I am attempting to convert an HTML file to EPUB and fails with this error:
calibre.ebooks.oeb.base.OEBError: Spine is empty
Code:
Convert book 1 of 10 (System Corruption)
Processing archive...
Resolved conversion options
{'asciiize': False,
'author_sort': None,
'authors': None,
'base_font_size': 0.0,
'book_producer': None,
'breadth_first': False,
'chapter': u"//*[name()='h1' or name()='h2' or name()='h3' or name()='h4']",
'chapter_mark': u'pagebreak',
'comments': None,
'cover': 'c:\\users\\arturo\\appdata\\local\\temp\\calibre_0.6.31_5tzyps.jpeg',
'debug_pipeline': None,
'disable_font_rescaling': False,
'dont_justify': False,
'dont_package': False,
'dont_split_on_page_breaks': False,
'extra_css': None,
'extract_to': None,
'flow_size': 260,
'font_size_mapping': None,
'footer_regex': u'(?i)(?<=<hr>)((\\s*<a name=\\d+></a>((<img.+?>)*<br>\\s*)?\\d+<br>\\s*.*?\\s*)|(\\s*<a name=\\d+></a>((<img.+?>)*<br>\\s*)?.*?<br>\\s*\\d+))(?=<br>)',
'header_regex': u'(?i)(?<=<hr>)((\\s*<a name=\\d+></a>((<img.+?>)*<br>\\s*)?\\d+<br>\\s*.*?\\s*)|(\\s*<a name=\\d+></a>((<img.+?>)*<br>\\s*)?.*?<br>\\s*\\d+))(?=<br>)',
'input_encoding': None,
'input_profile': <calibre.customize.profiles.InputProfile object at 0x03B38810>,
'insert_blank_line': False,
'insert_metadata': False,
'isbn': None,
'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,
'max_levels': 5,
'max_toc_links': 50,
'no_chapters_in_toc': False,
'no_default_epub_cover': False,
'no_inline_navbars': False,
'output_profile': <calibre.customize.profiles.OutputProfile object at 0x03B389D0>,
'page_breaks_before': u'/',
'prefer_metadata_cover': False,
'preprocess_html': False,
'pretty_print': True,
'publisher': None,
'rating': None,
'read_metadata_from_opf': 'c:\\users\\arturo\\appdata\\local\\temp\\calibre_0.6.31_lj4chs.opf',
'remove_first_image': False,
'remove_footer': False,
'remove_header': False,
'remove_paragraph_spacing': False,
'remove_paragraph_spacing_indent_size': 1.5,
'series': None,
'series_index': None,
'tags': None,
'title': None,
'title_sort': None,
'toc_filter': None,
'toc_threshold': 6,
'unwrap_factor': 0.0,
'use_auto_toc': False,
'verbose': 2}
InputFormatPlugin: HTML Input running
on c:\users\arturo\appdata\local\temp\calibre_0.6.31_rnlgyx_plumber\content.opf
Parsing all content...
Manifest item 'toc.ncx' not found
Python function terminated unexpectedly
Spine is empty (Error Code: 1)
Traceback (most recent call last):
File "site.py", line 103, in main
File "site.py", line 85, in run_entry_point
File "site-packages\calibre\utils\ipc\worker.py", line 90, in main
File "site-packages\calibre\gui2\convert\gui_conversion.py", line 21, in gui_convert
File "site-packages\calibre\ebooks\conversion\plumber.py", line 736, in run
File "site-packages\calibre\customize\conversion.py", line 208, in __call__
File "site-packages\calibre\ebooks\html\input.py", line 291, in convert
File "site-packages\calibre\ebooks\conversion\plumber.py", line 866, in create_oebbook
File "site-packages\calibre\ebooks\oeb\reader.py", line 72, in __call__
File "site-packages\calibre\ebooks\oeb\reader.py", line 589, in _all_from_opf
File "site-packages\calibre\ebooks\oeb\reader.py", line 289, in _spine_from_opf
calibre.ebooks.oeb.base.OEBError: Spine is empty
Any ideas on how to resolve this?
Thank you in advance.
Art