55
31
header_height = 30 #: In px
56
32
default_fonts = { 'sans': "Swis721 BT Roman", 'mono': "Courier10 BT Roman",
57
33
'serif': "Dutch801 Rm BT Roman"}
62
PRS500_PROFILE.name : PRS500_PROFILE,
65
def profile_from_string(option, opt_str, value, parser):
67
profile = profile_map[value]
68
setattr(parser.values, option.dest, profile)
70
raise OptionValueError('Profile: '+value+' is not implemented. Implemented profiles: %s'%(profile_map.keys()))
72
def option_parser(usage, gui_mode=False):
73
parser = OptionParser(usage=usage, gui_mode=gui_mode)
74
metadata = parser.add_option_group('METADATA OPTIONS')
75
metadata.add_option("-t", "--title", action="store", type="string", default=None,\
76
dest="title", help=_("Set the title. Default: filename."))
77
metadata.add_option("-a", "--author", action="store", type="string", \
78
dest="author", help=_("Set the author(s). Multiple authors should be set as a comma separated list. Default: %default"),
80
metadata.add_option("--comment", action="store", type="string", \
81
dest="freetext", help=_("Set the comment."), default=_('Unknown'))
82
metadata.add_option("--category", action="store", type="string", \
83
dest="category", help=_("Set the category"), default=_('Unknown'))
84
metadata.add_option('--title-sort', action='store', default='', dest='title_sort',
85
help=_('Sort key for the title'))
86
metadata.add_option('--author-sort', action='store', default='', dest='author_sort',
87
help=_('Sort key for the author'))
88
metadata.add_option('--publisher', action='store', default=_('Unknown'), dest='publisher',
90
metadata.add_option('--cover', action='store', dest='cover', default=None, \
91
help=_('Path to file containing image to be used as cover'))
92
metadata.add_option('--use-metadata-cover', action='store_true', default=False,
93
help=_('If there is a cover graphic detected in the source file, use that instead of the specified cover.'))
95
parser.add_option('-o', '--output', action='store', default=None, \
96
help=_('Output file name. Default is derived from input filename'))
97
parser.add_option('--ignore-tables', action='store_true', default=False, dest='ignore_tables',
98
help=_('Render HTML tables as blocks of text instead of actual tables. This is neccessary if the HTML contains very large or complex tables.'))
99
laf = parser.add_option_group('LOOK AND FEEL')
100
laf.add_option('--base-font-size', action='store', type='float', default=10.,
101
help=_('''Specify the base font size in pts. All fonts are rescaled accordingly. This option obsoletes the --font-delta option and takes precedence over it. To use --font-delta, set this to 0. Default: %defaultpt'''))
102
laf.add_option('--enable-autorotation', action='store_true', default=False,
103
help=_('Enable autorotation of images that are wider than the screen width.'),
105
laf.add_option('--wordspace', dest='wordspace', default=2.5, type='float',
106
help=_('Set the space between words in pts. Default is %default'))
107
laf.add_option('--blank-after-para', action='store_true', default=False,
108
dest='blank_after_para', help=_('Separate paragraphs by blank lines.'))
109
laf.add_option('--header', action='store_true', default=False, dest='header',
110
help=_('Add a header to all the pages with title and author.'))
111
laf.add_option('--headerformat', default="%t by %a", dest='headerformat', type='string',
112
help=_('Set the format of the header. %a is replaced by the author and %t by the title. Default is %default'))
113
laf.add_option('--header-separation', default=0, type='int',
114
help=_('Add extra spacing below the header. Default is %default px.'))
115
laf.add_option('--override-css', default=None, dest='_override_css', type='string',
116
help=_('Override the CSS. Can be either a path to a CSS stylesheet or a string. If it is a string it is interpreted as CSS.'))
117
laf.add_option('--use-spine', default=False, dest='use_spine', action='store_true',
118
help=_('Use the <spine> element from the OPF file to determine the order in which the HTML files are appended to the LRF. The .opf file must be in the same directory as the base HTML file.'))
119
laf.add_option('--minimum-indent', default=0, type='float',
120
help=_('Minimum paragraph indent (the indent of the first line of a paragraph) in pts. Default: %default'))
121
laf.add_option('--font-delta', action='store', type='float', default=0., \
122
help=_("""Increase the font size by 2 * FONT_DELTA pts and """
123
'''the line spacing by FONT_DELTA pts. FONT_DELTA can be a fraction.'''
124
"""If FONT_DELTA is negative, the font size is decreased."""),
126
laf.add_option('--ignore-colors', action='store_true', default=False, dest='ignore_colors',
127
help=_('Render all content as black on white instead of the colors specified by the HTML or CSS.'))
129
page = parser.add_option_group('PAGE OPTIONS')
130
profiles = profile_map.keys()
131
page.add_option('-p', '--profile', default=PRS500_PROFILE, dest='profile', type='choice',
132
choices=profiles, action='callback', callback=profile_from_string,
133
help=_('''Profile of the target device for which this LRF is '''
134
'''being generated. The profile determines things like the '''
135
'''resolution and screen size of the target device. '''
136
'''Default: %s Supported profiles: ''')%(PRS500_PROFILE.name,)+\
138
page.add_option('--left-margin', default=20, dest='left_margin', type='int',
139
help=_('''Left margin of page. Default is %default px.'''))
140
page.add_option('--right-margin', default=20, dest='right_margin', type='int',
141
help=_('''Right margin of page. Default is %default px.'''))
142
page.add_option('--top-margin', default=10, dest='top_margin', type='int',
143
help=_('''Top margin of page. Default is %default px.'''))
144
page.add_option('--bottom-margin', default=0, dest='bottom_margin', type='int',
145
help=_('''Bottom margin of page. Default is %default px.'''))
146
page.add_option('--render-tables-as-images', default=False, action='store_true',
147
help=_('Render tables in the HTML as images (useful if the document has large or complex tables)'))
148
page.add_option('--text-size-multiplier-for-rendered-tables', type='float', default=1.0,
149
help=_('Multiply the size of text in rendered tables by this factor. Default is %default'))
151
link = parser.add_option_group('LINK PROCESSING OPTIONS')
152
link.add_option('--link-levels', action='store', type='int', default=sys.maxint, \
154
help=_(r'''The maximum number of levels to recursively process '''
155
'''links. A value of 0 means thats links are not followed. '''
156
'''A negative value means that <a> tags are ignored.'''))
157
link.add_option('--link-exclude', dest='link_exclude', default='@',
158
help=_('''A regular expression. <a> tags whose href '''
159
'''matches will be ignored. Defaults to %default'''))
160
link.add_option('--no-links-in-toc', action='store_true', default=False,
161
dest='no_links_in_toc',
162
help=_('''Don't add links to the table of contents.'''))
163
chapter = parser.add_option_group('CHAPTER OPTIONS')
164
chapter.add_option('--disable-chapter-detection', action='store_true',
165
default=False, dest='disable_chapter_detection',
166
help=_('''Prevent the automatic detection chapters.'''))
167
chapter.add_option('--chapter-regex', dest='chapter_regex',
168
default='chapter|book|appendix',
169
help=_('''The regular expression used to detect chapter titles.'''
170
''' It is searched for in heading tags (h1-h6). Defaults to %default'''))
171
chapter.add_option('--chapter-attr', default='$,,$',
172
help=_('Detect a chapter beginning at an element having the specified attribute. The format for this option is tagname regexp,attribute name,attribute value regexp. For example to match all heading tags that have the attribute class="chapter" you would use "h\d,class,chapter". You can set the attribute to "none" to match only on tag names. So for example, to match all h2 tags, you would use "h2,none,". Default is %default'''))
173
chapter.add_option('--page-break-before-tag', dest='page_break', default='h[12]',
174
help=_('''If html2lrf does not find any page breaks in the '''
175
'''html file and cannot detect chapter headings, it will '''
176
'''automatically insert page-breaks before the tags whose '''
177
'''names match this regular expression. Defaults to %default. '''
178
'''You can disable it by setting the regexp to "$". '''
179
'''The purpose of this option is to try to ensure that '''
180
'''there are no really long pages as this degrades the page '''
181
'''turn performance of the LRF. Thus this option is ignored '''
182
'''if the current page has only a few elements.'''))
183
chapter.add_option('--force-page-break-before-tag', dest='force_page_break',
184
default='$', help=_('Force a page break before tags whose names match this regular expression.'))
185
chapter.add_option('--force-page-break-before-attr', dest='force_page_break_attr',
186
default='$,,$', help=_('Force a page break before an element having the specified attribute. The format for this option is tagname regexp,attribute name,attribute value regexp. For example to match all heading tags that have the attribute class="chapter" you would use "h\d,class,chapter". Default is %default'''))
187
chapter.add_option('--add-chapters-to-toc', action='store_true',
188
default=False, dest='add_chapters_to_toc',
189
help=_('''Add detected chapters to the table of contents.'''))
190
prepro = parser.add_option_group('PREPROCESSING OPTIONS')
191
prepro.add_option('--baen', action='store_true', default=False, dest='baen',
192
help=_('''Preprocess Baen HTML files to improve generated LRF.'''))
193
prepro.add_option('--pdftohtml', action='store_true', default=False, dest='pdftohtml',
194
help=_('''You must add this option if processing files generated by pdftohtml, otherwise conversion will fail.'''))
195
prepro.add_option('--book-designer', action='store_true', default=False, dest='book_designer',
196
help=_('''Use this option on html0 files from Book Designer.'''))
198
fonts = parser.add_option_group('FONT FAMILIES',
199
_('''Specify trutype font families for serif, sans-serif and monospace fonts. '''
200
'''These fonts will be embedded in the LRF file. Note that custom fonts lead to '''
201
'''slower page turns. '''
203
'''--serif-family "Times New Roman"
205
fonts.add_option('--serif-family',
206
default=None, dest='serif_family', type='string',
207
help=_('The serif family of fonts to embed'))
208
fonts.add_option('--sans-family',
209
default=None, dest='sans_family', type='string',
210
help=_('The sans-serif family of fonts to embed'))
211
fonts.add_option('--mono-family',
212
default=None, dest='mono_family', type='string',
213
help=_('The monospace family of fonts to embed'))
215
debug = parser.add_option_group('DEBUG OPTIONS')
216
debug.add_option('--verbose', dest='verbose', action='store_true', default=False,
217
help=_('''Be verbose while processing'''))
218
debug.add_option('--lrs', action='store_true', dest='lrs', \
219
help=_('Convert to LRS'), default=False)
220
parser.add_option('--minimize-memory-usage', action='store_true', default=False,
221
help=_('Minimize memory usage at the cost of longer processing times. Use this option if you are on a memory constrained machine.'))
222
parser.add_option('--encoding', default=None,
223
help=_('Specify the character encoding of the source file. If the output LRF file contains strange characters, try changing this option. A common encoding for files from windows computers is cp-1252. Another common choice is utf-8. The default is to try and guess the encoding.'))
227
37
def find_custom_fonts(options, logger):
228
from calibre.utils.fontconfig import files_for_family
38
from calibre.utils.fonts import fontconfig
39
files_for_family = fontconfig.files_for_family
229
40
fonts = {'serif' : None, 'sans' : None, 'mono' : None}
231
42
return cmd.split(',')[-1].strip()
added
removed
src/calibre/ebooks/lrf/__init__.py
