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Parser_For_Attribute_Values.py
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Parser_For_Attribute_Values.py
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# -*- coding: utf-8 -*-
import gzip
import json
from normalizing_text import Normalizing_text
import csv
import re
write_file = open('attributes_values.csv','w')
csv_writer = csv.writer(write_file)
csv_writer.writerow(['description_escaped','attributes','values'])
class Parser():
def __init__(self,description_escaped,out_put):
self.description_escaped = description_escaped
self.out_put = out_put
def Parser_Attributes(self):
content = self.description_escaped.split('\n')
self.out_put = []
for element in content:
if len(element) < 5:
if element in content:
content.remove(element)
if_free_running_text = len(element.split('.'))
if if_free_running_text >= 3:
if element in content:
content.remove(element)
for i in range(0,len(content)):
probable_attribute = ''
probable_value = ''
if content[i].find(':') != -1:
probable_attribute = content[i].split(':')[0].strip()
probable_value = content[i].split(':')[1].strip()
if len(probable_attribute) > 4 and len(probable_attribute) < 50 and len(probable_value) > 4 and len(probable_value) < 100:
if probable_value != '"350"}" Feedback' and probable_attribute != '"350"}" Feedback':
probable_attribute = ''.join([i if ord(i) < 128 else '' for i in probable_attribute])
probable_value = ''.join([i if ord(i) < 128 else '' for i in probable_value])
probable_attribute = re.sub(r'''(^\d*?\.)|(^\d*?\))|(^\(\d*?\))|^-|^\*''','',probable_attribute)
row = [probable_attribute,probable_value]
csv_writer.writerow(row)
self.out_put.append(row)
# print row
if __name__=='__main__':
file = gzip.open('Amazon_US_product_New_0122.gz')
for line in file:
# try:
crash = []
doc = json.loads(line)
if doc.get('description_escaped') not in ['', '[]', [], None]:
if type(doc['description_escaped']) in [type(''), type(u'')]:
normalized_text_object = Normalizing_text(doc['description_escaped'])
normalized_text_object.Normalizing()
parse_text = Parser(normalized_text_object.description,crash)
parse_text.Parser_Attributes()
# except Exception as e:
# print(e)
write_file.close()
# for i in range(0,len(content)):
# if content[i].find(':') != -1 and not found_previous:
# if len(content[i].split(':')[-1]) == 0:
# if content[i+1].find(':') == -1:
# rows.append([re.sub(':','',content[i]),content[i+1]])
# elif content[i+1].find(':') != -1:
# rows.append([re.sub(':','',content[i]),content[i+1].split(':')[-1]])
# found_previous = 1
# elif len(content[i].split(':')[-1]) != 0:
# rows.append([content[i].split(':')[0],content[i].split(':')[1]])
# is_white_space_separator = 0
# for element in content:
# if len(element) == 0:
# is_white_space_separator = 1
# content.remove(element)
# found_previous = 0
# if is_white_space_separator:
# for i in range(0,len(content)):
# if content[i].find(':') != -1 and not found_previous:
# if len(content[i].split(':')[-1]) == 0:
# if content[i+1].find(':') == -1:
# rows.append([re.sub(':','',content[i]),content[i+1]])
# elif content[i+1].find(':') != -1:
# rows.append([re.sub(':','',content[i]),content[i+1].split(':')[-1]])
# found_previous = 1
# elif len(content[i].split(':')[-1]) != 0:
# rows.append([content[i].split(':')[0],content[i].split(':')[1]])
# elif found_previous == 1:
# found_previous = 0
# if not is_white_space_separator:
# for i in content:
# rows.append(i.split(':'))
# print(rows)