twseopen.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2010,2011 Toomore Chiang, http://toomore.net/
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
from cttwt import TWTime
import csv
from datetime import datetime

_CSVFILEPATH = __name__.split('.')[-2]

class twseopen(object):
  ''' 判斷當日是否開市 '''
  def __init__(self, time):
    if type(TWTime().now) == type(time):
      self.twtime = TWTime().now
    elif type(TWTime().date) == type(time):
      self.twtime = TWTime().date
    else:
      pass

    self.ptime = time
    self.ocdate = self.loaddate()

  def loaddate(self):
    ''' 載入檔案
        檔案依據 http://www.twse.com.tw/ch/trading/trading_days.php
    '''
    ld = csv.reader(open('./%s/opendate.csv' % _CSVFILEPATH, 'r'))
    re = {}
    re['close'] = []
    re['open'] = []

    for i in ld:
      ''' 0 = 休市, 1 = 開市 '''
      if i[1] == '0':
        re['close'] += [datetime.strptime(i[0],'%Y/%m/%d').date()]
      elif i[1] == '1':
        re['open'] += [datetime.strptime(i[0],'%Y/%m/%d').date()]
      else:
        pass
    return re

  def ooc(self):
    ''' Open or close
        回傳 True：開市，False：休市。
    '''
    if self.ptime.date() in self.ocdate['close']: ## 判對是否為法定休市
      return False
    elif self.ptime.date() in self.ocdate['open']: ## 判對是否為法定開市
      return True
    else:
      ''' 判斷是否為每週開休市 '''
      if self.ptime.weekday() <= 4:
        return True
      else:
        return False