import error

kcarscadden · 10-08-2020, 09:56 PM

I'm attempting to import a library exported from a Windows 10 Calibre V4.20 to a Raspberry Pi Calibre v3.39.1. The import finished with the following error:

calibre, version 3.39.1
ERROR: Failed: Failed to import data. Click "Show Details" for more information.

Traceback (most recent call last):
File "/usr/lib/calibre/calibre/gui2/dialogs/exim.py", line 140, in run_action
self.action(abort=self.abort, progress1=self.update_overall_signal.emit, progress2=self.update_current_signal.emit)
File "/usr/lib/calibre/calibre/utils/exim.py", line 338, in import_data
import_library(library_key, importer, dest, progress=progress2, abort=abort).close()
File "/usr/lib/calibre/calibre/db/cache.py", line 2250, in import_library
cache._update_path((book_id,), mark_as_dirtied=False)
File "/usr/lib/calibre/calibre/db/cache.py", line 1113, in update_path
self.backend.update_path(book_id, title, author, self.fields['path'], self.fields['formats'])
File "/usr/lib/calibre/calibre/db/backend.py", line 1552, in update_path
source_ok = current_path and os.path.exists(spath)
File "/usr/lib/python2.7/genericpath.py", line 26, in exists
os.stat(path)
UnicodeEncodeError: 'latin-1' codec can't encode character u'\u2019' in position 55: ordinal not in range(256)

The database was imported along with about 300 of 5500 books. Is there any way to get passed this error?

Keith

kovidgoyal · 10-08-2020, 10:07 PM

Run archlinuxarm on your pi then you will have an up-to-date version of calibre and should be able to import fine.

kcarscadden · 10-09-2020, 08:53 AM

Thanks. I will try to install archlinuxarm;

Keith

kcarscadden · 10-09-2020, 08:56 PM

After looking at the install procedure for archlinuxarm on raspberry pi, I chickened out and tried Ubuntu Mate. While it is very pretty and easy to use, unfortunately, while Calibre installed, it crashed when opened.

So I tried archlinuxarm after all. While everything appeared to go smoothly on creating the sd card, it booted but then hung before getting very far.

Did you go with 32 bit or 64 bit? Any chance you could point to a good step by step to creating a bootable sd catd?

kovidgoyal · 10-09-2020, 10:13 PM

SOrry, I've never actually used it, I just know it has up-to-date versions of calibre.

DNSB · 10-09-2020, 11:41 PM

Quote:

Originally Posted by kcarscadden

After looking at the install procedure for archlinuxarm on raspberry pi, I chickened out and tried Ubuntu Mate. While it is very pretty and easy to use, unfortunately, while Calibre installed, it crashed when opened.

So I tried archlinuxarm after all. While everything appeared to go smoothly on creating the sd card, it booted but then hung before getting very far.

Did you go with 32 bit or 64 bit? Any chance you could point to a good step by step to creating a bootable sd catd?

Have you looked at the Raspberry Pi installation guide on the Arch Linux ARM site? Head to Platform Comparison and browse down to the Raspberry Pi variant you have.

The link to the Pi 4 installation guide is: Raspberry Pi 4 for example.

kcarscadden · 10-10-2020, 01:34 PM

Thanks David. I tried 64-bit before. I'll try 32-bit when I get a chance.

kcarscadden · 10-22-2020, 04:55 PM

OoooK, it's been a trial, but I got ArchLinux installed on my RPi 4 and updated, LXDE installed, Calibre 5.3 installed and all books (5,540 of them) imported to a library on a USB stick.

Calibre main program works, server works, edit metadata works ...

However, viewer gets the following error:

calibre, version 5.3.0
ERROR: Render process crashed: The Qt WebEngine Render process has crashed. You should try restarting the viewer.

And editing works in so far as editing is concerned, but it also gets essentially the same error:

calibre, version 5.3.0
ERROR: Render process crashed: The Qt WebEngine Render process has crashed so Preview/Live CSS will not work. You should try restarting the editor.

Any suggestions on how to proceed?

kovidgoyal · 10-23-2020, 12:18 AM

That will be because the GPU driver on the Pi is incapable of running chromium (Qt Webengine) that both the viewer and editor use to display html.

kcarscadden · 10-23-2020, 08:57 AM

Chromium itself works fine, except for DRMed streams.

Any other suggestions? Is there an error/log file to see?

kovidgoyal · 10-23-2020, 09:44 AM

Disable hardware acceleration as described here https://doc.qt.io/qt-5/qtwebengine-debugging.html

kcarscadden · 10-23-2020, 09:48 PM

Just for giggles, I installed Manjaro Linux - 64-bit on my Raspberry Pi. It is based on Arch Linux, but supposedly more stable. Calibre installed OK (v5.2. while Arch Linux was v5.3) and viewer and editor both worked fine.

However, it was slow and jerky at times, so maybe they disable GPU by default.

10-08-2020, 09:56 PM	#1
kcarscadden Zealot Posts: 141 Karma: 13776 Join Date: Jan 2007 Location: semi-north Ontario, Canada (N 45.41 W -79.67) Device: iPad Air 5, Samsung Galaxy S20 FE	import error I'm attempting to import a library exported from a Windows 10 Calibre V4.20 to a Raspberry Pi Calibre v3.39.1. The import finished with the following error: calibre, version 3.39.1 ERROR: Failed: Failed to import data. Click "Show Details" for more information. Traceback (most recent call last): File "/usr/lib/calibre/calibre/gui2/dialogs/exim.py", line 140, in run_action self.action(abort=self.abort, progress1=self.update_overall_signal.emit, progress2=self.update_current_signal.emit) File "/usr/lib/calibre/calibre/utils/exim.py", line 338, in import_data import_library(library_key, importer, dest, progress=progress2, abort=abort).close() File "/usr/lib/calibre/calibre/db/cache.py", line 2250, in import_library cache._update_path((book_id,), mark_as_dirtied=False) File "/usr/lib/calibre/calibre/db/cache.py", line 1113, in update_path self.backend.update_path(book_id, title, author, self.fields['path'], self.fields['formats']) File "/usr/lib/calibre/calibre/db/backend.py", line 1552, in update_path source_ok = current_path and os.path.exists(spath) File "/usr/lib/python2.7/genericpath.py", line 26, in exists os.stat(path) UnicodeEncodeError: 'latin-1' codec can't encode character u'\u2019' in position 55: ordinal not in range(256) The database was imported along with about 300 of 5500 books. Is there any way to get passed this error? Keith

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10-08-2020, 10:07 PM	#2
kovidgoyal creator of calibre Posts: 45,251 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Run archlinuxarm on your pi then you will have an up-to-date version of calibre and should be able to import fine.

10-09-2020, 08:53 AM	#3
kcarscadden Zealot Posts: 141 Karma: 13776 Join Date: Jan 2007 Location: semi-north Ontario, Canada (N 45.41 W -79.67) Device: iPad Air 5, Samsung Galaxy S20 FE	Thanks. I will try to install archlinuxarm; Keith

10-09-2020, 08:56 PM	#4
kcarscadden Zealot Posts: 141 Karma: 13776 Join Date: Jan 2007 Location: semi-north Ontario, Canada (N 45.41 W -79.67) Device: iPad Air 5, Samsung Galaxy S20 FE	After looking at the install procedure for archlinuxarm on raspberry pi, I chickened out and tried Ubuntu Mate. While it is very pretty and easy to use, unfortunately, while Calibre installed, it crashed when opened. So I tried archlinuxarm after all. While everything appeared to go smoothly on creating the sd card, it booted but then hung before getting very far. Did you go with 32 bit or 64 bit? Any chance you could point to a good step by step to creating a bootable sd catd?

10-09-2020, 10:13 PM	#5
kovidgoyal creator of calibre Posts: 45,251 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	SOrry, I've never actually used it, I just know it has up-to-date versions of calibre.

10-10-2020, 01:34 PM	#7
kcarscadden Zealot Posts: 141 Karma: 13776 Join Date: Jan 2007 Location: semi-north Ontario, Canada (N 45.41 W -79.67) Device: iPad Air 5, Samsung Galaxy S20 FE	Thanks David. I tried 64-bit before. I'll try 32-bit when I get a chance.

10-22-2020, 04:55 PM	#8
kcarscadden Zealot Posts: 141 Karma: 13776 Join Date: Jan 2007 Location: semi-north Ontario, Canada (N 45.41 W -79.67) Device: iPad Air 5, Samsung Galaxy S20 FE	OoooK, it's been a trial, but I got ArchLinux installed on my RPi 4 and updated, LXDE installed, Calibre 5.3 installed and all books (5,540 of them) imported to a library on a USB stick. Calibre main program works, server works, edit metadata works ... However, viewer gets the following error: calibre, version 5.3.0 ERROR: Render process crashed: The Qt WebEngine Render process has crashed. You should try restarting the viewer. And editing works in so far as editing is concerned, but it also gets essentially the same error: calibre, version 5.3.0 ERROR: Render process crashed: The Qt WebEngine Render process has crashed so Preview/Live CSS will not work. You should try restarting the editor. Any suggestions on how to proceed?

10-23-2020, 12:18 AM	#9
kovidgoyal creator of calibre Posts: 45,251 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	That will be because the GPU driver on the Pi is incapable of running chromium (Qt Webengine) that both the viewer and editor use to display html.

10-23-2020, 08:57 AM	#10
kcarscadden Zealot Posts: 141 Karma: 13776 Join Date: Jan 2007 Location: semi-north Ontario, Canada (N 45.41 W -79.67) Device: iPad Air 5, Samsung Galaxy S20 FE	Chromium itself works fine, except for DRMed streams. Any other suggestions? Is there an error/log file to see?

10-23-2020, 09:44 AM	#11
kovidgoyal creator of calibre Posts: 45,251 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Disable hardware acceleration as described here https://doc.qt.io/qt-5/qtwebengine-debugging.html

10-23-2020, 09:48 PM	#12
kcarscadden Zealot Posts: 141 Karma: 13776 Join Date: Jan 2007 Location: semi-north Ontario, Canada (N 45.41 W -79.67) Device: iPad Air 5, Samsung Galaxy S20 FE	Just for giggles, I installed Manjaro Linux - 64-bit on my Raspberry Pi. It is based on Arch Linux, but supposedly more stable. Calibre installed OK (v5.2. while Arch Linux was v5.3) and viewer and editor both worked fine. However, it was slow and jerky at times, so maybe they disable GPU by default.

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