forked from mirrors/autodoist
334 lines
12 KiB
Python
Executable File
334 lines
12 KiB
Python
Executable File
#!/usr/bin/env python
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import copy
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import dateutil.parser
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import dateutil.tz
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import datetime
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import json
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import logging
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import time
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import urllib
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import urllib2
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API_TOKEN = 'YOUR_API_TOKEN_HERE'
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NEXT_ACTION_LABEL = u'next_action'
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class TraversalState(object):
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"""Simple class to contain the state of the item tree traversal."""
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def __init__(self, next_action_label_id):
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self.remove_labels = []
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self.add_labels = []
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self.found_next_action = False
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self.next_action_label_id = next_action_label_id
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def clone(self):
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"""Perform a simple clone of this state object.
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For parallel traversals it's necessary to produce copies so that every
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traversal to a lower node has the same found_next_action status.
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"""
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t = TraversalState(self.next_action_label_id)
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t.found_next_action = self.found_next_action
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return t
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def merge(self, other):
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"""Merge clones back together.
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After parallel traversals, merge the results back into the parent state.
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"""
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if other.found_next_action:
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self.found_next_action = True
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self.remove_labels += other.remove_labels
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self.add_labels += other.add_labels
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class Item(object):
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def __init__(self, initial_data):
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self.parent = None
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self.children = []
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self.checked = initial_data['checked'] == 1
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self.content = initial_data['content']
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self.indent = initial_data['indent']
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self.item_id = initial_data['id']
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self.labels = initial_data['labels']
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self.priority = initial_data['priority']
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if 'due_date_utc' in initial_data and initial_data['due_date_utc'] != None:
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p = dateutil.parser.parser()
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self.due_date_utc = p.parse(initial_data['due_date_utc'])
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else:
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# Arbitrary time in the future to always sort last
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self.due_date_utc = datetime.datetime(2100, 1, 1, tzinfo=dateutil.tz.tzutc())
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def GetItemMods(self, state):
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if self.IsSequential():
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self._SequentialItemMods(state)
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elif self.IsParallel():
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self._ParallelItemMods(state)
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if not state.found_next_action and not self.checked:
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state.found_next_action = True
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if not state.next_action_label_id in self.labels:
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state.add_labels.append(self)
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elif state.next_action_label_id in self.labels:
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state.remove_labels.append(self)
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def SortChildren(self):
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sortfunc = lambda item: [item.due_date_utc, (5 - item.priority)]
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self.children = sorted(self.children, key=sortfunc)
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for item in self.children:
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item.SortChildren()
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def GetLabelRemovalMods(self, state):
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if state.next_action_label_id in self.labels:
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state.remove_labels.append(self)
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for item in self.children:
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item.GetLabelRemovalMods(state)
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def _SequentialItemMods(self, state):
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"""
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Iterate over every child, walking down the tree.
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If none of our children are the next action, check if we are.
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"""
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for item in self.children:
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item.GetItemMods(state)
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def _ParallelItemMods(self, state):
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"""
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Iterate over every child, walking down the tree.
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If none of our children are the next action, check if we are.
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Clone the state each time we descend down to a child.
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"""
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frozen_state = state.clone()
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for item in self.children:
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temp_state = frozen_state.clone()
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item.GetItemMods(temp_state)
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state.merge(temp_state)
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def IsSequential(self):
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return not self.content.endswith('=')
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#if self.content.endswith('--') or self.content.endswith('='):
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# return self.content.endswith('--')
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#else:
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# return self.parent.IsSequential()
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def IsParallel(self):
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return self.content.endswith('=')
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#if self.content.endswith('--') or self.content.endswith('='):
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# return self.content.endswith('=')
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#else:
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# return self.parent.IsParallel()
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class Project(object):
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def __init__(self, initial_data):
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self.children = []
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self.indent = 0
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self.is_archived = initial_data['is_archived'] == 1
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self.is_deleted = initial_data['is_deleted'] == 1
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self.last_updated = initial_data['last_updated']
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self.name = initial_data['name']
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# Project should act like an item, so it should have content.
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self.content = initial_data['name']
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self.project_id = initial_data['id']
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self._CreateItemTree(initial_data['items'])
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self.SortChildren()
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def IsSequential(self):
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return self.name.endswith('--')
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def IsParallel(self):
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return self.name.endswith('=')
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SortChildren = Item.__dict__['SortChildren']
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def GetItemMods(self, state):
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if self.IsSequential():
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for item in self.children:
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item.GetItemMods(state)
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elif self.IsParallel():
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frozen_state = state.clone()
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for item in self.children:
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temp_state = frozen_state.clone()
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item.GetItemMods(temp_state)
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state.merge(temp_state)
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else: # Remove all next_action labels in this project.
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for item in self.children:
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item.GetLabelRemovalMods(state)
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def _CreateItemTree(self, items):
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'''Build a tree of items based on their indentation level.'''
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parent_item = self
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previous_item = self
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for item_dict in items:
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item = Item(item_dict)
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if item.indent > previous_item.indent:
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logging.debug('pushing "%s" on the parent stack beneath "%s"',
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previous_item.content, parent_item.content)
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parent_item = previous_item
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# walk up the tree until we reach our parent
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while item.indent <= parent_item.indent:
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logging.debug('walking up the tree from "%s" to "%s"',
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parent_item.content, parent_item.parent.content)
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parent_item = parent_item.parent
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logging.debug('adding item "%s" with parent "%s"', item.content,
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parent_item.content)
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parent_item.children.append(item)
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item.parent = parent_item
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previous_item = item
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class TodoistData(object):
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'''Construct an object based on a full Todoist /Get request's data'''
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def __init__(self, initial_data):
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self._SetLabelData(initial_data)
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self._projects = dict()
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for project in initial_data['Projects']:
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self._projects[project['id']] = Project(project)
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def _SetLabelData(self, label_data):
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# Store label data - we need this to set the next_action label.
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self._labels_timestamp = label_data['LabelsTimestamp']
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self._next_action_id = None
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for label in label_data['Labels']:
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if label['name'] == NEXT_ACTION_LABEL:
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self._next_action_id = label['id']
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logging.info('Found next_action label, id: %s', label['id'])
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if self._next_action_id == None:
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logging.warning('Failed to find next_action label, need to create it.')
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def GetSyncState(self):
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project_timestamps = dict()
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for project_id, project in self._projects.iteritems():
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project_timestamps[project_id] = project.last_updated
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return {'labels_timestamp': self._labels_timestamp,
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'project_timestamps': project_timestamps}
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def UpdateChangedData(self, changed_data):
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if ('LabelsTimestamp' in changed_data
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and changed_data['LabelsTimestamp'] != self._labels_timestamp):
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self._SetLabelData(changed_data)
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# delete missing projects
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if 'ActiveProjectIds' in changed_data:
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projects_to_delete = set(self._projects.keys()) - set(changed_data['ActiveProjectIds'])
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for project_id in projects_to_delete:
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logging.info("Forgetting deleted project %s", self._projects[project_id].name)
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del self._projects[project_id]
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if 'Projects' in changed_data:
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for project in changed_data['Projects']:
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logging.info("Refreshing data for project %s", project['name'])
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if project['id'] in self._projects:
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logging.info("replacing project data, old timestamp: %s new timestamp: %s",
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self._projects[project['id']].last_updated, project['last_updated'])
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self._projects[project['id']] = Project(project)
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# We have already reloaded project data sent to us.
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# Now any project timestamps that have changed are due to the changes we
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# just sent to the server. Let's update our model.
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if 'ActiveProjectTimestamps' in changed_data:
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for project_id, timestamp in changed_data['ActiveProjectTimestamps'].iteritems():
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# for some reason the project id is a string and not an int here.
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project_id = int(project_id)
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if project_id in self._projects:
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project = self._projects[project_id]
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if project.last_updated != timestamp:
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logging.info("Updating timestamp for project %s to %s",
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project.name, timestamp)
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project.last_updated = timestamp
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def GetProjectMods(self):
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mods = []
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# We need to create the next_action label
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if self._next_action_id == None:
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self._next_action_id = '$%d' % int(time.time())
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mods.append({'type': 'label_register',
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'timestamp': int(time.time()),
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'temp_id': self._next_action_id,
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'args': {
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'name': NEXT_ACTION_LABEL
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}})
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# Exit early so that we can receive the real ID for the label.
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# Otherwise we end up applying the label two different times, once with
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# the temporary ID and once with the real one.
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# This makes adding the label take an extra round through the sync
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# process, but that's fine since this only happens on the first ever run.
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logging.info("Adding next_action label")
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return mods
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for project in self._projects.itervalues():
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state = TraversalState(self._next_action_id)
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project.GetItemMods(state)
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if len(state.add_labels) > 0 or len(state.remove_labels) > 0:
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logging.info("For project %s, the following mods:", project.name)
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for item in state.add_labels:
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# Intentionally add the next_action label to the item.
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# This prevents us from applying the label twice since the sync
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# interface does not return our changes back to us on GetAndSync.
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item.labels.append(self._next_action_id)
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mods.append({'type': 'item_update',
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'timestamp': int(time.time()),
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'args': {
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'id': item.item_id,
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'labels': item.labels
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}})
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logging.info("add next_action to: %s", item.content)
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for item in state.remove_labels:
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item.labels.remove(self._next_action_id)
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mods.append({'type': 'item_update',
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'timestamp': int(time.time()),
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'args': {
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'id': item.item_id,
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'labels': item.labels
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}})
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logging.info("remove next_action from: %s", item.content)
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return mods
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def GetResponse():
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values = {'api_token': API_TOKEN}
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data = urllib.urlencode(values)
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req = urllib2.Request('https://api.todoist.com/TodoistSync/v2/get', data)
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return urllib2.urlopen(req)
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def DoSync(items_to_sync):
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values = {'api_token': API_TOKEN,
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'items_to_sync': json.dumps(items_to_sync)}
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logging.info("posting %s", values)
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data = urllib.urlencode(values)
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req = urllib2.Request('https://api.todoist.com/TodoistSync/v2/sync', data)
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return urllib2.urlopen(req)
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def DoSyncAndGetUpdated(items_to_sync, sync_state):
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values = {'api_token': API_TOKEN,
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'items_to_sync': json.dumps(items_to_sync)}
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for key, value in sync_state.iteritems():
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values[key] = json.dumps(value)
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logging.debug("posting %s", values)
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data = urllib.urlencode(values)
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req = urllib2.Request('https://api.todoist.com/TodoistSync/v2/syncAndGetUpdated', data)
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return urllib2.urlopen(req)
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def main():
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logging.basicConfig(level=logging.INFO)
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response = GetResponse()
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json_data = json.loads(response.read())
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logging.debug("Got initial data: %s", json_data)
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a = TodoistData(json_data)
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while True:
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time.sleep(5)
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logging.info("** Beginning sync")
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logging.info("* Generating modifications")
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mods = a.GetProjectMods()
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logging.info("* Finished generating modifications")
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sync_state = a.GetSyncState()
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changed_data = DoSyncAndGetUpdated(mods, sync_state).read()
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logging.debug("Got sync data %s", changed_data)
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changed_data = json.loads(changed_data)
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logging.info("* Updating model after receiving sync data")
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a.UpdateChangedData(changed_data)
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logging.info("* Finished updating model")
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logging.info("** Finished sync")
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if __name__ == '__main__':
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main()
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