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DataFileIterator.py
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DataFileIterator.py
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'''
Created on 09 may 2018
@author: yves.coupez
'''
import os
from collections import Iterator
import Reader_BOStandard as rbggs
import Reader_TextwithHeader as txt
class DataFileIterator(Iterator):
'''
'''
def __init__(self, file_type,path,filename):
self.path = path
self.filemame = filename
self.headers = list()
self.values = list()
self.dispatch_map = {'BOStandard': self.BOStandard_loader,
'TextHeaderComma': self.TextHeaderComma_loader,
'TextHeaderTab': self.TextHeaderTab_loader}
self.dispatch(file_type)
def next(self):
if not self.values:
raise StopIteration
return dict(zip(self.headers, self.values.pop()))
def BOStandard_loader(self):
reader = rbggs.Reader_BOStandard(self.path, self.filemame)
self.headers = reader.headers
self.values = reader.values
def TextHeaderComma_loader(self):
reader = txt.ReaderTextwithHeader(self.path, self.filemame,'comma')
self.headers = reader.headers
self.values = reader.values
def TextHeaderTab_loader(self):
reader = txt.ReaderTextwithHeader(self.path, self.filemame,'tab')
self.headers = reader.headers
self.values = reader.values
def dispatch(self, arg):
bound = self.dispatch_map[arg].__get__(self, type(self))
bound()