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taskpyper.py
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taskpyper.py
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#!/usr/bin/env python
"""
Taskpyper is a module of taskaper markup tools written in pthon.
TODO: Document what markup is acceptable here."""
import re;
from optparse import OptionParser;
from sys import stdout,stderr
from datetime import *
import os
import logging
import codecs
#These are semi-standard magic values to track module info
__license__ = u"LGPL"
__version__ = u"0.1.0.16";
__author__ = u"FarMcKon";
#Global values
_gDebug = True;
# Create our logger
_gLog = logging.getLogger('MyLogger')
_gLog.setLevel(logging.DEBUG)
#Create the output vector for the log
#_gLogHandler = logging.FileHandler('dbg_log.txt','a+','UTF-8')
_gLogHandler = logging.StreamHandler()
_gLog.addHandler(_gLogHandler)
_gLog.debug('======' + str(datetime.now()) )
_gLog.debug('Log Created on taskpyper load :' + str(datetime.now()) )
class TaskManager():
"""
This is a general manager for tasks. It 3 functions
1. Load/Save tasks.
2. Search/find/flag tasks
3. Remove/update/etc/
"""
taskList = None
comments = None
lastSyncIn = None #datetime obj
def __init__(self, taskSource = None):
""" General init. taskSource is saved."""
if (os.path.isfile(taskSource)):
loader = TaskFileLoader(taskSource)
(self.taskList,self.comments) = loader.get_tasks_and_comments()
self.lastSyncIn = loader.lastRead
def tasks_by_attribs(self, attribs, union = False):
"""This function find tasks by attribute strings. Attribs can
be a single string, or a list of strings. Union is true/false to
indiicateds if a union (or intersection) is returned. Defautls to intersection.
Returns a list of Task objects."""
#union = True = take the union of all attribs
#union = false = take the join of
_gLog.debug("find_by_attrib")
if(type(attribs) is not list):
attribs = [attribs]
retList = None
for attribString in attribs:
if(attribString[0] != '@'):
attribString = '@'+ attribString
newSet = filter(lambda task: attribString in task.attribs, self.taskList)
if(retList is None):
retList = newSet
if(union == True):
toAdd = filter(lambda newTask: newTask not in retList , newSet)
retList.extend(toAdd)
else:
retList = filter(lambda knownTask: knownTask in newSet , retList)
return retList
def task_strings_by_attribs(self, attribs):
"""This function find tasks by attribute strings. Attribs can
be a single string, or a list of strings. Union is true/false to
indiicateds if a union (or intersection) is returned. Defautls to intersection.
Returns a list of strings. """
tasks = self.tasks_by_attribs(attribs)
matchStrings = map(lambda task: task.console_str(), tasks)
return matchStrings
def ttask_strings_by_smart_attribs(self, attribs):
"""This function find tasks by attribute strings. Attribs can
be a single string, or a list of strings. This function will smart
search for ['today', 'tomorrow', 'thisweek','done'] by expanding those to
include patterns specific to that day/week/month and look for variations.
Returns a list of strings. """
tasks = self.task_by_smart_attribs( attribs )
return map(lambda tsk: tsk.console_str(), tasks)
def task_by_smart_attribs(self, attribs):
"""This function find tasks by attribute strings. Attribs can
be a single string, or a list of strings. This function will smart
search for ['today', 'tomorrow', 'thisweek','done'] by expanding those to
include patterns specific to that day/week/month and look for variations.
Returns a list of Task objects."""
_gLog.debug("task_by_smart_attribs")
# -- turn into a list if not
if(type(attribs) is not list):
attribs = [attribs]
attribGroups = [] # a list of list of 'magic' attribs
for a in attribs:
if(a[0] != '@'):
a = '@'+ a
if(a == '@today'):
_gLog.debug("task_by_smart_attribs: updating '@today'")
newGroup = ['@today']
#generate and add date variants
newTag = self.due_tag_by_datetime(datetime.now())
newGroup.append(newTag)
attribGroups.append(newGroup)
elif(a == '@tomorrow'):
newGroup = ['@tomorrow']
#generate and add date variants
tomorrow = datetime.now() + timedelta(days=1)
newTag = self.due_tag_by_datetime(tomorrow)
newGroup.append(newTag )
attribGroups.append(newGroup)
# elif(a == 'thisweek'):
# #generate and add date variants
# pass
# elif(a == 'thismonth'):
# #generate and add date variants
# pass
# elif(a == 'done'):
# #generate and add date variants
# pass
else:
attribGroups.append([a,])
matches = None
for group in attribGroups:
_gLog.debug("task_by_smart_attribs: getting group:" + str(group))
newMatches = self.tasks_by_attribs(group, union = True)
# -- first match, setup matches
if(matches is None):
matches = newMatches
# -- nth match. Limit matches to union
else:
matches = filter(lambda task: task in newMatches, matches)
return matches
@classmethod
def due_tag_by_datetime(cls,dt = None, resolution = 3):
""" Function to generate a 'due by' tag for a specific date.
and returns. Returns a string."""
if(type(dt) is not datetime):
return ''
timeTup = dt.timetuple()
if(resolution == 3):
absDateString = "@due"+ str((timeTup[0],timeTup[1],timeTup[2]))
else :
absDateString = "@due"+ str(timeTup)
absDateString = absDateString.replace(', ','-') #change date formatting
return absDateString
def update(self):
_gLog.error("implement")
def write_tasks(self, taskDest = None, mode = 'w'):
""" Function writes out tasks. Now simply sends a task to console."""
if (taskDes == "sys.stdout" or taskDest == 'stdout'):
pass
else:
_gLog.error("only write to stdout for now");
class Task():
""" This function """
attribs = None
taskText = None
def __init__(self, taskText = None, attribs = None):
"""General Init"""
self.attribs = attribs
self.taskText = taskText
@classmethod
def from_raw_string(cls,rawText = None):
#split string into parts
words = rawText.split()
#simplistic version
#:TODO: make smarter about embedded or multi space tags
attribs = filter(lambda word: word[0] == '@', words)
taskTextWords = filter(lambda word : word not in attribs, words)
taskText = ' '.join(taskTextWords)
return cls(taskText,attribs)
def __str__(self):
return ' '.join(['TaskObj:\'',str(self.taskText),'\'\tattribs:',str(self.attribs)])
def console_str(self):
words = [self.taskText,]#.extend(self.attribs)
words.extend(self.attribs)
return ' '.join( words )
class TaskFileLoader():
""" Loader for Tasks stored in a file """
readtime = None
filename = None
lastRead = None
lastWritten = None
def __init__(self, filename = None, encoding = u'UTF-8'):
if (os.path.isfile(filename)):
self.filename = filename
self.encoding = encoding
else:
_gLog.error('Could not load file ' + str(filename) )
def get_tasks(self, filename = None, encoding = None):
(tasks,comments) = self.get_tasks_and_comments(filename,encoding)
return tasks
def get_tasks_and_comments(self, filename = None, encoding = None):
""" """
# -- setup values and load defaults
fileText = None
tasks = None
if(filename is None):
filename = self.filename
if(encoding is None):
encoding = self.encoding
# == if we are a file, load it
if (os.path.isfile(filename)):
fileObj = codecs.open(filename, u'r', encoding )
if(fileObj is not None):
self.lastRead = datetime.now()
fileText = fileObj.read()
fileObj.close()
del fileObj
# -- if we have any text, build objects from it
if(fileText is not None):
fileLines = fileText.splitlines()
fileLines = filter(lambda string: string != '', fileLines)
# -- strip out comments, process them
comments = filter(lambda string: string[0] == '#', fileLines)
# -- take all non-comment lines, conver them into task objects
taskLines = filter(lambda string: string[0] != '#', fileLines)
tasks = map(lambda string: Task.from_raw_string(string), taskLines)
return (tasks, comments)
#
#class TaskFile():
# """ TaskFile class is used to managed a group of tasks stored in a file. It contains
# accessory functions to make managing that file eaiser """
#
# tasksRawText = None; #the raw text from the file
# sourceFilename = None; #the source/destination file
# fileSynced = None; #flag if the rawText and sourceFile are in sync
#
#
# def __init__(self,filename=None):
# """ Create the TaskFile object from a file"""
# self.load(filename)
#
#
# def load(self,filename):
# """ Load a text file of tasks into this TaskFile object """
# debugprint( 'creating task blob from %s' %filename)
#
# if filename is not None:
# debugprint('Loading from file %(file)s' % {'file': filename})
# fh = open(filename,'r')
# if(fh):
# self.tasksRawText = fh.read()
# self.sourceFilename = filename
# self.fileSynced = True;
# fh.close()
# del fh;
# stdout.write('file loaded OK');
# else: #filename in not None
# self.tasksRawText = None;
# self.fileSynced = None;
# stdout.write('no load file specified');
#
#
# def autobackup(self, backupFilename=None):
# """ backup the objects rawText data to the given filename. If no name is given, backup
# to an name autogenerated by the time the funciton is called. This does NOT set the sync
# bit."""
# if backupFilename is None:
# now = datetime.now()
# nowTxt = now.strftime("%Y.%m.%d.%H.%M.%S")
# backFilename = self.sourceFilename + "." + nowTxt +".backup"
# debugprint("autobackup filename" + backFilename)
# fh = open(backFilename,"w+")
# fh.write(self.tasksRawText)
# fh.close();
# del fh;
#
# def removeExactMatch(self,exactTaskText):
# """IF the passed text EXACTLY matches a task,that task is removed from the internal
# rawText stream. fileSynced is set to false if any modification took place"""
# if exactTaskText:
# #if exactTaskText[-1] != '\n':
# # exactTaskText = exactTaskText
# regger = re.compile(re.escape(exactTaskText));
# #print 'exact task text: '+ exactTaskText
# #print regger
# match = regger.search(self.tasksRawText,re.M);
# #print 'match: ' + str(match)
# if (match):
# print 'match found'
# re.sub('',self.tasksRawText)
# self.fileSynced = False;
# else:
# print 'no match found'
#
# else:
# print "no text FAIL!"
# #make sure we have an exact whole line match
# #and nuke it from the lastRawRead
# #tpBlob.removeExactMatch(taskMatches[0])
#
#
# def findTaskByMatching(self,taskTextToFind):
# """Takes a string, tries to find all tasks that have that text in it, andthen returns an
# array of all tasks that matched the line"""
# debugprint( 'find task by text: %s' % taskTextToFind)
# matchedLines = []
# matchReg = re.compile(re.escape(taskTextToFind), re.I)
# for x in self.tasksRawText.split('\n'):
# if (matchReg.search(x) != None):
# matchedLines.append(x)
#
# return matchedLines
#
#
#
# def findDue(self, targetDT,skipDoneTasks=True, lang="EN"):
# """ This function scans for items due that match the @date with the ISO format date info
# matching the passed datetime (targetDT). If the targetDT is the same day as the current
# system information, @today, @tonight and other patterns are added to thet search."""
# duePatterns = ["\s@due\s","\s@todo"]
# dueItems = []
# #ISO pattern xxx.xx.xx or xxxx-xx-xx
# todayDue = u"\s@due\(%(year)04d(-|.| )%(month)02d(-|.| )%(day)02d\)" % \
# {'year':targetDT.year, 'month':targetDT.month, 'day':targetDT.day}
# duePatterns.append(todayDue)
#
# #if today is targetDT, add some extra patterns
# now = datetime.now()
# if(targetDT.year == now.year and targetDT.month == now.month and targetDT.day == now.day):
# duePatterns.extend([u"\s@today",u"\s@tonight"])
#
# #local language pattern if we ahve it
# duePatterns.append(u"\s@" +now.strftime("%A")+u"\S") #full day name
# duePatterns.append(u"\s@" +now.strftime("%a")+u"\S") #abbr day name
#
# #if(isoWeekdaySets.has_key(lang)):
# # weekdays = isoWeekdaySets[lang]
# # if weekdays.has_key(now.isoweekday()) :
# # str = u"\s@" + weekdays[now.isoweekday()];
# # debugprint(str)
# # duePatterns.append(str)
# # */
#
# #:TODO: if tomorrow is targetDT, add some extra patterns
#
# #:TODO: if yesterday was targetDT, add some extra patterns
#
#
# #serch for the matches
# for task in self.tasksRawText.split('\n'):
# negatorPattern = u"\s@done"
# negatorReg = re.compile(negatorPattern)
# #TODO add ability to grab 'sub-issues'
# for pattern in duePatterns:
# #print ' doing pattern %s' % pattern
# dueReg = re.compile(pattern, re.I);
# if(dueReg.search(task)):
# if((skipDoneTasks == False) or (negatorReg.search(task) == None) ):
# dueItems.append(task);
# #prevIssueIndentLvl = X;
# debugprint('due item found: %s' % task)
#
# #TODO: strip duplicats from dueItems
#
# return dueItems;
#
# def findPastDue(self):
# #import datetime;
# #today = datetime.date.today()
# dueWithDate = [];
# for x in self.tasksRawText.split('\n'):
# pastDueReg = re.compile(u"\s@due\([0-9]{4}-[0-9]{2}-[0-9]{2}\)");
# if(pastDueReg.search(x)):
# dueWithDate.append(x)
# #print 'due found %s' % x
#
# def setIsoDates( baseDateTime = datetime.now()):
# """This funciton scans the file for all dates with @somedayname and
# converts them to @event(IsoDate) or @due (IsoDate)
# """
#
# debugprint("Boo")
#
#
## def updateAutomatics(self):
## print "Testing UpdateAutomatics"
## x = self.findAutomatics()
#
## def findAutomatics(self):
## """returns a list of automated items from the raw text"""
## matchAutomatedTag = []
## for x in self.tasksRawText.split('n'):
## print 'bar'
## autoReg = re.compile(ur"@auto",re.I);
## z = autoReg.search(x)
## print z
## if(z):
## print 'baz'
## print 'automated item found %s' % x
## for c in range(0,len(z.groups())) :
#
## print "Groups %d: %s " % c, z.groups(c)
## matchAutomatedTag.append(x)
## return matchAutomatedTag
#