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Old 08-12-2019, 02:12 PM   #1
Terisa de morgan
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Exception at calibre start-up

Hi,

I have a library that, sometimes, when calibre starts, throws this exception: "TypeError: QAction(): arguments did not match any overloaded call"

Spoiler:
calibre, version 3.46.0
ERROR: Excepción no considerada: <b>TypeError</b>:QAction(): arguments did not match any overloaded call:
overload 1: argument 1 has unexpected type 'unicode'
overload 2: not enough arguments
overload 3: argument 1 has unexpected type 'unicode'

calibre 3.46 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.18362-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.18362')
Python 2.7.15+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: es
Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (1, 17, 1) && DeDRM (6, 6, 1) && Package KFX (from KFX Input) (1, 17, 1) && Extract ToCs (1, 0, 0) && Ex Libris (1, 0, 20) && Overdrive Link (2, 33, 0) && Virtual Library Switcher (1, 0, 0) && Reading List (1, 6, 6) && KoboTouchExtended (3, 1, 5) && Goodreads Sync (1, 12, 10) && Search The Internet (1, 7, 6) && NormComment (0, 0, 2) && User Category (1, 5, 3) && Save Composite Custom Columns (1, 1, 0) && Kobo Books (1, 7, 0) && KFX metadata reader (from KFX Input) (1, 17, 1) && KFX Input (1, 17, 1) && GetFileName (0, 0, 13) && EpubSplit (2, 7, 0) && Favourites Menu (1, 0, 4) && Goodreads (1, 4, 0) && SmartEject (2, 2, 0) && KindleUnpack - The Plugin (0, 81, 5) && Quality Check (1, 9, 11) && Kobo Utilities (2, 8, 1) && Search Switcher (1, 0, 0) && EpubMerge (2, 5, 0) && Annotations (1, 9, 3) && Modify ePub (1, 4, 4) && View Manager (1, 4, 3) && Diaps Editing Toolbag (0, 3, 5) && Edit Columns (0, 0, 1) && JS_Editor_Tools (0, 2, 18) && My Tools (0, 0, 37) && FictionDB (1, 2, 0) && Extract ISBN (1, 4, 5) && Clean Comments (0, 0, 4) && Owned Books Goodreads (0, 0, 6) && Generate Cover (1, 5, 21) && Barnes & Noble (1, 2, 15) && Import List (1, 4, 0) && Count Pages (1, 8, 2) && Find Duplicates (1, 6, 4) && Smashwords Metadata (1, 0, 0) && Fantastic Fiction (1, 3, 0) && GoodreadsAuthor (0, 0, 1) && Overdrive Link* (2, 33, 0)
Traceback (most recent call last):
File "calibre_plugins.search_switcher.ui", line 57, in about_to_show_menu
TypeError: QAction(): arguments did not match any overloaded call:
overload 1: argument 1 has unexpected type 'unicode'
overload 2: not enough arguments
overload 3: argument 1 has unexpected type 'unicode'


and calibre ends. The next time it starts there is no problem. It only happens in a specific library (I have more than 10 with the same plugins, although not the same virtual libraries or views).

I don't know what to look at.
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Old 08-12-2019, 02:54 PM   #2
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any special characters in that Library name (that are not in the others). ASCII PATHS are the most robust
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Old 08-12-2019, 05:26 PM   #3
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Some of those plugins have library specific settings that are reflected in the drop down menu list (Actions) - e.g. View Manager list views by name, and they are library specific.

Aside: I also notice you have plugins named NormComment (0.0.2) and Clean Comment (0.0.4) - are they the same thing?

Added : try starting with the --ignore-plugins switch; if its OK, its a plugin issue, otherwise its not.

BR

Last edited by BetterRed; 08-12-2019 at 09:20 PM.
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Old 08-12-2019, 09:37 PM   #4
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Quote:
Originally Posted by Terisa de morgan View Post
Hi,

I have a library that, sometimes, when calibre starts, throws this exception: "TypeError: QAction(): arguments did not match any overloaded call"

Spoiler:
calibre, version 3.46.0
ERROR: Excepción no considerada: <b>TypeError</b>:QAction(): arguments did not match any overloaded call:
overload 1: argument 1 has unexpected type 'unicode'
overload 2: not enough arguments
overload 3: argument 1 has unexpected type 'unicode'

calibre 3.46 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.18362-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.18362')
Python 2.7.15+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: es
Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (1, 17, 1) && DeDRM (6, 6, 1) && Package KFX (from KFX Input) (1, 17, 1) && Extract ToCs (1, 0, 0) && Ex Libris (1, 0, 20) && Overdrive Link (2, 33, 0) && Virtual Library Switcher (1, 0, 0) && Reading List (1, 6, 6) && KoboTouchExtended (3, 1, 5) && Goodreads Sync (1, 12, 10) && Search The Internet (1, 7, 6) && NormComment (0, 0, 2) && User Category (1, 5, 3) && Save Composite Custom Columns (1, 1, 0) && Kobo Books (1, 7, 0) && KFX metadata reader (from KFX Input) (1, 17, 1) && KFX Input (1, 17, 1) && GetFileName (0, 0, 13) && EpubSplit (2, 7, 0) && Favourites Menu (1, 0, 4) && Goodreads (1, 4, 0) && SmartEject (2, 2, 0) && KindleUnpack - The Plugin (0, 81, 5) && Quality Check (1, 9, 11) && Kobo Utilities (2, 8, 1) && Search Switcher (1, 0, 0) && EpubMerge (2, 5, 0) && Annotations (1, 9, 3) && Modify ePub (1, 4, 4) && View Manager (1, 4, 3) && Diaps Editing Toolbag (0, 3, 5) && Edit Columns (0, 0, 1) && JS_Editor_Tools (0, 2, 18) && My Tools (0, 0, 37) && FictionDB (1, 2, 0) && Extract ISBN (1, 4, 5) && Clean Comments (0, 0, 4) && Owned Books Goodreads (0, 0, 6) && Generate Cover (1, 5, 21) && Barnes & Noble (1, 2, 15) && Import List (1, 4, 0) && Count Pages (1, 8, 2) && Find Duplicates (1, 6, 4) && Smashwords Metadata (1, 0, 0) && Fantastic Fiction (1, 3, 0) && GoodreadsAuthor (0, 0, 1) && Overdrive Link* (2, 33, 0)
Traceback (most recent call last):
File "calibre_plugins.search_switcher.ui", line 57, in about_to_show_menu
TypeError: QAction(): arguments did not match any overloaded call:
overload 1: argument 1 has unexpected type 'unicode'
overload 2: not enough arguments
overload 3: argument 1 has unexpected type 'unicode'


and calibre ends. The next time it starts there is no problem. It only happens in a specific library (I have more than 10 with the same plugins, although not the same virtual libraries or views).

I don't know what to look at.
The highlighted line is were the error is happening. It looks like it is a plugin called "Search Switcher". In a method called "about_to_show_menu". I don't recognise the plugin name, but, that method is usually something that builds the menu for the plugin. I'd say that the problem is that something is producing an unicode string instead of whatever was there before. With the recent work for Python 3 compatibility, there have been a few of these. Without being able to see the plugin code, I could only guess that there is something in the plugins configuration that is causing the problem. If "Search Switcher" is a quick way to swap between searches, then it could be that a search or title has some characters that the menu creation doesn't like.
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Old 08-13-2019, 02:47 AM   #5
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Maybe something to do with - Virtual Library Switcher (1, 0, 0), which I assume is a TdeM special.

BR
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Old 08-13-2019, 03:43 AM   #6
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Thank you, I'll check, I don't understand why a library called "Bingo" should give me a problem but I'll check all your options (mainly trying to identify which the plugin is). BTW, yes, I know my plugin collection is a mess but it's miiiiine
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Old 08-13-2019, 03:49 AM   #7
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AutoCopy tripped me up, I searched for search_switcher

BR
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Old 08-13-2019, 03:55 AM   #8
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Quote:
Originally Posted by BetterRed View Post
Maybe something to do with - Virtual Library Switcher (1, 0, 0), which I assume is a TdeM special.

BR
The name is a bit misleading.... It allows you to add the saved searches to the book menu. Thank you for the hint. It's something related to the searches, because the searches menu doesn't appear in the right zone (I don't remember the name, where the tags are), and the exception appears when the mouse hover over the searches in the book menu.

EDIT: Thank you, problem solved: the plugin doesn't handle well when there is no saved search.
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Old 08-13-2019, 04:40 AM   #9
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Quote:
Originally Posted by Terisa de morgan View Post
(I don't remember the name, where the tags are)
I call it the Cat(egory) Tree, but most folks refer to it as the Tag Browser

BR
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Old 08-13-2019, 05:15 AM   #10
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Quote:
Originally Posted by BetterRed View Post
I call it the Cat(egory) Tree, but most folks refer to it as the Tag Browser

BR
That! And yes, I think the problem is the number of saved searches (0). BTW, this plugin allows me to use the searches with the keyboard, what I wanted.
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Old 08-13-2019, 08:25 AM   #11
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BTW, thank you for your comments and sorry for having brought here a problem created by my own... but I had forgotten about this plugin (that it's previous to the changes to the libraries that allow to include them in the book context menu).
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