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adding constant handler for comaptibality of pql with python versions > 3.7 #32

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adding constant handler for comaptibality of pql with python versions > 3.7 #32

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a144d5e
adding constant handler for for comaptibality of python versions > 3.7
Jan 18, 2022
a86a0f9
adding constant handler for for comaptibality of python versions > 3.7
Jan 18, 2022
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13 changes: 12 additions & 1 deletion pql/matching.py
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,7 @@ def handle_Name(self, name):
return name.id
def handle_Attribute(self, attr):
return '{0}.{1}'.format(self.handle(attr.value), attr.attr)


class OperatorMap(object):
def resolve_field(self, node):
Expand Down Expand Up @@ -366,6 +367,16 @@ def handle_Call(self, node):
def handle_Str(self, node):
return node.s

class ConstantField(AlgebricField):
"""
Converting constants into a string
(ast parser assigns a value of "Constant" to quoted strings and constant numeric values to the right
and lef part of comparison expression(comparison operators). for handling these constants we convert this constant into a string.
adding a ConsatntField handler class which we pass in a GenericField class)
"""
def handle_Constant(self, node):
return node.s

class IntField(AlgebricField):
def handle_Num(self, node):
return node.n
Expand Down Expand Up @@ -424,6 +435,6 @@ def handle_Str(self, node):
def handle_Call(self, node):
return IdFunc().handle(node)

class GenericField(IntField, BoolField, StringField, ListField, DictField, GeoField):
class GenericField(IntField, BoolField, StringField, ListField, DictField, GeoField,ConstantField):
def handle_Call(self, node):
return GenericFunc().handle(node)