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This is very strange. I have been using (and supporting) Calibre for at least eight years, and using it with this phone and this SD card for over a year without any problem. Did a recent update to Calibre cause this?
I went ahead and moved my ebook files to the main memory (using up a substantial part of the available memory!), reformatted the SD card, and with the card still out, Calibre would communicate with it and list the files in main memory. I tried to "Configure this device" to ignore the SD card, but unless the card is inserted, there doesn't seem to be a way to do that; and if I reinsert the card and try to "Configure this device" I get "ThreadingViolation:You cannot use the MTP driver from a thread other than the thread in which startup() was called." Of course I have no idea what that means. The full error:
calibre, version 5.34.0
ERROR: Unhandled exception: <b>ThreadingViolation</b>:You cannot use the MTP driver from a thread other than the thread in which startup() was called
calibre 5.34 [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) && Kobo Utilities (2, 15, 1) && Overdrive Link (2, 50, 0) && Resize Cover (1, 1, 0) && Overdrive Link* (2, 50, 0)
Traceback (most recent call last):
File "calibre\gui2\device_drivers\mtp_config.py", line 434, in change_ignored_folders
File "calibre\gui2\device_drivers\mtp_folder_browser.py ", line 119, in __init__
File "calibre\devices\mtp\windows\driver.py", line 257, in filesystem_cache
File "calibre\devices\mtp\windows\driver.py", line 35, in check_thread
calibre.devices.mtp.windows.driver.ThreadingViolat ion: You cannot use the MTP driver from a thread other than the thread in which startup() was called
Is there no way to get it to just ignore the card? Are you saying that after all these years, I will have to stop using Calibre? Of course using my smartphone without an SD card is not a reasonable option.
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