43
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44 def __write(self, engine):
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45 """
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46 Private method to write the description of an engine.
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47
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48 @param engine reference to the engine (OpenSearchEngine)
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49 """
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50 self.writeStartDocument()
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51 self.writeStartElement("OpenSearchDescription")
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52 self.writeDefaultNamespace("http://a9.com/-/spec/opensearch/1.1/")
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53
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54 if engine.name():
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55 self.writeTextElement("ShortName", engine.name())
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56
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57 if engine.description():
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58 self.writeTextElement("Description", engine.description())
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59
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60 if engine.searchUrlTemplate():
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61 self.writeStartElement("Url")
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62 self.writeAttribute("method", engine.searchMethod())
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63 self.writeAttribute("type", "text/html")
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64 self.writeAttribute("template", engine.searchUrlTemplate())
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65
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66 if len(engine.searchParameters()) > 0:
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67 self.writeNamespace(
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68 "http://a9.com/-/spec/opensearch/extensions/"
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69 "parameters/1.0/", "p")
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70 for parameter in engine.searchParameters():
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71 self.writeStartElement("p:Parameter")
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72 self.writeAttribute("name", parameter[0])
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73 self.writeAttribute("value", parameter[1])
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74
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75 self.writeEndElement()
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76
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77 if engine.suggestionsUrlTemplate():
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78 self.writeStartElement("Url")
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79 self.writeAttribute("method", engine.suggestionsMethod())
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80 self.writeAttribute("type", "application/x-suggestions+json")
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81 self.writeAttribute("template", engine.suggestionsUrlTemplate())
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82
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83 if len(engine.suggestionsParameters()) > 0:
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84 self.writeNamespace(
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85 "http://a9.com/-/spec/opensearch/extensions/"
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86 "parameters/1.0/", "p")
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87 for parameter in engine.suggestionsParameters():
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88 self.writeStartElement("p:Parameter")
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89 self.writeAttribute("name", parameter[0])
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90 self.writeAttribute("value", parameter[1])
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91
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92 self.writeEndElement()
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93
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94 if engine.imageUrl():
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95 self.writeTextElement("Image", engine.imageUrl())
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96
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97 self.writeEndElement()
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98 self.writeEndDocument()

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