E5XML/XMLErrorHandler.py

Fri, 10 Sep 2010 08:54:33 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Fri, 10 Sep 2010 08:54:33 +0200
changeset 580
45c38566b001
parent 564
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permissions
-rw-r--r--

Implemented the plug-in repository reader.

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1 # -*- coding: utf-8 -*-
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2
13
1af94a91f439 Changed copyright for 2010.
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3 # Copyright (c) 2004 - 2010 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 an error handler class.
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8 """
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9
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10 from xml.sax.handler import ErrorHandler
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11
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1d8dd9706f46 First commit after changing to Python 3.1.
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12 from .XMLMessageDialog import XMLMessageDialog
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13
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14 class XMLParseError(Exception):
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15 """
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16 Class implementing an exception for recoverable parse errors.
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17 """
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18 pass
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19
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20 class XMLFatalParseError(XMLParseError):
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21 """
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22 Class implementing an exception for recoverable parse errors.
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23 """
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24 pass
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25
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26 class XMLErrorHandler(ErrorHandler):
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27 """
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28 Class implementing an error handler class.
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29 """
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30 def __init__(self):
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31 """
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32 Constructor
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33 """
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34 self.errors = 0
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35 self.fatals = 0
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36 self.warnings = 0
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37 self.totals = 0
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38
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39 # list of tuples of (message type, system id, line number,
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40 # column number, message)
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41 self.msgs = []
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42
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43 def error(self, exception):
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44 """
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45 Public method to handle a recoverable error.
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46
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47 @param exception Exception object describing the error (SAXParseException)
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48 """
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49 self.errors += 1
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50 self.totals += 1
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51 self.msgs.append((
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52 "E",
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53 exception.getSystemId(),
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54 exception.getLineNumber(),
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55 exception.getColumnNumber(),
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56 exception.getMessage()
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57 ))
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58
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59 def fatalError(self, exception):
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60 """
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61 Public method to handle a non-recoverable error.
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62
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63 @param exception Exception object describing the error (SAXParseException)
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64 @exception XMLFatalParseError a fatal parse error has occured
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65 """
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66 self.fatals += 1
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67 self.totals += 1
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68 self.msgs.append((
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69 "F",
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70 exception.getSystemId(),
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71 exception.getLineNumber(),
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72 exception.getColumnNumber(),
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73 exception.getMessage()
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74 ))
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75 raise XMLFatalParseError
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76
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77 def warning(self, exception):
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78 """
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79 Public method to handle a warning.
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80
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81 @param exception Exception object describing the error (SAXParseException)
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82 """
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83 self.warnings += 1
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84 self.totals += 1
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85 self.msgs.append((
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86 "W",
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87 exception.getSystemId(),
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88 exception.getLineNumber(),
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89 exception.getColumnNumber(),
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90 exception.getMessage()
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91 ))
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92
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93 def getParseMessages(self):
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94 """
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95 Public method to retrieve all messages.
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96
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97 @return list of tuples of (message type, system id, line no, column no,
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98 message)
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99 """
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100 return self.msgs
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101
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102 def showParseMessages(self):
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103 """
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104 Public method to show the parse messages (if any) in a dialog.
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105 """
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106 if self.totals:
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107 dlg = XMLMessageDialog(self.msgs, None)
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108 dlg.exec_()

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