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302 lines (268 loc) · 9.41 KB
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using NumSharp;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
namespace Tensorflow
{
/// <summary>
/// Mapping C# functions to Python
/// </summary>
public static class Python
{
public static void print(object obj)
{
Console.WriteLine(obj.ToString());
}
//protected int len<T>(IEnumerable<T> a)
// => a.Count();
public static int len(object a)
{
switch (a)
{
case Array arr:
return arr.Length;
case IList arr:
return arr.Count;
case ICollection arr:
return arr.Count;
case NDArray ndArray:
return ndArray.len;
case IEnumerable enumerable:
return enumerable.OfType<object>().Count();
}
throw new NotImplementedException("len() not implemented for type: " + a.GetType());
}
public static IEnumerable<int> range(int end)
{
return Enumerable.Range(0, end);
}
public static IEnumerable<int> range(int start, int end)
{
return Enumerable.Range(start, end - start);
}
public static T New<T>(object args) where T : IPyClass
{
var instance = Activator.CreateInstance<T>();
instance.__init__(instance, args);
return instance;
}
[DebuggerNonUserCode()] // with "Just My Code" enabled this lets the debugger break at the origin of the exception
public static void with(IPython py, Action<IPython> action)
{
try
{
py.__enter__();
action(py);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
throw;
}
finally
{
py.__exit__();
py.Dispose();
}
}
[DebuggerNonUserCode()] // with "Just My Code" enabled this lets the debugger break at the origin of the exception
public static void with<T>(T py, Action<T> action) where T : IPython
{
try
{
py.__enter__();
action(py);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
throw;
}
finally
{
py.__exit__();
py.Dispose();
}
}
[DebuggerNonUserCode()] // with "Just My Code" enabled this lets the debugger break at the origin of the exception
public static TOut with<TIn, TOut>(TIn py, Func<TIn, TOut> action) where TIn : IPython
{
try
{
py.__enter__();
return action(py);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
throw;
return default(TOut);
}
finally
{
py.__exit__();
py.Dispose();
}
}
public static float time()
{
return (float)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
}
public static IEnumerable<(T, T)> zip<T>(NDArray t1, NDArray t2)
{
for (int i = 0; i < t1.size; i++)
yield return (t1.Data<T>(i), t2.Data<T>(i));
}
public static IEnumerable<(T1, T2)> zip<T1, T2>(IList<T1> t1, IList<T2> t2)
{
for (int i = 0; i < t1.Count; i++)
yield return (t1[i], t2[i]);
}
public static IEnumerable<(T1, T2)> zip<T1, T2>(NDArray t1, NDArray t2)
{
for (int i = 0; i < t1.size; i++)
yield return (t1.Data<T1>(i), t2.Data<T2>(i));
}
public static IEnumerable<(T1, T2)> zip<T1, T2>(IEnumerable<T1> e1, IEnumerable<T2> e2)
{
var iter2 = e2.GetEnumerator();
foreach (var v1 in e1)
{
iter2.MoveNext();
var v2 = iter2.Current;
yield return (v1, v2);
}
}
public static IEnumerable<(TKey, TValue)> enumerate<TKey, TValue>(Dictionary<TKey, TValue> values)
{
foreach (var item in values)
yield return (item.Key, item.Value);
}
public static IEnumerable<(TKey, TValue)> enumerate<TKey, TValue>(KeyValuePair<TKey, TValue>[] values)
{
foreach (var item in values)
yield return (item.Key, item.Value);
}
public static IEnumerable<(int, T)> enumerate<T>(IList<T> values)
{
for (int i = 0; i < values.Count; i++)
yield return (i, values[i]);
}
public static Dictionary<string, object> ConvertToDict(object dyn)
{
var dictionary = new Dictionary<string, object>();
foreach (PropertyDescriptor propertyDescriptor in TypeDescriptor.GetProperties(dyn))
{
object obj = propertyDescriptor.GetValue(dyn);
string name = propertyDescriptor.Name;
dictionary.Add(name, obj);
}
return dictionary;
}
public static bool all(IEnumerable enumerable)
{
foreach (var e1 in enumerable)
{
if (!Convert.ToBoolean(e1))
return false;
}
return true;
}
public static bool any(IEnumerable enumerable)
{
foreach (var e1 in enumerable)
{
if (Convert.ToBoolean(e1))
return true;
}
return false;
}
public static double sum(IEnumerable enumerable)
{
var typedef = new Type[] { typeof(double), typeof(int), typeof(float) };
var sum = 0.0d;
foreach (var e1 in enumerable)
{
if (!typedef.Contains(e1.GetType()))
throw new Exception("Numeric array expected");
sum += (double)e1;
}
return sum;
}
public static double sum<TKey, TValue>(Dictionary<TKey, TValue> values)
{
return sum(values.Keys);
}
public static IEnumerable<double> slice(double start, double end, double step = 1)
{
for (double i = start; i < end; i += step)
yield return i;
}
public static IEnumerable<float> slice(float start, float end, float step = 1)
{
for (float i = start; i < end; i += step)
yield return i;
}
public static IEnumerable<int> slice(int start, int end, int step = 1)
{
for (int i = start; i < end; i += step)
yield return i;
}
public static IEnumerable<int> slice(int range)
{
for (int i = 0; i < range; i++)
yield return i;
}
public static bool hasattr(object obj, string key)
{
var __type__ = (obj).GetType();
var __member__ = __type__.GetMembers();
var __memberobject__ = __type__.GetMember(key);
return (__memberobject__.Length > 0) ? true : false;
}
public delegate object __object__(params object[] args);
public static __object__ getattr(object obj, string key, params Type[] ___parameter_type__)
{
var __dyn_obj__ = obj.GetType().GetMember(key);
if (__dyn_obj__.Length == 0)
throw new Exception("The object \"" + nameof(obj) + "\" doesnot have a defination \"" + key + "\"");
var __type__ = __dyn_obj__[0];
if (__type__.MemberType == System.Reflection.MemberTypes.Method)
{
try
{
var __method__ = (___parameter_type__.Length > 0) ? obj.GetType().GetMethod(key, ___parameter_type__) : obj.GetType().GetMethod(key);
return (__object__)((object[] args) => __method__.Invoke(obj, args));
}
catch (System.Reflection.AmbiguousMatchException ex)
{
throw new Exception("AmbigousFunctionMatchFound : (Probable cause : Function Overloading) Please add parameter types of the function.");
}
}
else if (__type__.MemberType == System.Reflection.MemberTypes.Field)
{
var __field__ = (object)obj.GetType().GetField(key).GetValue(obj);
return (__object__)((object[] args) => { return __field__; });
}
else if (__type__.MemberType == System.Reflection.MemberTypes.Property)
{
var __property__ = (object)obj.GetType().GetProperty(key).GetValue(obj);
return (__object__)((object[] args) => { return __property__; });
}
return (__object__)((object[] args) => { return "NaN"; });
}
}
public interface IPython : IDisposable
{
void __enter__();
void __exit__();
}
public class PyObject<T> where T : IPyClass
{
public T Instance { get; set; }
}
}