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pk-tool.py
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pk-tool.py
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import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QTableWidgetItem, QFileDialog, QCheckBox, QWidget, QHBoxLayout
from PyQt5 import QtCore
from mainwindow import Ui_MainWindow
import os
import re
import io
from collections import namedtuple
from _datetime import datetime
Student = namedtuple('Student', 'name matrikelnr email')
class PkToolMainWindow(QMainWindow, Ui_MainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.setupUi(self)
self.name_files = []
self.history_files = []
self.history_index = None
self.find_files()
self.current_group_idx = 0
self.write_lock = False
self.checked_list = []
self.open_file(0)
self.files_combobox.currentIndexChanged.connect(self.open_file)
self.action_export.triggered.connect(lambda: self.write_file(savefile=False))
self.table_widget.cellChanged.connect(lambda: self.write_file(savefile=True))
self.console.returnPressed.connect(self.execute_console)
self.action_new.triggered.connect(lambda: self.open_file(self.files_combobox.currentIndex(), new=True))
self.action_newSortName.triggered.connect(lambda: self.open_file(self.files_combobox.currentIndex(), new=True, sortName=True))
self.action_undo.triggered.connect(self.history_undo)
self.action_redo.triggered.connect(self.history_redo)
self.action_add_student.triggered.connect(self.add_row)
def find_files(self):
r = re.compile('185\.A79 Programmkonstruktion .*_(.*?)_Überblick.txt')
matches = [r.search(f) for f in os.listdir('.')]
self.name_files = [m.group(0) for m in matches if m]
shortcuts = [m.group(1) for m in matches if m]
self.files_combobox.addItems(shortcuts)
def attendance_changed(self):
self.write_file(savefile=True)
count = sum(chk.isChecked() for chk in self.checked_list)
self.table_widget.setHorizontalHeaderItem(3, QTableWidgetItem('Anwesend {}/{}'.format(count,
len(self.checked_list))))
def add_row(self, student=None):
if not student:
self.write_lock = True
idx = self.table_widget.rowCount()
self.table_widget.setRowCount(idx + 1)
if student:
name_item = QTableWidgetItem(student.name)
name_item.setFlags(name_item.flags() & ~QtCore.Qt.ItemIsEditable)
else:
name_item = QTableWidgetItem()
self.table_widget.setItem(idx, 0, name_item)
if student:
matrikelnr_item = QTableWidgetItem(student.matrikelnr)
matrikelnr_item.setFlags(matrikelnr_item.flags() & ~QtCore.Qt.ItemIsEditable)
else:
matrikelnr_item = QTableWidgetItem()
matrikelnr_item.setTextAlignment(QtCore.Qt.AlignCenter)
self.table_widget.setItem(idx, 1, matrikelnr_item)
if student:
group_item = QTableWidgetItem(self.files_combobox.currentText())
group_item.setFlags(matrikelnr_item.flags() & ~QtCore.Qt.ItemIsEditable)
else:
group_item = QTableWidgetItem()
group_item.setTextAlignment(QtCore.Qt.AlignCenter)
self.table_widget.setItem(idx, 2, group_item)
check_item = QWidget()
chk_bx = QCheckBox()
chk_bx.setCheckState(QtCore.Qt.Unchecked)
chk_bx.stateChanged.connect(self.attendance_changed)
lay_out = QHBoxLayout(check_item)
lay_out.addWidget(chk_bx)
lay_out.setAlignment(QtCore.Qt.AlignCenter)
lay_out.setContentsMargins(0,0,0,0)
check_item.setLayout(lay_out)
self.checked_list.append(chk_bx)
self.table_widget.setCellWidget(idx, 3, check_item)
adhoc_item = QTableWidgetItem()
adhoc_item.setTextAlignment(QtCore.Qt.AlignCenter)
self.table_widget.setItem(idx, 4, adhoc_item)
self.table_widget.setItem(idx, 5, QTableWidgetItem())
if not student:
self.write_lock = False
def open_file(self, index, new=False, sortName=False):
if self.history_index != None and self.history_index != len(self.history_files) - 1:
self.write_file(savefile=True)
self.current_group_idx = index
self.history_index = None
with open(self.name_files[index], 'r', encoding='utf-8') as f:
students = []
r = re.compile('\s+✔\s+(\D+)\s(\d+)\s(.*)\s?')
for line in f:
m = r.search(line)
if m:
students.append(Student(*(m.group(i) for i in range(1, 4))))
self.write_lock = True
self.table_widget.clear()
labels = 'Name;Matrikelnr.;Gruppe;Anwesend {:02}/{};Adhoc;Kommentar'.format(0, len(students)).split(';')
self.table_widget.setColumnCount(len(labels))
self.table_widget.setRowCount(0)
self.table_widget.setHorizontalHeaderLabels(labels)
self.checked_list = []
if sortName:
for student in sorted(students, key=lambda s: s.name):
self.add_row(student)
else:
for student in sorted(students, key=lambda s: s.matrikelnr):
self.add_row(student)
self.get_savefiles()
self.history_index = len(self.history_files)
if self.history_files and not new:
self.history_undo()
self.write_lock = False
else:
self.write_lock = False
self.write_file(savefile=True)
self.table_widget.resizeColumnsToContents()
def get_savefiles(self):
current_group = self.files_combobox.currentText()
if os.path.exists('Saves'):
self.history_files = sorted(f for f in os.listdir('Saves') if f.startswith(current_group))
def history_undo(self):
if self.history_index:
self.history_index -= 1
self.history_load()
def history_redo(self):
if self.history_index < len(self.history_files) - 1:
self.history_index += 1
self.history_load()
def history_load(self):
self.write_lock = True
with open('Saves/' + self.history_files[self.history_index], 'r') as f:
next(f)
for line in f:
matrikelnr, group, attendance, comment = line.strip().split(';')
adhoc, *comment = comment.split()
adhoc = adhoc.strip('%')
if adhoc == '0':
adhoc = ''
comment = ' '.join(comment)
indices = [idx for idx in range(self.table_widget.rowCount())
if self.table_widget.item(idx, 1).text() == matrikelnr]
if len(indices) == 1:
idx = indices[0]
else:
idx = self.table_widget.rowCount()
self.add_row()
self.table_widget.item(idx, 1).setText(matrikelnr)
self.table_widget.item(idx, 2).setText(group)
self.checked_list[idx].setCheckState(QtCore.Qt.Checked if attendance == 'an' else
QtCore.Qt.Unchecked)
self.table_widget.item(idx, 4).setText(adhoc)
self.table_widget.item(idx, 5).setText(comment)
self.write_lock = False
def write_file(self, savefile=True):
if self.write_lock:
return
group_name = self.files_combobox.itemText(self.current_group_idx)
if savefile:
now = datetime.now().strftime('%Y_%m_%d_%H_%M_%S')
file_name = 'Saves/{}_{}.csv'.format(group_name, now)
else:
file_name = QFileDialog.getSaveFileName(self, 'Export', group_name + '_ueX.csv', 'CSV (*.csv)')[0]
if not file_name:
return
if not os.path.exists('Saves'):
os.makedirs('Saves')
with io.open(file_name, 'w', encoding='utf-8', newline='') as f:
f.write('MatrNr;Gruppe;Kontrolle;Kommentar\n')
for idx in range(self.table_widget.rowCount()):
if self.table_widget.item(idx, 1).text():
f.write('{};{};{};{}% {}\n'.format(
self.table_widget.item(idx, 1).text(),
self.table_widget.item(idx, 2).text() or '0',
'an' if self.checked_list[idx].isChecked() else 'ab',
self.table_widget.item(idx, 4).text() or '0',
self.table_widget.item(idx, 5).text()
))
self.history_files.append(file_name[6:])
self.history_index = len(self.history_files) - 1
def find_index(self, name):
indices = [i for i in range(self.table_widget.rowCount())
if name.lower() in self.table_widget.item(i, 0).text().lower()]
return indices[0] if len(indices) == 1 else indices
def execute_console(self):
try:
commands = self.console.text().split(' ')
name, command = commands[0], ' '.join(commands[1:])
index = self.find_index(name)
if isinstance(index, int):
full_name = self.table_widget.item(index, 0).text()
if command == 'a':
self.checked_list[index].setCheckState(QtCore.Qt.Checked)
template = '{} ist anwesend'
elif command == 'b':
self.checked_list[index].setCheckState(QtCore.Qt.Unchecked)
template = '{} ist nicht anwesend'
elif command.isdigit():
self.table_widget.item(index, 4).setText(command)
template = '{} erreicht {}%'
else:
self.table_widget.item(index, 5).setText(command)
template = '{}: {}'
self.console_output.setText(template.format(full_name, command))
else:
if len(index) == 0:
error = 'Der Student "{}" wurde nicht gefunden.'
else:
error = 'Mehrere Studenten treffen auf "{}" zu.'
self.console_output.setText('Error: ' + error.format(name))
except IndexError:
pass
self.console.clear()
if __name__ == '__main__':
app = QApplication(sys.argv)
window = PkToolMainWindow()
window.show()
sys.exit(app.exec_())