private static object ImportModuleFrom(CodeContext /*!*/ context, object from, string[] parts, int current)
{
if (from is PythonModule scope)
{
if (scope.__dict__._storage.TryGetPath(out object path) || DynamicHelpers.GetPythonType(scope).TryGetMember(context, scope, "__path__", out path))
{
if (path is List listPath)
{
return(ImportNestedModule(context, scope, parts, current, listPath));
}
if (path is string stringPath)
{
return(ImportNestedModule(context, scope, parts, current, List.FromArrayNoCopy(stringPath)));
}
}
}
if (from is NamespaceTracker ns)
{
if (ns.TryGetValue(parts[current], out object val))
{
return(MemberTrackerToPython(context, val));
}
}
throw PythonOps.ImportError("No module named {0}", parts[current]);
}
public static PythonTuple Reduce(CommonDictionaryStorage items, PythonType type)
{
object[] keys = new object[items.Count];
int i = 0;
foreach (object key in items.GetKeys())
{
keys[i++] = key;
}
return(PythonTuple.MakeTuple(type, PythonTuple.MakeTuple(List.FromArrayNoCopy(keys)), null));
}
private static object ImportModuleFrom(CodeContext /*!*/ context, object from, string[] parts, int current)
{
PythonModule scope = from as PythonModule;
if (scope != null)
{
object path;
List listPath;
string stringPath;
if (scope.__dict__._storage.TryGetPath(out path))
{
if ((listPath = path as List) != null)
{
return(ImportNestedModule(context, scope, parts, current, listPath));
}
else if ((stringPath = path as string) != null)
{
return(ImportNestedModule(context, scope, parts, current, List.FromArrayNoCopy(stringPath)));
}
}
else
{
PythonType t = DynamicHelpers.GetPythonType(scope);
if (t.TryGetMember(context, scope, "__path__", out path))
{
if ((listPath = path as List) != null)
{
return(ImportNestedModule(context, scope, parts, current, listPath));
}
else if ((stringPath = path as string) != null)
{
return(ImportNestedModule(context, scope, parts, current, List.FromArrayNoCopy(stringPath)));
}
}
}
}
NamespaceTracker ns = from as NamespaceTracker;
if (ns != null)
{
object val;
if (ns.TryGetValue(parts[current], out val))
{
return(MemberTrackerToPython(context, val));
}
}
throw PythonOps.ImportError("No module named {0}", parts[current]);
}
/// <summary>
/// Gateway into importing ... called from Ops. This is called after
/// importing the module and is used to return individual items from
/// the module. The outer modules dictionary is then updated with the
/// result.
/// </summary>
public static object ImportFrom(CodeContext /*!*/ context, object from, string name)
{
PythonModule scope = from as PythonModule;
PythonType pt;
NamespaceTracker nt;
if (scope != null)
{
object ret;
if (scope.GetType() == typeof(PythonModule))
{
if (scope.__dict__.TryGetValue(name, out ret))
{
return(ret);
}
}
else
{
// subclass of module, it could have overridden __getattr__ or __getattribute__
if (PythonOps.TryGetBoundAttr(context, scope, name, out ret))
{
return(ret);
}
}
object path;
List listPath;
string stringPath;
if (scope.__dict__._storage.TryGetPath(out path))
{
if ((listPath = path as List) != null)
{
return(ImportNestedModule(context, scope, new[] { name }, 0, listPath));
}
else if ((stringPath = path as string) != null)
{
return(ImportNestedModule(context, scope, new[] { name }, 0, List.FromArrayNoCopy(stringPath)));
}
}
}
else if ((pt = from as PythonType) != null)
{
PythonTypeSlot pts;
object res;
if (pt.TryResolveSlot(context, name, out pts) &&
pts.TryGetValue(context, null, pt, out res))
{
return(res);
}
}
else if ((nt = from as NamespaceTracker) != null)
{
object res = NamespaceTrackerOps.GetCustomMember(context, nt, name);
if (res != OperationFailed.Value)
{
return(res);
}
}
else
{
// This is too lax, for example it allows from module.class import member
object ret;
if (PythonOps.TryGetBoundAttr(context, from, name, out ret))
{
return(ret);
}
}
throw PythonOps.ImportError("Cannot import name {0}", name);
}