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module: add allow_empty validation option to ArgValidatorStr()

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This commit is contained in:
Thomas Haller 2017-03-02 16:15:23 +01:00
parent adcdd28bb3
commit 151a611695
1 changed files with 4 additions and 1 deletions
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5
library/network_connections.py
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@ -428,15 +428,18 @@ class ArgValidator:
return result
class ArgValidatorStr(ArgValidator):
def __init__(self, name, required = False, default_value = None, enum_values = None):
def __init__(self, name, required = False, default_value = None, enum_values = None, allow_empty = True):
ArgValidator.__init__(self, name, required, default_value)
self.enum_values = enum_values
self.allow_empty = allow_empty
def _validate(self, value, name):
if not isinstance(value, Util.STRING_TYPE):
raise ValidationError(name, 'must be a string but is "%s"' % (value))
v = str(value)
if self.enum_values is not None and v not in self.enum_values:
raise ValidationError(name, 'is "%s" but must be one of "%s"' % (value, '" "'.join(sorted(self.enum_values))))
if not self.allow_empty and not v:
raise ValidationError(name, 'cannot be empty')
return v
class ArgValidatorInt(ArgValidator):