public static void warn(CodeContext context, object message, [DefaultParameterValue(null)] PythonType category, [DefaultParameterValue(1)] int stacklevel)
{
PythonContext pContext = PythonContext.GetContext(context);
List argv = pContext.GetSystemStateValue("argv") as List;
PythonDictionary dict = pContext.GetSystemStateValue("__dict__") as PythonDictionary;
if (PythonOps.IsInstance(message, PythonExceptions.Warning))
{
category = DynamicHelpers.GetPythonType(message);
}
if (category == null)
{
category = PythonExceptions.UserWarning;
}
if (!category.IsSubclassOf(PythonExceptions.Warning))
{
throw PythonOps.ValueError("category is not a subclass of Warning");
}
// default behavior without sys._getframe
PythonDictionary globals = Builtin.globals(context) as PythonDictionary;
int lineno = 1;
string module;
string filename;
if (globals != null && globals.ContainsKey("__name__"))
{
module = (string)globals.get("__name__");
}
else
{
module = "<string>";
}
filename = globals.get("__file__") as string;
if (filename == null || filename == "")
{
if (module == "__main__")
{
if (argv != null && argv.Count > 0)
{
filename = argv[0] as string;
}
else
{
// interpreter lacks sys.argv
filename = "__main__";
}
}
if (filename == null || filename == "")
{
filename = module;
}
}
PythonDictionary registry = (PythonDictionary)globals.setdefault("__warningregistry__", new PythonDictionary());
warn_explicit(context, message, category, filename, lineno, module, registry, globals);
}
internal static void showwarning(CodeContext context, object message, PythonType category, string filename, int lineno, object file = null, string line = null)
{
string text = formatwarning(message, category, filename, lineno, line);
try {
if (file == null)
{
PythonContext pContext = context.LanguageContext;
PythonFile stderr = pContext.GetSystemStateValue("stderr") as PythonFile;
if (stderr != null)
{
stderr.write(text);
}
else
{
// use CLR stderr if python's is unavailable
Console.Error.Write(text);
}
}
else
{
if (file is PythonFile)
{
((PythonFile)file).write(text);
}
else if (file is TextWriter)
{
((TextWriter)file).Write(text);
} // unrecognized file type - warning is lost
}
} catch (IOException) {
// invalid file - warning is lost
}
}
private void InitializeEnvironmentVariables()
{
#if !SILVERLIGHT
if (!Options.IgnoreEnvironmentVariables)
{
string warnings = Environment.GetEnvironmentVariable("IRONPYTHONWARNINGS");
object o = PythonContext.GetSystemStateValue("warnoptions");
if (o == null)
{
o = new List();
PythonContext.SetSystemStateValue("warnoptions", o);
}
List warnoptions = o as List;
if (warnoptions != null && !string.IsNullOrEmpty(warnings))
{
string[] warns = warnings.Split(',');
foreach (string warn in warns)
{
warnoptions.Add(warn);
}
}
}
#endif
}
protected override void Initialize()
{
Debug.Assert(Language != null);
base.Initialize();
Console.Output = new OutputWriter(PythonContext, false);
Console.ErrorOutput = new OutputWriter(PythonContext, true);
// TODO: must precede path initialization! (??? - test test_importpkg.py)
int pathIndex = PythonContext.PythonOptions.SearchPaths.Count;
Language.DomainManager.LoadAssembly(typeof(string).Assembly);
Language.DomainManager.LoadAssembly(typeof(System.Diagnostics.Debug).Assembly);
InitializePath(ref pathIndex);
InitializeEnvironmentVariables();
InitializeModules();
InitializeExtensionDLLs();
// ensure the warnings module loads
var warnOptions = PythonContext.GetSystemStateValue("warnoptions") as PythonList;
if (warnOptions?.Count > 0)
{
PythonContext.GetWarningsModule();
}
ImportSite();
// Equivalent to -i command line option
// Check if IRONPYTHONINSPECT was set before execution
string inspectLine = Environment.GetEnvironmentVariable("IRONPYTHONINSPECT");
if (inspectLine != null)
{
Options.Introspection = true;
}
// If running in console mode (including with -c), the current working directory should be
// the first entry in sys.path. If running a script file, however, the CWD should not be added;
// instead, the script's containg folder should be added.
string fullPath = "."; // this is a valid path resolving to current working dir. Pinky-swear.
if (Options.Command == null && Options.FileName != null)
{
if (Options.FileName == "-")
{
Options.FileName = "<stdin>";
}
else
{
if (Directory.Exists(Options.FileName))
{
Options.FileName = Path.Combine(Options.FileName, "__main__.py");
}
if (!File.Exists(Options.FileName))
{
Console.WriteLine(
String.Format(
System.Globalization.CultureInfo.InvariantCulture,
"File {0} does not exist.",
Options.FileName),
Style.Error);
Environment.Exit(1);
}
fullPath = Path.GetDirectoryName(
Language.DomainManager.Platform.GetFullPath(Options.FileName)
);
}
}
PythonContext.InsertIntoPath(0, fullPath);
PythonContext.MainThread = Thread.CurrentThread;
}