115 lines
3.8 KiB
Python
115 lines
3.8 KiB
Python
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import sys
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from pathlib import Path
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from .codeeditor import _make_textformats
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from ..Qt import QtWidgets, QtCore, QtGui
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from nmreval.configs import config_paths
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STYLES = {'INFO': _make_textformats('black'),
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'WARNING': _make_textformats('blue'),
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'ERROR': _make_textformats('red', 'bold'),
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'DEBUG': _make_textformats('black', 'italic'),
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'file': _make_textformats('red', 'italic'),
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'PyError': _make_textformats('red', 'bold-italic')}
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class LogHighlighter(QtGui.QSyntaxHighlighter):
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msg = ['INFO', 'DEBUG', 'ERROR', 'WARNING']
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def __init__(self, parent):
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super(LogHighlighter, self).__init__(parent)
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rules = list()
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rules += [(r'\b\d{2}/\d{2}/\d{4} \d{2}:\d{2}:\d{2} - %s - .*' % m, 0, STYLES[m]) for m in LogHighlighter.msg]
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rules += [(r'\b[A-Z]\w*Error: .*\b', 0, STYLES['PyError'])]
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rules += [(r'\bFile .*', 0, STYLES['file'])]
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self.rules = [(QtCore.QRegExp(pat), index, fmt) for (pat, index, fmt) in rules]
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def highlightBlock(self, text):
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"""Apply syntax highlighting to the given block of text.
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"""
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# Do other syntax formatting
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for expression, nth, format in self.rules:
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index = expression.indexIn(text, 0)
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while index >= 0:
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# We actually want the index of the nth match
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index = expression.pos(nth)
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try:
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length = expression.cap(nth).length()
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except AttributeError:
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length = len(expression.cap(nth))
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self.setFormat(index, length, format)
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index = expression.indexIn(text, index + length)
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self.setCurrentBlockState(0)
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def match_multiline(self, text, delimiter, in_state, style):
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if self.previousBlockState() == in_state:
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start = 0
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add = 0
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else:
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start = delimiter.indexIn(text)
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add = delimiter.matchedLength()
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while start >= 0:
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end = delimiter.indexIn(text, start + add)
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if end >= add:
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length = end - start + add + delimiter.matchedLength()
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self.setCurrentBlockState(0)
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else:
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self.setCurrentBlockState(in_state)
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try:
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length = text.length() - start + add
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except AttributeError:
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length = len(text) - start + add
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# Apply formatting
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self.setFormat(start, length, style)
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# Look for the next match
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start = delimiter.indexIn(text, start + length)
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# Return True if still inside a multi-line string, False otherwise
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if self.currentBlockState() == in_state:
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return True
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else:
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return False
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class QLog(QtWidgets.QDialog):
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def __init__(self, parent=None):
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super(QLog, self).__init__(parent=parent)
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self._initUi()
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self.logfile = config_paths() / 'errors.log'
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self.read_log()
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def _initUi(self):
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self.resize(960, 640)
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layout = QtWidgets.QVBoxLayout()
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self.plainTextEdit = QtWidgets.QPlainTextEdit()
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self.plainTextEdit.highlight = LogHighlighter(self.plainTextEdit.document())
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self.plainTextEdit.setReadOnly(True)
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self.plainTextEdit.setMaximumBlockCount(50)
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layout.addWidget(self.plainTextEdit)
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self.buttonBox = QtWidgets.QDialogButtonBox()
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self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Close)
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self.buttonBox.accepted.connect(self.accept)
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self.buttonBox.rejected.connect(self.reject)
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layout.addWidget(self.buttonBox)
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self.setLayout(layout)
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def read_log(self):
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with Path(self.logfile).open('r') as f:
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text = f.readlines()
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for lines in text[-100:]:
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self.plainTextEdit.appendPlainText(lines[:-1])
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