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annotate Generic/durusdatabase.py @ 7:0359329a1c26

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Navigation buttons. Version of the data structure.
author Miguel Ángel Bárcena Rodríguez <miguelangel@obraencurso.es>
date Thu, 11 Nov 2010 23:22:35 +0100
parents 6502bfdaa84d
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3 ## File durus.py
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4 ## This file is part of pyArq-Presupuestos.
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5 ##
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6 ## Copyright (C) 2010 Miguel Ángel Bárcena Rodríguez
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7 ## <miguelangel@obraencurso.es>
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8 ##
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9 ## pyArq-Presupuestos is free software: you can redistribute it and/or modify
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10 ## it under the terms of the GNU General Public License as published by
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11 ## the Free Software Foundation, either version 3 of the License, or
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12 ## (at your option) any later version.
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13 ##
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14 ## pyArq-Presupuestos is distributed in the hope that it will be useful,
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15 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 ## GNU General Public License for more details.
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18 ##
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19 ## You should have received a copy of the GNU General Public License
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20 ## along with this program. If not, see <http://www.gnu.org/licenses/>.
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21
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22 # Modules
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23 import os.path
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24 import time
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25 # Durus Modules
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26 from durus.file_storage import FileStorage
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27 from durus.connection import Connection
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28 # pyArq Presupuestos Modules
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29 from Generic import utils
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30 from Generic import globalVars
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31 class DurusFile(object):
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32 def __init__(self, file, new):
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33 self.__file = file
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34 if new:
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35 if os.path.exists(self.__file):
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36 os.remove(self.__file)
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37 self.__connection = Connection(FileStorage(self.__file))
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38 self.__root = self.__connection.get_root()
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39
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40 def close(self):
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41 self.__connection.get_storage().close()
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42
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43 def getBudget(self):
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44 if self.__root.has_key("baseversion") and \
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45 globalVars.baseversion == self.__root["baseversion"]:
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46 return self.__root["budget"]
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47 else:
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48 print _("Incorrent Base version")
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49 return None
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50
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51 def setBudget(self, budget):
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52 self.__root["budget"] = budget
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53 self.__root["baseversion"] = globalVars.baseversion
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54 self.__connection.commit()
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55
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56 class Read(object):
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57 def __init__(self, filename=None, budget=None):
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58 self.__budget = budget
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59 self.__filename = filename
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60 self.__cancel = False
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61
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62 def cancel(self):
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63 """def cancel(self)
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64
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65 It do nothing
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66 """
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67 # TODO: Cancel reading Durus database.
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68 self.__cancel = True
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69
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70 def readFile(self, budget=None, filename=None, interface=None):
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71 if not filename is None:
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72 self.__filename = filename
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73 if self.__filename is None or self.__cancel == True:
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74 return None
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75 if not os.path.exists(self.__filename):
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76 return None
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77 print utils.mapping(_("Loading file: $1:"), (self.__filename,))
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78 _time = time.time()
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79 _durus_file = DurusFile(self.__filename, False)
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80 self.__budget = _durus_file.getBudget()
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81 _durus_file.close()
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82 print utils.mapping(_("Loadig time: $1 seconds"),
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83 (("%.2f" %(time.time()-_time)),))
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84 return self.__budget