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refactor: update eval function #172

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refactor: update eval function #172

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1cd40dc
refactor: update eval function
Luis-Henrique Apr 17, 2024
dbaf784
Merge branch 'feat/add-sub-function' into refactor/update-eval
Luis-Henrique Apr 17, 2024
1629526
refactor: update eval function
Luis-Henrique Apr 22, 2024
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51 changes: 14 additions & 37 deletions faster_sam/cloudformation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -586,50 +586,27 @@ def eval(function: Dict[str, Any], template: Dict[str, Any]) -> Any:
NotImplementedError
If the intrinsic function is not implemented.
"""
implemented = (
"Fn::Base64",
"Fn::FindInMap",
"Fn::GetAtt",
"Fn::Join",
"Fn::Select",
"Fn::Split",
"Fn::Sub",
"Ref",
)
functions = {
"Fn::Base64": IntrinsicFunctions.base64,
"Fn::FindInMap": IntrinsicFunctions.find_in_map,
"Fn::GetAtt": IntrinsicFunctions.get_att,
"Fn::Join": IntrinsicFunctions.join,
"Fn::Select": IntrinsicFunctions.select,
"Fn::Split": IntrinsicFunctions.split,
"Fn::Sub": IntrinsicFunctions.sub,
"Ref": IntrinsicFunctions.ref,
}

fun, val = list(function.items())[0]

if fun not in implemented:
if fun not in functions:
logging.warning(f"{fun} intrinsic function not implemented")
return None

if "Fn::Base64" == fun:
return IntrinsicFunctions.base64(val)

if "Fn::FindInMap" == fun:
return IntrinsicFunctions.find_in_map(val, template)

if "Fn::GetAtt" == fun:
return IntrinsicFunctions.get_att(val, template)

if "Fn::Join" == fun:
return IntrinsicFunctions.join(val, template)

if "Fn::Select" == fun:
return IntrinsicFunctions.select(val, template)

if "Fn::Split" == fun:
return IntrinsicFunctions.split(val, template)

if "Fn::Sub" == fun:
return IntrinsicFunctions.sub(val, template)

if "Ref" == fun:
return IntrinsicFunctions.ref(val, template)

return None
return functions[fun](val, template)

@staticmethod
def base64(value: str) -> str:
def base64(value: str, _: Dict[str, Any]) -> str:
"""
Encode a string to base64.

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