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Add more documentation for the --display option to add_custom_column

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This commit is contained in:
Charles Haley 2012-10-19 08:09:29 +02:00
parent 8b1ca1d3bf
commit b559ec8b6a
1 changed files with 17 additions and 1 deletions
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18
src/calibre/library/cli.py
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@ -692,7 +692,22 @@ datatype is one of: {0}
help=_('A dictionary of options to customize how ' help=_('A dictionary of options to customize how '
'the data in this column will be interpreted. This is a JSON ' 'the data in this column will be interpreted. This is a JSON '
' string. For enumeration columns, use ' ' string. For enumeration columns, use '
'--display=\'{"enum_values":["val1", "val2"]}\'')) '--display="{\\"enum_values\\":[\\"val1\\", \\"val2\\"]}"'
''
'There are many options that can go into the display variable.'
'The options by column type are:'
'composite: composite_template, composite_sort, make_category,'
' contains_html, use_decorations'
'datetime: date_format'
'enumeration: enum_values, enum_colors, use_decorations'
'int, float: number_format'
'text: is_names. use_decorations'
''
'The best way to find legal combinations is to create a custom'
'column of the appropriate type in the GUI then look at the'
'backup OPF for a book (ensure that a new OPF has been created'
'since the column was added). You will see the JSON for the'
'"display" for the new column in the OPF.'))
return parser return parser
@ -705,6 +720,7 @@ def command_add_custom_column(args, dbpath):
print print
print >>sys.stderr, _('You must specify label, name and datatype') print >>sys.stderr, _('You must specify label, name and datatype')
return 1 return 1
print opts.display
do_add_custom_column(get_db(dbpath, opts), args[0], args[1], args[2], do_add_custom_column(get_db(dbpath, opts), args[0], args[1], args[2],
opts.is_multiple, json.loads(opts.display)) opts.is_multiple, json.loads(opts.display))
# Re-open the DB so that field_metadata is reflects the column changes # Re-open the DB so that field_metadata is reflects the column changes