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clause.py
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25 lines (20 loc) · 696 Bytes
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from tableaudocumentapi import Expression
class Clause(object):
"""A class representing clauses inside Relations."""
def __init__(self, clause_xml):
"""Clause is usually instantiated by passing in relation XML
from a Connection.
"""
self._clauseXML = clause_xml
self._type = clause_xml.get('type')
self._expressions = list(map(Expression, self._clauseXML.findall('./expression')))
@property
def type(self):
return self._type
@property
def expression(self):
return self._expression
def __str__(self):
if self.type == "join":
return f"{self._expressions[0]}"
return "ERROR"