Unable to convert

[kronos911]

ADE 2.0.1.78765 was used to download this book before import to Calibre

calibre, version 5.29.0 (win32, embedded-python: True)
Conversion error: Failed: Convert book 1 of 1 (>BOOK TITLE HERE<)

Convert book 1 of 1 (>BOOK TITLE HERE<)
DeDRM v7.2.1: Trying to decrypt hxdkeemw.pdf
DeDRM v7.2.1: hxdkeemw.pdf is a PDF ebook
DeDRM v7.2.1: Trying Encryption key default_key
error writing pdf: max() arg is an empty sequence
DeDRM v7.2.1: Failed to decrypt with key default_key after 0.1 seconds
DeDRM v7.2.1: Looking for new default Adobe Digital Editions Keys after 0.1 seconds
Found 1 keys
DeDRM v7.2.1: Trying a new default key
error writing pdf: max() arg is an empty sequence
DeDRM v7.2.1: Failed to decrypt with new default key after 0.1 seconds
DeDRM v7.2.1: Ultimately failed to decrypt after 0.1 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md
Conversion options changed from defaults:
verbose: 2
output_profile: 'generic_eink'
read_metadata_from_opf: 'C:\Users\USER\AppData\Local\Temp\calibre_oj99zy8a\1cbzxulj.opf'
remove_paragraph_spacing: True
Resolved conversion options
calibre version: 5.29.0
{'asciiize': False,
'author_sort': None,
'authors': None,
'base_font_size': 0.0,
'book_producer': None,
'change_justification': 'original',
'chapter': "//[((name()='h1' or name()='h2') and re:test(., "
"'\s((chapter|book|section|part)\s+)|((prolog|prologue|epilogue)(\s+|$))', "
"'i')) or @Class = 'chapter']",
'chapter_mark': 'pagebreak',
'comments': None,
'cover': None,
'debug_pipeline': None,
'dehyphenate': True,
'delete_blank_paragraphs': True,
'disable_font_rescaling': False,
'docx_custom_page_size': None,
'docx_no_cover': False,
'docx_no_toc': False,
'docx_page_margin_bottom': 72.0,
'docx_page_margin_left': 72.0,
'docx_page_margin_right': 72.0,
'docx_page_margin_top': 72.0,
'docx_page_size': 'letter',
'duplicate_links_in_toc': False,
'embed_all_fonts': False,
'embed_font_family': None,
'enable_heuristics': False,
'expand_css': False,
'extra_css': None,
'extract_to': None,
'filter_css': '',
'fix_indents': True,
'font_size_mapping': None,
'format_scene_breaks': True,
'html_unwrap_factor': 0.4,
'input_encoding': None,
'input_profile': <calibre.customize.profiles.InputProfile object at 0x0000016059E9A760>,
'insert_blank_line': False,
'insert_blank_line_size': 0.5,
'insert_metadata': False,
'isbn': None,
'italicize_common_cases': True,
'keep_ligatures': False,
'language': None,
'level1_toc': None,
'level2_toc': None,
'level3_toc': None,
'line_height': 0.0,
'linearize_tables': False,
'margin_bottom': 5.0,
'margin_left': 5.0,
'margin_right': 5.0,
'margin_top': 5.0,
'markup_chapter_headings': True,
'max_toc_links': 50,
'minimum_line_height': 120.0,
'new_pdf_engine': False,
'no_chapters_in_toc': False,
'no_images': False,
'no_inline_navbars': False,
'output_profile': <calibre.customize.profiles.GenericEink object at 0x0000016059E9AA60>,
'page_breaks_before': "//*[name()='h1' or name()='h2']",
'prefer_metadata_cover': False,
'preserve_cover_aspect_ratio': False,
'pretty_print': False,
'pubdate': None,
'publisher': None,
'rating': None,
'read_metadata_from_opf': 'C:\Users\USER\AppData\Local\Temp\calibre_oj99zy8a\1cbzxulj.opf',
'remove_fake_margins': True,
'remove_first_image': False,
'remove_paragraph_spacing': True,
'remove_paragraph_spacing_indent_size': 1.5,
'renumber_headings': True,
'replace_scene_breaks': '',
'search_replace': '[]',
'series': None,
'series_index': None,
'smarten_punctuation': False,
'sr1_replace': None,
'sr1_search': None,
'sr2_replace': None,
'sr2_search': None,
'sr3_replace': None,
'sr3_search': None,
'start_reading_at': None,
'subset_embedded_fonts': False,
'tags': None,
'timestamp': None,
'title': None,
'title_sort': None,
'toc_filter': None,
'toc_threshold': 6,
'transform_css_rules': '[]',
'unsmarten_punctuation': False,
'unwrap_factor': 0.45,
'unwrap_lines': True,
'use_auto_toc': False,
'verbose': 2}
Running file type plugin DeDRM failed with traceback:
Traceback (most recent call last):
File "calibre\customize\ui.py", line 176, in _run_filetype_plugins
File "calibre_plugins.dedrm.init", line 640, in run
File "calibre_plugins.dedrm.init", line 515, in PDFDecrypt
calibre_plugins.dedrm.DeDRMError: DeDRM v7.2.1: Ultimately failed to decrypt after 0.1 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md
DeDRM v7.2.1: Trying to decrypt hxdkeemw.pdf
DeDRM v7.2.1: hxdkeemw.pdf is a PDF ebook
DeDRM v7.2.1: Trying Encryption key default_key
error writing pdf: max() arg is an empty sequence
DeDRM v7.2.1: Failed to decrypt with key default_key after 0.0 seconds
DeDRM v7.2.1: Looking for new default Adobe Digital Editions Keys after 0.0 seconds
Found 1 keys
DeDRM v7.2.1: Trying a new default key
error writing pdf: max() arg is an empty sequence
DeDRM v7.2.1: Failed to decrypt with new default key after 0.0 seconds
DeDRM v7.2.1: Ultimately failed to decrypt after 0.0 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md
Running file type plugin DeDRM failed with traceback:
Traceback (most recent call last):
File "calibre\customize\ui.py", line 176, in _run_filetype_plugins
File "calibre_plugins.dedrm.init", line 640, in run
File "calibre_plugins.dedrm.init", line 515, in PDFDecrypt
calibre_plugins.dedrm.DeDRMError: DeDRM v7.2.1: Ultimately failed to decrypt after 0.0 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md
InputFormatPlugin: PDF Input running
on C:\Users\USER\AppData\Local\Temp\calibre_oj99zy8a\hxdkeemw.pdf
Converting file to html...
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 82, in
File "site.py", line 77, in main
File "site.py", line 49, in run_entry_point
File "calibre\utils\ipc\worker.py", line 216, in main
File "calibre\gui2\convert\gui_conversion.py", line 41, in gui_convert_override
File "calibre\gui2\convert\gui_conversion.py", line 28, in gui_convert
File "calibre\ebooks\conversion\plumber.py", line 1105, in run
File "calibre\customize\conversion.py", line 245, in call
File "calibre\ebooks\conversion\plugins\pdf_input.py", line 54, in convert
File "calibre\ebooks\pdf\pdftohtml.py", line 83, in pdftohtml
calibre.ebooks.ConversionError: pdftohtml failed with return code: 1
Syntax Error: Couldn't find the 'EBX_HANDLER' security handler
Exception ignored in: <function NativeFunction.del at 0x000001605AAA3430>
Traceback (most recent call last):
File "calibre_plugins.dedrm.adobekey", line 268, in del
TypeError: 'NoneType' object is not callable
Exception ignored in: <function NativeFunction.del at 0x000001605AAA3430>
Traceback (most recent call last):
File "calibre_plugins.dedrm.adobekey", line 268, in del
TypeError: 'NoneType' object is not callable

[ElleKayEm]

DeDRM 7.2.1 still needs work for many pdfs. Try calibre 4.23 and DeDRM 6.8.1.

[Leseratte10]

Or try merging #1689 if you don't want to downgrade and see if that fixes the PDF issues.

[kronos911]

@Leseratte10 Thanks for the info, Merge 1689 did work on the problematic PDFs.