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South London Makerspace - Discourse media downloader
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| #! /usr/bin/env python3 | |
| import sys | |
| from urllib.request import Request, urlopen | |
| from urllib.parse import urlencode | |
| import json | |
| import os.path | |
| if len(sys.argv) != 2: | |
| sys.exit('API key missing') | |
| SLMS_DISCOURSE_QUERY_URL = 'https://discourse.southlondonmakerspace.org/admin/plugins/explorer/queries/14/run' | |
| SLMS_DISCOURSE_VALUES = { 'api_key': sys.argv[1], 'api_username': 'makerspace'} | |
| def file_safe_char(x): | |
| if x.isalnum(): | |
| return x | |
| if x in [' ', '-']: | |
| return '_' | |
| return '' | |
| data = urlencode(SLMS_DISCOURSE_VALUES) | |
| request = Request(SLMS_DISCOURSE_QUERY_URL, | |
| data=data.encode('utf-8'), | |
| headers={ | |
| 'Content-Type':'application/x-www-form-urlencoded;charset=utf-8', | |
| 'Accept': '*/*'}, | |
| ) | |
| with urlopen(request) as api_response: | |
| result = api_response.read().decode('utf-8') | |
| result = json.loads(result) | |
| # print(result.keys() | |
| # ['success', 'params', 'relations', 'duration', 'colrender', 'rows', 'errors', 'columns'] | |
| # print(result['columns']) | |
| # ['post', 'username', 'image', 'date'] | |
| # for row in result['rows']: | |
| # print(row) | |
| # ['<a href = "https://discourse.southlondonmakerspace.org/p/25753">Networking work', 'jonathanjo', 't', 'Systems', 'https://discourse.southlondonmakerspace.org/uploads/default/original/2X/9/965179f59b9957970fa5219ebbd30d62a1b11d20.jpg', '2016-07-22'] | |
| # print('{} | {} | {} | {}'.format(row[0], row[1], row[2], row[3])) | |
| # https://discourse.southlondonmakerspace.org/p/8210 | unknowndomain | https://discourse.southlondonmakerspace.org/uploads/default/original/1X/b3da2864a8dd491f364a2317a6a4e2720a904652.JPG | 2016-01-11 | |
| for row in result['rows']: | |
| thread_index = 0 | |
| user_index = 1 | |
| restricted_index = 2 | |
| category_index = 3 | |
| image_url_index = 4 | |
| date_index = 5 | |
| thread_url = row[thread_index].split('"')[1] | |
| thread_title = row[thread_index].split('>')[1] | |
| file_name = '{}-{}---{}'.format(row[date_index], ''.join(file_safe_char(x) for x in row[user_index]), ''.join(file_safe_char(x) for x in thread_title)) | |
| if row[restricted_index] == 't': | |
| file_name = file_name + '--RESTRICTED' | |
| file_ext = os.path.splitext(row[image_url_index])[1] | |
| counter = 1 | |
| candidate = file_name | |
| while os.path.exists(candidate + file_ext): | |
| candidate = '{}-{:02}'.format(file_name, counter) | |
| counter += 1 | |
| file_name = candidate | |
| print('Downloading {} as {}'.format(row[image_url_index], file_name + file_ext)) | |
| request = Request(row[image_url_index]) | |
| with urlopen(request) as image_response: | |
| with open(file_name + file_ext, 'wb') as image_file: | |
| image_data = image_response.read() | |
| image_file.write(image_data) | |
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