DRM not removed- Not a ZIP file

[shreyansz]

Calibre 5.14, DeDRM 7.1

calibre, version 5.14.0
ERROR: Loading book failed: Failed to open the book at /home/shreyans/Calibre Library/Unknown/517 Law of Crimesaaapng (1)/517 Law of Crimesaaapng - Unknown.epub. Click "Show details" for more info.

Failed to convert book: /home/shreyans/Calibre Library/Unknown/517 Law of Crimesaaapng (1)/517 Law of Crimesaaapng - Unknown.epub with error:
DeDRM v7.1.0: Trying to decrypt 517 Law of Crimesaaapng - Unknown.epub
DeDRM v7.1.0: Verifying zip archive integrity
DeDRM v7.1.0: Error 'File is not a zip file' when checking zip archive
InputFormatPlugin: EPUB Input running
on /home/shreyans/Calibre Library/Unknown/517 Law of Crimesaaapng (1)/517 Law of Crimesaaapng - Unknown.epub
EPUB appears to be invalid ZIP file, trying a more forgiving ZIP parser
Failed to run pipe worker with command: from calibre.srv.render_book import viewer_main; viewer_main()
Traceback (most recent call last):
File "calibre/ebooks/metadata/epub.py", line 161, in get_zip_reader
File "calibre/utils/zipfile.py", line 775, in init
File "calibre/utils/zipfile.py", line 810, in _GetContents
File "calibre/utils/zipfile.py", line 825, in _RealGetContents
calibre.utils.zipfile.BadZipfile: File is not a zip file

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "calibre/customize/ui.py", line 428, in get_file_type_metadata
File "calibre/customize/builtins.py", line 198, in get_metadata
File "calibre/ebooks/metadata/epub.py", line 238, in get_quick_metadata
File "calibre/ebooks/metadata/epub.py", line 217, in get_metadata
File "calibre/ebooks/metadata/epub.py", line 164, in get_zip_reader
File "calibre/utils/localunzip.py", line 264, in init
File "calibre/utils/localunzip.py", line 240, in _extractall
ValueError: Not a ZIP file
Running file type plugin DeDRM failed with traceback:
Traceback (most recent call last):
File "calibre_plugins.dedrm.init", line 208, in ePubDecrypt
fr = zipfix.fixZip(path_to_ebook, inf.name)
File "calibre_plugins.dedrm.zipfix", line 53, in init
self.inzip = zipfilerugged.ZipFile(zinput,'r')
File "/tmp/calibre_5.14.0_tmp_jtefa2ye/zsixhfa2plugin_unzip/zipfilerugged.py", line 683, in init
self._GetContents()
File "/tmp/calibre_5.14.0_tmp_jtefa2ye/zsixhfa2plugin_unzip/zipfilerugged.py", line 709, in _GetContents
self._RealGetContents()
File "/tmp/calibre_5.14.0_tmp_jtefa2ye/zsixhfa2plugin_unzip/zipfilerugged.py", line 721, in _RealGetContents
raise BadZipfile("File is not a zip file")
zipfilerugged.BadZipfile: File is not a zip file

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "calibre/customize/ui.py", line 172, in _run_filetype_plugins
File "calibre_plugins.dedrm.init", line 642, in run
decrypted_ebook = self.ePubDecrypt(path_to_ebook)
File "calibre_plugins.dedrm.init", line 212, in ePubDecrypt
raise Exception(e)
Exception: File is not a zip file
Traceback (most recent call last):
File "calibre/ebooks/conversion/plugins/epub_input.py", line 262, in convert
File "calibre/utils/zipfile.py", line 775, in init
File "calibre/utils/zipfile.py", line 810, in _GetContents
File "calibre/utils/zipfile.py", line 825, in _RealGetContents
calibre.utils.zipfile.BadZipfile: File is not a zip file

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "runpy.py", line 194, in _run_module_as_main
File "runpy.py", line 87, in _run_code
File "site.py", line 45, in
File "site.py", line 41, in main
File "calibre/utils/ipc/worker.py", line 197, in main
File "", line 1, in
File "calibre/srv/render_book.py", line 870, in viewer_main
File "calibre/srv/render_book.py", line 861, in render_for_viewer
File "calibre/srv/render_book.py", line 838, in render
File "calibre/ebooks/oeb/iterator/book.py", line 63, in extract_book
File "calibre/customize/conversion.py", line 245, in call
File "calibre/ebooks/conversion/plugins/epub_input.py", line 269, in convert
File "calibre/utils/localunzip.py", line 253, in extractall
File "calibre/utils/localunzip.py", line 240, in _extractall
ValueError: Not a ZIP file

[ElleKayEm]

DeDRM works with Adobe DRM epubs and (with some extra effort) B&N epubs.