2017-10-25 19:08:32 +00:00
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#!/usr/bin/env python3
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# -*- encoding: utf-8 -*-
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__author__ = "Adler Neves"
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__email__ = "adlerosn@gmail.com"
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__title__ = None
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__description__ = None
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__license__ = 'MIT'
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__copyright__ = 'Copyright 2017 Adler O. S. Neves'
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__version__ = '0.0.1'
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2017-09-02 05:04:28 +00:00
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import os
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import json
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from objectify import Objectify
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def check_pid(pid):
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try:
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os.kill(pid, 0) # inofensivo ao processo que recebe
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except OSError:
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return False
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else:
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return True
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class TaskLogger(object):
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folder = ''
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beganFile = ''
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completedFile = ''
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erroredFile = ''
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_title = ''
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def __init__(self, folder, title, began = False, completed = False):
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self.folder = folder
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self._title = title
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fsep = self.folder+os.path.sep
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self.beganFile = fsep+"began.flag"
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self.completedFile = fsep+"completed.flag"
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self.erroredFile = fsep+"errored.flag"
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if not os.path.exists(self.folder):
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os.makedirs(self.folder)
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if began:
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self.began = True
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if completed:
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self.completed = True
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@property
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def title(self):
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return self._title
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@property
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def began(self):
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return os.path.isfile(self.beganFile)
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@began.setter
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def began(self, res):
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if res:
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with open(self.beganFile, 'a+'):
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os.utime(self.beganFile, None)
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elif self.began:
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os.remove(self.beganFile)
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@property
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def completed(self):
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return os.path.isfile(self.completedFile)
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@completed.setter
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def completed(self, res):
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if res:
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self.began = True
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with open(self.completedFile, 'a+'):
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os.utime(self.completedFile, None)
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elif self.completed:
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os.remove(self.completedFile)
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@property
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def errored(self):
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return os.path.isfile(self.erroredFile)
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@errored.setter
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def errored(self, res):
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if res:
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self.began = True
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with open(self.erroredFile, 'a+'):
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os.utime(self.erroredFile, None)
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elif self.errored:
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os.remove(self.erroredFile)
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@property
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def result(self):
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r = dict()
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fsep = self.folder+os.path.sep
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try:
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with open(fsep+"commandArgv.json", 'r') as f:
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r['args'] = json.loads(f.read())
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with open(fsep+"returncode.txt", 'r') as f:
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r['returncode'] = int(f.read())
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with open(fsep+"stdout.bin",'rb') as f:
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r['stdout'] = f.read()
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with open(fsep+"stdout.txt",'rt') as f:
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r['stdoutText'] = f.read()
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with open(fsep+"stderr.bin",'rb') as f:
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r['stderr'] = f.read()
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with open(fsep+"stderr.txt",'rt') as f:
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r['stderrText'] = f.read()
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except FileNotFoundError:
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return None
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return Objectify(r)
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@result.setter
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def result(self, res):
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self.began = True
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fsep = self.folder+os.path.sep
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with open(fsep+"commandArgv.json", 'w') as f:
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f.write(json.dumps(res.args))
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with open(fsep+"returncode.txt",'wt') as f:
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f.write(str(int(res.returncode)))
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if int(res.returncode) != 0:
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self.errored = True
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with open(fsep+"stdout.bin",'wb') as f:
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dt = bytes()
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if res.stdout is not None:
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dt = res.stdout
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f.write(dt)
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with open(fsep+"stdout.txt",'wt') as f:
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dt = ''
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if res.stdout is not None:
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dt = (
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res.stdout.
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decode('utf-8', errors='replace').
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replace('\r\r','\r').
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replace('\r\n','\n').
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replace('\r','\n')
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)
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f.write(dt)
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with open(fsep+"stderr.bin",'wb') as f:
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dt = bytes()
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if res.stderr is not None:
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dt = res.stderr
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f.write(dt)
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with open(fsep+"stderr.txt",'wt') as f:
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dt = ''
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if res.stderr is not None:
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dt = (
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res.stderr.
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decode('utf-8', errors='replace').
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replace('\r\r','\r').
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replace('\r\n','\n').
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replace('\r','\n')
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)
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f.write(dt)
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self.completed = True
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@property
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def _jsonable(self):
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simple = dict()
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simple['title'] = self.title
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simple['began'] = self.began
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simple['completed'] = self.completed
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simple['errored'] = self.errored
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simple['result'] = self.result
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if simple['result'] is not None:
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simple['result'] = simple['result'].as_dict
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simple['result']['stdout'] = simple['result']['stdout'].decode('utf-8', errors='ignore')
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simple['result']['stderr'] = simple['result']['stderr'].decode('utf-8', errors='ignore')
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return simple
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def __repr__(self):
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return json.dumps(self._jsonable)
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def __str__(self):
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return self.folder
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class CommandLogger(object):
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_folder = ''
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_length = 0
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def __init__(self, folder="logs", dontTouchPid = False):
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self._folder = folder
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if not os.path.exists(self._folder):
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os.makedirs(self._folder)
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self._updateLength()
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if not dontTouchPid:
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self.__pid = os.getpid()
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@property
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def _expectedLength(self):
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try:
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with open(os.path.abspath(self._folder+os.path.sep+'plannedSize')+".txt") as f:
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rd = f.read()
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if rd:
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return int(rd)
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else:
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return 0
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except:
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return 0
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@_expectedLength.setter
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def _expectedLength(self, newValue):
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with open(os.path.abspath(self._folder+os.path.sep+'plannedSize')+".txt", 'w') as f:
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f.write(str(newValue))
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def _updateLength(self,fromBeginning=False):
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if fromBeginning:
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self._length = 0
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while os.path.exists(self._nextEntry):
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self._length+=1
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if self._expectedLength < self._length:
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self._expectedLength = self._length
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@property
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def _nextEntry(self):
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return self._getEntry(self._length+1)
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def _getEntry(self, num):
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return self._folder+os.path.sep+str(num)
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def task(self, title="", began=False, completed=False):
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self.__pid = os.getpid()
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self._updateLength()
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with open(self._nextEntry+".txt", 'w') as f:
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f.write(title)
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tl = TaskLogger(self._nextEntry, title, began, completed)
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self._updateLength()
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return tl
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def _reopenTask(self, num):
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title = ''
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with open(self._getEntry(num)+".txt") as f:
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title = f.read()
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return TaskLogger(self._getEntry(num), title)
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@property
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def done(self):
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try:
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with open(os.path.abspath(self._folder+os.path.sep+'done')+".txt") as f:
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return str(True) == f.read()
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except:
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return False
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@done.setter
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def done(self, newValue):
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with open(os.path.abspath(self._folder+os.path.sep+'done')+".txt", 'w') as f:
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f.write(str(newValue))
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@property
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def __pid(self):
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try:
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with open(self._folder+os.path.sep+".pid") as f:
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return int(f.read())
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except FileNotFoundError:
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return os.getpid()
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@__pid.setter
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def __pid(self, pid):
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with open(self._folder+os.path.sep+".pid", 'w') as f:
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f.write(str(pid))
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@property
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def _running(self):
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return check_pid(self.__pid)
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@property
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def aborted(self):
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return not self._running and not self.done
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@property
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def tasks(self):
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return [self._reopenTask(i+1) for i in range(self._length)]
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def planTasks(self,num):
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self._updateLength()
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self._expectedLength+=num
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self._updateLength()
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@property
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def summary(self):
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d = dict()
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a = self.tasks
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b = [x.began for x in a]
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c = [x.completed for x in a]
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e = [x.errored for x in a]
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d['expected_length'] = self._expectedLength
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d['current_length'] = self._length
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d['done'] = self.done
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d['aborted'] = self.aborted
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d['allbegan'] = all(b)
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d['allcompleted'] = all(c)
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d['anyerrored'] = any(e)
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return d
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@property
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def _jsonable(self):
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s = self.summary
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s.update([('tasks',list(map(lambda a: a._jsonable, self.tasks)))])
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return s
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def __repr__(self):
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return json.dumps(self._jsonable)
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def __str__(self):
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return self._folder
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