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281
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1 #!/usr/bin/python
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2
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3 import sys
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4 import os
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5 import logging
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6 import datetime
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7
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8 from PyQt4.QtGui import QApplication, QWidget, QTableView, QVBoxLayout
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9 from PyQt4.QtGui import QHeaderView
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10 from PyQt4.QtCore import Qt
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11 from PyQt4.QtCore import QAbstractTableModel
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12
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13 def formatTime(t):
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14 t2 = datetime.datetime.fromtimestamp(t)
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15 return t2.strftime('%H:%M:%S')
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16
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17 class LogModel(QAbstractTableModel):
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18 def __init__(self):
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19 super().__init__()
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20 self.entries = []
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21 self.headers = ['Time', 'Level', 'Logger', 'Message']
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22 self.txts = []
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23 self.txts.append(lambda e: str(formatTime(e.created)))
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24 self.txts.append(lambda e: str(e.levelname))
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25 self.txts.append(lambda e: str(e.name))
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26 self.txts.append(lambda e: str(e.msg))
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27
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28 def rowCount(self, parent):
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29 return len(self.entries)
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30
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31 def columnCount(self, parent):
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32 return len(self.headers)
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33
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34 def data(self, index, role):
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35 if not index.isValid():
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36 return
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37 row, col = index.row(), index.column()
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38 if role == Qt.DisplayRole:
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39 le = self.entries[row]
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40 return self.txts[col](le)
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41
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42 def headerData(self, section, orientation, role):
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43 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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44 return self.headers[section]
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45
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46 def newLog(self, x):
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47 self.entries.append(x)
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48 self.modelReset.emit()
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49
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50
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51 class LogView(QWidget):
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52 """ Log view component """
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53 def __init__(self, parent=None):
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54 super().__init__(parent)
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55 l = QVBoxLayout(self)
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56 self.tv = QTableView(self)
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57 self.tv.horizontalHeader().setStretchLastSection(True)
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58 l.addWidget(self.tv)
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59 self.lm = LogModel()
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60 self.tv.setModel(self.lm)
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61
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62 class MyHandler(logging.Handler):
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63 def emit(self2, x):
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64 self.lm.newLog(x)
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65 self.tv.scrollToBottom()
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66 for i in range(3):
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67 self.tv.resizeColumnToContents(i)
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68
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69 logging.getLogger().addHandler(MyHandler())
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70
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71
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72 if __name__ == '__main__':
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73 app = QApplication(sys.argv)
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74 lv = LogView()
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75 lv.show()
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76 lv.resize(600, 200)
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77 logging.error('Error!!!')
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78 logging.warn('Warn here!')
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79 app.exec_()
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80
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