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json_parser.py
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json_parser.py
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import datetime
import json
import os
import send_mail as sendMail
import xlsxwriter
HEADERS_MAP = {"user_property_user_id": "User ID",
"app_info_version": "App Version",
"event_name": "Event",
"item_name": "Action",
"content_type":"Type",
"firebase_screen_id":"FireBase ScreenID",
"user_property_first_open_time":"Open Time",
"device_info_mobile_model_name":"Mobile Model Name",
"category":"Category",
"city":"City",
"country" : "Country",
"region" : "Region",
"firebase_screen_class":"Screen Name",
"operating_system":"OS",
"operating_system_version" : "OS Version",
"item_id":"Item ID",
"version" :"Version",
"geo_info_region": "Region",
"geo_info_country": "Country"}
def flatten_user_json(user_json, user_id):
flat_json = {}
prefix = "user_property_"
print(user_json)
for individual_json in user_json:
key = prefix + individual_json['key']
property_json = (individual_json['value'])
if 'string_value' in property_json:
flat_json[key] = property_json['string_value']
if 'int_value' in property_json:
flat_json[key] = property_json['int_value']
if str(individual_json['key']) == 'user_id':
flat_json[key] = user_id
return json.dumps(flat_json)
def flatten_event_json(event_params):
flat_json = {}
print(event_params)
for individual_json in event_params:
key = individual_json['key']
property_json = (individual_json['value'])
if 'string_value' in property_json is not None :
flat_json[key] = property_json['string_value']
elif 'int_value' in property_json is not None :
flat_json[key] = property_json['int_value']
return json.dumps(flat_json)
def flatten_input_info(input_json,required_key_set, message):
flat_json = {}
print("\n%s\n" % (message))
print(input_json)
for key in required_key_set:
if key in input_json:
flat_json[key] = input_json[key]
return json.dumps(flat_json)
def convert_from_json(rows, file_path):
field_names = [field.name for field in rows.schema]
events_dict_array = []
for row in rows:
# print(format_string.format(*row))
user_properties, user_id, device_info, geo_info, app_info,event_name,event_params = extract_values(row,
field_names)
# Separting UserJSON from the list
user_json = flatten_user_json(user_properties, user_id)
# Separting DeviceType from the list
device_info_key_set = ["category", "operating_system",
"operating_system_version"]
device_json = flatten_input_info(device_info,
device_info_key_set, "Device JSON")
# Separting GeoType from the list
geo_json = flatten_input_info(geo_info, ["country", "region",
"city"], "GEO JSON")
# Separating Events From the list
events_json = flatten_event_json(event_params)
# Separting AppInfo from the list
app_info_json = flatten_input_info(app_info,
["version"], "App JSON")
single_entry = json.loads(user_json)
single_entry.update(json.loads(device_json))
single_entry.update(json.loads(geo_json))
single_entry.update(json.loads(app_info_json))
single_entry.update(json.loads(events_json))
events_dict_array.append(single_entry)
write_dict_array_to_excel_send_mail(events_dict_array, file_path + '.xls')
def print_values(newline, *args):
if newline:
for value in args:
print(value)
print('\n')
else:
for value in args:
print(value)
def extract_values(row, field_names):
event_name = row[field_names.index("event_name")]
print(event_name)
event_params = row[field_names.index("event_params")]
user_id_index = field_names.index("user_id")
user_id = row[user_id_index]
user_properties = row[field_names.index("user_properties")]
device_info = row[field_names.index("device")]
geo_info = row[field_names.index("geo")]
app_info = row[field_names.index("app_info")]
print_values(False, [row, event_name, user_id_index, user_id,
user_properties, device_info, geo_info, app_info])
return user_properties, user_id, device_info, geo_info, app_info,event_name,event_params
def write_dict_array_to_excel_send_mail(array_of_dict, output_path):
# //Creating a WorkBook
workbook = xlsxwriter.Workbook(output_path)
worksheet = workbook.add_worksheet()
dict_to_write = fetch_dict_to_write(array_of_dict)
dict_key_list = list(set(dict_to_write))
worksheet = write_to_worksheet(worksheet, dict_key_list, array_of_dict)
workbook.close()
workbook_size = os.stat(output_path).st_size
# process_mail(workbook_size, output_path)
def process_mail(workbook_size, attachment_path):
if workbook_size > 0:
from_addr = "[email protected]"
to_addr = "[email protected]"
subject = "Mobile User Activity - " + \
datetime.datetime.strftime(
datetime.datetime.now() - datetime.timedelta(1), '%Y-%m-%d')
body_message = "Hi, \n Greetings of the day!!. \n Attached sheet contains \
the details of the mobile user activity"
print(body_message)
sendMail.send_mail(from_addr, to_addr, subject,
body_message, attachment_path)
return
print("Unable to send email")
def write_to_worksheet(worksheet, dict_key_list, array_of_dict):
row = 0
col = 0
for key in dict_key_list:
if HEADERS_MAP.get(key):
key = HEADERS_MAP[key]
worksheet.write(0, col, key)
col += 1
for single_dict in array_of_dict:
col = 0
for key in dict_key_list:
if key in single_dict:
worksheet.write(row + 1, col, single_dict[key])
col += 1
row += 1
return worksheet
def fetch_dict_to_write(array_of_dict):
dict_to_write = {}
for each_dict in array_of_dict:
for key in each_dict.keys():
if key not in dict_to_write:
dict_to_write[key] = []
dict_to_write[key].append(each_dict[key])
print(dict_to_write)
return dict_to_write