public static object load_module(CodeContext/*!*/ context, string name, PythonFile file, string filename, PythonTuple/*!*/ description) {
if (description == null) {
throw PythonOps.TypeError("load_module() argument 4 must be 3-item sequence, not None");
}
if (description.__len__() != 3) {
throw PythonOps.TypeError("load_module() argument 4 must be sequence of length 3, not {0}", description.__len__());
}
PythonContext pythonContext = PythonContext.GetContext(context);
// already loaded? do reload()
PythonModule module = pythonContext.GetModuleByName(name);
if (module != null) {
Importer.ReloadModule(context, module.Scope);
return module.Scope;
}
int type = PythonContext.GetContext(context).ConvertToInt32(description[2]);
switch (type) {
case PythonSource:
return LoadPythonSource(pythonContext, name, file, filename);
case CBuiltin:
return LoadBuiltinModule(context, name);
case PackageDirectory:
return LoadPackageDirectory(pythonContext, name, filename);
default:
throw PythonOps.TypeError("don't know how to import {0}, (type code {1}", name, type);
}
}
/// <summary>
/// Python ctor - maps to function.__new__
///
/// y = func(x.__code__, globals(), 'foo', None, (a, ))
/// </summary>
public PythonFunction(CodeContext context, FunctionCode code, PythonDictionary globals, string name, PythonTuple defaults, PythonTuple closure) {
if (closure != null && closure.__len__() != 0) {
throw new NotImplementedException("non empty closure argument is not supported");
}
if (globals == context.GlobalDict) {
_module = context.Module.GetName();
_context = context;
} else {
_module = null;
_context = new CodeContext(new PythonDictionary(), new ModuleContext(globals, DefaultContext.DefaultPythonContext));
}
_defaults = defaults == null ? ArrayUtils.EmptyObjects : defaults.ToArray();
_code = code;
_name = name;
_doc = code._initialDoc;
Closure = null;
var scopeStatement = _code.PythonCode;
if (scopeStatement.IsClosure) {
throw new NotImplementedException("code containing closures is not supported");
}
scopeStatement.RewriteBody(FunctionDefinition.ArbitraryGlobalsVisitorInstance);
_compat = CalculatedCachedCompat();
}
public static object load_module(CodeContext /*!*/ context, string name, PythonFile file, string filename, PythonTuple /*!*/ description)
{
if (description == null)
{
throw PythonOps.TypeError("load_module() argument 4 must be 3-item sequence, not None");
}
else if (description.__len__() != 3)
{
throw PythonOps.TypeError("load_module() argument 4 must be sequence of length 3, not {0}", description.__len__());
}
PythonContext pythonContext = PythonContext.GetContext(context);
// already loaded? do reload()
PythonModule module = pythonContext.GetModuleByName(name);
if (module != null)
{
Importer.ReloadModule(context, module, file);
return(module);
}
int type = PythonContext.GetContext(context).ConvertToInt32(description[2]);
switch (type)
{
case PythonSource:
return(LoadPythonSource(pythonContext, name, file, filename));
case CBuiltin:
return(LoadBuiltinModule(context, name));
case PackageDirectory:
return(LoadPackageDirectory(pythonContext, name, filename));
default:
throw PythonOps.TypeError("don't know how to import {0}, (type code {1}", name, type);
}
}
StoreTyped(PythonType _type)
{
uint typeSize = (uint)Marshal.SizeOf(typeof(PyTypeObject));
IntPtr typePtr = this.allocator.Alloc(typeSize);
CPyMarshal.Zero(typePtr, typeSize);
CPyMarshal.WriteIntField(typePtr, typeof(PyTypeObject), "ob_refcnt", 2);
object ob_type = PythonCalls.Call(this.scratchContext, Builtin.type, new object[] { _type });
CPyMarshal.WritePtrField(typePtr, typeof(PyTypeObject), "ob_type", this.Store(ob_type));
string tp_name = (string)_type.__getattribute__(this.scratchContext, "__name__");
CPyMarshal.WritePtrField(typePtr, typeof(PyTypeObject), "tp_name", this.Store(tp_name));
PythonTuple tp_bases = (PythonTuple)_type.__getattribute__(this.scratchContext, "__bases__");
object tp_base = tp_bases[0];
CPyMarshal.WritePtrField(typePtr, typeof(PyTypeObject), "tp_base", this.Store(tp_base));
if (tp_bases.__len__() > 1)
{
CPyMarshal.WritePtrField(typePtr, typeof(PyTypeObject), "tp_bases", this.Store(tp_bases));
}
this.scratchModule.Get__dict__()["_ironclad_bases"] = tp_bases;
this.scratchModule.Get__dict__()["_ironclad_metaclass"] = ob_type;
this.ExecInModule(CodeSnippets.CLASS_STUB_CODE, this.scratchModule);
this.classStubs[typePtr] = this.scratchModule.Get__dict__()["_ironclad_class_stub"];
this.actualisableTypes[typePtr] = new ActualiseDelegate(this.ActualiseArbitraryObject);
this.map.Associate(typePtr, _type);
this.PyType_Ready(typePtr);
return(typePtr);
}
public static void utime(string path, PythonTuple times) {
try {
FileInfo fi = new FileInfo(path);
if (times == null) {
fi.LastAccessTime = DateTime.Now;
fi.LastWriteTime = DateTime.Now;
} else if (times.__len__() == 2) {
DateTime atime = new DateTime(PythonTime.TimestampToTicks(Converter.ConvertToDouble(times[0])), DateTimeKind.Utc);
DateTime mtime = new DateTime(PythonTime.TimestampToTicks(Converter.ConvertToDouble(times[1])), DateTimeKind.Utc);
fi.LastAccessTime = atime;
fi.LastWriteTime = mtime;
} else {
throw PythonOps.TypeError("times value must be a 2-value tuple (atime, mtime)");
}
} catch (Exception e) {
throw ToPythonException(e);
}
}
/// <summary>
/// Convert a (host, port) tuple [IPv4] (host, port, flowinfo, scopeid) tuple [IPv6]
/// to its corresponding IPEndPoint.
///
/// Throws gaierror if host is not a valid address.
/// Throws ArgumentTypeException if any of the following are true:
/// - address does not have exactly two elements
/// - address[0] is not a string
/// - address[1] is not an int
/// </summary>
private static IPEndPoint TupleToEndPoint(CodeContext/*!*/ context, PythonTuple address, AddressFamily family, out string host) {
if (address.__len__() != 2 && address.__len__() != 4) {
throw PythonOps.TypeError("address tuple must have exactly 2 (IPv4) or exactly 4 (IPv6) elements");
}
try {
host = Converter.ConvertToString(address[0]);
} catch (ArgumentTypeException) {
throw PythonOps.TypeError("host must be string");
}
int port;
try {
port = PythonContext.GetContext(context).ConvertToInt32(address[1]);
} catch (ArgumentTypeException) {
throw PythonOps.TypeError("port must be integer");
}
IPAddress ip = HostToAddress(context, host, family);
if (address.__len__() == 2) {
return new IPEndPoint(ip, port);
} else {
try {
Converter.ConvertToInt64(address[2]);
} catch (ArgumentTypeException) {
throw PythonOps.TypeError("flowinfo must be integer");
}
// We don't actually do anything with flowinfo right now, but we validate it
// in case we want to do something in the future.
long scopeId;
try {
scopeId = Converter.ConvertToInt64(address[3]);
} catch (ArgumentTypeException) {
throw PythonOps.TypeError("scopeid must be integer");
}
IPEndPoint endPoint = new IPEndPoint(ip, port);
endPoint.Address.ScopeId = scopeId;
return endPoint;
}
}
public static object getnameinfo(CodeContext/*!*/ context, PythonTuple socketAddr, int flags) {
if (socketAddr.__len__() < 2 || socketAddr.__len__() > 4) {
throw PythonOps.TypeError("socket address must be a 2-tuple (IPv4 or IPv6) or 4-tuple (IPv6)");
}
if ((flags & (int)NI_NUMERICSERV) == 0) {
throw PythonOps.NotImplementedError("getnameinfo() required the NI_NUMERICSERV flag (see docstring)");
}
string host = Converter.ConvertToString(socketAddr[0]);
if (host == null) throw PythonOps.TypeError("argument 1 must be string");
int port = 0;
try {
port = (int)socketAddr[1];
} catch (InvalidCastException) {
throw PythonOps.TypeError("an integer is required");
}
string resultHost = null;
string resultPort = null;
// Host
IPHostEntry hostEntry = null;
try {
// Do double lookup to force reverse DNS lookup to match CPython behavior
hostEntry = Dns.GetHostEntry(host);
if (hostEntry.AddressList.Length < 1) {
throw PythonExceptions.CreateThrowable(error(context), "sockaddr resolved to zero addresses");
}
hostEntry = Dns.GetHostEntry(hostEntry.AddressList[0]);
} catch (SocketException e) {
throw PythonExceptions.CreateThrowable(gaierror(context), e.ErrorCode, e.Message);
} catch (IndexOutOfRangeException) {
throw PythonExceptions.CreateThrowable(gaierror(context), "sockaddr resolved to zero addresses");
}
IList<IPAddress> addrs = hostEntry.AddressList;
if (addrs.Count > 1) {
// ignore non-IPV4 addresses
List<IPAddress> newAddrs = new List<IPAddress>(addrs.Count);
foreach (IPAddress addr in hostEntry.AddressList) {
if (addr.AddressFamily == AddressFamily.InterNetwork) {
newAddrs.Add(addr);
}
}
if (newAddrs.Count > 1) {
throw PythonExceptions.CreateThrowable(error(context), "sockaddr resolved to multiple addresses");
}
addrs = newAddrs;
}
if (addrs.Count < 1) {
throw PythonExceptions.CreateThrowable(error(context), "sockaddr resolved to zero addresses");
}
if ((flags & (int)NI_NUMERICHOST) != 0) {
resultHost = addrs[0].ToString();
} else if ((flags & (int)NI_NOFQDN) != 0) {
resultHost = RemoveLocalDomain(hostEntry.HostName);
} else {
resultHost = hostEntry.HostName;
}
// Port
// We don't branch on NI_NUMERICSERV here since we throw above if it's not set
resultPort = port.ToString();
return PythonTuple.MakeTuple(resultHost, resultPort);
}
/// <summary>
/// Initializes the Exception object with an unlimited number of arguments
/// </summary>
public virtual void __init__(params object[] args\u00F8) {
_args = PythonTuple.MakeTuple(args\u00F8 ?? new object[] { null });
if (_args.__len__() == 1) {
_message = _args[0];
}
}
private void ExpandArgsTuple(List<string> names, PythonTuple toExpand) {
for (int i = 0; i < toExpand.__len__(); i++) {
if (toExpand[i] is PythonTuple) {
ExpandArgsTuple(names, toExpand[i] as PythonTuple);
} else {
names.Add(toExpand[i] as string);
}
}
}
public static PythonType GetItem(TypeGroup self, PythonTuple tuple) {
if (tuple.__len__() == 0) {
return DynamicHelpers.GetPythonTypeFromType(self.NonGenericType);
}
return GetItem(self, tuple._data);
}
private static int[] ValidateDateTimeTuple(CodeContext/*!*/ context, PythonTuple t) {
if (t.__len__() != MaxIndex) throw PythonOps.TypeError("expected tuple of length {0}", MaxIndex);
int[] ints = new int[MaxIndex];
for (int i = 0; i < MaxIndex; i++) {
ints[i] = PythonContext.GetContext(context).ConvertToInt32(t[i]);
}
int year = ints[YearIndex];
if (accept2dyear && (year >= 0 && year <= 99)) {
if (year > 68) {
year += 1900;
} else {
year += 2000;
}
}
if (year < DateTime.MinValue.Year || year <= minYear) throw PythonOps.ValueError("year is too low");
if (year > DateTime.MaxValue.Year) throw PythonOps.ValueError("year is too high");
if (ints[WeekdayIndex] < 0 || ints[WeekdayIndex] >= 7) throw PythonOps.ValueError("day of week is outside of 0-6 range");
return ints;
}
public static object getnameinfo(CodeContext/*!*/ context, PythonTuple socketAddr, int flags) {
if (socketAddr.__len__() < 2 || socketAddr.__len__() > 4) {
throw PythonOps.TypeError("socket address must be a 2-tuple (IPv4 or IPv6) or 4-tuple (IPv6)");
}
string host = Converter.ConvertToString(socketAddr[0]);
if (host == null) throw PythonOps.TypeError("argument 1 must be string");
int port = 0;
try {
port = (int)socketAddr[1];
} catch (InvalidCastException) {
throw PythonOps.TypeError("an integer is required");
}
string resultHost = null;
string resultPort = null;
// Host
IList<IPAddress> addrs = null;
try {
addrs = HostToAddresses(context, host, AddressFamily.InterNetwork);
if (addrs.Count < 1) {
throw PythonExceptions.CreateThrowable(error(context), "sockaddr resolved to zero addresses");
}
} catch (SocketException e) {
throw PythonExceptions.CreateThrowable(gaierror(context), e.ErrorCode, e.Message);
} catch (IndexOutOfRangeException) {
throw PythonExceptions.CreateThrowable(gaierror(context), "sockaddr resolved to zero addresses");
}
if (addrs.Count > 1) {
// ignore non-IPV4 addresses
List<IPAddress> newAddrs = new List<IPAddress>(addrs.Count);
foreach (IPAddress addr in addrs) {
if (addr.AddressFamily == AddressFamily.InterNetwork) {
newAddrs.Add(addr);
}
}
if (newAddrs.Count > 1) {
throw PythonExceptions.CreateThrowable(error(context), "sockaddr resolved to multiple addresses");
}
addrs = newAddrs;
}
if (addrs.Count < 1) {
throw PythonExceptions.CreateThrowable(error(context), "sockaddr resolved to zero addresses");
}
IPHostEntry hostEntry = null;
try {
hostEntry = Dns.GetHostEntry(addrs[0]);
} catch (SocketException e) {
throw PythonExceptions.CreateThrowable(gaierror(context), e.ErrorCode, e.Message);
}
if ((flags & (int)NI_NUMERICHOST) != 0) {
resultHost = addrs[0].ToString();
} else if ((flags & (int)NI_NOFQDN) != 0) {
resultHost = RemoveLocalDomain(hostEntry.HostName);
} else {
resultHost = hostEntry.HostName;
}
// Port
if ((flags & (int)NI_NUMERICSERV) == 0) {
//call the servbyport to translate port if not just use the port.ToString as the result
try{
resultPort = getservbyport(context, port,null);
}
catch{
resultPort = port.ToString();
}
flags = flags | (int)NI_NUMERICSERV;
}
else
resultPort = port.ToString();
return PythonTuple.MakeTuple(resultHost, resultPort);
}
StoreTyped(PythonTuple tuple)
{
int length = tuple.__len__();
IntPtr tuplePtr = this.CreateTuple(length);
IntPtr itemPtr = CPyMarshal.Offset(
tuplePtr, Marshal.OffsetOf(typeof(PyTupleObject), "ob_item"));
for (int i = 0; i < length; i++)
{
CPyMarshal.WritePtr(itemPtr, this.Store(tuple[i]));
itemPtr = CPyMarshal.Offset(itemPtr, CPyMarshal.PtrSize);
}
this.map.Associate(tuplePtr, tuple);
return tuplePtr;
}