Thanks for the quick reply, Kovid! How can I change the font sizes in a TOC? And can page numbers be added to it?

—Marc



> On Sep 14, 2018, at 8:26 PM, Kovid Goyal <email address hidden> wrote:
> 
> Works for me with that option, however, I have additionally made a
> change that should prevent the error you posted from ever occurring.
> 
> -- 
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1792616
> 
> Title:
>  conversion from ePub to PDF fails
> 
> Status in calibre:
>  Fix Released
> 
> Bug description:
>  Calibre 3.31
>  Mac OS 10.13.6
> 
>  Why is this failing?
> 
>  calibre, version 3.31.0 (darwin, embedded-python: True)
>  Conversion error: Failed: Convert book 1 of 1 (American Immigration: A Very Short Introduction (Very Short Introductions))
> 
>  Convert book 1 of 1 (American Immigration: A Very Short Introduction (Very Short Introductions))
>  DeDRM v6.1.0: In __init__
>  DeDRM v6.1.0: In load_resources
>  DeDRM v6.1.0: verdir /Users/mbizer/Library/Preferences/calibre/plugins/DeDRM/6.1.0
>  DeDRM v6.1.0: In initialize
>  Conversion options changed from defaults:
>    pdf_page_numbers: True
>    cover: u'/var/folders/_9/7dm82tzx6r7cq0lskfn3hcz80000gn/C/calibre_3.31.0_tmp_tOgcZ5/Pt19Nr.jpeg'
>    input_profile: 'kindle'
>    pdf_sans_family: u'Helvetica'
>    level1_toc: u'//h:h4'
>    verbose: 2
>    read_metadata_from_opf: u'/var/folders/_9/7dm82tzx6r7cq0lskfn3hcz80000gn/C/calibre_3.31.0_tmp_tOgcZ5/Zqc7__.opf'
>    pdf_default_font_size: 16
>    pdf_mono_family: u'Courier New'
>    preserve_cover_aspect_ratio: True
>    pdf_use_document_margins: True
>    output_profile: 'ipad3'
>    pdf_serif_family: u'Times New Roman'
>    level2_toc: u'//h:h5'
>    enable_heuristics: True
>  Resolved conversion options
>  calibre version: 3.31.0
>  {'asciiize': False,
>   'author_sort': None,
>   'authors': None,
>   'base_font_size': 0.0,
>   'book_producer': None,
>   'change_justification': u'original',
>   'chapter': u"//*[((name()='h1' or name()='h2') and re:test(., '\\s*((chapter|book|section|part)\\s+)|((prolog|prologue|epilogue)(\\s+|$))', 'i')) or @class = 'chapter']",
>   'chapter_mark': u'pagebreak',
>   'comments': None,
>   'cover': u'/var/folders/_9/7dm82tzx6r7cq0lskfn3hcz80000gn/C/calibre_3.31.0_tmp_tOgcZ5/Pt19Nr.jpeg',
>   'custom_size': None,
>   'debug_pipeline': None,
>   'dehyphenate': True,
>   'delete_blank_paragraphs': True,
>   'disable_font_rescaling': False,
>   'duplicate_links_in_toc': False,
>   'embed_all_fonts': False,
>   'embed_font_family': None,
>   'enable_heuristics': True,
>   'expand_css': False,
>   'extra_css': None,
>   'filter_css': u'',
>   'fix_indents': True,
>   'font_size_mapping': None,
>   'format_scene_breaks': True,
>   'html_unwrap_factor': 0.4,
>   'input_encoding': None,
>   'input_profile': <calibre.customize.profiles.KindleInput object at 0x1169dcf50>,
>   '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': u'//h:h4',
>   'level2_toc': u'//h:h5',
>   '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,
>   'no_chapters_in_toc': False,
>   'no_inline_navbars': False,
>   'output_profile': <calibre.customize.profiles.iPad3Output object at 0x1169653d0>,
>   'page_breaks_before': u"//*[name()='h1' or name()='h2']",
>   'paper_size': u'letter',
>   'pdf_add_toc': False,
>   'pdf_default_font_size': 16,
>   'pdf_footer_template': None,
>   'pdf_header_template': None,
>   'pdf_hyphenate': False,
>   'pdf_mark_links': False,
>   'pdf_mono_family': u'Courier New',
>   'pdf_mono_font_size': 16,
>   'pdf_page_margin_bottom': 72.0,
>   'pdf_page_margin_left': 72.0,
>   'pdf_page_margin_right': 72.0,
>   'pdf_page_margin_top': 72.0,
>   'pdf_page_numbers': True,
>   'pdf_sans_family': u'Helvetica',
>   'pdf_serif_family': u'Times New Roman',
>   'pdf_standard_font': u'serif',
>   'pdf_use_document_margins': True,
>   'prefer_metadata_cover': False,
>   'preserve_cover_aspect_ratio': True,
>   'pretty_print': False,
>   'pubdate': None,
>   'publisher': None,
>   'rating': None,
>   'read_metadata_from_opf': u'/var/folders/_9/7dm82tzx6r7cq0lskfn3hcz80000gn/C/calibre_3.31.0_tmp_tOgcZ5/Zqc7__.opf',
>   'remove_fake_margins': True,
>   'remove_first_image': False,
>   'remove_paragraph_spacing': False,
>   'remove_paragraph_spacing_indent_size': 1.5,
>   'renumber_headings': True,
>   'replace_scene_breaks': u'',
>   '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,
>   'toc_title': None,
>   'transform_css_rules': '[]',
>   'uncompressed_pdf': False,
>   'unit': u'inch',
>   'unsmarten_punctuation': False,
>   'unwrap_lines': True,
>   'use_auto_toc': False,
>   'use_profile_size': False,
>   'verbose': 2}
>  InputFormatPlugin: MOBI Input running
>  on /var/folders/_9/7dm82tzx6r7cq0lskfn3hcz80000gn/C/calibre_3.31.0_tmp_tOgcZ5/mVtQru.azw3
>  Found KF8 MOBI of type 'standalone'
>  Extracting text...
>  Parsing all content...
>  Parsing text/part0004.html ...
>  *********  Heuristic processing HTML  *********
>  flow is too short, not running heuristics
>  Parsing text/part0003.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 0 pre-existing headings
>  Total wordcount is: 186, Average words per section is: 186, Marked up 0 chapters
>  Hard line breaks check returned False
>  Median line length is 81, calculated with html format
>  Fixing hyphenated content
>  Looking for more split points based on punctuation, currently have 0
>  Formatting scene breaks
>  Parsing text/part0012.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 1839, Average words per section is: 919, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 715, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0016.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 4687, Average words per section is: 2343, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 933, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0009.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 2166, Average words per section is: 1083, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 733, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0019.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 1 pre-existing headings
>  Total wordcount is: 334, Average words per section is: 334, Marked up 1 chapters
>  Hard line breaks check returned True
>  Median line length is 138, calculated with html format
>  Unwrapping required, unwrapping Lines
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0007.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 1 pre-existing headings
>  Total wordcount is: 3491, Average words per section is: 3491, Marked up 1 chapters
>  Hard line breaks check returned False
>  Median line length is 755, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0020.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 1 pre-existing headings
>  Total wordcount is: 2980, Average words per section is: 2980, Marked up 1 chapters
>  Hard line breaks check returned True
>  Median line length is 52, calculated with html format
>  Unwrapping required, unwrapping Lines
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0018.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 1 pre-existing headings
>  Total wordcount is: 509, Average words per section is: 509, Marked up 1 chapters
>  Hard line breaks check returned False
>  Median line length is 560, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0017.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 3540, Average words per section is: 1770, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 559, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0011.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 5574, Average words per section is: 2787, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 776, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0014.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 4260, Average words per section is: 2130, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 811, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0002.html ...
>  *********  Heuristic processing HTML  *********
>  flow is too short, not running heuristics
>  Parsing text/part0001.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 0 pre-existing headings
>  uppercase had 5 hits - 5 chapters with no title, 0 chapters with titles, 0.0 percent. 
>  Marked 0 headings, Searching for chapters with Uppercase Characters
>  marked 1 chapters. - EIGHTEENTH-CENTURY
>  marked 2 chapters. - INTERNATIONAL
>  marked 3 chapters. - THE NEW TESTAMENT AS
>  marked 4 chapters. - SOCIAL AND CULTURAL
>  marked 5 chapters. - THE WORLD TRADE
>  Total wordcount is: 1126, Average words per section is: 225, Marked up 5 chapters
>  Hard line breaks check returned True
>  Median line length is 45, calculated with html format
>  Unwrapping required, unwrapping Lines
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0010.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 5229, Average words per section is: 2614, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 756, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0005.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 0 pre-existing headings
>  Total wordcount is: 96, Average words per section is: 96, Marked up 0 chapters
>  Hard line breaks check returned True
>  Median line length is 144, calculated with html format
>  Unwrapping required, unwrapping Lines
>  Fixing hyphenated content
>  Looking for more split points based on punctuation, currently have 0
>  Formatting scene breaks
>  Parsing text/part0008.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 509, Average words per section is: 254, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 569, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0006.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 0 pre-existing headings
>  Total wordcount is: 259, Average words per section is: 259, Marked up 0 chapters
>  Hard line breaks check returned True
>  Median line length is 80, calculated with html format
>  Unwrapping required, unwrapping Lines
>  Fixing hyphenated content
>  Looking for more split points based on punctuation, currently have 0
>  Formatting scene breaks
>  Parsing styles/0001.css ...
>  Parsing text/part0013.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 3432, Average words per section is: 1716, Marked up 2 chapters
>  Hard line breaks check returned False
>  Median line length is 638, calculated with html format
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0015.html ...
>  *********  Heuristic processing HTML  *********
>  There are 0 blank lines. 0.0 percent blank
>  minimum chapters required are: 1
>  found 2 pre-existing headings
>  Total wordcount is: 1141, Average words per section is: 570, Marked up 2 chapters
>  Hard line breaks check returned True
>  Median line length is 1019, calculated with html format
>  Unwrapping required, unwrapping Lines
>  Fixing hyphenated content
>  Formatting scene breaks
>  Parsing text/part0000.html ...
>  *********  Heuristic processing HTML  *********
>  flow is too short, not running heuristics
>  Reading TOC from NCX...
>  Merging user specified metadata...
>  Detecting structure...
>  	Detected chapter: Part I
>  	Detected chapter: Part II
>  	Detected chapter: Part III
>  Flattening CSS and remapping font sizes...
>  Source base font size is 16.00000pt
>  Removing fake margins...
>  Found 1100 items of level: p_1
>  Negative text indent detected at level  p_1, ignoring this level
>  Cleaning up manifest...
>  Trimming unused files from manifest...
>  Trimming u'images/00016.jpeg' from manifest
>  Python function terminated unexpectedly: 'NoneType' object has no attribute 'data'
>  Traceback (most recent call last):
>    File "/Applications/calibre.app/Contents/Resources/Python/lib/python2.7/site.py", line 154, in main
>      return run_entry_point()
>    File "/Applications/calibre.app/Contents/Resources/Python/lib/python2.7/site.py", line 114, in run_entry_point
>      return getattr(pmod, func)()
>    File "site-packages/calibre/utils/ipc/worker.py", line 195, in main
>    File "site-packages/calibre/gui2/convert/gui_conversion.py", line 33, in gui_convert_override
>    File "site-packages/calibre/gui2/convert/gui_conversion.py", line 26, in gui_convert
>    File "site-packages/calibre/ebooks/conversion/plumber.py", line 1270, in run
>    File "site-packages/calibre/ebooks/conversion/plugins/pdf_output.py", line 191, in convert
>    File "site-packages/calibre/ebooks/conversion/plugins/pdf_output.py", line 263, in convert_text
>  AttributeError: 'NoneType' object has no attribute 'data'
>  Creating PDF Output...
>  Splitting markup on page breaks and flow limits, if any...
>  		Splitting on page-break at id=pt02
>  		Splitting on page-break at id=further
>  		Splitting on page-break at id=introduction
>  		Splitting on page-break at id=conclusion
>  		Splitting on page-break at id=calibre_pb_0
>  		Splitting on page-break at id=calibre_pb_0
>  		Splitting on page-break at id=calibre_pb_1
>  		Splitting on page-break at id=calibre_pb_2
>  		Splitting on page-break at id=calibre_pb_3
>  		Splitting on page-break at id=calibre_pb_4
>  	Split into 6 parts
>  		Splitting on page-break at id=pt01
>  		Splitting on page-break at id=pt03
>  		Splitting on page-break at id=calibre_pb_0
>  Converting input as a text based book...
>  Serializing oeb input to disk for processing...
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/calibre/+bug/1792616/+subscriptions