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from datetime import datetime, date, time, MAXYEAR |
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import re |
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from enum import Enum |
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from PyQt5 import QtCore |
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from qtodotxt.lib.task_htmlizer import TaskHtmlizer |
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class RecursiveMode(Enum): |
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completitionDate = 0 # Original due date mode: Task recurs from original due date |
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originalDueDate = 1 # Completion date mode: Task recurs from completion date |
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class Recursion: |
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mode = None |
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increment = None |
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interval = None |
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def __init__(self, arg_mode, arg_increment, arg_interval): |
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self.mode = arg_mode |
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self.increment = arg_increment |
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self.interval = arg_interval |
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class TaskSorter(object): |
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@staticmethod |
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def projects(tasks): |
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def tmp(task): |
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prj = task.projects if task.projects else ["zz"] |
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return prj, task |
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return sorted(tasks, key=tmp) |
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@staticmethod |
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def contexts(tasks): |
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def tmp(task): |
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ctx = task.contexts if task.contexts else ["zz"] |
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return ctx, task |
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return sorted(tasks, key=tmp) |
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@staticmethod |
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def due(tasks): |
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def tmp(task): |
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if task.due: |
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return task.due, task |
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else: |
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return datetime(MAXYEAR, 1, 1), task |
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return sorted(tasks, key=tmp, reverse=False) |
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@staticmethod |
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def default(tasks): |
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return sorted(tasks, reverse=False) |
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class Task(QtCore.QObject): |
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""" |
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Represent a task as defined in todo.txt format |
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Take a line in todo.txt format as argument |
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Arguments are read-only, reparse string to modify them or |
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use one the modification methods such as setCompleted() |
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""" |
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modified = QtCore.pyqtSignal(object) |
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def __init__(self, text): |
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QtCore.QObject.__init__(self) |
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self._settings = QtCore.QSettings() |
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self._highest_priority = 'A' |
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# all other class attributes are defined in _reset method |
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# which is called in _parse |
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self._parse(text) |
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def addCreationCate(self): |
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self._removeCreationDate() |
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self._addCreationDate() |
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def __str__(self): |
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return self._text |
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def __repr__(self): |
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return "Task({})".format(self._text) |
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def _removeCreationDate(self): |
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match = re.match(r'^(\([A-Z]\)\s)?[0-9]{4}\-[0-9]{2}\-[0-9]{2}\s(.*)', self._text) |
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if match: |
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if match.group(1): |
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self._text = match.group(1) + match.group(2) |
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else: |
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self._text = match.group(2) |
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def addCreationDate(self): |
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date_string = date.today().strftime('%Y-%m-%d') |
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if re.match(r'^\([A-Z]\)', self._text): |
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self._text = '%s %s %s' % (self._text[:3], date_string, self._text[4:]) |
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else: |
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self._text = '%s %s' % (date_string, self._text) |
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def _reset(self): |
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self.contexts = [] |
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self.projects = [] |
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self._priority = "" |
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self.is_complete = False |
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self.completion_date = None |
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self.creation_date = None |
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self.is_future = False |
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self.threshold_error = "" |
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self._text = '' |
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self.description = '' |
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self.due = None |
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self.due_error = "" |
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self.threshold = None |
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self.keywords = {} |
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self.recursion = None |
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def _parse(self, line): |
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""" |
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parse a task formated as string in todo.txt format |
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""" |
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self._reset() |
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words = line.split(' ') |
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if words[0] == "x": |
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self.is_complete = True |
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words = words[1:] |
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# parse next word as a completion date |
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# required by todotxt but often not here |
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self.completion_date = _parseDate(words[0]) |
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if self.completion_date: |
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words = words[1:] |
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elif re.search(r'^\([A-Z]\)$', words[0]): |
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self._priority = words[0][1:-1] |
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words = words[1:] |
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dato = _parseDate(words[0]) |
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if dato: |
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self.creation_date = dato |
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words = words[1:] |
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self.description = " ".join(words) |
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for word in words: |
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self._parseWord(word) |
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self._text = line |
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@QtCore.pyqtProperty('QString', notify=modified) |
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def text(self): |
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return self._text |
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@text.setter |
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def text(self, txt): |
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self._parse(txt) |
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self.modified.emit(self) |
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@QtCore.pyqtProperty('QString', notify=modified) |
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def html(self): |
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return self.toHtml() |
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@QtCore.pyqtProperty('QString', notify=modified) |
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def priority(self): |
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return self._priority |
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@QtCore.pyqtProperty('QString', notify=modified) |
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def priorityHtml(self): |
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htmlizer = TaskHtmlizer() |
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return htmlizer._htmlizePriority(self.priority) |
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def _parseWord(self, word): |
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if len(word) > 1: |
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if word.startswith('@'): |
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self.contexts.append(word[1:]) |
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elif word.startswith('+'): |
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self.projects.append(word[1:]) |
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elif ":" in word: |
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self._parseKeyword(word) |
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def _parseKeyword(self, word): |
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key, val = word.split(":", 1) |
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self.keywords[key] = val |
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if word.startswith('due:'): |
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self.due = _parseDateTime(word[4:]) |
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if not self.due: |
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print("Error parsing due date '{}'".format(word)) |
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self.due_error = word[4:] |
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elif word.startswith('t:'): |
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self._parseFuture(word) |
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elif word.startswith('rec:'): |
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self._parseRecurrence(word) |
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def _parseFuture(self, word): |
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self.threshold = _parseDateTime(word[2:]) |
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if not self.threshold: |
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print("Error parsing threshold '{}'".format(word)) |
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self.threshold_error = word[2:] |
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else: |
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if self.threshold > datetime.today(): |
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self.is_future = True |
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def _parseRecurrence(self, word): |
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# Original due date mode |
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if word[4] == '+': |
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# Test if chracters have the right format |
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if re.match('^[1-9][bdwmy]', word[5:7]): |
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self.recursion = Recursion(RecursiveMode.originalDueDate, word[5], word[6]) |
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else: |
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print("Error parsing recurrence '{}'".format(word)) |
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# Completion mode |
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else: |
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# Test if chracters have the right format |
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if re.match('^[1-9][bdwmy]', word[4:6]): |
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self.recursion = Recursion(RecursiveMode.completitionDate, word[4], word[5]) |
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else: |
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print("Error parsing recurrence '{}'".format(word)) |
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@property |
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def dueString(self): |
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return dateString(self.due) |
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@property |
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def thresholdString(self): |
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return dateString(self.threshold) |
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@QtCore.pyqtSlot() |
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def toggleCompletion(self): |
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if self.is_complete: |
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self.setPending() |
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else: |
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self.setCompleted() |
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def setCompleted(self): |
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""" |
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Set a task as completed by inserting a x and current date at the begynning of line |
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""" |
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if self.is_complete: |
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return |
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self.completion_date = date.today() |
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date_string = self.completion_date.strftime('%Y-%m-%d') |
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self._text = 'x %s %s' % (date_string, self._text) |
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self.is_complete = True |
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self.modified.emit(self) |
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def setPending(self): |
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""" |
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Unset completed flag from task |
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""" |
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if not self.is_complete: |
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return |
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words = self._text.split(" ") |
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d = _parseDate(words[1]) |
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if d: |
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self._text = " ".join(words[2:]) |
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else: |
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self._text = " ".join(words[1:]) |
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self.is_complete = False |
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self.completion_date = None |
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self.modified.emit(self) |
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def toHtml(self): |
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""" |
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return a task as an html block which is a pretty display of a line in todo.txt format |
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""" |
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htmlizer = TaskHtmlizer() |
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return htmlizer.task2html(self) |
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def _getLowestPriority(self): |
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return self._settings.value("Preferences/lowest_priority", "D") |
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266
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@QtCore.pyqtSlot() |
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def increasePriority(self): |
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lowest_priority = self._getLowestPriority() |
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if self.is_complete: |
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return |
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if not self._priority: |
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self._priority = lowest_priority |
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self._text = "({}) {}".format(self._priority, self._text) |
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elif self._priority != self._highest_priority: |
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self._priority = chr(ord(self._priority) - 1) |
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self._text = "({}) {}".format(self._priority, self._text[4:]) |
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self.modified.emit(self) |
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279
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@QtCore.pyqtSlot() |
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def decreasePriority(self): |
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lowest_priority = self._getLowestPriority() |
282
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if self.is_complete: |
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return |
284
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if self._priority >= lowest_priority: |
285
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self._priority = "" |
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self._text = self._text[4:] |
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self._text = self._text.replace("({})".format(self._priority), "", 1) |
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elif self._priority: |
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oldpriority = self._priority |
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self._priority = chr(ord(self._priority) + 1) |
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self._text = self._text.replace("({})".format(oldpriority), "({})".format(self._priority), 1) |
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self.modified.emit(self) |
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294
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def __eq__(self, other): |
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return self._text == other.text |
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297
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def __lt__(self, other): |
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prio1 = self.priority if self.priority else "z" |
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prio2 = other.priority if other.priority else "z" |
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return (self.is_complete, prio1, self.text) < (other.is_complete, prio2, other.text) |
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302
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303
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def dateString(date): |
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""" |
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Return a datetime as a nicely formatted string |
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""" |
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if date.time() == time.min: |
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return date.strftime('%Y-%m-%d') |
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else: |
310
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return date.strftime('%Y-%m-%d %H:%M') |
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312
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313
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def filterTasks(filters, tasks): |
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if not filters: |
315
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return tasks[:] |
316
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317
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filteredTasks = [] |
318
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for task in tasks: |
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for myfilter in filters: |
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if myfilter.isMatch(task): |
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filteredTasks.append(task) |
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break |
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return filteredTasks |
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325
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326
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def updateDateInTask(text, newDate): |
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# (A) 2016-12-08 Feed Schrodinger's Cat rec:9w due:2016-11-23 |
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text = re.sub(r'\sdue\:[0-9]{4}\-[0-9]{2}\-[0-9]{2}', ' due:' + str(newDate)[0:10], text) |
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return text |
330
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331
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332
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def _parseDate(string): |
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try: |
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return datetime.strptime(string, '%Y-%m-%d').date() |
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except ValueError: |
336
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return None |
337
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338
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339
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def _parseDateTime(string): |
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try: |
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return datetime.strptime(string, '%Y-%m-%d') |
342
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except ValueError: |
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try: |
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return datetime.strptime(string, '%Y-%m-%dT%H:%M') |
345
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except ValueError: |
346
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return None |
347
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348
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349
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