public static Assembly AddReference(string name)
{
AssemblyManager.UpdatePath();
Assembly assembly = null;
assembly = AssemblyManager.FindLoadedAssembly(name);
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyPath(name);
}
if (assembly == null)
{
assembly = AssemblyManager.LoadAssembly(name);
}
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyFullPath(name);
}
if (assembly == null)
{
throw new FileNotFoundException($"Unable to find assembly '{name}'.");
}
return(assembly);
}
public static Assembly AddReference(string name)
{
AssemblyManager.UpdatePath();
Assembly assembly = null;
assembly = AssemblyManager.FindLoadedAssembly(name);
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyPath(name);
}
if (assembly == null)
{
assembly = AssemblyManager.LoadAssembly(name);
}
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyFullPath(name);
}
if (assembly == null)
{
string msg = String.Format("Unable to find assembly '{0}'.", name);
throw new System.IO.FileNotFoundException(msg);
}
return(assembly);
}
public static Assembly AddReference(string name)
{
AssemblyManager.UpdatePath();
Assembly assembly = null;
assembly = AssemblyManager.FindLoadedAssembly(name);
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyPath(name);
}
if (assembly == null)
{
assembly = AssemblyManager.LoadAssembly(name);
}
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyFullPath(name);
}
if (System.IO.File.Exists(name))
{
var zone = System.Security.Policy.Zone.CreateFromUrl(name);
if (zone.SecurityZone != System.Security.SecurityZone.MyComputer)
{
throw new Exception($"File is blocked (NTFS Security)");
}
}
if (assembly == null)
{
throw new FileNotFoundException($"Unable to find assembly '{name}'.");
}
return(assembly);
}
public static string FindAssembly(string name)
{
AssemblyManager.UpdatePath();
string assemblyName = AssemblyManager.FindAssembly(name);
if (assemblyName == null)
{
throw new FileNotFoundException($"Unable to find assembly '{name}' dll or exe.");
}
return(assemblyName);
}
public static Assembly AddReference(string name)
{
AssemblyManager.UpdatePath();
var origNs = AssemblyManager.GetNamespaces();
Assembly assembly = null;
assembly = AssemblyManager.FindLoadedAssembly(name);
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyPath(name);
}
if (assembly == null && AssemblyManager.TryParseAssemblyName(name) is { } parsedName)
{
assembly = AssemblyManager.LoadAssembly(parsedName);
}
if (assembly == null)
{
assembly = AssemblyManager.LoadAssemblyFullPath(name);
}
if (assembly == null)
{
throw new FileNotFoundException($"Unable to find assembly '{name}'.");
}
// Classes that are not in a namespace needs an extra nudge to be found.
ImportHook.UpdateCLRModuleDict();
// A bit heavyhanded, but we can't use the AssemblyManager's AssemblyLoadHandler
// method because it may be called from other threads, leading to deadlocks
// if it is called while Python code is executing.
var currNs = AssemblyManager.GetNamespaces().Except(origNs);
foreach (var ns in currNs)
{
ImportHook.AddNamespaceWithGIL(ns);
}
return(assembly);
}
//===================================================================
// The actual import hook that ties Python to the managed world.
//===================================================================
public static IntPtr __import__(IntPtr self, IntPtr args, IntPtr kw)
{
// Replacement for the builtin __import__. The original import
// hook is saved as this.py_import. This version handles CLR
// import and defers to the normal builtin for everything else.
int num_args = Runtime.PyTuple_Size(args);
if (num_args < 1)
{
return(Exceptions.RaiseTypeError(
"__import__() takes at least 1 argument (0 given)"
));
}
// borrowed reference
IntPtr py_mod_name = Runtime.PyTuple_GetItem(args, 0);
if ((py_mod_name == IntPtr.Zero) ||
(!Runtime.IsStringType(py_mod_name)))
{
return(Exceptions.RaiseTypeError("string expected"));
}
// Check whether the import is of the form 'from x import y'.
// This determines whether we return the head or tail module.
IntPtr fromList = IntPtr.Zero;
bool fromlist = false;
if (num_args >= 4)
{
fromList = Runtime.PyTuple_GetItem(args, 3);
if ((fromList != IntPtr.Zero) &&
(Runtime.PyObject_IsTrue(fromList) == 1))
{
fromlist = true;
}
}
string mod_name = Runtime.GetManagedString(py_mod_name);
// Check these BEFORE the built-in import runs; may as well
// do the Incref()ed return here, since we've already found
// the module.
if (mod_name == "clr")
{
root.InitializePreload();
Runtime.Incref(root.pyHandle);
return(root.pyHandle);
}
if (mod_name == "CLR")
{
Exceptions.deprecation("The CLR module is deprecated. " +
"Please use 'clr'.");
root.InitializePreload();
Runtime.Incref(root.pyHandle);
return(root.pyHandle);
}
string realname = mod_name;
if (mod_name.StartsWith("CLR."))
{
realname = mod_name.Substring(4);
string msg = String.Format("Importing from the CLR.* namespace " +
"is deprecated. Please import '{0}' directly.", realname);
Exceptions.deprecation(msg);
}
else
{
// 2010-08-15: Always seemed smart to let python try first...
// This shaves off a few tenths of a second on test_module.py
// and works around a quirk where 'sys' is found by the
// LoadImplicit() deprecation logic.
// Turns out that the AssemblyManager.ResolveHandler() checks to see if any
// Assembly's FullName.ToLower().StartsWith(name.ToLower()), which makes very
// little sense to me.
IntPtr res = Runtime.PyObject_Call(py_import, args, kw);
if (res != IntPtr.Zero)
{
// There was no error.
return(res);
}
// There was an error
if (!Exceptions.ExceptionMatches(Exceptions.ImportError))
{
// and it was NOT an ImportError; bail out here.
return(IntPtr.Zero);
}
// Otherwise, just clear the it.
Exceptions.Clear();
}
string[] names = realname.Split('.');
// Now we need to decide if the name refers to a CLR module,
// and may have to do an implicit load (for b/w compatibility)
// using the AssemblyManager. The assembly manager tries
// really hard not to use Python objects or APIs, because
// parts of it can run recursively and on strange threads.
//
// It does need an opportunity from time to time to check to
// see if sys.path has changed, in a context that is safe. Here
// we know we have the GIL, so we'll let it update if needed.
AssemblyManager.UpdatePath();
if (!AssemblyManager.IsValidNamespace(realname))
{
bool fromFile = false;
if (AssemblyManager.LoadImplicit(realname, out fromFile))
{
if (true == fromFile)
{
string deprWarning = String.Format("\nThe module was found, but not in a referenced namespace.\n" +
"Implicit loading is deprecated. Please use clr.AddReference(\"{0}\").", realname);
Exceptions.deprecation(deprWarning);
}
}
else
{
// May be called when a module being imported imports a module.
// In particular, I've seen decimal import copy import org.python.core
return(Runtime.PyObject_Call(py_import, args, kw));
}
}
// See if sys.modules for this interpreter already has the
// requested module. If so, just return the exising module.
IntPtr modules = Runtime.PyImport_GetModuleDict();
IntPtr module = Runtime.PyDict_GetItem(modules, py_mod_name);
if (module != IntPtr.Zero)
{
if (fromlist)
{
Runtime.Incref(module);
return(module);
}
module = Runtime.PyDict_GetItemString(modules, names[0]);
Runtime.Incref(module);
return(module);
}
Exceptions.Clear();
// Traverse the qualified module name to get the named module
// and place references in sys.modules as we go. Note that if
// we are running in interactive mode we pre-load the names in
// each module, which is often useful for introspection. If we
// are not interactive, we stick to just-in-time creation of
// objects at lookup time, which is much more efficient.
// NEW: The clr got a new module variable preload. You can
// enable preloading in a non-interactive python processing by
// setting clr.preload = True
ModuleObject head = (mod_name == realname) ? null : root;
ModuleObject tail = root;
root.InitializePreload();
for (int i = 0; i < names.Length; i++)
{
string name = names[i];
ManagedType mt = tail.GetAttribute(name, true);
if (!(mt is ModuleObject))
{
string error = String.Format("No module named {0}", name);
Exceptions.SetError(Exceptions.ImportError, error);
return(IntPtr.Zero);
}
if (head == null)
{
head = (ModuleObject)mt;
}
tail = (ModuleObject)mt;
if (CLRModule.preload)
{
tail.LoadNames();
}
Runtime.PyDict_SetItemString(modules, tail.moduleName,
tail.pyHandle
);
}
ModuleObject mod = fromlist ? tail : head;
if (fromlist && Runtime.PySequence_Size(fromList) == 1)
{
IntPtr fp = Runtime.PySequence_GetItem(fromList, 0);
if ((!CLRModule.preload) && Runtime.GetManagedString(fp) == "*")
{
mod.LoadNames();
}
Runtime.Decref(fp);
}
Runtime.Incref(mod.pyHandle);
return(mod.pyHandle);
}
public static string FindAssembly(string name)
{
AssemblyManager.UpdatePath();
return(AssemblyManager.FindAssembly(name));
}
/// <summary>
/// The actual import hook that ties Python to the managed world.
/// </summary>
public static IntPtr __import__(IntPtr self, IntPtr args, IntPtr kw)
{
// Replacement for the builtin __import__. The original import
// hook is saved as this.py_import. This version handles CLR
// import and defers to the normal builtin for everything else.
var num_args = Runtime.PyTuple_Size(args);
if (num_args < 1)
{
return(Exceptions.RaiseTypeError("__import__() takes at least 1 argument (0 given)"));
}
// borrowed reference
IntPtr py_mod_name = Runtime.PyTuple_GetItem(args, 0);
if (py_mod_name == IntPtr.Zero ||
!Runtime.IsStringType(py_mod_name))
{
return(Exceptions.RaiseTypeError("string expected"));
}
// Check whether the import is of the form 'from x import y'.
// This determines whether we return the head or tail module.
IntPtr fromList = IntPtr.Zero;
var fromlist = false;
if (num_args >= 4)
{
fromList = Runtime.PyTuple_GetItem(args, 3);
if (fromList != IntPtr.Zero &&
Runtime.PyObject_IsTrue(fromList) == 1)
{
fromlist = true;
}
}
string mod_name = Runtime.GetManagedString(py_mod_name);
// Check these BEFORE the built-in import runs; may as well
// do the Incref()ed return here, since we've already found
// the module.
if (mod_name == "clr" || mod_name == "CLR")
{
if (mod_name == "CLR")
{
Exceptions.deprecation("The CLR module is deprecated. Please use 'clr'.");
}
IntPtr clr_module = GetCLRModule(fromList);
if (clr_module != IntPtr.Zero)
{
IntPtr sys_modules = Runtime.PyImport_GetModuleDict();
if (sys_modules != IntPtr.Zero)
{
Runtime.PyDict_SetItemString(sys_modules, "clr", clr_module);
}
}
return(clr_module);
}
string realname = mod_name;
string clr_prefix = null;
if (mod_name.StartsWith("CLR."))
{
clr_prefix = "CLR."; // prepend when adding the module to sys.modules
realname = mod_name.Substring(4);
string msg = $"Importing from the CLR.* namespace is deprecated. Please import '{realname}' directly.";
Exceptions.deprecation(msg);
}
else
{
// 2010-08-15: Always seemed smart to let python try first...
// This shaves off a few tenths of a second on test_module.py
// and works around a quirk where 'sys' is found by the
// LoadImplicit() deprecation logic.
// Turns out that the AssemblyManager.ResolveHandler() checks to see if any
// Assembly's FullName.ToLower().StartsWith(name.ToLower()), which makes very
// little sense to me.
IntPtr res = Runtime.PyObject_Call(py_import, args, kw);
if (res != IntPtr.Zero)
{
// There was no error.
if (fromlist && IsLoadAll(fromList))
{
var mod = ManagedType.GetManagedObject(res) as ModuleObject;
mod?.LoadNames();
}
return(res);
}
// There was an error
if (!Exceptions.ExceptionMatches(Exceptions.ImportError))
{
// and it was NOT an ImportError; bail out here.
return(IntPtr.Zero);
}
if (mod_name == string.Empty)
{
// Most likely a missing relative import.
// For example site-packages\bs4\builder\__init__.py uses it to check if a package exists:
// from . import _html5lib
// We don't support them anyway
return(IntPtr.Zero);
}
// Otherwise, just clear the it.
Exceptions.Clear();
}
string[] names = realname.Split('.');
// Now we need to decide if the name refers to a CLR module,
// and may have to do an implicit load (for b/w compatibility)
// using the AssemblyManager. The assembly manager tries
// really hard not to use Python objects or APIs, because
// parts of it can run recursively and on strange threads.
//
// It does need an opportunity from time to time to check to
// see if sys.path has changed, in a context that is safe. Here
// we know we have the GIL, so we'll let it update if needed.
AssemblyManager.UpdatePath();
if (!AssemblyManager.IsValidNamespace(realname))
{
var loadExceptions = new List <Exception>();
if (!AssemblyManager.LoadImplicit(realname, assemblyLoadErrorHandler: loadExceptions.Add))
{
// May be called when a module being imported imports a module.
// In particular, I've seen decimal import copy import org.python.core
IntPtr importResult = Runtime.PyObject_Call(py_import, args, kw);
// TODO: use ModuleNotFoundError in Python 3.6+
if (importResult == IntPtr.Zero && loadExceptions.Count > 0 &&
Exceptions.ExceptionMatches(Exceptions.ImportError))
{
loadExceptions.Add(new PythonException());
var importError = new PyObject(new BorrowedReference(Exceptions.ImportError));
importError.SetAttr("__cause__", new AggregateException(loadExceptions).ToPython());
Runtime.PyErr_SetObject(new BorrowedReference(Exceptions.ImportError), importError.Reference);
}
return(importResult);
}
}
// See if sys.modules for this interpreter already has the
// requested module. If so, just return the existing module.
IntPtr modules = Runtime.PyImport_GetModuleDict();
IntPtr module = Runtime.PyDict_GetItem(modules, py_mod_name);
if (module != IntPtr.Zero)
{
if (fromlist)
{
if (IsLoadAll(fromList))
{
var mod = ManagedType.GetManagedObject(module) as ModuleObject;
mod?.LoadNames();
}
Runtime.XIncref(module);
return(module);
}
if (clr_prefix != null)
{
return(GetCLRModule(fromList));
}
module = Runtime.PyDict_GetItemString(modules, names[0]);
Runtime.XIncref(module);
return(module);
}
Exceptions.Clear();
// Traverse the qualified module name to get the named module
// and place references in sys.modules as we go. Note that if
// we are running in interactive mode we pre-load the names in
// each module, which is often useful for introspection. If we
// are not interactive, we stick to just-in-time creation of
// objects at lookup time, which is much more efficient.
// NEW: The clr got a new module variable preload. You can
// enable preloading in a non-interactive python processing by
// setting clr.preload = True
ModuleObject head = mod_name == realname ? null : root;
ModuleObject tail = root;
root.InitializePreload();
foreach (string name in names)
{
ManagedType mt = tail.GetAttribute(name, true);
if (!(mt is ModuleObject))
{
Exceptions.SetError(Exceptions.ImportError, $"No module named {name}");
return(IntPtr.Zero);
}
if (head == null)
{
head = (ModuleObject)mt;
}
tail = (ModuleObject)mt;
if (CLRModule.preload)
{
tail.LoadNames();
}
// Add the module to sys.modules
Runtime.PyDict_SetItemString(modules, tail.moduleName, tail.pyHandle);
// If imported from CLR add CLR.<modulename> to sys.modules as well
if (clr_prefix != null)
{
Runtime.PyDict_SetItemString(modules, clr_prefix + tail.moduleName, tail.pyHandle);
}
}
{
var mod = fromlist ? tail : head;
if (fromlist && IsLoadAll(fromList))
{
mod.LoadNames();
}
Runtime.XIncref(mod.pyHandle);
return(mod.pyHandle);
}
}
/// <summary>
/// Initialize the runtime...
/// </summary>
internal static void Initialize()
{
if (Interop.Py_IsInitialized() == 0)
{
Interop.Py_Initialize();
}
if (Interop.PyEval_ThreadsInitialized() == 0)
{
Interop.PyEval_InitThreads();
}
IntPtr op;
IntPtr dict;
if (IsPython3)
{
op = Interop.PyImport_ImportModule("builtins");
dict = Interop.PyObject_GetAttrString(op, "__dict__");
}
else // Python2
{
dict = Interop.PyImport_GetModuleDict();
op = Interop.PyDict_GetItemString(dict, "__builtin__");
}
PyNotImplemented = Interop.PyObject_GetAttrString(op, "NotImplemented");
PyBaseObjectType = Interop.PyObject_GetAttrString(op, "object");
PyModuleType = PyObject_Type(op);
PyNone = Interop.PyObject_GetAttrString(op, "None");
PyTrue = Interop.PyObject_GetAttrString(op, "True");
PyFalse = Interop.PyObject_GetAttrString(op, "False");
PyBoolType = PyObject_Type(PyTrue);
PyNoneType = PyObject_Type(PyNone);
PyTypeType = PyObject_Type(PyNoneType);
op = Interop.PyObject_GetAttrString(dict, "keys");
PyMethodType = PyObject_Type(op);
XDecref(op);
// For some arcane reason, builtins.__dict__.__setitem__ is *not*
// a wrapper_descriptor, even though dict.__setitem__ is.
//
// object.__init__ seems safe, though.
op = Interop.PyObject_GetAttrString(PyBaseObjectType, "__init__");
PyWrapperDescriptorType = PyObject_Type(op);
XDecref(op);
#if PYTHON3
XDecref(dict);
#endif
op = PyString_FromString("string");
PyStringType = PyObject_Type(op);
XDecref(op);
op = PyUnicode_FromString("unicode");
PyUnicodeType = PyObject_Type(op);
XDecref(op);
#if PYTHON3
op = Interop.PyBytes_FromString("bytes");
PyBytesType = PyObject_Type(op);
XDecref(op);
#endif
op = Interop.PyTuple_New(0);
PyTupleType = PyObject_Type(op);
XDecref(op);
op = Interop.PyList_New(0);
PyListType = PyObject_Type(op);
XDecref(op);
op = Interop.PyDict_New();
PyDictType = PyObject_Type(op);
XDecref(op);
op = PyInt_FromInt32(0);
PyIntType = PyObject_Type(op);
XDecref(op);
op = Interop.PyLong_FromLong(0);
PyLongType = PyObject_Type(op);
XDecref(op);
op = Interop.PyFloat_FromDouble(0);
PyFloatType = PyObject_Type(op);
XDecref(op);
#if PYTHON3
PyClassType = IntPtr.Zero;
PyInstanceType = IntPtr.Zero;
#elif PYTHON2
IntPtr s = Interop.PyString_FromString("_temp");
IntPtr d = Interop.PyDict_New();
IntPtr c = Interop.PyClass_New(IntPtr.Zero, d, s);
PyClassType = Interop.PyObject_Type(c);
IntPtr i = Interop.PyInstance_New(c, IntPtr.Zero, IntPtr.Zero);
PyInstanceType = Interop.PyObject_Type(i);
XDecref(s);
XDecref(i);
XDecref(c);
XDecref(d);
#endif
Error = new IntPtr(-1);
IntPtr dllLocal = IntPtr.Zero;
if (Interop.GetDllName() != "__Internal")
{
if (OS.IsLinux)
{
dllLocal = NativeMethods_Linux.LoadLibrary(Interop.GetDllName());
}
else if (OS.IsOSX)
{
dllLocal = NativeMethods_OSX.LoadLibrary(Interop.GetDllName());
}
else if (OS.IsWindows)
{
dllLocal = NativeMethods_Windows.LoadLibrary(Interop.GetDllName());
}
}
if (OS.IsLinux)
{
_PyObject_NextNotImplemented = NativeMethods_Linux.GetProcAddress(dllLocal, "_PyObject_NextNotImplemented");
}
else if (OS.IsOSX)
{
_PyObject_NextNotImplemented = NativeMethods_OSX.GetProcAddress(dllLocal, "_PyObject_NextNotImplemented");
}
else if (OS.IsWindows)
{
_PyObject_NextNotImplemented = NativeMethods_Windows.GetProcAddress(dllLocal, "_PyObject_NextNotImplemented");
}
if (OS.IsWindows && dllLocal != IntPtr.Zero)
{
NativeMethods_Windows.FreeLibrary(dllLocal);
}
// Initialize modules that depend on the runtime class.
AssemblyManager.Initialize();
PyCLRMetaType = MetaType.Initialize();
Exceptions.Initialize();
ImportHook.Initialize();
// Need to add the runtime directory to sys.path so that we
// can find built-in assemblies like System.Data, et. al.
string rtdir = RuntimeEnvironment.GetRuntimeDirectory();
IntPtr path = Interop.PySys_GetObject("path");
IntPtr item = PyString_FromString(rtdir);
Interop.PyList_Append(path, item);
XDecref(item);
AssemblyManager.UpdatePath();
}
//===================================================================
// The actual import hook that ties Python to the managed world.
//===================================================================
public static IntPtr __import__(IntPtr self, IntPtr args, IntPtr kw)
{
// Replacement for the builtin __import__. The original import
// hook is saved as this.py_import. This version handles CLR
// import and defers to the normal builtin for everything else.
int num_args = Runtime.PyTuple_Size(args);
if (num_args < 1)
{
return(Exceptions.RaiseTypeError(
"__import__() takes at least 1 argument (0 given)"
));
}
// borrowed reference
IntPtr py_mod_name = Runtime.PyTuple_GetItem(args, 0);
if ((py_mod_name == IntPtr.Zero) ||
(!Runtime.IsStringType(py_mod_name)))
{
return(Exceptions.RaiseTypeError("string expected"));
}
// Check whether the import is of the form 'from x import y'.
// This determines whether we return the head or tail module.
IntPtr fromList = IntPtr.Zero;
bool fromlist = false;
if (num_args >= 4)
{
fromList = Runtime.PyTuple_GetItem(args, 3);
if ((fromList != IntPtr.Zero) &&
(Runtime.PyObject_IsTrue(fromList) == 1))
{
fromlist = true;
}
}
string mod_name = Runtime.GetManagedString(py_mod_name);
if (mod_name == "CLR")
{
Exceptions.deprecation("The CLR module is deprecated. " +
"Please use 'clr'.");
root.InitializePreload();
Runtime.Incref(root.pyHandle);
return(root.pyHandle);
}
if (mod_name == "clr")
{
root.InitializePreload();
Runtime.Incref(root.pyHandle);
return(root.pyHandle);
}
string realname = mod_name;
if (mod_name.StartsWith("CLR."))
{
realname = mod_name.Substring(4);
string msg = String.Format("Importing from the CLR.* namespace " +
"is deprecated. Please import '{0}' directly.", realname);
Exceptions.deprecation(msg);
}
string[] names = realname.Split('.');
// Now we need to decide if the name refers to a CLR module,
// and may have to do an implicit load (for b/w compatibility)
// using the AssemblyManager. The assembly manager tries
// really hard not to use Python objects or APIs, because
// parts of it can run recursively and on strange threads.
//
// It does need an opportunity from time to time to check to
// see if sys.path has changed, in a context that is safe. Here
// we know we have the GIL, so we'll let it update if needed.
AssemblyManager.UpdatePath();
AssemblyManager.LoadImplicit(realname);
if (!AssemblyManager.IsValidNamespace(realname))
{
return(Runtime.PyObject_Call(py_import, args, kw));
}
// See if sys.modules for this interpreter already has the
// requested module. If so, just return the exising module.
IntPtr modules = Runtime.PyImport_GetModuleDict();
IntPtr module = Runtime.PyDict_GetItem(modules, py_mod_name);
if (module != IntPtr.Zero)
{
if (fromlist)
{
Runtime.Incref(module);
return(module);
}
module = Runtime.PyDict_GetItemString(modules, names[0]);
Runtime.Incref(module);
return(module);
}
Exceptions.Clear();
// Traverse the qualified module name to get the named module
// and place references in sys.modules as we go. Note that if
// we are running in interactive mode we pre-load the names in
// each module, which is often useful for introspection. If we
// are not interactive, we stick to just-in-time creation of
// objects at lookup time, which is much more efficient.
// NEW: The clr got a new module variable preload. You can
// enable preloading in a non-interactive python processing by
// setting clr.preload = True
ModuleObject head = (mod_name == realname) ? null : root;
ModuleObject tail = root;
root.InitializePreload();
for (int i = 0; i < names.Length; i++)
{
string name = names[i];
ManagedType mt = tail.GetAttribute(name, true);
if (!(mt is ModuleObject))
{
string error = String.Format("No module named {0}", name);
Exceptions.SetError(Exceptions.ImportError, error);
return(IntPtr.Zero);
}
if (head == null)
{
head = (ModuleObject)mt;
}
tail = (ModuleObject)mt;
if (CLRModule.preload)
{
tail.LoadNames();
}
Runtime.PyDict_SetItemString(modules, tail.moduleName,
tail.pyHandle
);
}
ModuleObject mod = fromlist ? tail : head;
if (fromlist && Runtime.PySequence_Size(fromList) == 1)
{
IntPtr fp = Runtime.PySequence_GetItem(fromList, 0);
if ((!CLRModule.preload) && Runtime.GetManagedString(fp) == "*")
{
mod.LoadNames();
}
Runtime.Decref(fp);
}
Runtime.Incref(mod.pyHandle);
return(mod.pyHandle);
}