[How to remove DRM from Epub] Unable to open Epub: "Book is Locked by DRM"

CheckList

[x ] The Title and The Log Title are setted correctly.
[x ] Clarified about my environment.
[x ] Code block is used for the log.

Book is Locked by DRM

My Environment

Calibre: `7.20.0`

DeDRM: `7.2.1`

Log

Log Title

```log ApplicationPaletteChange event ignored Using calibre Qt style: True calibre Journal de débogage calibre 7.20 embedded-python: True Linux-6.9.3-76060903-generic-x86_64-with-glibc2.35 Linux ('64bit', 'ELF') ('Linux', '6.9.3-76060903-generic', '#202405300957~1718348209~22.04~7817b67 SMP PREEMPT_DYNAMIC Mon J') Python 3.11.5 Interface language: fr EXE path: /opt/calibre/bin/calibre-debug Successfully initialized third party plugins: DeDRM (7, 2, 1) calibre 7.20 embedded-python: True Linux-6.9.3-76060903-generic-x86_64-with-glibc2.35 Linux ('64bit', 'ELF') ('Linux', '6.9.3-76060903-generic', '#202405300957~1718348209~22.04~7817b67 SMP PREEMPT_DYNAMIC Mon J') Python 3.11.5 Interface language: fr EXE path: /opt/calibre/bin/calibre-debug Successfully initialized third party plugins: DeDRM (7, 2, 1) QPA platform: xcb devicePixelRatio: 1.0 logicalDpi: 96.0 x 96.0 physicalDpi: 141.7674418604651 x 141.4020618556701 [0.00] Starting up... [0.00] Showing splash screen... [1.09] splash screen shown [1.09] Initializing db... [1.12] db initialized [1.12] Constructing main UI... [1.49] GUI main window shown [1.51] main UI initialized... [1.51] Hiding splash screen [1.51] splash screen hidden [1.51] Started up in 1.51 seconds with 1 books DeDRM v7.2.1: Trying to decrypt Architecture logicielle propre.epub DeDRM v7.2.1: Verifying zip archive integrity DeDRM v7.2.1: “Architecture logicielle propre.epub” is neither an Adobe Adept nor a Barnes & Noble encrypted ePub Running file type plugin DeDRM failed with traceback: Traceback (most recent call last): File "calibre/customize/ui.py", line 201, in _run_filetype_plugins File "calibre_plugins.dedrm.__init__", line 644, in run decrypted_ebook = self.ePubDecrypt(path_to_ebook) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "calibre_plugins.dedrm.__init__", line 420, in ePubDecrypt raise DeDRMError("{0} v{1}: Couldn't decrypt after {2:.1f} seconds. DRM free perhaps?".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)) calibre_plugins.dedrm.DeDRMError: DeDRM v7.2.1: Couldn't decrypt after 0.1 seconds. DRM free perhaps? ['zenity', '--modal', '--file-selection', '--title=Livres sélectionnés', '--separator=\n', '--attach=98566170', '--filename=/home/zoe-pop/Téléchargements/Telegram Desktop/.fgdfg.gdfhjdhf*&^839', '--file-filter=Livres | *.lrf *.rtf *.lit *.txt *.txtz *.text *.htm *.xhtm *.html *.htmlz *.xhtml *.pdf *.pdb *.updb *.pdr *.prc *.mobi *.azw *.doc *.epub *.fb2 *.fbz *.djv *.djvu *.lrx *.cbr *.cb7 *.cbz *.cbc *.oebzip *.rb *.imp *.odt *.chm *.tpz *.azw1 *.pml *.pmlz *.mbp *.tan *.snb *.xps *.oxps *.azw4 *.book *.zbf *.pobi *.docx *.docm *.md *.textile *.markdown *.ibook *.ibooks *.iba *.azw3 *.ps *.kepub *.kfx *.kpf', '--file-filter=Livres EPUB | *.epub *.kepub', '--file-filter=Livres Kindle | *.mobi *.prc *.azw *.azw3 *.kfx *.tpz *.azw1 *.azw4', '--file-filter=Livres PDF | *.pdf *.azw4', '--file-filter=Livres HTML | *.htm *.html *.xhtm *.xhtml', '--file-filter=Livres LIT | *.lit', '--file-filter=Livres texte | *.txt *.text *.rtf *.md *.markdown *.textile *.txtz', '--file-filter=Bandes Dessinées | *.cbz *.cbr *.cbc *.cb7', '--file-filter=Archives | *.zip *.rar *.7z', '--file-filter=Fichiers du traitement de texte | *.odt *.doc *.docx', '--file-filter=Tous les fichiers | *', '--multiple'] Added Architecture logicielle propre to db in: 0.1 Added 1 books in 0.7 seconds Path override failed for key base::DIR_APP_DICTIONARIES and path '/opt/calibre/bin/qtwebengine_dictionaries' Path override failed for key base::DIR_APP_DICTIONARIES and path '/opt/calibre/libexec/qtwebengine_dictionaries' Path override failed for key base::DIR_APP_DICTIONARIES and path '/opt/calibre/libexec/qtwebengine_dictionaries' Worker Launch took: 0.00 seconds ```

apprenticeharper / DeDRM_tools