Add after date command flag

main.py

@@ -25,7 +25,9 @@ def main():
     parser = argparse.ArgumentParser()
     parser.add_argument("itemId", nargs='?', default=None, help="Item ID to download, use 0 for root")
     parser.add_argument("localDirectory", nargs='?', default='.', help="Local path of the item")
-    parser.add_argument("-y", "--yes", help="skip confirmation dialogue", action="store_true")
+    parser.add_argument('-a', '--after', default='0', help='Only sync items after the specified date, compared by '
+                                                           'simple string comparison against such as '
+                                                           '"2019-12-25T17:45:45-07:00"')
     args = parser.parse_args()
 
     client = Client(init_oauth())
@@ -45,7 +47,7 @@ def main():
 
     threads = []
     interrupt_flag = {'exit': False}
-    worker_object = Worker(q, client, settings.get('blacklist', []), interrupt_flag)
+    worker_object = Worker(q, client, settings.get('blacklist', []), interrupt_flag, args.after)
 
     thread_count = settings.get('thread_count', 4)
     logging.info('Launching %s threads', thread_count)

src/worker.py

@@ -26,11 +26,12 @@ def human_readable_bytes(b):
 
 
 class Worker:
-    def __init__(self, queue, client: Client, blacklist, interrupt_flag):
+    def __init__(self, queue, client: Client, blacklist, interrupt_flag, after_date):
         self.queue = queue
         self.client = client
         self.blacklist = blacklist or []
         self.interrupt_flag = interrupt_flag
+        self.after_date = after_date
         self.downloaded = set()
         self.errors = []
 
@@ -52,7 +53,7 @@ class Worker:
     def do_folder(self, job: Job):
         try:
             logging.info('Fetching folder [%s]', job.remote_path)
-            children = job.box_item.get_items(limit=5000, fields=['name', 'id', 'size', 'modified_at', 'path_collection'])
+            children = list(job.box_item.get_items(limit=5000, fields=['name', 'id', 'size', 'modified_at', 'path_collection']))
         except Exception as e:
             logging.error('Fail to ls [%s]: %s: %s', job.remote_path, type(e).__name__, e)
             self.errors.append(job.remote_path)
@@ -60,6 +61,8 @@ class Worker:
 
         try:
             for child in children:
+                if child.modified_at < self.after_date:
+                    continue
                 self.queue.put(Job(child, job.local_path / child.name))
         except Exception as e:
             logging.error(