Writing heirarchical JSON data to Excel xls from Python?

匿名 (未验证) 提交于 2019-12-03 08:28:06

问题:

I want to write some data from python to xlsx. I currently have it stored as JSON, but it doesn't matter what it is going out of Python. Here's what the JSON for a single article would look like:

{     'Word Count': 50    'Key Words': {                    ['Blah blah blah', 'Foo', ... ] }    'Frequency': {                   [9, 12, ... ] }    'Proper Nouns': {                    ['UN', 'USA', ... ] }    'Location': 'Mordor' } 

I checked out the XlsxWriter module but can't figure out how to translate hierarchical data that is not necessarily the same size (note the number of proper nouns between the two data "objects").

What I want the data to look like:

Any pointers?

回答1:

As your structures can be arbitrarily nested, I would suggest using recursion to achieve this:

from collections import OrderedDict import xlsxwriter import json  def json_to_excel(ws, data, row=0, col=0):     if isinstance(data, list):         row -= 1         for value in data:             row = json_to_excel(ws, value, row+1, col)     elif isinstance(data, dict):         max_row = row         start_row = row         for key, value in data.iteritems():             row = start_row             ws.write(row, col, key)             row = json_to_excel(ws, value, row+1, col)             max_row = max(max_row, row)             col += 1         row = max_row     else:         ws.write(row, col, data)      return row  text = """ [     {         "Source ID": 123,         "WordCount": 50,         "Key Words": ["Blah blah blah", "Foo"],         "Frequency": [9, 12, 1, 2, 3],         "Proper Nouns": ["UN", "USA"],         "Location": "Mordor"     },     {         "Source ID": 124,         "WordCount": 50,         "Key Words": ["Blah blah blah", "Foo"],         "Frequency": [9, 12, 1, 2, 3],         "Proper Nouns": ["UN", "USA"],         "Location": "Mordor"     } ] """  data = json.loads(text, object_pairs_hook=OrderedDict) wb = xlsxwriter.Workbook("output.xlsx") ws = wb.add_worksheet() json_to_excel(ws, data) wb.close()   

This would give you an output file looking like:



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