get readme & license details
[clinton/thingy_grabber.git] / thingy_grabber.py
index 896e4d6..63c929a 100755 (executable)
@@ -9,11 +9,13 @@ import os
 import argparse
 import unicodedata
 import requests
+import logging
 from shutil import copyfile
 from bs4 import BeautifulSoup
 
 URL_BASE = "https://www.thingiverse.com"
 URL_COLLECTION = URL_BASE + "/ajax/thingcollection/list_collected_things"
+USER_COLLECTION = URL_BASE + "/ajax/user/designs"
 
 ID_REGEX = re.compile(r'"id":(\d*),')
 TOTAL_REGEX = re.compile(r'"total":(\d*),')
@@ -22,43 +24,50 @@ LAST_PAGE_REGEX = re.compile(r'"last_page":(\d*),')
 PER_PAGE_REGEX = re.compile(r'"per_page":(\d*),')
 NO_WHITESPACE_REGEX = re.compile(r'[-\s]+')
 
-VERBOSE = False
+VERSION = "0.5.1"
+
 
 def strip_ws(value):
     """ Remove whitespace from a string """
     return str(NO_WHITESPACE_REGEX.sub('-', value))
 
+
 def slugify(value):
     """
     Normalizes string, converts to lowercase, removes non-alpha characters,
     and converts spaces to hyphens.
     """
-    value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore').decode()
+    value = unicodedata.normalize('NFKD', value).encode(
+        'ascii', 'ignore').decode()
     value = str(re.sub(r'[^\w\s-]', '', value).strip())
     value = str(NO_WHITESPACE_REGEX.sub('-', value))
     #value = str(re.sub(r'[-\s]+', '-', value))
     return value
 
+
 class Grouping:
-    """ Holds details of a group of things.
+    """ Holds details of a group of things for download
         This is effectively (although not actually) an abstract class
         - use Collection or Designs instead.
     """
+
     def __init__(self):
         self.things = []
         self.total = 0
         self.req_id = None
         self.last_page = 0
         self.per_page = None
-        # These two should be set by child classes.
+        # These should be set by child classes.
         self.url = None
         self.download_dir = None
+        self.collection_url = None
 
     def _get_small_grouping(self, req):
         """ Handle small groupings """
         soup = BeautifulSoup(req.text, features='lxml')
-        links = soup.find_all('a', {'class':'card-img-holder'})
+        links = soup.find_all('a', {'class': 'card-img-holder'})
         self.things = [x['href'].split(':')[1] for x in links]
+        self.total = len(self.things)
 
         return self.things
 
@@ -70,12 +79,11 @@ class Grouping:
 
         # Check for initialisation:
         if not self.url:
-            print("No URL set - object not initialised properly?")
+            logging.error("No URL set - object not initialised properly?")
             raise ValueError("No URL set - object not initialised properly?")
 
         # Get the internal details of the grouping.
-        if VERBOSE:
-            print("Querying {}".format(self.url))
+        logging.debug("Querying {}".format(self.url))
         c_req = requests.get(self.url)
         total = TOTAL_REGEX.search(c_req.text)
         if total is None:
@@ -86,16 +94,16 @@ class Grouping:
         self.last_page = int(LAST_PAGE_REGEX.search(c_req.text).groups()[0])
         self.per_page = PER_PAGE_REGEX.search(c_req.text).groups()[0]
         parameters = {
-            'base_url':self.url,
-            'page':'1',
-            'per_page':'12',
-            'id':self.req_id
+            'base_url': self.url,
+            'page': '1',
+            'per_page': '12',
+            'id': self.req_id
         }
         for current_page in range(1, self.last_page + 1):
             parameters['page'] = current_page
-            req = requests.post(URL_COLLECTION, parameters)
+            req = requests.post(self.collection_url, parameters)
             soup = BeautifulSoup(req.text, features='lxml')
-            links = soup.find_all('a', {'class':'card-img-holder'})
+            links = soup.find_all('a', {'class': 'card-img-holder'})
             self.things += [x['href'].split(':')[1] for x in links]
 
         return self.things
@@ -106,38 +114,50 @@ class Grouping:
             self.get()
 
         if not self.download_dir:
-            raise ValueError("No download_dir set - invalidly initialised object?")
+            raise ValueError(
+                "No download_dir set - invalidly initialised object?")
 
         base_dir = os.getcwd()
         try:
             os.mkdir(self.download_dir)
         except FileExistsError:
-            print("Target directory {} already exists. Assuming a resume."
-                  .format(self.download_dir))
-        for thing in self.things:
+            logging.info("Target directory {} already exists. Assuming a resume."
+                         .format(self.download_dir))
+        logging.info("Downloading {} thing(s).".format(self.total))
+        for idx, thing in enumerate(self.things):
+            logging.info("Downloading thing {}".format(idx))
             Thing(thing).download(self.download_dir)
 
+
 class Collection(Grouping):
     """ Holds details of a collection. """
-    def __init__(self, user, name):
+
+    def __init__(self, user, name, directory):
         Grouping.__init__(self)
         self.user = user
         self.name = name
         self.url = "{}/{}/collections/{}".format(
             URL_BASE, self.user, strip_ws(self.name))
-        self.download_dir = os.path.join(os.getcwd(),
+        self.download_dir = os.path.join(directory,
                                          "{}-{}".format(slugify(self.user), slugify(self.name)))
+        self.collection_url = URL_COLLECTION
+
 
 class Designs(Grouping):
     """ Holds details of all of a users' designs. """
-    def __init__(self, user):
+
+    def __init__(self, user, directory):
         Grouping.__init__(self)
         self.user = user
         self.url = "{}/{}/designs".format(URL_BASE, self.user)
-        self.download_dir = os.path.join(os.getcwd(), "{} designs".format(slugify(self.user)))
+        self.download_dir = os.path.join(
+            directory, "{} designs".format(slugify(self.user)))
+        self.collection_url = USER_COLLECTION
+
 
 class Thing:
     """ An individual design on thingiverse. """
+
     def __init__(self, thing_id):
         self.thing_id = thing_id
         self.last_time = None
@@ -156,10 +176,13 @@ class Thing:
         req = requests.get(url)
         self.text = req.text
         soup = BeautifulSoup(self.text, features='lxml')
-
+        #import code
+        #code.interact(local=dict(globals(), **locals()))
         self.title = slugify(soup.find_all('h1')[0].text.strip())
         self.download_dir = os.path.join(base_dir, self.title)
 
+        logging.debug("Parsing {} ({})".format(self.thing_id, self.title))
+
         if not os.path.exists(self.download_dir):
             # Not yet downloaded
             self._parsed = True
@@ -168,37 +191,36 @@ class Thing:
         timestamp_file = os.path.join(self.download_dir, 'timestamp.txt')
         if not os.path.exists(timestamp_file):
             # Old download from before
-            if VERBOSE:
-                print("Old-style download directory found. Assuming update required.")
+            logging.warning(
+                "Old-style download directory found. Assuming update required.")
             self._parsed = True
             return
 
         try:
             with open(timestamp_file, 'r') as timestamp_handle:
                 self.last_time = timestamp_handle.readlines()[0]
-            if VERBOSE:
-                print("last downloaded version: {}".format(self.last_time))
+            logging.info("last downloaded version: {}".format(self.last_time))
         except FileNotFoundError:
             # Not run on this thing before.
-            if VERBOSE:
-                print("Old-style download directory found. Assuming update required.")
+            logging.info(
+                "Old-style download directory found. Assuming update required.")
             self.last_time = None
             self._parsed = True
             return
 
         # OK, so we have a timestamp, lets see if there is anything new to get
-        file_links = soup.find_all('a', {'class':'file-download'})
+        file_links = soup.find_all('a', {'class': 'file-download'})
         for file_link in file_links:
             timestamp = file_link.find_all('time')[0]['datetime']
-            if VERBOSE:
-                print("Checking {} (updated {})".format(file_link["title"], timestamp))
+            logging.debug("Checking {} (updated {})".format(
+                file_link["title"], timestamp))
             if timestamp > self.last_time:
-                print("Found new/updated file {}".format(file_link["title"]))
+                logging.info(
+                    "Found new/updated file {}".format(file_link["title"]))
                 self._needs_download = True
                 self._parsed = True
                 return
         # Got here, so nope, no new files.
-        print("Found no new files for {}".format(self.title))
         self._needs_download = False
         self._parsed = True
 
@@ -208,8 +230,7 @@ class Thing:
             self._parse(base_dir)
 
         if not self._needs_download:
-            if VERBOSE:
-                print("{} already downloaded - skipping.".format(self.title))
+            print("{} already downloaded - skipping.".format(self.title))
             return
 
         # Have we already downloaded some things?
@@ -218,15 +239,17 @@ class Thing:
         if os.path.exists(self.download_dir):
             if not os.path.exists(timestamp_file):
                 # edge case: old style dir w/out timestamp.
-                print("Old style download dir found for {}".format(self.title))
-                os.rename(self.download_dir, "{}_old".format(self.download_dir))
+                logging.warning(
+                    "Old style download dir found for {}".format(self.title))
+                os.rename(self.download_dir,
+                          "{}_old".format(self.download_dir))
             else:
                 prev_dir = "{}_{}".format(self.download_dir, self.last_time)
                 os.rename(self.download_dir, prev_dir)
 
         # Get the list of files to download
         soup = BeautifulSoup(self.text, features='lxml')
-        file_links = soup.find_all('a', {'class':'file-download'})
+        file_links = soup.find_all('a', {'class': 'file-download'})
 
         new_file_links = []
         old_file_links = []
@@ -238,15 +261,15 @@ class Thing:
             new_last_time = file_links[0].find_all('time')[0]['datetime']
             for file_link in file_links:
                 timestamp = file_link.find_all('time')[0]['datetime']
-                if VERBOSE:
-                    print("Found file {} from {}".format(file_link["title"], timestamp))
+                logging.debug("Found file {} from {}".format(
+                    file_link["title"], timestamp))
                 if timestamp > new_last_time:
                     new_last_time = timestamp
         else:
             for file_link in file_links:
                 timestamp = file_link.find_all('time')[0]['datetime']
-                if VERBOSE:
-                    print("Checking {} (updated {})".format(file_link["title"], timestamp))
+                logging.debug("Checking {} (updated {})".format(
+                    file_link["title"], timestamp))
                 if timestamp > self.last_time:
                     new_file_links.append(file_link)
                 else:
@@ -254,38 +277,93 @@ class Thing:
                 if not new_last_time or timestamp > new_last_time:
                     new_last_time = timestamp
 
-        if VERBOSE:
-            print("new timestamp {}".format(new_last_time))
+        logging.debug("new timestamp {}".format(new_last_time))
 
         # OK. Time to get to work.
+        logging.debug("Generating download_dir")
         os.mkdir(self.download_dir)
         # First grab the cached files (if any)
+        logging.info("Copying {} unchanged files.".format(len(old_file_links)))
         for file_link in old_file_links:
             old_file = os.path.join(prev_dir, file_link["title"])
             new_file = os.path.join(self.download_dir, file_link["title"])
             try:
-                if VERBOSE:
-                    print("Copying {} to {}".format(old_file, new_file))
+                logging.debug("Copying {} to {}".format(old_file, new_file))
                 copyfile(old_file, new_file)
             except FileNotFoundError:
-                print("Unable to find {} in old archive, redownloading".format(file_link["title"]))
+                logging.warning(
+                    "Unable to find {} in old archive, redownloading".format(file_link["title"]))
                 new_file_links.append(file_link)
 
         # Now download the new ones
-        files = [("{}{}".format(URL_BASE, x['href']), x["title"]) for x in new_file_links]
+        files = [("{}{}".format(URL_BASE, x['href']), x["title"])
+                 for x in new_file_links]
+        logging.info("Downloading {} new files of {}".format(
+            len(new_file_links), len(file_links)))
         try:
             for url, name in files:
                 file_name = os.path.join(self.download_dir, name)
-                if VERBOSE:
-                    print("Downloading {} from {} to {}".format(name, url, file_name))
+                logging.debug("Downloading {} from {} to {}".format(
+                    name, url, file_name))
                 data_req = requests.get(url)
                 with open(file_name, 'wb') as handle:
                     handle.write(data_req.content)
         except Exception as exception:
-            print("Failed to download {} - {}".format(name, exception))
+            logging.error("Failed to download {} - {}".format(name, exception))
             os.rename(self.download_dir, "{}_failed".format(self.download_dir))
             return
 
+        # People like images
+        image_dir = os.path.join(self.download_dir, 'images')
+        imagelinks = soup.find_all('span', {'class': 'gallery-slider'})[0] \
+                         .find_all('div', {'class': 'gallery-photo'})
+        logging.info("Downloading {} images.".format(len(imagelinks)))
+        try:
+            os.mkdir(image_dir)
+            for imagelink in imagelinks:
+                url = next(filter(None,[imagelink[x] for x in ['data-full',
+                                                               'data-large',
+                                                               'data-medium',
+                                                               'data-thumb']]), None)
+                if not url:
+                    logging.warning("Unable to find any urls for {}".format(imagelink))
+                    continue
+
+                filename = os.path.basename(url)
+                if filename.endswith('stl'):
+                    filename = "{}.png".format(filename)
+                image_req = requests.get(url)
+                with open(os.path.join(image_dir, filename), 'wb') as handle:
+                    handle.write(image_req.content)
+        except Exception as exception:
+            print("Failed to download {} - {}".format(filename, exception))
+            os.rename(self.download_dir, "{}_failed".format(self.download_dir))
+            return
+
+        # instructions are good too.
+        logging.info("Downloading readme")
+        try:
+            readme_txt = soup.find('meta', property='og:description')['content']
+            with open(os.path.join(self.download_dir,'readme.txt'), 'w') as readme_handle:
+                readme_handle.write("{}\n".format(readme_txt))
+        except (TypeError, KeyError) as exception:
+            logging.warning("No readme? {}".format(exception))
+        except IOError as exception:
+            logging.warning("Failed to write readme! {}".format(exception))
+
+        # Best get some licenses
+        logging.info("Downloading license")
+        try:
+            license_txt = soup.find('div',{'class':'license-text'}).text
+            if license_txt:
+                with open(os.path.join(self.download_dir,'license.txt'), 'w') as license_handle:
+                    license_handle.write("{}\n".format(license_txt))
+        except AttributeError as exception:
+            logging.warning("No license? {}".format(exception))
+        except IOError as exception:
+            logging.warning("Failed to write license! {}".format(exception))
+
+
         try:
             # Now write the timestamp
             with open(timestamp_file, 'w') as timestamp_handle:
@@ -295,39 +373,83 @@ class Thing:
             os.rename(self.download_dir, "{}_failed".format(self.download_dir))
             return
         self._needs_download = False
-        if VERBOSE:
-            print("Download of {} finished".format(self.title))
+        logging.debug("Download of {} finished".format(self.title))
+
+
+def do_batch(batch_file, download_dir):
+    """ Read a file in line by line, parsing each as a set of calls to this script."""
+    with open(batch_file) as handle:
+        for line in handle:
+            line = line.strip()
+            logging.info("Handling instruction {}".format(line))
+            command_arr = line.split()
+            if command_arr[0] == "thing":
+                logging.debug(
+                    "Handling batch thing instruction: {}".format(line))
+                Thing(command_arr[1]).download(download_dir)
+                continue
+            if command_arr[0] == "collection":
+                logging.debug(
+                    "Handling batch collection instruction: {}".format(line))
+                Collection(command_arr[1], command_arr[2],
+                           download_dir).download()
+                continue
+            if command_arr[0] == "user":
+                logging.debug(
+                    "Handling batch collection instruction: {}".format(line))
+                Designs(command_arr[1], download_dir).download()
+                continue
+            logging.warning("Unable to parse current instruction. Skipping.")
+
 
 def main():
     """ Entry point for script being run as a command. """
     parser = argparse.ArgumentParser()
-    parser.add_argument("-v", "--verbose", help="Be more verbose", action="store_true")
-    subparsers = parser.add_subparsers(help="Type of thing to download", dest="subcommand")
-    collection_parser = subparsers.add_parser('collection', help="Download an entire collection")
-    collection_parser.add_argument("owner", help="The owner of the collection to get")
-    collection_parser.add_argument("collection", help="The name of the collection to get")
-    thing_parser = subparsers.add_parser('thing', help="Download a single thing.")
-    thing_parser.add_argument("thing", help="Thing ID to download")
-    user_parser = subparsers.add_parser("user", help="Download all things by a user")
-    user_parser.add_argument("user", help="The user to get the designs of")
+    parser.add_argument("-l", "--log-level", choices=[
+                        'debug', 'info', 'warning'], default='info', help="level of logging desired")
+    parser.add_argument("-d", "--directory",
+                        help="Target directory to download into")
+    subparsers = parser.add_subparsers(
+        help="Type of thing to download", dest="subcommand")
+    collection_parser = subparsers.add_parser(
+        'collection', help="Download one or more entire collection(s)")
+    collection_parser.add_argument(
+        "owner", help="The owner of the collection(s) to get")
+    collection_parser.add_argument(
+        "collections", nargs="+",  help="Space seperated list of the name(s) of collection to get")
+    thing_parser = subparsers.add_parser(
+        'thing', help="Download a single thing.")
+    thing_parser.add_argument("things", nargs="*", help="Space seperated list of thing ID(s) to download")
+    user_parser = subparsers.add_parser(
+        "user",  help="Download all things by one or more users")
+    user_parser.add_argument("users", nargs="+", help="A space seperated list of the user(s) to get the designs of")
+    batch_parser = subparsers.add_parser(
+        "batch", help="Perform multiple actions written in a text file")
+    batch_parser.add_argument(
+        "batch_file", help="The name of the file to read.")
+    subparsers.add_parser("version", help="Show the current version")
 
     args = parser.parse_args()
     if not args.subcommand:
         parser.print_help()
         sys.exit(1)
-    global VERBOSE
-    VERBOSE = args.verbose
+    if not args.directory:
+        args.directory = os.getcwd()
+    logging.basicConfig(level=getattr(logging, args.log_level.upper()))
+
     if args.subcommand.startswith("collection"):
-        collection = Collection(args.owner, args.collection)
-        print(collection.get())
-        collection.download()
+        for collection in args.collections:
+            Collection(args.owner, collection, args.directory).download()
     if args.subcommand == "thing":
-        Thing(args.thing).download(os.getcwd())
+        for thing in args.things:
+            Thing(thing).download(args.directory)
     if args.subcommand == "user":
-        designs = Designs(args.user)
-        print(designs.get())
-        designs.download()
-
+        for user in args.users:
+            Designs(user, args.directory).download()
+    if args.subcommand == "version":
+        print("thingy_grabber.py version {}".format(VERSION))
+    if args.subcommand == "batch":
+        do_batch(args.batch_file, args.directory)
 
 
 if __name__ == "__main__":