updHEADmaster

1 files changed, 80 insertions, 0 deletions

diff --git a/dl-retronews.py b/dl-retronews.py
new file mode 100755
index 0000000..6ee4325
--- /dev/null
+++ b/dl-retronews.py
@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+
+import warnings
+warnings.filterwarnings("ignore", category=DeprecationWarning)
+
+import re
+import requests
+import logging
+
+from mdf import retronews
+from argparse import ArgumentParser
+
+
+
+if __name__ == '__main__':
+    parser = ArgumentParser()
+    parser.add_argument('--url', type=str, required=True)
+    parser.add_argument('--output', type=str, required=True,
+                        help='output directory')
+    parser.add_argument('--merge-threads', default=retronews.TILE_MERGING_POOL_SIZE, type=int)
+    parser.add_argument('--fetch-threads', default=retronews.PAGE_FETCHING_POOL_SIZE, type=int)
+    parser.add_argument('--continue-prev', action='store_true',
+                        help='keep scrapping backwards in time')
+    parser.add_argument('--continue-next', action='store_true',
+                        help='keep scrapping forwards in time')
+    parser.add_argument('--only-fetch', action='store_true',
+                        help='only fetch magazine tiles and exit, do not merge anything')
+    parser.add_argument('--force-overwrite', action='store_true',
+                        help='if file yyyy-mm-dd.pdf already exists, delete it and start over')
+    parser.add_argument('--force-probe', action='store_true',
+                        help='force all pages to use the \'probe\' method')
+    parser.add_argument('--fetch-probe-pages', nargs='+', type=int,
+                        help='force some pages to use the \'probe\' method, when count of vertical and horizontal tiles is unknown')
+
+    args = parser.parse_args()
+
+    with_continuation = args.continue_prev or args.continue_next
+    if args.fetch_probe_pages and with_continuation:
+        raise RuntimeError('--fetch-probe-pages cannot be used together with --continue-* options, it\'s a one time hack')
+    if args.only_fetch and with_continuation:
+        raise RuntimeError('--only-fetch cannot be used together with --continue-* options, it\'s a one time hack')
+
+    TILE_MERGING_POOL_SIZE = args.merge_threads
+    PAGE_FETCHING_POOL_SIZE = args.fetch_threads
+
+    url = args.url
+    while True:
+        print(f'grabbing {url}...')
+        if not retronews.grab_magazine(url,
+                                       output_root=args.output,
+                                       probe_pages=args.fetch_probe_pages,
+                                       probe_all=args.force_probe,
+                                       only_fetch=args.only_fetch,
+                                       force_overwrite=args.force_overwrite):
+            logging.error('failed to grab')
+            break
+
+        if not args.continue_prev and not args.continue_next:
+            break
+
+        r = requests.get(url)
+
+        try:
+            next_url = None
+            if args.continue_next:
+                next_url = re.search(r'<a class="float-right pt-4 text-secondary" href="([^"]+)">SUIVANT', r.text, re.S).groups()[0]
+            elif args.continue_prev:
+                next_url = re.search(r'<a class="float-left pt-4 text-secondary" href="([^"]+)"><i class="fa fa-chevron-left">\s+</i>\s+PRÉCÉDENT</a>', r.text, re.S).groups()[0]
+
+            if not next_url:
+                break
+
+            if next_url.startswith('/'):
+                next_url = f'https://www.retronews.fr{next_url}'
+
+            url = next_url
+
+        except:
+            print('error: failed to find previous link! exiting')
+            break