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from datetime import datetime, date, time, MAXYEAR, timedelta |
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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 qtodotxt2.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 = None |
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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.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 due(self): |
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return self._due |
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@due.setter |
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def due(self, val): |
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if isinstance(val, datetime): |
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val = dateString(val) |
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self.text = self._replace_date(self._text, val, 'due') |
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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 threshold(self): |
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return self._threshold |
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@threshold.setter |
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def threshold(self, val): |
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if isinstance(val, datetime): |
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val = dateString(val) |
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self.text = self._replace_date(self._text, val, 't') |
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@staticmethod |
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def _replace_date(text, date_text, prefix): |
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return re.sub(r'\s' + prefix + r'\:[0-9]{4}\-[0-9]{2}\-[0-9]{2}', ' {}:{}'.format(prefix, date_text), text) |
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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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""" |
269
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if not self.is_complete: |
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return |
271
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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 |
278
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self.completion_date = None |
279
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self.modified.emit(self) |
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281
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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 |
284
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""" |
285
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htmlizer = TaskHtmlizer() |
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return htmlizer.task2html(self) |
287
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288
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def _getLowestPriority(self): |
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return self._settings.value("Preferences/lowest_priority", "D") |
290
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291
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@QtCore.pyqtSlot() |
292
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def increasePriority(self): |
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lowest_priority = self._getLowestPriority() |
294
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if self.is_complete: |
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return |
296
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if not self._priority: |
297
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self._priority = lowest_priority |
298
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self._text = "({}) {}".format(self._priority, self._text) |
299
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elif self._priority != self._highest_priority: |
300
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self._priority = chr(ord(self._priority) - 1) |
301
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self._text = "({}) {}".format(self._priority, self._text[4:]) |
302
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self.modified.emit(self) |
303
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304
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@QtCore.pyqtSlot() |
305
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def decreasePriority(self): |
306
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lowest_priority = self._getLowestPriority() |
307
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if self.is_complete: |
308
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return |
309
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if self._priority >= lowest_priority: |
310
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self._priority = "" |
311
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self._text = self._text[4:] |
312
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self._text = self._text.replace("({})".format(self._priority), "", 1) |
313
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elif self._priority: |
314
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oldpriority = self._priority |
315
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self._priority = chr(ord(self._priority) + 1) |
316
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self._text = self._text.replace("({})".format(oldpriority), "({})".format(self._priority), 1) |
317
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self.modified.emit(self) |
318
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319
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def __eq__(self, other): |
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return self._text == other.text |
321
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322
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def __lt__(self, other): |
323
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prio1 = self.priority if self.priority else "z" |
324
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prio2 = other.priority if other.priority else "z" |
325
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return (self.is_complete, prio1, self._text) < (other.is_complete, prio2, other.text) |
326
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327
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328
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def dateString(dato): |
329
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""" |
330
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Return a datetime as a nicely formatted string |
331
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""" |
332
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if dato.time() == time.min: |
333
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return dato.strftime('%Y-%m-%d') |
334
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else: |
335
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return dato.strftime('%Y-%m-%d %H:%M') |
336
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337
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338
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def _incrWorkDays(startDate, daysToIncrement): |
339
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while daysToIncrement > 0: |
340
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if startDate.weekday() == 4: # Friday |
341
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startDate = startDate + timedelta(days=3) |
342
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elif startDate.weekday() == 5: # Saturday |
343
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startDate = startDate + timedelta(days=2) |
344
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else: |
345
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startDate = startDate + timedelta(days=1) |
346
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daysToIncrement -= 1 |
347
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return startDate |
348
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349
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350
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def recurTask(task): |
351
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""" |
352
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Create the next task from a recurring task |
353
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""" |
354
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if task.recursion.interval == 'd': |
355
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if task.recursion.mode == RecursiveMode.originalDueDate: |
356
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next_due_date = task.due + timedelta(days=int(task.recursion.increment)) |
357
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else: |
358
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next_due_date = date.today() + timedelta(days=int(task.recursion.increment)) |
359
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elif task.recursion.interval == 'b': |
360
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if task.recursion.mode == RecursiveMode.originalDueDate: |
361
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next_due_date = _incrWorkDays(task.due, int(task.recursion.increment)) |
362
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else: |
363
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next_due_date = _incrWorkDays(date.today(), int(task.recursion.increment)) |
364
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|
|
elif task.recursion.interval == 'w': |
365
|
|
|
if task.recursion.mode == RecursiveMode.originalDueDate: |
366
|
|
|
next_due_date = task.due + timedelta(weeks=int(task.recursion.increment)) |
367
|
|
|
else: |
368
|
|
|
next_due_date = date.today() + timedelta(weeks=int(task.recursion.increment)) |
369
|
|
|
elif task.recursion.interval == 'm': |
370
|
|
|
if task.recursion.mode == RecursiveMode.originalDueDate: |
371
|
|
|
next_due_date = task.due + timedelta(weeks=int(task.recursion.increment) * 4) # 4 weeks in a month |
372
|
|
|
else: |
373
|
|
|
next_due_date = date.today() + timedelta(weeks=int(task.recursion.increment) * 4) # 4 weeks in a month |
374
|
|
|
elif task.recursion.interval == 'y': |
375
|
|
|
if task.recursion.mode == RecursiveMode.originalDueDate: |
376
|
|
|
next_due_date = task.due + timedelta(weeks=int(task.recursion.increment) * 52) # 52 weeks in a year |
377
|
|
|
else: |
378
|
|
|
next_due_date = date.today() + timedelta(weeks=int(task.recursion.increment) * 52) # 52 weeks in a year |
379
|
|
|
else: |
380
|
|
|
# Test already made during line parsing - shouldn't be a problem here |
381
|
|
|
pass |
382
|
|
|
# Set new due date in old task text |
383
|
|
|
text = re.sub(r'\sdue\:[0-9]{4}\-[0-9]{2}\-[0-9]{2}', ' due:' + dateString(next_due_date)[0:10], task.text) |
384
|
|
|
return Task(text) |
385
|
|
|
|
386
|
|
|
|
387
|
|
|
def _parseDate(string): |
388
|
|
|
try: |
389
|
|
|
return datetime.strptime(string, '%Y-%m-%d').date() |
390
|
|
|
except ValueError: |
391
|
|
|
return None |
392
|
|
|
|
393
|
|
|
|
394
|
|
|
def _parseDateTime(string): |
395
|
|
|
try: |
396
|
|
|
return datetime.strptime(string, '%Y-%m-%d') |
397
|
|
|
except ValueError: |
398
|
|
|
try: |
399
|
|
|
return datetime.strptime(string, '%Y-%m-%dT%H:%M') |
400
|
|
|
except ValueError: |
401
|
|
|
return None |
402
|
|
|
|
403
|
|
|
|
404
|
|
|
|