[capink]

Originally Posted by ownedbycats

I have a chain that uses "copy to clipboard" using this template. Template tester gave me an error, but looking at it through the Action Chains UI it was okay except for double-slashes D:\\Documents\\My Books\\.

program: containing_folder()

It produces this error when I try to run it

calibre, version 5.23.0
ERROR: Unhandled exception: <b>TypeError</b>:expected str, bytes or os.PathLike object, not NoneType

calibre 5.23 [64bit]  embedded-python: True is64bit: True
Windows-10-10.0.19041 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.19041')
Python 3.8.5
Windows: ('10', '10.0.19041', '', 'Multiprocessor Free')
Interface language: None
Successfully initialized third party plugins: DeDRM (7, 2, 1) && Action Chains (1, 9, 2) && Audit Log (1, 0, 16) && Barnes & Noble (1, 2, 16) && Calibre Power Search Plugin (2, 1, 0) && Comments Cleaner (1, 3, 2) && Count Pages (1, 11, 0) && Embed Comic Metadata (1, 6, 1) && EpubCheck (0, 2, 3) && EpubMerge (2, 11, 0) && Extract ISBN (1, 5, 0) && FanFicFare (4, 3, 7) && Fantastic Fiction (1, 4, 0) && Favourites Menu (1, 0, 5) && Find Duplicates (1, 8, 8) && Generate Cover (2, 0, 2) && GetFileName (0, 1, 1) && Goodreads (1, 5, 1) && Import List (1, 5, 6) && Job Spy (1, 0, 190) && Kindle hi-res covers (0, 5, 0) && Kobo Books (1, 8, 2) && Kobo Utilities (2, 14, 0) && KoboTouchExtended (3, 4, 4) && Library Codes (1, 0, 50) && Manage Series (1, 2, 11) && Modify ePub (1, 6, 2) && Obok DeDRM (7, 2, 1) && Open With (1, 5, 13) && Overdrive Link (2, 45, 1) && Quality Check (1, 11, 2) && Reading List (1, 7, 6) && Search The Internet (1, 8, 1) && SmartEject (2, 3, 0) && Standard Ebooks (1, 0, 0) && Sum Column (0, 3, 1) && View Manager (1, 6, 1) && Walk Search History (1, 3, 2) && Overdrive Link* (2, 45, 1)
Traceback (most recent call last):
  File "calibre_plugins.action_chains.action", line 400, in run_chain
  File "calibre_plugins.action_chains.chains", line 391, in run
  File "calibre_plugins.action_chains.chains", line 206, in _run_loop
  File "calibre_plugins.action_chains.chains", line 183, in _run_loop
  File "calibre_plugins.action_chains.actions.copy_to_clipboard", line 212, in run
  File "calibre_plugins.action_chains.common_utils", line 807, in get_file_path
  File "ntpath.py", line 341, in expandvars
TypeError: expected str, bytes or os.PathLike object, not NoneType

How do I fix this?

This is probably an old chain predating a change made to additionally copy to a selected file. If you simply re-create the chain it should work. But I'd like to try the attached beta with your old chain.