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reraise with more information #174

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25 changes: 25 additions & 0 deletions src/constraint_handler/data/pythonHelper.lp
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import itertools
import operator
import typing
import functools

import clingo

Expand All @@ -15,13 +16,28 @@ import constraint_handler.schemas.warning as warning
import constraint_handler.solver_environment as solver_environment


def cltopy_context(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except myClorm.FailedInstantiationExn as exn:
raise myClorm.FailedInstantiationExn(
f"{exn} (in {func.__name__}; args={args!r}; kwargs={kwargs!r})"
) from exn

return wrapper


@cltopy_context
def pythonExpressionVariable(clExpr):
# print("pythonExpressionVariable",clExpr)
pExpr = myClorm.cltopy(clExpr,expression.Expr)
pVars = list(evaluator.collectVars(pExpr))
clVars = [myClorm.pytocl(var) for var in pVars]
return clVars

@cltopy_context
def pythonEnumerateVariables(clExpr):
pExpr = myClorm.cltopy(clExpr,expression.Expr)
pVars = list(evaluator.collectVars(pExpr))
Expand All @@ -30,6 +46,7 @@ def pythonEnumerateVariables(clExpr):
return result

# TODO: dead?
@cltopy_context
def pythonBetaReduction(clExpr,clVars,clArgs):
pVars = myClorm.cltopy(clVars)
pArgs = myClorm.cltopy(clArgs,list[expression.Val])
Expand Down Expand Up @@ -111,20 +128,24 @@ def pythonExec(clStmt,clEnv,clId):
return myClorm.pytocl(warning.Error(exec_error,repr(exn)))


@cltopy_context
def pythonReversed(clExpr):
pL = myClorm.cltopy(clExpr,list)
pRL = list(reversed(pL))
return myClorm.pytocl(pRL)

@cltopy_context
def pythonListElements(clExpr):
pL = myClorm.cltopy(clExpr,list)
return [myClorm.pytocl(e) for e in pL]


@cltopy_context
def pythonEnumerateElements(clExpr):
pL = myClorm.cltopy(clExpr,list)
return [myClorm.pytocl(e) for e in enumerate(pL)]

@cltopy_context
def pythonListLength(clExpr):
pL = myClorm.cltopy(clExpr,list)
return myClorm.pytocl(len(pL))
Expand All @@ -134,6 +155,7 @@ class Local(typing.NamedTuple):
name: typing.Any
var: expression.Variable

@cltopy_context
def pythonTupleElements(clExpr):
pT = myClorm.cltopy(clExpr)

Expand All @@ -146,13 +168,15 @@ def pythonDebug(clExpr):
#print("debug: ",clExpr)
return clExpr

@cltopy_context
def pythonStop(clExpr):
#print("stop: ",clExpr)
pExpr = myClorm.cltopy(clExpr)
if pExpr < -5:
assert False
return clExpr

@cltopy_context
def pythonTagVars(clExpr,clName):
# print("pythonTagVars",clName,clExpr)
pName = myClorm.cltopy(clName)
Expand All @@ -163,6 +187,7 @@ def pythonTagVars(clExpr,clName):
return myClorm.pytocl(pExp2)


@cltopy_context
def pythonInit(clX):
pX = myClorm.cltopy(clX)
print("init",pX)
Expand Down