Revision 1704
Added by Aaron Marcuse-Kubitza almost 13 years ago
| lib/maps.py | ||
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# Map spreadsheet manipulation |
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import re |
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import Parser |
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import strings |
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import util |
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def col_label(col_name): return col_name.partition(':')[0]
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def col_info(col_name, require_root=False): |
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'''@return tuple (label, root, prefixes)''' |
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def syntax_err(): raise Parser.SyntaxException('Column name must have '
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'syntax "datasrc[format,...]:root" (formats optional): '+col_name) |
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match = re.match(r'^([^\[:]*)(?:\[([^\]]*?)\])?(?::(.*))?$', col_name) |
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if not match: syntax_err() |
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label, prefixes, root = match.groups() |
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if require_root and root == None: syntax_err() |
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return label, root, strings.split(',', util.coalesce(prefixes, ''))
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def col_formats(col_name): |
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label, root, prefixes = col_info(col_name) |
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return [label]+prefixes |
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def combinable(*headers): |
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return strings.overlaps(*[col_label(header[0]) for header in headers])
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return strings.overlaps(*[','.join(col_formats(h[0])) for h in headers])
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def is_nonexplicit_empty_mapping(row): |
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return reduce(util.and_, (v == '' for v in row[1:])) |
Also available in: Unified diff
maps.py: Added col_info() to get label, root, prefixes from col_name. Added col_formats() for use by combinable(). Use new col_formats() in combinable(). Removed no longer needed col_label().