public static object fromkeys(CodeContext context, PythonType cls, object seq, object value)
{
XRange xr = seq as XRange;
if (xr != null)
{
int n = xr.__len__();
object ret = PythonContext.GetContext(context).CallSplat(cls);
if (ret.GetType() == typeof(PythonDictionary))
{
PythonDictionary dr = ret as PythonDictionary;
for (int i = 0; i < n; i++)
{
dr[xr[i]] = value;
}
}
else
{
// slow path, user defined dict
PythonContext pc = PythonContext.GetContext(context);
for (int i = 0; i < n; i++)
{
pc.SetIndex(ret, xr[i], value);
}
}
return(ret);
}
return(fromkeysAny(context, cls, seq, value));
}
private static object fromkeysAny(CodeContext /*!*/ context, PythonType cls, object o, object value)
{
PythonDictionary pyDict;
object dict;
if (cls == TypeCache.Dict)
{
string str;
ICollection ic = o as ICollection;
// creating our own dict, try and get the ideal size and add w/o locks
if (ic != null)
{
pyDict = new PythonDictionary(new CommonDictionaryStorage(ic.Count));
}
else if ((str = o as string) != null)
{
pyDict = new PythonDictionary(str.Length);
}
else
{
pyDict = new PythonDictionary();
}
IEnumerator i = PythonOps.GetEnumerator(o);
while (i.MoveNext())
{
pyDict._storage.AddNoLock(ref pyDict._storage, i.Current, value);
}
return(pyDict);
}
else
{
// call the user type constructor
dict = MakeDict(context, cls);
pyDict = dict as PythonDictionary;
}
if (pyDict != null)
{
// then store all the keys with their associated value
IEnumerator i = PythonOps.GetEnumerator(o);
while (i.MoveNext())
{
pyDict[i.Current] = value;
}
}
else
{
// slow path, cls.__new__ returned a user defined dictionary instead of a PythonDictionary.
PythonContext pc = PythonContext.GetContext(context);
IEnumerator i = PythonOps.GetEnumerator(o);
while (i.MoveNext())
{
pc.SetIndex(dict, i.Current, value);
}
}
return(dict);
}