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annotate trunk/src/translator/langfile.py @ 480:f25985f6b222

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Translator: catalogues can be saved to disk now.
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Mon, 12 Nov 2007 20:40:41 +0100
parents 3b5421d40f9b
children 312da78ab301
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1 # -*- coding: utf-8 -*-
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2 # Author: Aziz Köksal
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3 # License: GPL2
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4 import yaml
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5 from errors import LoadingError
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6
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7 # Avoid that all unicode strings are tagged with "!!python/unicode".
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8 def unicode_representer(dumper, data):
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9 return dumper.represent_scalar(u'tag:yaml.org,2002:str', data)
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10 yaml.add_representer(unicode, unicode_representer)
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11
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12 def newLangFile(langCode, authors, license):
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13 return {
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14 "LangCode":langCode,
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15 "Authors":authors,
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16 "License":license,
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17 "Messages":[]
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18 }
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19
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20 class LangFile:
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21 def __init__(self, filePath):
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22 from os import path
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23 self.filePath = path.abspath(filePath)
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24 self.isSource = False
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25 self.source = None
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26 # Load language file and check data integrity.
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27 try:
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28 self.doc = yaml.load(open(filePath, "r"))
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29 except yaml.YAMLError, e:
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30 raise LoadingError(str(e))
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31 self.verify()
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32
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33 def verify(self):
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34 doc = self.doc
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35 self.checkType(doc, dict)
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36 try:
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37 self.langCode = str(doc["LangCode"])
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38 self.authors = list(doc["Authors"])
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39 self.license = unicode(doc["License"])
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40 self.messages = list(doc["Messages"])
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41 except KeyError, e:
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42 raise LoadingError("Missing member '%s' in '%s'" % (e.message, filePath))
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43
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44 authors = []
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45 for author in self.authors:
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46 author = list(author)
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47 author_len = len(author)
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48 if author_len == 0:
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49 pass
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50 elif author_len == 1:
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51 authors += [unicode(author[0]), ""]
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52 else:
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53 authors += [unicode(author[0]), unicode(author[1])]
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54 self.authors = authors
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55
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56 self.msgDict = {} # {ID : msg, ...}
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57 for msg in self.messages:
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58 self.checkType(msg, dict, "LangFile: messages must be of type dict.")
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59 try:
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60 msg["ID"] = int(msg["ID"])
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61 msg["Text"] = unicode(msg["Text"])
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62 msg["Annot"] = unicode(msg["Annot"])
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63 msg["LastEd"] = unicode(msg["LastEd"])
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64 except KeyError, e:
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65 raise LoadingError("LangFile: a message is missing the '%s' key." % str(e))
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66 self.msgDict[msg["ID"]] = msg
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68 def checkType(self, var, type_, msg=""):
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69 if not isinstance(var, type_):
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70 raise LoadingError(msg)
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71
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72 def setSource(self, sourceLangFile):
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73 self.source = sourceLangFile
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75 def getMsg(self, ID):
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76 for msg in self.messages:
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77 if msg["ID"] == ID:
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78 return msg
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79 return None
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80
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81 def createMissingMessages(self, IDs):
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82 for ID in IDs:
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83 if not self.msgDict.has_key(ID):
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84 msg = self.createEmptyMsg(ID)
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85 self.msgDict[ID] = msg
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86 self.messages += [msg]
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87
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88 def createEmptyMsg(self, ID):
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89 return {"ID":ID,"Text":"","Annot":"","LastEd":""}
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91 def save(self):
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92 langFile = open(self.filePath, "w")
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93 yaml.dump(self.doc, stream=langFile, allow_unicode=True)
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94 langFile.close()
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95
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96 def getFileName(self):
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97 from os import path
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98 return path.basename(self.filePath)
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99
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100 def getFilePath(self):
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101 return self.filePath