Revision 16629d10 lib/qlang.py
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from ganeti import errors |
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from ganeti import netutils |
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from ganeti import utils |
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# Logic operators with one or more operands, each of which is a filter on its |
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number = pyp.Combine(pyp.Optional(num_sign) + pyp.Word(pyp.nums)) |
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number.setParseAction(lambda toks: int(toks[0])) |
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quoted_string = pyp.quotedString.copy().setParseAction(pyp.removeQuotes) |
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# Right-hand-side value |
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rval = (number | pyp.quotedString.setParseAction(pyp.removeQuotes))
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rval = (number | quoted_string)
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# Boolean condition |
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bool_cond = field_name.copy() |
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not_regexp_cond.setParseAction(lambda (field, value): |
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[[OP_NOT, [OP_REGEXP, field, value]]]) |
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# Globbing, e.g. name =* "*.site" |
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glob_cond = (field_name + pyp.Suppress("=*") + quoted_string)
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glob_cond.setParseAction(lambda (field, value): |
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[[OP_REGEXP, field, |
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utils.DnsNameGlobPattern(value)]]) |
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not_glob_cond = (field_name + pyp.Suppress("!*") + quoted_string)
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not_glob_cond.setParseAction(lambda (field, value): |
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[[OP_NOT, [OP_REGEXP, field, |
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utils.DnsNameGlobPattern(value)]]]) |
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# All possible conditions |
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condition = (binary_cond ^ bool_cond ^ |
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in_cond ^ not_in_cond ^ |
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regexp_cond ^ not_regexp_cond) |
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regexp_cond ^ not_regexp_cond ^ |
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glob_cond ^ not_glob_cond) |
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# Associativity operators |
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filter_expr = pyp.operatorPrecedence(condition, [ |
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