be explicit about openqasm3.ast imports

Author: braised-babbage

source/openpulse/openpulse/ast.py

@@ -15,8 +15,89 @@
 from typing import List, Optional, Union
 
 # Re-export the existing AST classes from openqasm3
-# pylint: disable=unused-import
-from openqasm3.ast import *
+# This is everything _except_ CalibrationDefinition
+# and CalibrationStatement, which get redefined below.
+from openqasm3.ast import (
+    AccessControl,
+    AliasStatement,
+    AngleType,
+    Annotation,
+    ArrayLiteral,
+    ArrayReferenceType,
+    ArrayType,
+    AssignmentOperator,
+    BinaryExpression,
+    BinaryOperator,
+    BitType,
+    BitstringLiteral,
+    BoolType,
+    BooleanLiteral,
+    Box,
+    BranchingStatement,
+    BreakStatement,
+    CalibrationGrammarDeclaration,
+    Cast,
+    ClassicalArgument,
+    ClassicalAssignment,
+    ClassicalDeclaration,
+    ClassicalType,
+    ComplexType,
+    Concatenation,
+    ConstantDeclaration,
+    ContinueStatement,
+    DelayInstruction,
+    DiscreteSet,
+    DurationLiteral,
+    DurationOf,
+    DurationType,
+    EndStatement,
+    Expression,
+    ExpressionStatement,
+    ExternArgument,
+    ExternDeclaration,
+    FloatLiteral,
+    FloatType,
+    ForInLoop,
+    FunctionCall,
+    GateModifierName,
+    IODeclaration,
+    IOKeyword,
+    Identifier,
+    ImaginaryLiteral,
+    Include,
+    IndexExpression,
+    IndexedIdentifier,
+    IntType,
+    IntegerLiteral,
+    Pragma,
+    Program,
+    QASMNode,
+    QuantumArgument,
+    QuantumBarrier,
+    QuantumGate,
+    QuantumGateDefinition,
+    QuantumGateModifier,
+    QuantumMeasurement,
+    QuantumMeasurementStatement,
+    QuantumPhase,
+    QuantumReset,
+    QuantumStatement,
+    QubitDeclaration,
+    RangeDefinition,
+    ReturnStatement,
+    SizeOf,
+    Span,
+    Statement,
+    SwitchStatement,
+    CompoundStatement,
+    StretchType,
+    SubroutineDefinition,
+    TimeUnit,
+    UintType,
+    UnaryExpression,
+    UnaryOperator,
+    WhileLoop,
+)
 
 
 # From Pulse grammar
@@ -94,3 +175,92 @@ class CalibrationDefinition(Statement):
     qubits: List[Identifier]
     return_type: Optional[ClassicalType]
     body: List[Statement]
+
+
+__all__ = [
+    "AccessControl",
+    "AliasStatement",
+    "AngleType",
+    "Annotation",
+    "ArrayLiteral",
+    "ArrayReferenceType",
+    "ArrayType",
+    "AssignmentOperator",
+    "BinaryExpression",
+    "BinaryOperator",
+    "BitType",
+    "BitstringLiteral",
+    "BoolType",
+    "BooleanLiteral",
+    "Box",
+    "BranchingStatement",
+    "BreakStatement",
+    "CalibrationBlock",
+    "CalibrationDefinition",
+    "CalibrationGrammarDeclaration",
+    "CalibrationStatement",
+    "Cast",
+    "ClassicalArgument",
+    "ClassicalAssignment",
+    "ClassicalDeclaration",
+    "ClassicalType",
+    "ComplexType",
+    "Concatenation",
+    "ConstantDeclaration",
+    "ContinueStatement",
+    "DelayInstruction",
+    "DiscreteSet",
+    "DurationLiteral",
+    "DurationOf",
+    "DurationType",
+    "EndStatement",
+    "Expression",
+    "ExpressionStatement",
+    "ExternArgument",
+    "ExternDeclaration",
+    "FloatLiteral",
+    "FloatType",
+    "ForInLoop",
+    "FrameType",
+    "FunctionCall",
+    "GateModifierName",
+    "IODeclaration",
+    "IOKeyword",
+    "Identifier",
+    "ImaginaryLiteral",
+    "Include",
+    "IndexExpression",
+    "IndexedIdentifier",
+    "IntType",
+    "IntegerLiteral",
+    "PortType",
+    "Pragma",
+    "Program",
+    "QASMNode",
+    "QuantumArgument",
+    "QuantumBarrier",
+    "QuantumGate",
+    "QuantumGateDefinition",
+    "QuantumGateModifier",
+    "QuantumMeasurement",
+    "QuantumMeasurementStatement",
+    "QuantumPhase",
+    "QuantumReset",
+    "QuantumStatement",
+    "QubitDeclaration",
+    "RangeDefinition",
+    "ReturnStatement",
+    "SizeOf",
+    "Span",
+    "Statement",
+    "SwitchStatement",
+    "CompoundStatement",
+    "StretchType",
+    "SubroutineDefinition",
+    "TimeUnit",
+    "UintType",
+    "UnaryExpression",
+    "UnaryOperator",
+    "WaveformType",
+    "WhileLoop",
+]