#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Apr 2 10:34:56 2019
Assumes we are never writing a header!
@author: iregon
"""
import pandas as pd
from . import logging_hdlr
[docs]logger = logging_hdlr.init_logger(__name__,level = 'DEBUG')
[docs]def restore(TextParser_ref,TextParser_options):
try:
TextParser_ref.seek(0)
TextParser = pd.read_csv( TextParser_ref, names = TextParser_options['names'],chunksize = TextParser_options['chunksize'], dtype = TextParser_options['dtype']) #, skiprows = options['skiprows'])
return TextParser
except:
logger.error('Failed to restore TextParser', exc_info=True)
return TextParser
[docs]def is_not_empty(TextParser):
try:
TextParser_ref = TextParser.f
TextParser_options = TextParser.orig_options
except:
logger.error('Failed to process input. Input type is {}'.format(type(TextParser)), exc_info=True)
return
try:
first_chunk = TextParser.get_chunk()
TextParser = restore(TextParser_ref,TextParser_options)
if len(first_chunk) > 0:
logger.debug('Is not empty')
return True, TextParser
else:
return False, TextParser
except Exception:
return False, TextParser