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975060c9 OM |
1 | #!/usr/bin/env python3 |
2 | """ | |
3 | Thingiverse bulk downloader | |
4 | """ | |
5 | ||
6 | import re | |
4a98996b | 7 | import sys |
975060c9 OM |
8 | import os |
9 | import argparse | |
10 | import unicodedata | |
11 | import requests | |
12 | from bs4 import BeautifulSoup | |
13 | ||
14 | URL_BASE = "https://www.thingiverse.com" | |
15 | URL_COLLECTION = URL_BASE + "/ajax/thingcollection/list_collected_things" | |
16 | ||
17 | ID_REGEX = re.compile(r'"id":(\d*),') | |
18 | TOTAL_REGEX = re.compile(r'"total":(\d*),') | |
19 | LAST_PAGE_REGEX = re.compile(r'"last_page":(\d*),') | |
20 | # This appears to be fixed at 12, but if it changes would screw the rest up. | |
21 | PER_PAGE_REGEX = re.compile(r'"per_page":(\d*),') | |
dd8c35f4 OM |
22 | NO_WHITESPACE_REGEX = re.compile(r'[-\s]+') |
23 | ||
24 | VERBOSE = False | |
25 | ||
26 | def strip_ws(value): | |
27 | """ Remove whitespace from a string """ | |
28 | return str(NO_WHITESPACE_REGEX.sub('-', value)) | |
975060c9 OM |
29 | |
30 | def slugify(value): | |
31 | """ | |
32 | Normalizes string, converts to lowercase, removes non-alpha characters, | |
33 | and converts spaces to hyphens. | |
34 | """ | |
35 | value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore').decode() | |
36 | value = str(re.sub(r'[^\w\s-]', '', value).strip()) | |
dd8c35f4 OM |
37 | value = str(NO_WHITESPACE_REGEX.sub('-', value)) |
38 | #value = str(re.sub(r'[-\s]+', '-', value)) | |
975060c9 OM |
39 | return value |
40 | ||
41 | class Collection: | |
42 | """ Holds details of a collection. """ | |
43 | def __init__(self, user, name): | |
44 | self.user = user | |
45 | self.name = name | |
46 | self.things = [] | |
47 | self.total = 0 | |
48 | self.req_id = None | |
49 | self.last_page = 0 | |
50 | self.per_page = None | |
51 | ||
52 | def _get_small_collection(self, req): | |
53 | """ Handle small collections """ | |
54 | soup = BeautifulSoup(req.text, features='lxml') | |
55 | links = soup.find_all('a', {'class':'card-img-holder'}) | |
56 | self.things = [x['href'].split(':')[1] for x in links] | |
57 | ||
58 | return self.things | |
59 | ||
60 | def get_collection(self): | |
61 | """ retrieve the things of the collection. """ | |
62 | if self.things: | |
63 | # We've already done it. | |
64 | return self.things | |
65 | ||
66 | # Get the internal details of the collection. | |
dd8c35f4 OM |
67 | c_url = "{}/{}/collections/{}".format(URL_BASE, self.user, strip_ws(self.name)) |
68 | if VERBOSE: | |
69 | print("Querying {}".format(c_url)) | |
975060c9 OM |
70 | c_req = requests.get(c_url) |
71 | total = TOTAL_REGEX.search(c_req.text) | |
72 | if total is None: | |
73 | # This is a small (<13) items collection. Pull the list from this req. | |
74 | return self._get_small_collection(c_req) | |
75 | self.total = total.groups()[0] | |
76 | self.req_id = ID_REGEX.search(c_req.text).groups()[0] | |
77 | self.last_page = int(LAST_PAGE_REGEX.search(c_req.text).groups()[0]) | |
78 | self.per_page = PER_PAGE_REGEX.search(c_req.text).groups()[0] | |
79 | parameters = { | |
80 | 'base_url':"{}/collections/{}".format(self.user, self.name), | |
81 | 'page':'1', | |
82 | 'per_page':'12', | |
83 | 'id':self.req_id | |
84 | } | |
85 | for current_page in range(1, self.last_page + 1): | |
86 | parameters['page'] = current_page | |
87 | req = requests.post(URL_COLLECTION, parameters) | |
88 | soup = BeautifulSoup(req.text, features='lxml') | |
89 | links = soup.find_all('a', {'class':'card-img-holder'}) | |
90 | self.things += [x['href'].split(':')[1] for x in links] | |
91 | ||
92 | return self.things | |
93 | ||
94 | def download(self): | |
95 | """ Downloads all the files in a collection """ | |
96 | if not self.things: | |
97 | self.get_collection() | |
98 | base_dir = os.getcwd() | |
99 | new_dir = "{}-{}".format(slugify(self.user), slugify(self.name)) | |
100 | target_dir = os.path.join(base_dir, new_dir) | |
101 | try: | |
102 | os.mkdir(target_dir) | |
103 | except FileExistsError: | |
104 | print("Target directory {} already exists. Assuming a resume.".format(new_dir)) | |
105 | os.chdir(target_dir) | |
106 | for thing in self.things: | |
107 | download_thing(thing) | |
108 | ||
109 | ||
110 | def download_thing(thing): | |
111 | """ Downloads all the files for a given thing. """ | |
112 | file_url = "{}/thing:{}/files".format(URL_BASE, thing) | |
113 | file_req = requests.get(file_url) | |
114 | file_soup = BeautifulSoup(file_req.text, features='lxml') | |
115 | ||
116 | title = slugify(file_soup.find_all('h1')[0].text.strip()) | |
117 | base_dir = os.getcwd() | |
118 | try: | |
119 | os.mkdir(title) | |
120 | except FileExistsError: | |
e36c2a07 OM |
121 | pass |
122 | ||
975060c9 OM |
123 | print("Downloading {} ({})".format(thing, title)) |
124 | os.chdir(title) | |
e36c2a07 OM |
125 | last_time = None |
126 | ||
127 | try: | |
4a98996b OM |
128 | with open('timestamp.txt', 'r') as timestamp_handle: |
129 | last_time = timestamp_handle.readlines()[0] | |
e36c2a07 OM |
130 | if VERBOSE: |
131 | print("last downloaded version: {}".format(last_time)) | |
132 | except FileNotFoundError: | |
133 | # Not run on this thing before. | |
134 | if VERBOSE: | |
135 | print('Directory for thing already exists, checking for update.') | |
136 | last_time = None | |
975060c9 OM |
137 | |
138 | file_links = file_soup.find_all('a', {'class':'file-download'}) | |
e36c2a07 OM |
139 | new_last_time = last_time |
140 | new_file_links = [] | |
141 | ||
142 | for file_link in file_links: | |
143 | timestamp = file_link.find_all('time')[0]['datetime'] | |
144 | if VERBOSE: | |
145 | print("Checking {} (updated {})".format(file_link["title"], timestamp)) | |
146 | if not last_time or timestamp > last_time: | |
147 | new_file_links.append(file_link) | |
148 | if not new_last_time or timestamp > new_last_time: | |
149 | new_last_time = timestamp | |
150 | ||
151 | if last_time and new_last_time <= last_time: | |
152 | print("Thing already downloaded. Skipping.") | |
153 | files = [("{}{}".format(URL_BASE, x['href']), x["title"]) for x in new_file_links] | |
975060c9 | 154 | |
a7152c35 OM |
155 | try: |
156 | for url, name in files: | |
e36c2a07 OM |
157 | if VERBOSE: |
158 | print("Downloading {} from {}".format(name, url)) | |
a7152c35 OM |
159 | data_req = requests.get(url) |
160 | with open(name, 'wb') as handle: | |
161 | handle.write(data_req.content) | |
e36c2a07 | 162 | # now write timestamp |
4a98996b OM |
163 | with open('timestamp.txt', 'w') as timestamp_handle: |
164 | timestamp_handle.write(new_last_time) | |
a7152c35 OM |
165 | except Exception as exception: |
166 | print("Failed to download {} - {}".format(name, exception)) | |
167 | os.chdir(base_dir) | |
168 | os.rename(title, "{}_failed".format(title)) | |
169 | return | |
170 | ||
e36c2a07 | 171 | |
975060c9 OM |
172 | os.chdir(base_dir) |
173 | ||
174 | def main(): | |
175 | """ Entry point for script being run as a command. """ | |
176 | parser = argparse.ArgumentParser() | |
dd8c35f4 | 177 | parser.add_argument("-v", "--verbose", help="Be more verbose", action="store_true") |
4a98996b OM |
178 | subparsers = parser.add_subparsers(help="Type of thing to download", dest="subcommand") |
179 | collection_parser = subparsers.add_parser('collection', help="Download an entire collection") | |
180 | collection_parser.add_argument("owner", help="The owner of the collection to get") | |
181 | collection_parser.add_argument("collection", help="The name of the collection to get") | |
182 | thing_parser = subparsers.add_parser('thing', help="Download a single thing.") | |
183 | thing_parser.add_argument("thing", help="Thing ID to download") | |
184 | ||
975060c9 | 185 | args = parser.parse_args() |
4a98996b OM |
186 | if not args.subcommand: |
187 | parser.print_help() | |
188 | sys.exit(1) | |
dd8c35f4 OM |
189 | global VERBOSE |
190 | VERBOSE = args.verbose | |
4a98996b OM |
191 | if args.subcommand.startswith("collection"): |
192 | collection = Collection(args.owner, args.collection) | |
193 | print(collection.get_collection()) | |
194 | collection.download() | |
195 | if args.subcommand == "thing": | |
196 | download_thing(args.thing) | |
975060c9 | 197 | |
975060c9 OM |
198 | |
199 | if __name__ == "__main__": | |
200 | main() |