KIKIMR-19287: add task_stats_drawing script

1 files changed, 569 insertions, 0 deletions

diff --git a/contrib/python/matplotlib/py2/src/numpy_cpp.h b/contrib/python/matplotlib/py2/src/numpy_cpp.h
new file mode 100644
index 0000000000..03b4a695d1
--- /dev/null
+++ b/contrib/python/matplotlib/py2/src/numpy_cpp.h
@@ -0,0 +1,569 @@
+/* -*- mode: c++; c-basic-offset: 4 -*- */
+
+#ifndef _NUMPY_CPP_H_
+#define _NUMPY_CPP_H_
+
+/***************************************************************************
+ * This file is based on original work by Mark Wiebe, available at:
+ *
+ *    http://github.com/mwiebe/numpy-cpp
+ *
+ * However, the needs of matplotlib wrappers, such as treating an
+ * empty array as having the correct dimensions, have made this rather
+ * matplotlib-specific, so it's no longer compatible with the
+ * original.
+ */
+
+#include "py_exceptions.h"
+
+#include <complex>
+
+#ifdef _POSIX_C_SOURCE
+#    undef _POSIX_C_SOURCE
+#endif
+#ifndef _AIX
+#ifdef _XOPEN_SOURCE
+#    undef _XOPEN_SOURCE
+#endif
+#endif
+
+// Prevent multiple conflicting definitions of swab from stdlib.h and unistd.h
+#if defined(__sun) || defined(sun)
+#if defined(_XPG4)
+#undef _XPG4
+#endif
+#if defined(_XPG3)
+#undef _XPG3
+#endif
+#endif
+
+#include <Python.h>
+#include <numpy/ndarrayobject.h>
+
+namespace numpy
+{
+
+// Type traits for the NumPy types
+template <typename T>
+struct type_num_of;
+
+/* Be careful with bool arrays as python has sizeof(npy_bool) == 1, but it is
+ * not always the case that sizeof(bool) == 1.  Using the array_view_accessors
+ * is always fine regardless of sizeof(bool), so do this rather than using
+ * array.data() and pointer arithmetic which will not work correctly if
+ * sizeof(bool) != 1. */
+template <> struct type_num_of<bool>
+{
+    enum {
+        value = NPY_BOOL
+    };
+};
+template <>
+struct type_num_of<npy_byte>
+{
+    enum {
+        value = NPY_BYTE
+    };
+};
+template <>
+struct type_num_of<npy_ubyte>
+{
+    enum {
+        value = NPY_UBYTE
+    };
+};
+template <>
+struct type_num_of<npy_short>
+{
+    enum {
+        value = NPY_SHORT
+    };
+};
+template <>
+struct type_num_of<npy_ushort>
+{
+    enum {
+        value = NPY_USHORT
+    };
+};
+template <>
+struct type_num_of<npy_int>
+{
+    enum {
+        value = NPY_INT
+    };
+};
+template <>
+struct type_num_of<npy_uint>
+{
+    enum {
+        value = NPY_UINT
+    };
+};
+template <>
+struct type_num_of<npy_long>
+{
+    enum {
+        value = NPY_LONG
+    };
+};
+template <>
+struct type_num_of<npy_ulong>
+{
+    enum {
+        value = NPY_ULONG
+    };
+};
+template <>
+struct type_num_of<npy_longlong>
+{
+    enum {
+        value = NPY_LONGLONG
+    };
+};
+template <>
+struct type_num_of<npy_ulonglong>
+{
+    enum {
+        value = NPY_ULONGLONG
+    };
+};
+template <>
+struct type_num_of<npy_float>
+{
+    enum {
+        value = NPY_FLOAT
+    };
+};
+template <>
+struct type_num_of<npy_double>
+{
+    enum {
+        value = NPY_DOUBLE
+    };
+};
+#if NPY_LONGDOUBLE != NPY_DOUBLE
+template <>
+struct type_num_of<npy_longdouble>
+{
+    enum {
+        value = NPY_LONGDOUBLE
+    };
+};
+#endif
+template <>
+struct type_num_of<npy_cfloat>
+{
+    enum {
+        value = NPY_CFLOAT
+    };
+};
+template <>
+struct type_num_of<std::complex<npy_float> >
+{
+    enum {
+        value = NPY_CFLOAT
+    };
+};
+template <>
+struct type_num_of<npy_cdouble>
+{
+    enum {
+        value = NPY_CDOUBLE
+    };
+};
+template <>
+struct type_num_of<std::complex<npy_double> >
+{
+    enum {
+        value = NPY_CDOUBLE
+    };
+};
+#if NPY_CLONGDOUBLE != NPY_CDOUBLE
+template <>
+struct type_num_of<npy_clongdouble>
+{
+    enum {
+        value = NPY_CLONGDOUBLE
+    };
+};
+template <>
+struct type_num_of<std::complex<npy_longdouble> >
+{
+    enum {
+        value = NPY_CLONGDOUBLE
+    };
+};
+#endif
+template <>
+struct type_num_of<PyObject *>
+{
+    enum {
+        value = NPY_OBJECT
+    };
+};
+template <typename T>
+struct type_num_of<T &>
+{
+    enum {
+        value = type_num_of<T>::value
+    };
+};
+template <typename T>
+struct type_num_of<const T>
+{
+    enum {
+        value = type_num_of<T>::value
+    };
+};
+
+template <typename T>
+struct is_const
+{
+    enum {
+        value = false
+    };
+};
+template <typename T>
+struct is_const<const T>
+{
+    enum {
+        value = true
+    };
+};
+
+namespace detail
+{
+template <template <typename, int> class AV, typename T, int ND>
+class array_view_accessors;
+
+template <template <typename, int> class AV, typename T>
+class array_view_accessors<AV, T, 1>
+{
+  public:
+    typedef AV<T, 1> AVC;
+    typedef T sub_t;
+
+    T &operator()(npy_intp i)
+    {
+        AVC *self = static_cast<AVC *>(this);
+
+        return *reinterpret_cast<T *>(self->m_data + self->m_strides[0] * i);
+    }
+
+    const T &operator()(npy_intp i) const
+    {
+        const AVC *self = static_cast<const AVC *>(this);
+
+        return *reinterpret_cast<const T *>(self->m_data + self->m_strides[0] * i);
+    }
+
+    T &operator[](npy_intp i)
+    {
+        AVC *self = static_cast<AVC *>(this);
+
+        return *reinterpret_cast<T *>(self->m_data + self->m_strides[0] * i);
+    }
+
+    const T &operator[](npy_intp i) const
+    {
+        const AVC *self = static_cast<const AVC *>(this);
+
+        return *reinterpret_cast<const T *>(self->m_data + self->m_strides[0] * i);
+    }
+};
+
+template <template <typename, int> class AV, typename T>
+class array_view_accessors<AV, T, 2>
+{
+  public:
+    typedef AV<T, 2> AVC;
+    typedef AV<T, 1> sub_t;
+
+    T &operator()(npy_intp i, npy_intp j)
+    {
+        AVC *self = static_cast<AVC *>(this);
+
+        return *reinterpret_cast<T *>(self->m_data + self->m_strides[0] * i +
+                                      self->m_strides[1] * j);
+    }
+
+    const T &operator()(npy_intp i, npy_intp j) const
+    {
+        const AVC *self = static_cast<const AVC *>(this);
+
+        return *reinterpret_cast<const T *>(self->m_data + self->m_strides[0] * i +
+                                            self->m_strides[1] * j);
+    }
+
+    sub_t subarray(npy_intp i) const
+    {
+        const AVC *self = static_cast<const AVC *>(this);
+
+        return sub_t(self->m_arr,
+                     self->m_data + self->m_strides[0] * i,
+                     self->m_shape + 1,
+                     self->m_strides + 1);
+    }
+};
+
+template <template <typename, int> class AV, typename T>
+class array_view_accessors<AV, T, 3>
+{
+  public:
+    typedef AV<T, 3> AVC;
+    typedef AV<T, 2> sub_t;
+
+    T &operator()(npy_intp i, npy_intp j, npy_intp k)
+    {
+        AVC *self = static_cast<AVC *>(this);
+
+        return *reinterpret_cast<T *>(self->m_data + self->m_strides[0] * i +
+                                      self->m_strides[1] * j + self->m_strides[2] * k);
+    }
+
+    const T &operator()(npy_intp i, npy_intp j, npy_intp k) const
+    {
+        const AVC *self = static_cast<const AVC *>(this);
+
+        return *reinterpret_cast<const T *>(self->m_data + self->m_strides[0] * i +
+                                            self->m_strides[1] * j + self->m_strides[2] * k);
+    }
+
+    sub_t subarray(npy_intp i) const
+    {
+        const AVC *self = static_cast<const AVC *>(this);
+
+        return sub_t(self->m_arr,
+                     self->m_data + self->m_strides[0] * i,
+                     self->m_shape + 1,
+                     self->m_strides + 1);
+    }
+
+
+};
+
+// When adding instantiations of array_view_accessors, remember to add entries
+// to zeros[] below.
+
+}
+
+static npy_intp zeros[] = { 0, 0, 0 };
+
+template <typename T, int ND>
+class array_view : public detail::array_view_accessors<array_view, T, ND>
+{
+    friend class detail::array_view_accessors<numpy::array_view, T, ND>;
+
+  private:
+    // Copies of the array data
+    PyArrayObject *m_arr;
+    npy_intp *m_shape;
+    npy_intp *m_strides;
+    char *m_data;
+
+  public:
+    typedef T value_type;
+
+    enum {
+        ndim = ND
+    };
+
+    array_view() : m_arr(NULL), m_data(NULL)
+    {
+        m_shape = zeros;
+        m_strides = zeros;
+    }
+
+    array_view(PyObject *arr, bool contiguous = false) : m_arr(NULL), m_data(NULL)
+    {
+        if (!set(arr, contiguous)) {
+            throw py::exception();
+        }
+    }
+
+    array_view(const array_view &other) : m_arr(NULL), m_data(NULL)
+    {
+        m_arr = other.m_arr;
+        Py_XINCREF(m_arr);
+        m_data = other.m_data;
+        m_shape = other.m_shape;
+        m_strides = other.m_strides;
+    }
+
+    array_view(PyArrayObject *arr, char *data, npy_intp *shape, npy_intp *strides)
+    {
+        m_arr = arr;
+        Py_XINCREF(arr);
+        m_data = data;
+        m_shape = shape;
+        m_strides = strides;
+    }
+
+    array_view(npy_intp shape[ND]) : m_arr(NULL), m_shape(NULL), m_strides(NULL), m_data(NULL)
+    {
+        PyObject *arr = PyArray_SimpleNew(ND, shape, type_num_of<T>::value);
+        if (arr == NULL) {
+            throw py::exception();
+        }
+        if (!set(arr, true)) {
+            Py_DECREF(arr);
+            throw py::exception();
+        }
+        Py_DECREF(arr);
+    }
+
+    ~array_view()
+    {
+        Py_XDECREF(m_arr);
+    }
+
+    array_view& operator=(const array_view &other)
+    {
+        if (this != &other)
+        {
+            Py_XDECREF(m_arr);
+            m_arr = other.m_arr;
+            Py_XINCREF(m_arr);
+            m_data = other.m_data;
+            m_shape = other.m_shape;
+            m_strides = other.m_strides;
+        }
+        return *this;
+    }
+
+    int set(PyObject *arr, bool contiguous = false)
+    {
+        PyArrayObject *tmp;
+
+        if (arr == NULL || arr == Py_None) {
+            Py_XDECREF(m_arr);
+            m_arr = NULL;
+            m_data = NULL;
+            m_shape = zeros;
+            m_strides = zeros;
+        } else {
+            if (contiguous) {
+                tmp = (PyArrayObject *)PyArray_ContiguousFromAny(arr, type_num_of<T>::value, 0, ND);
+            } else {
+                tmp = (PyArrayObject *)PyArray_FromObject(arr, type_num_of<T>::value, 0, ND);
+            }
+            if (tmp == NULL) {
+                return 0;
+            }
+
+            if (PyArray_NDIM(tmp) == 0 || PyArray_DIM(tmp, 0) == 0) {
+                Py_XDECREF(m_arr);
+                m_arr = NULL;
+                m_data = NULL;
+                m_shape = zeros;
+                m_strides = zeros;
+		if (PyArray_NDIM(tmp) == 0 && ND == 0) {
+		    m_arr = tmp;
+		    return 1;
+		}
+            }
+	    if (PyArray_NDIM(tmp) != ND) {
+		PyErr_Format(PyExc_ValueError,
+			     "Expected %d-dimensional array, got %d",
+			     ND,
+			     PyArray_NDIM(tmp));
+		Py_DECREF(tmp);
+		return 0;
+            }
+
+            /* Copy some of the data to the view object for faster access */
+            Py_XDECREF(m_arr);
+            m_arr = tmp;
+            m_shape = PyArray_DIMS(m_arr);
+            m_strides = PyArray_STRIDES(m_arr);
+            m_data = (char *)PyArray_BYTES(tmp);
+        }
+
+        return 1;
+    }
+
+    npy_intp dim(size_t i) const
+    {
+        if (i >= ND) {
+            return 0;
+        }
+        return m_shape[i];
+    }
+
+    /*
+       In most cases, code should use size() instead of dim(0), since
+       size() == 0 when any dimension is 0.
+    */
+    size_t size() const
+    {
+        bool empty = (ND == 0);
+        for (size_t i = 0; i < ND; i++) {
+            if (m_shape[i] == 0) {
+                empty = true;
+            }
+        }
+        if (empty) {
+            return 0;
+        } else {
+            return (size_t)dim(0);
+        }
+    }
+
+    bool empty() const
+    {
+        return size() == 0;
+    }
+
+    // Do not use this for array_view<bool, ND>.  See comment near top of file.
+    const T *data() const
+    {
+        return (const T *)m_data;
+    }
+
+    // Do not use this for array_view<bool, ND>.  See comment near top of file.
+    T *data()
+    {
+        return (T *)m_data;
+    }
+
+    // Return a new reference.
+    PyObject *pyobj()
+    {
+        Py_XINCREF(m_arr);
+        return (PyObject *)m_arr;
+    }
+
+    // Steal a reference.
+    PyObject *pyobj_steal()
+    {
+        return (PyObject *)m_arr;
+    }
+
+    static int converter(PyObject *obj, void *arrp)
+    {
+        array_view<T, ND> *arr = (array_view<T, ND> *)arrp;
+
+        if (!arr->set(obj)) {
+            return 0;
+        }
+
+        return 1;
+    }
+
+    static int converter_contiguous(PyObject *obj, void *arrp)
+    {
+        array_view<T, ND> *arr = (array_view<T, ND> *)arrp;
+
+        if (!arr->set(obj, true)) {
+            return 0;
+        }
+
+        return 1;
+    }
+};
+
+} // namespace numpy
+
+
+#endif