[DoctorOhh]

Originally Posted by kovidgoyal

@dwannthny: I looked at the long filename issue, and I think I have it fixed for adding books from the device to calibre, however, for reading metadata I'm going to need some more info from you, as I dont really see why the long filename should matter for reading metadata and I cannot reproduce with my device.

Could you do the following:

6) After calibre has finished scanning the device, quit calibre and post the debug log

Here you go.

The odd duck with ValueError: No ebook found in ZIP archive as the error is actually on a book that opens fine.

Spoiler:

calibre Debug log
calibre 0.8.69
Windows-7-6.1.7601-SP1
Windows
('Windows', '7', '6.1.7601')
Python 2.7.3
Windows: ('7', '6.1.7601', 'SP1', 'Multiprocessor Free')
Starting up...
Started up in 12.07 seconds with 9566 books
SMART_DEV (   0.01:  0.013) startup_on_demand All IP addresses {'{E29AC6C2-7037-11DE-816D-806E6F6E6963}': [{'broadcast': '127.255.255.255', 'netmask': '255.0.0.0', 'addr': '127.0.0.1'}], '{8984971B-C44F-4FCF-BBB1-1A2D3B91E461}': [{'broadcast': '10.80.201.255', 'netmask': '255.255.254.0', 'addr': '10.80.201.136'}]}
SMART_DEV (   0.10:  0.002) _attach_to_port try ip address "" on port 14137
SMART_DEV (   0.93:  0.803) startup_on_demand listening on port 14137
SMART_DEV (   0.96:  0.001) _attach_to_port try ip address "" on port 54982
SMART_DEV (   1.01:  0.020) _attach_to_port socket error on port 54982
SMART_DEV (   1.05:  0.000) _attach_to_port try ip address "" on port 48123
SMART_DEV (   1.08:  0.000) startup_on_demand broadcast socket listening on port 48123
Job: 1 Get device information started
DeviceJob: 1 Get device information done, calling callback
DeviceJob: 1 Get device information callback returned
Job: 2 Get list of books on device started
MTP: Loading filesystem metadata...
Job: 1 Get device information finished
No details available.

MTP: Read metadata for Internal storage/Books/Calibre_Companion/Kean, Sam/The Disappearing Spoon_ And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements-Sam Kean.epub
Failed to read metadata from Internal storage/Books/Calibre_Companion/Kaufmann, Julie/The Ultimate Rice Cooker Cookbook_ 250 No-Fail Recipes for Pilafs, Risottos, Polenta, Chilis, Soups, Porridges, Puddings and More, from Start to Finish in Your Rice Cooker-Beth Hensperger & Julie Kaufmann.epub
Traceback (most recent call last):
  File "site-packages\calibre\devices\mtp\driver.py", line 194, in books
  File "site-packages\calibre\devices\mtp\driver.py", line 219, in read_file_metadata
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 33, in check_thread
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 328, in get_mtp_file
TypeError: not all arguments converted during string formatting


MTP: Read metadata for Internal storage/Books/Calibre_Companion/Davidson, Diane Mott/Goldy Culinary Mysteries-03.00-Cereal Murders-Diane Mott Davidson.epub
Failed to read metadata from Internal storage/Books/Calibre_Companion/David, Peter & Decandido, Keith R. A. & Golden, Chri& Carey, Diane & Wright, Susan & Greenberger, Robert/Star Trek_ Gateways-07.00-Whayond-Peter David & Keith R. A. Decandido & Christie Golden & Diane Carey & Susan Wright & Robert Greenberger.epub
Traceback (most recent call last):
  File "site-packages\calibre\devices\mtp\driver.py", line 194, in books
  File "site-packages\calibre\devices\mtp\driver.py", line 219, in read_file_metadata
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 33, in check_thread
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 328, in get_mtp_file
TypeError: not all arguments converted during string formatting


MTP: Read metadata for Internal storage/Books/Calibre_Companion/GOLDEN, CHRISTOPHER/The Lost Slayer-02.00-The Dark Times-Christopher Golden.epub
Failed to read metadata from Internal storage/Books/Calibre_Companion/Governo, Edgar & Seidman, Brian & Foster, Aimee Ford & Johnson, Jim & Smith, Dean/Star Trek_ Strange New Worlds-10.00-Strange New Worlds X-Edgar Governo & Brian Seidman & Aimee Ford Foster & Jim Johnson & Dean Smith.epub
Traceback (most recent call last):
  File "site-packages\calibre\devices\mtp\driver.py", line 194, in books
  File "site-packages\calibre\devices\mtp\driver.py", line 219, in read_file_metadata
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 33, in check_thread
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 328, in get_mtp_file
TypeError: not all arguments converted during string formatting


MTP: Read metadata for Internal storage/Books/Calibre_Companion/Duane, Diane/Star Trek_ Rihannsu-02.00-The Romulan Way-Diane Duane & Peter Morwood.epub
Traceback (most recent call last):
  File "site-packages\calibre\customize\ui.py", line 312, in get_file_type_metadata
  File "site-packages\calibre\customize\builtins.py", line 415, in get_metadata
  File "site-packages\calibre\ebooks\metadata\zip.py", line 40, in get_metadata
ValueError: No ebook found in ZIP archive


MTP: Read metadata for Internal storage/Books/Calibre_Companion/Various/Pulp Magazine Samplers-05.00-Thrilling Detective Sampler 3-Joe Archibald & John L. Benton & Benton Braden & Ted Coughlan & J. S. Endicott & Frank Johnson & C. S. Montanye & Edward Ronns & Hal K. Wells.epub
Failed to read metadata from Internal storage/Books/Calibre_Companion/Various/Pulp Magazine Samplers-04.00-Thrilling Detective Sampler 2-Joe Archibald & Benton Braden & Arthur J. Burks & Fenton W. Earnshaw & Frank Johnson & Sam Jr. Merwin & C. S. Montanye & Edward Ronns & Paul Roycroft & Edward S. Sullivan.epub
Traceback (most recent call last):
  File "site-packages\calibre\devices\mtp\driver.py", line 194, in books
  File "site-packages\calibre\devices\mtp\driver.py", line 219, in read_file_metadata
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 33, in check_thread
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 328, in get_mtp_file
TypeError: not all arguments converted during string formatting


MTP: Read metadata for Internal storage/Books/Calibre_Companion/Various/Star Trek_ Typhon Pact-02.00-Seize the Fire-Michael A. Martin.epub
Failed to read metadata from Internal storage/Books/Calibre_Companion/Vaus/Pulp Magazine Samplers-01.00-Mammoth Detective Sampler-G.T. Fleming-Roberts & Thomas Thursday & Dale Clark & Leroyn & Berna Morris & Merle Constiner & William Lawrence Hamling & Leonard Finley Hilts & George B. Anderson & Paul W. Fairman.epub
Traceback (most recent call last):
  File "site-packages\calibre\devices\mtp\driver.py", line 194, in books
  File "site-packages\calibre\devices\mtp\driver.py", line 219, in read_file_metadata
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 33, in check_thread
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 328, in get_mtp_file
TypeError: not all arguments converted during string formatting


MTP: Read metadata for Internal storage/Books/Calibre_Companion/Various/Star Trek_ Typhon Pact-04.00-Paths of Disharmony-Dayton Ward.epub
Failed to read metadata from Internal storage/Books/Calibre_Companion/Varous/Pulp Magazine Samplers-18.00-Secret Agent Sampler-Richard B. Sale & Anthony Clememan A. Daniels & Emile C. Tepperman & Richard L. Hobart & Vaughn Bryant & David X. Manners & James Perley Hughes & Maitland Scott & Charles Marquis Warren.epub
Traceback (most recent call last):
  File "site-packages\calibre\devices\mtp\driver.py", line 194, in books
  File "site-packages\calibre\devices\mtp\driver.py", line 219, in read_file_metadata
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 33, in check_thread
  File "site-packages\calibre\devices\mtp\windows\driver.py", line 328, in get_mtp_file
TypeError: not all arguments converted during string formatting