Adding timewarp script used to adjust upload dates in bulk. Very much geared toward solving the problem at hand.

timewarp.py

@@ -0,0 +1,78 @@
+from __future__ import print_function
+
+import argparse
+import json
+import sys
+from os.path import expanduser
+
+import flickrapi
+
+
+class TimeWarper(object):
+
+    def __init__(self, sysargs=sys.argv[:]):
+        self.sysargs = sysargs
+        parser = argparse.ArgumentParser()
+        parser.add_argument('min_upload_date')
+        parser.add_argument('max_upload_date')
+        parser.add_argument('set_to_date')
+
+        parser.add_argument(
+            '-c', '--rcfile', default=expanduser('~/.frupplerc'),
+            type=argparse.FileType('r')
+        )
+
+        self.args = parser.parse_args(self.sysargs[1:])
+        self._rc_conf = json.load(self.args.rcfile)
+
+        self.flickr = flickrapi.FlickrAPI(
+            self._rc_conf['APIKEY'], self._rc_conf['APISECRET']
+        )
+
+        token, frob = self.flickr.get_token_part_one(perms='write')
+        if not token:
+            raw_input("Press ENTER after you authorized this program")
+
+        self.flickr.get_token_part_two((token, frob))
+
+    def set_upload_date_for_photos(self, pagenum, photo_nodes, to_date):
+        for i, photo in enumerate(photo_nodes):
+            setdate_response = self.flickr.photos_setDates(
+                photo_id=photo.attrib['id'],
+                date_posted=to_date
+            )
+            print('page {} photo {}: rsp={}, attribs={}'.format(
+                  pagenum, i, setdate_response, setdate_response.attrib))
+
+    def run(self):
+        query_args = dict(
+            user_id='me',
+            min_upload_date=self.args.min_upload_date,
+            max_upload_date=self.args.max_upload_date,
+            page=1
+        )
+
+        print('Getting first page')
+        firstpage = self.flickr.photos_search(**query_args)
+        self.set_upload_date_for_photos(
+            1,
+            firstpage.getchildren()[0].getchildren(),
+            self.args.set_to_date
+        )
+
+        npages = int(firstpage.getchildren()[0].attrib['pages'])
+
+        for pagenum in range(1, npages + 1):
+            print('Getting another page')
+            page = self.flickr.photos_search(**query_args)
+            self.set_upload_date_for_photos(
+                pagenum,
+                page.getchildren()[0].getchildren(),
+                self.args.set_to_date
+            )
+
+        return 0
+
+
+if __name__ == '__main__':
+    sys.exit(TimeWarper().run())