/usr/lib/python3/dist-packages/raphodo/errorlog.py is in rapid-photo-downloader 0.9.9-1.
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# Copyright (C) 2017 Damon Lynch <damonlynch@gmail.com>
# This file is part of Rapid Photo Downloader.
#
# Rapid Photo Downloader is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Rapid Photo Downloader is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Rapid Photo Downloader. If not,
# see <http://www.gnu.org/licenses/>.
"""
Error log window for Rapid Photo Downloader
"""
__author__ = 'Damon Lynch'
__copyright__ = "Copyright 2017, Damon Lynch"
import logging
import shlex
import subprocess
import math
from collections import deque, namedtuple
from typing import Optional
from gettext import gettext as _
import re
from html import escape
from PyQt5.QtWidgets import (
QTextEdit, QDialog, QDialogButtonBox, QLineEdit, QVBoxLayout, QHBoxLayout, QApplication,
QPushButton, QLabel, QTextBrowser, QStyle
)
from PyQt5.QtGui import (
QPalette, QIcon, QFontMetrics, QFont, QColor, QKeyEvent, QKeySequence, QTextDocument,
QTextCursor, QPaintEvent, QPainter, QPen, QMouseEvent, QShowEvent
)
from PyQt5.QtCore import Qt, pyqtSlot, QSize, QUrl, QTimer, QRect, pyqtSignal, QEvent
import raphodo.qrc_resources as qrc_resources
from raphodo.constants import ErrorType
from raphodo.rpdfile import RPDFile
from raphodo.problemnotification import Problem, Problems
from raphodo.viewutils import translateButtons
from raphodo.storage import open_in_file_manager
# ErrorLogMessage = namedtuple('ErrorLogMessage', 'title body name uri')
class QFindLineEdit(QLineEdit):
"""
LineEdit to be used for search, as in Firefox in page search.
"""
def __init__(self, find_text='', parent=None) -> None:
super().__init__(parent=parent)
if not find_text:
self.find_text = _('Find')
else:
self.find_text = find_text
self.noTextPalette = QPalette()
self.noTextPalette.setColor(QPalette.Text, Qt.gray)
self.setEmptyState()
self.cursorPositionChanged.connect(self.onCursorPositionChanged)
self.textEdited.connect(self.onTextEdited)
def setEmptyState(self) -> None:
self.empty = True
self.setText(self.find_text)
self.setCursorPosition(0)
self.setPalette(self.noTextPalette)
@pyqtSlot(str)
def onTextEdited(self, text: str) -> None:
if not text:
self.setEmptyState()
elif self.empty:
self.empty = False
self.setPalette(QPalette())
self.setText(text[:-len(self.find_text)])
@pyqtSlot(int, int)
def onCursorPositionChanged(self, old: int, new: int) -> None:
if self.empty:
self.blockSignals(True)
self.setCursorPosition(0)
self.blockSignals(False)
def getText(self) -> str:
if self.empty:
return ''
else:
return self.text()
class ErrorReport(QDialog):
"""
Display error messages from the download in a dialog.
Search/find feature is live, like Firefox. However it's pretty slow
with a large amount of data, so don't initiate a new search each
and every time data is appended to the log window. Instead, if a search
is active, wait for one second after text has been appended before
doing the search.
"""
dialogShown = pyqtSignal()
dialogActivated = pyqtSignal()
def __init__(self, rapidApp, parent=None) -> None:
super().__init__(parent=parent)
self.uris = []
self.get_href = re.compile('<a href="?\'?([^"\'>]*)')
self.setModal(False)
self.setSizeGripEnabled(True)
self.search_pending = False
self.add_queue = deque()
self.rapidApp = rapidApp
layout = QVBoxLayout()
self.setWindowTitle(_('Error Reports - Rapid Photo Downloader'))
self.log = QTextBrowser()
self.log.setReadOnly(True)
sheet = """
h1 {
font-size: large;
font-weight: bold;
}
"""
document = self.log.document() # type: QTextDocument
document.setDefaultStyleSheet(sheet)
# document.setIndentWidth(QFontMetrics(QFont()).boundingRect('200').width())
self.highlightColor = QColor('#cb1dfa')
self.textHighlightColor = QColor(Qt.white)
self.noFindPalette = QPalette()
self.noFindPalette.setColor(QPalette.WindowText, QPalette().color(QPalette.Mid))
self.foundPalette = QPalette()
self.foundPalette.setColor(QPalette.WindowText, QPalette().color(QPalette.WindowText))
self.find_cursors = []
self.current_find_index = -1
self.log.anchorClicked.connect(self.anchorClicked)
self.log.setOpenLinks(False)
self.defaultFont = QFont()
self.defaultFont.setPointSize(QFont().pointSize() - 1)
self.log.setFont(self.defaultFont)
self.log.textChanged.connect(self.textChanged)
message = _('Find in reports')
self.find = QFindLineEdit(find_text=message)
self.find.textEdited.connect(self.onFindChanged)
style = self.find.style() # type: QStyle
frame_width = style.pixelMetric(QStyle.PM_DefaultFrameWidth)
button_margin = style.pixelMetric(QStyle.PM_ButtonMargin)
spacing = (frame_width + button_margin) * 2 + 8
self.find.setMinimumWidth(QFontMetrics(QFont()).boundingRect(message).width() + spacing)
font_height = QFontMetrics(self.font()).height()
size = QSize(font_height, font_height)
self.up = QPushButton()
self.up.setIcon(QIcon(':/icons/up.svg'))
self.up.setIconSize(size)
self.up.clicked.connect(self.upClicked)
self.up.setToolTip(_('Find the previous occurrence of the phrase'))
self.down = QPushButton()
self.down.setIcon(QIcon(':/icons/down.svg'))
self.down.setIconSize(size)
self.down.clicked.connect(self.downClicked)
self.down.setToolTip(_('Find the next occurrence of the phrase'))
self.highlightAll = QPushButton(_('&Highlight All'))
self.highlightAll.setToolTip(_('Highlight all occurrences of the phrase'))
self.matchCase = QPushButton(_('&Match Case'))
self.matchCase.setToolTip(_('Search with case sensitivity'))
self.wholeWords = QPushButton(_('&Whole Words'))
self.wholeWords.setToolTip(_('Search whole words only'))
for widget in (self.highlightAll, self.matchCase, self.wholeWords):
widget.setCheckable(True)
widget.setFlat(True)
self.highlightAll.toggled.connect(self.highlightAllToggled)
self.matchCase.toggled.connect(self.matchCaseToggled)
self.wholeWords.toggled.connect(self.wholeWordsToggled)
self.findResults = QLabel()
self.findResults.setMinimumWidth(
QFontMetrics(QFont()).boundingRect(_('%s of %s matches') % (1000, 1000)).width()
+ spacing
)
findLayout = QHBoxLayout()
findLayout.setSpacing(0)
spacing = 8
findLayout.addWidget(self.find)
findLayout.addWidget(self.up)
findLayout.addWidget(self.down)
findLayout.addSpacing(spacing)
findLayout.addWidget(self.highlightAll)
findLayout.addSpacing(spacing)
findLayout.addWidget(self.matchCase)
findLayout.addSpacing(spacing)
findLayout.addWidget(self.wholeWords)
findLayout.addSpacing(spacing)
findLayout.addWidget(self.findResults)
buttons = QDialogButtonBox(QDialogButtonBox.Close)
translateButtons(buttons)
self.clear = buttons.addButton(_('Clear'), QDialogButtonBox.ActionRole) # type: QPushButton
buttons.rejected.connect(self.reject)
self.clear.clicked.connect(self.clearClicked)
self.clear.setEnabled(False)
layout.addWidget(self.log)
layout.addLayout(findLayout)
layout.addSpacing(6)
layout.addWidget(buttons)
self.setLayout(layout)
self.onFindChanged('')
self.icon_lookup = {
ErrorType.warning: ':/report-warning.png',
ErrorType.serious_error: ':/report-error.png',
ErrorType.critical_error: ':/report-critical.png'
}
@pyqtSlot()
def textChanged(self) -> None:
self.clear.setEnabled(bool(self.log.document().characterCount()))
def _makeFind(self, back: bool=False) -> int:
flags = QTextDocument.FindFlags()
if self.matchCase.isChecked():
flags |= QTextDocument.FindCaseSensitively
if self.wholeWords.isChecked():
flags |= QTextDocument.FindWholeWords
if back:
flags |= QTextDocument.FindBackward
return flags
def _clearSearch(self) -> None:
cursor = self.log.textCursor() # type: QTextCursor
if cursor.hasSelection():
cursor.clearSelection()
self.log.setTextCursor(cursor)
self.find_cursors = []
self.log.setExtraSelections([])
@pyqtSlot()
def _doFind(self) -> None:
"""
Do the find / search.
If text needs to be appended, delay the search for one second.
"""
if self.add_queue:
while self.add_queue:
self._addProblems(problems=self.add_queue.popleft())
QTimer.singleShot(1000, self._doFind)
return
cursor = self.log.textCursor() # type: QTextCursor
text = self.find.getText()
highlight = self.highlightAll.isChecked()
if self.find.empty or not text:
self._clearSearch()
self.findResults.setText('')
return
initial_position = cursor.selectionStart() # type: int
self.log.moveCursor(QTextCursor.Start)
flags = self._makeFind()
extraSelections = deque()
count = 0
index = None
self.find_cursors = []
while self.log.find(text, flags):
cursor = self.log.textCursor() # type: QTextCursor
self.find_cursors.append(cursor)
if index is None and cursor.selectionStart() >= initial_position:
index = count
count += 1
if highlight:
extra = QTextEdit.ExtraSelection()
extra.format.setBackground(self.highlightColor)
extra.format.setForeground(self.textHighlightColor)
extra.cursor = cursor
extraSelections.append(extra)
self.log.setExtraSelections(extraSelections)
if index is None:
index = len(self.find_cursors) - 1
if not self.find_cursors:
cursor.setPosition(initial_position)
self.log.setTextCursor(cursor)
if not self.find.empty:
self.findResults.setText(_('Phrase not found'))
self.findResults.setPalette(self.noFindPalette)
else:
self.goToMatch(index=index)
self.search_pending = False
def goToMatch(self, index: int) -> None:
if self.find_cursors:
cursor = self.find_cursors[index]
self.current_find_index = index
self.log.setTextCursor(cursor)
self.findResults.setText(_('%s of %s matches') % (index + 1, len(self.find_cursors)))
self.findResults.setPalette(self.foundPalette)
@pyqtSlot(bool)
def upClicked(self, checked: bool) -> None:
if self.current_find_index >= 0:
if self.current_find_index == 0:
index = len(self.find_cursors) - 1
else:
index = self.current_find_index - 1
self.goToMatch(index=index)
@pyqtSlot(bool)
def downClicked(self, checked: bool) -> None:
if self.current_find_index >= 0:
if self.current_find_index == len(self.find_cursors) - 1:
index = 0
else:
index = self.current_find_index + 1
self.goToMatch(index=index)
@pyqtSlot(str)
def onFindChanged(self, text: str) -> None:
self.up.setEnabled(not self.find.empty)
self.down.setEnabled(not self.find.empty)
self._doFind()
@pyqtSlot(bool)
def highlightAllToggled(self, toggled: bool) -> None:
if self.find_cursors:
extraSelections = deque()
if self.highlightAll.isChecked():
for cursor in self.find_cursors:
extra = QTextEdit.ExtraSelection()
extra.format.setBackground(self.highlightColor)
extra.format.setForeground(self.textHighlightColor)
extra.cursor = cursor
extraSelections.append(extra)
self.log.setExtraSelections(extraSelections)
@pyqtSlot(bool)
def matchCaseToggled(self, toggled: bool) -> None:
self._doFind()
@pyqtSlot(bool)
def wholeWordsToggled(self, toggled: bool) -> None:
self._doFind()
@pyqtSlot(bool)
def clearClicked(self, toggled: bool) -> None:
self.log.clear()
self.clear.setEnabled(False)
self._doFind()
@pyqtSlot(QUrl)
def anchorClicked(self, url: QUrl) -> None:
if self.rapidApp.file_manager:
# see documentation for self._saveUrls()
fake_uri = url.url()
index = int(fake_uri[fake_uri.find('///') + 3:])
uri = self.uris[index]
open_in_file_manager(
file_manager=self.rapidApp.file_manager,
file_manager_type=self.rapidApp.file_manager_type,
uri=uri
)
def _saveUrls(self, text: str) -> str:
"""
Sadly QTextBrowser uses QUrl, which doesn't understand the kind of URIs
used by Gnome. It totally mangles them, in fact.
So solution is to substitute in a dummy uri and then
replace it in self.anchorClicked() when the user clicks on it
"""
anchor_start = '<a href="'
anchor_end = '</a>'
start = text.find(anchor_start)
if start < 0:
return text
new_text = text[:start]
while start >= 0:
href_end = text.find('">', start + 9)
href = text[start + 9:href_end]
end = text.find(anchor_end, href_end + 2)
next_start = text.find(anchor_start, end + 4)
if next_start >= end + 4:
extra_text = text[end + 4:next_start]
else:
extra_text = text[end + 4:]
new_text = '{}<a href="file:///{}">{}</a>{}'.format(
new_text, len(self.uris), text[href_end + 2:end], extra_text
)
self.uris.append(href)
start = next_start
return new_text
def _getBody(self, problem: Problem) -> str:
"""
Get the body (subject) of the problem, and any details
"""
line = self._saveUrls(problem.body)
if len(problem.details) == 1:
line = '{}<br><i>{}</i>'.format(line, self._saveUrls(problem.details[0]))
elif len(problem.details) > 1:
for detail in problem.details:
line = '{}<br><i>{}</i>'.format(line, self._saveUrls(detail))
return line
def _addProblems(self, problems: Problems) -> None:
"""
Add problems to the log window
"""
title = self._saveUrls(problems.title)
html = '<h1>{}</h1><p></p>'.format(title)
html = '{}<table>'.format(html)
for problem in problems:
line = self._getBody(problem=problem)
icon = self.icon_lookup[problem.severity]
icon = '<img src="{}" height=16 width=16>'.format(icon)
html = '{}<tr><td width=32 align=center>{}</td><td style="padding-bottom: 6px;">' \
'{}</td></tr>'.format(html, icon, line)
html = '{}</table>'.format(html)
html = '{}<p></p><p></p>'.format(html)
self.log.append(html)
def addProblems(self, problems: Problems) -> None:
if not self.find.empty and self.find_cursors:
self._clearSearch()
if not self.find.empty and self.search_pending:
self.add_queue.append(problems)
else:
self._addProblems(problems=problems)
if not self.find.empty and not self.search_pending:
self.search_pending = True
self.findResults.setText(_('Search pending...'))
self.findResults.setPalette(self.noFindPalette)
QTimer.singleShot(1000, self._doFind)
def keyPressEvent(self, event: QKeyEvent) -> None:
if event.matches(QKeySequence.Find):
self.find.setFocus()
else:
super().keyPressEvent(event)
@pyqtSlot()
def activate(self) -> None:
self.setVisible(True)
self.activateWindow()
self.raise_()
def showEvent(self, event: QShowEvent) -> None:
super().showEvent(event)
self.dialogShown.emit()
def changeEvent(self, event: QEvent) -> None:
if event.type() == QEvent.ActivationChange and self.isActiveWindow():
self.dialogActivated.emit()
super().changeEvent(event)
class SpeechBubble(QLabel):
"""
Display a speech bubble with a counter in it, that when clicked
emits a signal and resets.
Bubble displayed only when counter is > 0.
"""
clicked = pyqtSignal()
def __init__(self, parent=None):
super().__init__(parent)
self.rapidApp = parent
self.image = QIcon(':/speech-bubble.svg')
self._count = 0
self.fillColor = QPalette().color(QPalette.Window)
self.counterFont = QFont()
self.counterFont.setPointSize(QFont().pointSize() - 1)
self.custom_height = max(math.ceil(QFontMetrics(self.counterFont).height() * 1.7), 24)
self.counterPen = QPen(QColor(Qt.white))
self.setStyleSheet("QLabel {border: 0px;}")
self.click_tooltip = _('The number of new entries added to the Error Report since it was '
'last open. Click to open the Error Report.')
@property
def count(self) -> int:
return self._count
@count.setter
def count(self, value) -> None:
self._count = value
if value > 0:
self.setToolTip(self.click_tooltip)
self.update()
def incrementCounter(self, increment: int=1) -> None:
self._count += increment
self.setToolTip(self.click_tooltip)
self.update()
def paintEvent(self, event: QPaintEvent ):
painter = QPainter()
painter.begin(self)
height = self.height()
rect = self.rect() # type: QRect
if not self._count:
painter.fillRect(rect, self.fillColor)
else:
painter.drawPixmap(0, 0, height, height, self.image.pixmap(height, height))
painter.setFont(self.counterFont)
painter.setPen(self.counterPen)
if self._count > 9:
value = '9+'
else:
value = str(self._count)
painter.drawText(rect, Qt.AlignCenter, value)
painter.end()
def sizeHint(self) -> QSize:
return QSize(self.custom_height, self.custom_height)
def mousePressEvent(self, event: QMouseEvent) -> None:
self.clicked.emit()
self.reset()
@pyqtSlot()
def reset(self) -> None:
self.count = 0
self.setToolTip('')
if __name__ == '__main__':
# Application development test code:
app = QApplication([])
log = ErrorReport(None)
log.show()
app.exec_()
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