Remove deps on pandas

<https://github.com/ydb-platform/ydb/pull/14418>

<https://github.com/ydb-platform/ydb/pull/14419>
\-- аналогичные правки в gh

Хочу залить в обход синка, чтобы посмотреть удалится ли pandas в нашей gh репе через piglet
commit_hash:abca127aa37d4dbb94b07e1e18cdb8eb5b711860

1 files changed, 0 insertions, 793 deletions

diff --git a/contrib/python/matplotlib/py2/src/_png.cpp b/contrib/python/matplotlib/py2/src/_png.cpp
deleted file mode 100644
index ea7bf32efee..00000000000
--- a/contrib/python/matplotlib/py2/src/_png.cpp
+++ /dev/null
@@ -1,793 +0,0 @@
-/* -*- mode: c++; c-basic-offset: 4 -*- */
-
-/* For linux, png.h must be imported before Python.h because
-   png.h needs to be the one to define setjmp.
-   Undefining _POSIX_C_SOURCE and _XOPEN_SOURCE stops a couple
-   of harmless warnings.
-*/
-#define PY_SSIZE_T_CLEAN
-
-extern "C" {
-#   include <png.h>
-#   ifdef _POSIX_C_SOURCE
-#       undef _POSIX_C_SOURCE
-#   endif
-#   ifndef _AIX
-#   ifdef _XOPEN_SOURCE
-#       undef _XOPEN_SOURCE
-#   endif
-#   endif
-}
-
-#include "numpy_cpp.h"
-#include "mplutils.h"
-#include "file_compat.h"
-
-#   include <vector>
-#   include "Python.h"
-
-
-// As reported in [3082058] build _png.so on aix
-#ifdef _AIX
-#undef jmpbuf
-#endif
-
-struct buffer_t {
-    PyObject *str;
-    size_t cursor;
-    size_t size;
-};
-
-
-static void write_png_data_buffer(png_structp png_ptr, png_bytep data, png_size_t length)
-{
-    buffer_t *buff = (buffer_t *)png_get_io_ptr(png_ptr);
-    if (buff->cursor + length < buff->size) {
-        memcpy(PyBytes_AS_STRING(buff->str) + buff->cursor, data, length);
-        buff->cursor += length;
-    }
-}
-
-static void flush_png_data_buffer(png_structp png_ptr)
-{
-
-}
-
-static void write_png_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
-    PyObject *py_file_obj = (PyObject *)png_get_io_ptr(png_ptr);
-    PyObject *write_method = PyObject_GetAttrString(py_file_obj, "write");
-    PyObject *result = NULL;
-    if (write_method) {
-#if PY3K
-        result = PyObject_CallFunction(write_method, (char *)"y#", data, length);
-#else
-        result = PyObject_CallFunction(write_method, (char *)"s#", data, length);
-#endif
-    }
-    Py_XDECREF(write_method);
-    Py_XDECREF(result);
-}
-
-static void flush_png_data(png_structp png_ptr)
-{
-    PyObject *py_file_obj = (PyObject *)png_get_io_ptr(png_ptr);
-    PyObject *flush_method = PyObject_GetAttrString(py_file_obj, "flush");
-    PyObject *result = NULL;
-    if (flush_method) {
-        result = PyObject_CallFunction(flush_method, (char *)"");
-    }
-    Py_XDECREF(flush_method);
-    Py_XDECREF(result);
-}
-
-const char *Py_write_png__doc__ =
-    "write_png(buffer, file, dpi=0, compression=6, filter=auto, metadata=None)\n"
-    "\n"
-    "Parameters\n"
-    "----------\n"
-    "buffer : numpy array of image data\n"
-    "    Must be an MxNxD array of dtype uint8.\n"
-    "    - if D is 1, the image is greyscale\n"
-    "    - if D is 3, the image is RGB\n"
-    "    - if D is 4, the image is RGBA\n"
-    "\n"
-    "file : str path, file-like object or None\n"
-    "    - If a str, must be a file path\n"
-    "    - If a file-like object, must write bytes\n"
-    "    - If None, a byte string containing the PNG data will be returned\n"
-    "\n"
-    "dpi : float\n"
-    "    The dpi to store in the file metadata.\n"
-    "\n"
-    "compression : int\n"
-    "    The level of lossless zlib compression to apply.  0 indicates no\n"
-    "    compression.  Values 1-9 indicate low/fast through high/slow\n"
-    "    compression.  Default is 6.\n"
-    "\n"
-    "filter : int\n"
-    "    Filter to apply.  Must be one of the constants: PNG_FILTER_NONE,\n"
-    "    PNG_FILTER_SUB, PNG_FILTER_UP, PNG_FILTER_AVG, PNG_FILTER_PAETH.\n"
-    "    See the PNG standard for more information.\n"
-    "    If not provided, libpng will try to automatically determine the\n"
-    "    best filter on a line-by-line basis.\n"
-    "\n"
-    "metadata : dictionary\n"
-    "    The keyword-text pairs that are stored as comments in the image.\n"
-    "    Keys must be shorter than 79 chars. The only supported encoding\n"
-    "    for both keywords and values is Latin-1 (ISO 8859-1).\n"
-    "    Examples given in the PNG Specification are:\n"
-    "    - Title: Short (one line) title or caption for image\n"
-    "    - Author: Name of image's creator\n"
-    "    - Description: Description of image (possibly long)\n"
-    "    - Copyright: Copyright notice\n"
-    "    - Creation Time: Time of original image creation\n"
-    "                     (usually RFC 1123 format, see below)\n"
-    "    - Software: Software used to create the image\n"
-    "    - Disclaimer: Legal disclaimer\n"
-    "    - Warning: Warning of nature of content\n"
-    "    - Source: Device used to create the image\n"
-    "    - Comment: Miscellaneous comment; conversion\n"
-    "               from other image format\n"
-    "\n"
-    "Returns\n"
-    "-------\n"
-    "buffer : bytes or None\n"
-    "    Byte string containing the PNG content if None was passed in for\n"
-    "    file, otherwise None is returned.\n";
-
-// this code is heavily adapted from
-// https://www.object-craft.com.au/projects/paint/ which licensed under the
-// (BSD compatible) LICENSE_PAINT which is included in this distribution.
-static PyObject *Py_write_png(PyObject *self, PyObject *args, PyObject *kwds)
-{
-    numpy::array_view<unsigned char, 3> buffer;
-    PyObject *filein;
-    PyObject *metadata = NULL;
-    PyObject *meta_key, *meta_val;
-    png_text *text;
-    Py_ssize_t pos = 0;
-    int meta_pos = 0;
-    Py_ssize_t meta_size;
-    double dpi = 0;
-    int compression = 6;
-    int filter = -1;
-    const char *names[] = { "buffer", "file", "dpi", "compression", "filter", "metadata", NULL };
-
-    // We don't need strict contiguity, just for each row to be
-    // contiguous, and libpng has special handling for getting RGB out
-    // of RGBA, ARGB or BGR. But the simplest thing to do is to
-    // enforce contiguity using array_view::converter_contiguous.
-    if (!PyArg_ParseTupleAndKeywords(args,
-                                     kwds,
-                                     "O&O|diiO:write_png",
-                                     (char **)names,
-                                     &buffer.converter_contiguous,
-                                     &buffer,
-                                     &filein,
-                                     &dpi,
-                                     &compression,
-                                     &filter,
-                                     &metadata)) {
-        return NULL;
-    }
-
-    png_uint_32 width = (png_uint_32)buffer.dim(1);
-    png_uint_32 height = (png_uint_32)buffer.dim(0);
-    int channels = buffer.dim(2);
-    std::vector<png_bytep> row_pointers(height);
-    for (png_uint_32 row = 0; row < (png_uint_32)height; ++row) {
-        row_pointers[row] = (png_bytep)&buffer(row, 0, 0);
-    }
-
-    FILE *fp = NULL;
-    mpl_off_t offset = 0;
-    bool close_file = false;
-    bool close_dup_file = false;
-    PyObject *py_file = NULL;
-
-    png_structp png_ptr = NULL;
-    png_infop info_ptr = NULL;
-    struct png_color_8_struct sig_bit;
-    int png_color_type;
-    buffer_t buff;
-    buff.str = NULL;
-
-    switch (channels) {
-    case 1:
-        png_color_type = PNG_COLOR_TYPE_GRAY;
-        break;
-    case 3:
-        png_color_type = PNG_COLOR_TYPE_RGB;
-        break;
-    case 4:
-        png_color_type = PNG_COLOR_TYPE_RGB_ALPHA;
-        break;
-    default:
-        PyErr_SetString(PyExc_ValueError,
-                        "Buffer must be an NxMxD array with D in 1, 3, 4 "
-                        "(grayscale, RGB, RGBA)");
-        goto exit;
-    }
-
-    if (compression < 0 || compression > 9) {
-        PyErr_Format(PyExc_ValueError,
-                     "compression must be in range 0-9, got %d", compression);
-        goto exit;
-    }
-
-    if (PyBytes_Check(filein) || PyUnicode_Check(filein)) {
-        if ((py_file = mpl_PyFile_OpenFile(filein, (char *)"wb")) == NULL) {
-            goto exit;
-        }
-        close_file = true;
-    } else {
-        py_file = filein;
-    }
-
-    if (filein == Py_None) {
-        buff.size = width * height * 4 + 1024;
-        buff.str = PyBytes_FromStringAndSize(NULL, buff.size);
-        if (buff.str == NULL) {
-            goto exit;
-        }
-        buff.cursor = 0;
-    } else {
-        #if PY3K
-        if (close_file) {
-        #else
-        if (close_file || PyFile_Check(py_file)) {
-        #endif
-            fp = mpl_PyFile_Dup(py_file, (char *)"wb", &offset);
-        }
-
-        if (fp) {
-            close_dup_file = true;
-        } else {
-            PyErr_Clear();
-            PyObject *write_method = PyObject_GetAttrString(py_file, "write");
-            if (!(write_method && PyCallable_Check(write_method))) {
-                Py_XDECREF(write_method);
-                PyErr_SetString(PyExc_TypeError,
-                                "Object does not appear to be a 8-bit string path or "
-                                "a Python file-like object");
-                goto exit;
-            }
-            Py_XDECREF(write_method);
-        }
-    }
-
-    png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-    if (png_ptr == NULL) {
-        PyErr_SetString(PyExc_RuntimeError, "Could not create write struct");
-        goto exit;
-    }
-
-    png_set_compression_level(png_ptr, compression);
-    if (filter >= 0) {
-        png_set_filter(png_ptr, 0, filter);
-    }
-
-    info_ptr = png_create_info_struct(png_ptr);
-    if (info_ptr == NULL) {
-        PyErr_SetString(PyExc_RuntimeError, "Could not create info struct");
-        goto exit;
-    }
-
-    if (setjmp(png_jmpbuf(png_ptr))) {
-        PyErr_SetString(PyExc_RuntimeError, "libpng signaled error");
-        goto exit;
-    }
-
-    if (buff.str) {
-        png_set_write_fn(png_ptr, (void *)&buff, &write_png_data_buffer, &flush_png_data_buffer);
-    } else if (fp) {
-        png_init_io(png_ptr, fp);
-    } else {
-        png_set_write_fn(png_ptr, (void *)py_file, &write_png_data, &flush_png_data);
-    }
-    png_set_IHDR(png_ptr,
-                 info_ptr,
-                 width,
-                 height,
-                 8,
-                 png_color_type,
-                 PNG_INTERLACE_NONE,
-                 PNG_COMPRESSION_TYPE_BASE,
-                 PNG_FILTER_TYPE_BASE);
-
-    // Save the dpi of the image in the file
-    if (dpi > 0.0) {
-        png_uint_32 dots_per_meter = (png_uint_32)(dpi / (2.54 / 100.0));
-        png_set_pHYs(png_ptr, info_ptr, dots_per_meter, dots_per_meter, PNG_RESOLUTION_METER);
-    }
-
-#ifdef PNG_TEXT_SUPPORTED
-    // Save the metadata
-    if (metadata != NULL) {
-        meta_size = PyDict_Size(metadata);
-        text = new png_text[meta_size];
-
-        while (PyDict_Next(metadata, &pos, &meta_key, &meta_val)) {
-            text[meta_pos].compression = PNG_TEXT_COMPRESSION_NONE;
-#if PY3K
-            if (PyUnicode_Check(meta_key)) {
-                PyObject *temp_key = PyUnicode_AsEncodedString(meta_key, "latin_1", "strict");
-                if (temp_key != NULL) {
-                    text[meta_pos].key = PyBytes_AsString(temp_key);
-                }
-            } else if (PyBytes_Check(meta_key)) {
-                text[meta_pos].key = PyBytes_AsString(meta_key);
-            } else {
-                char invalid_key[79];
-                sprintf(invalid_key,"INVALID KEY %d", meta_pos);
-                text[meta_pos].key = invalid_key;
-            }
-            if (PyUnicode_Check(meta_val)) {
-                PyObject *temp_val = PyUnicode_AsEncodedString(meta_val, "latin_1", "strict");
-                if (temp_val != NULL) {
-                    text[meta_pos].text = PyBytes_AsString(temp_val);
-                }
-            } else if (PyBytes_Check(meta_val)) {
-                text[meta_pos].text = PyBytes_AsString(meta_val);
-            } else {
-                text[meta_pos].text = (char *)"Invalid value in metadata";
-            }
-#else
-            text[meta_pos].key = PyString_AsString(meta_key);
-            text[meta_pos].text = PyString_AsString(meta_val);
-#endif
-#ifdef PNG_iTXt_SUPPORTED
-            text[meta_pos].lang = NULL;
-#endif
-            meta_pos++;
-        }
-        png_set_text(png_ptr, info_ptr, text, meta_size);
-        delete[] text;
-    }
-#endif
-
-    sig_bit.alpha = 0;
-    switch (png_color_type) {
-    case PNG_COLOR_TYPE_GRAY:
-        sig_bit.gray = 8;
-        sig_bit.red = 0;
-        sig_bit.green = 0;
-        sig_bit.blue = 0;
-        break;
-    case PNG_COLOR_TYPE_RGB_ALPHA:
-        sig_bit.alpha = 8;
-        // fall through
-    case PNG_COLOR_TYPE_RGB:
-        sig_bit.gray = 0;
-        sig_bit.red = 8;
-        sig_bit.green = 8;
-        sig_bit.blue = 8;
-        break;
-    default:
-        PyErr_SetString(PyExc_RuntimeError, "internal error, bad png_color_type");
-        goto exit;
-    }
-    png_set_sBIT(png_ptr, info_ptr, &sig_bit);
-
-    png_write_info(png_ptr, info_ptr);
-    png_write_image(png_ptr, &row_pointers[0]);
-    png_write_end(png_ptr, info_ptr);
-
-exit:
-
-    if (png_ptr && info_ptr) {
-        png_destroy_write_struct(&png_ptr, &info_ptr);
-    }
-
-    if (close_dup_file) {
-        mpl_PyFile_DupClose(py_file, fp, offset);
-    }
-
-    if (close_file) {
-        mpl_PyFile_CloseFile(py_file);
-        Py_DECREF(py_file);
-    }
-
-    if (PyErr_Occurred()) {
-        Py_XDECREF(buff.str);
-        return NULL;
-    } else {
-        if (buff.str) {
-            _PyBytes_Resize(&buff.str, buff.cursor);
-            return buff.str;
-        }
-        Py_RETURN_NONE;
-    }
-}
-
-static void _read_png_data(PyObject *py_file_obj, png_bytep data, png_size_t length)
-{
-    PyObject *read_method = PyObject_GetAttrString(py_file_obj, "read");
-    PyObject *result = NULL;
-    char *buffer;
-    Py_ssize_t bufflen;
-    if (read_method) {
-        result = PyObject_CallFunction(read_method, (char *)"i", length);
-        if (result) {
-            if (PyBytes_AsStringAndSize(result, &buffer, &bufflen) == 0) {
-                if (bufflen == (Py_ssize_t)length) {
-                    memcpy(data, buffer, length);
-                } else {
-                    PyErr_SetString(PyExc_IOError, "read past end of file");
-                }
-            } else {
-                PyErr_SetString(PyExc_IOError, "failed to copy buffer");
-            }
-        } else  {
-            PyErr_SetString(PyExc_IOError, "failed to read file");
-        }
-
-
-    }
-    Py_XDECREF(read_method);
-    Py_XDECREF(result);
-}
-
-static void read_png_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
-    PyObject *py_file_obj = (PyObject *)png_get_io_ptr(png_ptr);
-    _read_png_data(py_file_obj, data, length);
-    if (PyErr_Occurred()) {
-        png_error(png_ptr, "failed to read file");
-    }
-
-}
-
-static PyObject *_read_png(PyObject *filein, bool float_result)
-{
-    png_byte header[8]; // 8 is the maximum size that can be checked
-    FILE *fp = NULL;
-    mpl_off_t offset = 0;
-    bool close_file = false;
-    bool close_dup_file = false;
-    PyObject *py_file = NULL;
-    png_structp png_ptr = NULL;
-    png_infop info_ptr = NULL;
-    int num_dims;
-    std::vector<png_bytep> row_pointers;
-    png_uint_32 width = 0;
-    png_uint_32 height = 0;
-    int bit_depth;
-    PyObject *result = NULL;
-
-    // TODO: Remove direct calls to Numpy API here
-
-    if (PyBytes_Check(filein) || PyUnicode_Check(filein)) {
-        if ((py_file = mpl_PyFile_OpenFile(filein, (char *)"rb")) == NULL) {
-            goto exit;
-        }
-        close_file = true;
-    } else {
-        py_file = filein;
-    }
-
-    #if PY3K
-    if (close_file) {
-    #else
-    if (close_file || PyFile_Check(py_file)) {
-    #endif
-        fp = mpl_PyFile_Dup(py_file, (char *)"rb", &offset);
-    }
-
-    if (fp) {
-        close_dup_file = true;
-        if (fread(header, 1, 8, fp) != 8) {
-            PyErr_SetString(PyExc_IOError, "error reading PNG header");
-            goto exit;
-        }
-    } else {
-        PyErr_Clear();
-
-        PyObject *read_method = PyObject_GetAttrString(py_file, "read");
-        if (!(read_method && PyCallable_Check(read_method))) {
-            Py_XDECREF(read_method);
-            PyErr_SetString(PyExc_TypeError,
-                            "Object does not appear to be a 8-bit string path or "
-                            "a Python file-like object");
-            goto exit;
-        }
-        Py_XDECREF(read_method);
-        _read_png_data(py_file, header, 8);
-        if (PyErr_Occurred()) {
-            goto exit;
-        }
-    }
-
-    if (png_sig_cmp(header, 0, 8)) {
-        PyErr_SetString(PyExc_ValueError, "invalid PNG header");
-        goto exit;
-    }
-
-    /* initialize stuff */
-    png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-
-    if (!png_ptr) {
-        PyErr_SetString(PyExc_RuntimeError, "png_create_read_struct failed");
-        goto exit;
-    }
-
-    info_ptr = png_create_info_struct(png_ptr);
-    if (!info_ptr) {
-        PyErr_SetString(PyExc_RuntimeError, "png_create_info_struct failed");
-        goto exit;
-    }
-
-    if (setjmp(png_jmpbuf(png_ptr))) {
-        if (!PyErr_Occurred()) {
-            PyErr_SetString(PyExc_RuntimeError, "error setting jump");
-        }
-        goto exit;
-    }
-
-    if (fp) {
-        png_init_io(png_ptr, fp);
-    } else {
-        png_set_read_fn(png_ptr, (void *)py_file, &read_png_data);
-    }
-    png_set_sig_bytes(png_ptr, 8);
-    png_read_info(png_ptr, info_ptr);
-
-    width = png_get_image_width(png_ptr, info_ptr);
-    height = png_get_image_height(png_ptr, info_ptr);
-
-    bit_depth = png_get_bit_depth(png_ptr, info_ptr);
-
-    // Unpack 1, 2, and 4-bit images
-    if (bit_depth < 8) {
-        png_set_packing(png_ptr);
-    }
-
-    // If sig bits are set, shift data
-    png_color_8p sig_bit;
-    if ((png_get_color_type(png_ptr, info_ptr) != PNG_COLOR_TYPE_PALETTE) &&
-        png_get_sBIT(png_ptr, info_ptr, &sig_bit)) {
-        png_set_shift(png_ptr, sig_bit);
-    }
-
-#if NPY_BYTE_ORDER == NPY_LITTLE_ENDIAN
-    // Convert big endian to little
-    if (bit_depth == 16) {
-        png_set_swap(png_ptr);
-    }
-#endif
-
-    // Convert palletes to full RGB
-    if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_PALETTE) {
-        png_set_palette_to_rgb(png_ptr);
-        bit_depth = 8;
-    }
-
-    // If there's an alpha channel convert gray to RGB
-    if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_GRAY_ALPHA) {
-        png_set_gray_to_rgb(png_ptr);
-    }
-
-    png_set_interlace_handling(png_ptr);
-    png_read_update_info(png_ptr, info_ptr);
-
-    row_pointers.resize(height);
-    for (png_uint_32 row = 0; row < height; row++) {
-        row_pointers[row] = new png_byte[png_get_rowbytes(png_ptr, info_ptr)];
-    }
-
-    png_read_image(png_ptr, &row_pointers[0]);
-
-    npy_intp dimensions[3];
-    dimensions[0] = height; // numrows
-    dimensions[1] = width; // numcols
-    if (png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_ALPHA) {
-        dimensions[2] = 4; // RGBA images
-    } else if (png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_COLOR) {
-        dimensions[2] = 3; // RGB images
-    } else {
-        dimensions[2] = 1; // Greyscale images
-    }
-
-    if (float_result) {
-        double max_value = (1 << bit_depth) - 1;
-
-        numpy::array_view<float, 3> A(dimensions);
-
-        for (png_uint_32 y = 0; y < height; y++) {
-            png_byte *row = row_pointers[y];
-            for (png_uint_32 x = 0; x < width; x++) {
-                if (bit_depth == 16) {
-                    png_uint_16 *ptr = &reinterpret_cast<png_uint_16 *>(row)[x * dimensions[2]];
-                    for (png_uint_32 p = 0; p < (png_uint_32)dimensions[2]; p++) {
-                        A(y, x, p) = (float)(ptr[p]) / max_value;
-                    }
-                } else {
-                    png_byte *ptr = &(row[x * dimensions[2]]);
-                    for (png_uint_32 p = 0; p < (png_uint_32)dimensions[2]; p++) {
-                        A(y, x, p) = (float)(ptr[p]) / max_value;
-                    }
-                }
-            }
-        }
-
-        result = A.pyobj();
-    } else if (bit_depth == 16) {
-        numpy::array_view<png_uint_16, 3> A(dimensions);
-
-        for (png_uint_32 y = 0; y < height; y++) {
-            png_byte *row = row_pointers[y];
-            for (png_uint_32 x = 0; x < width; x++) {
-                png_uint_16 *ptr = &reinterpret_cast<png_uint_16 *>(row)[x * dimensions[2]];
-                for (png_uint_32 p = 0; p < (png_uint_32)dimensions[2]; p++) {
-                    A(y, x, p) = ptr[p];
-                }
-            }
-        }
-
-        result = A.pyobj();
-    } else if (bit_depth == 8) {
-        numpy::array_view<png_byte, 3> A(dimensions);
-
-        for (png_uint_32 y = 0; y < height; y++) {
-            png_byte *row = row_pointers[y];
-            for (png_uint_32 x = 0; x < width; x++) {
-                png_byte *ptr = &(row[x * dimensions[2]]);
-                for (png_uint_32 p = 0; p < (png_uint_32)dimensions[2]; p++) {
-                    A(y, x, p) = ptr[p];
-                }
-            }
-        }
-
-        result = A.pyobj();
-    } else {
-        PyErr_SetString(PyExc_RuntimeError, "image has unknown bit depth");
-        goto exit;
-    }
-
-    // free the png memory
-    png_read_end(png_ptr, info_ptr);
-
-    // For gray, return an x by y array, not an x by y by 1
-    num_dims = (png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_COLOR) ? 3 : 2;
-
-    if (num_dims == 2) {
-        PyArray_Dims dims = {dimensions, 2};
-        PyObject *reshaped = PyArray_Newshape((PyArrayObject *)result, &dims, NPY_CORDER);
-        Py_DECREF(result);
-        result = reshaped;
-    }
-
-exit:
-    if (png_ptr && info_ptr) {
-#ifndef png_infopp_NULL
-        png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
-#else
-        png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
-#endif
-    }
-
-    if (close_dup_file) {
-        mpl_PyFile_DupClose(py_file, fp, offset);
-    }
-
-    if (close_file) {
-        mpl_PyFile_CloseFile(py_file);
-        Py_DECREF(py_file);
-    }
-
-    for (png_uint_32 row = 0; row < height; row++) {
-        delete[] row_pointers[row];
-    }
-
-    if (PyErr_Occurred()) {
-        Py_XDECREF(result);
-        return NULL;
-    } else {
-        return result;
-    }
-}
-
-const char *Py_read_png_float__doc__ =
-    "read_png_float(file)\n"
-    "\n"
-    "Read in a PNG file, converting values to floating-point doubles\n"
-    "in the range (0, 1)\n"
-    "\n"
-    "Parameters\n"
-    "----------\n"
-    "file : str path or file-like object\n";
-
-static PyObject *Py_read_png_float(PyObject *self, PyObject *args, PyObject *kwds)
-{
-    return _read_png(args, true);
-}
-
-const char *Py_read_png_int__doc__ =
-    "read_png_int(file)\n"
-    "\n"
-    "Read in a PNG file with original integer values.\n"
-    "\n"
-    "Parameters\n"
-    "----------\n"
-    "file : str path or file-like object\n";
-
-static PyObject *Py_read_png_int(PyObject *self, PyObject *args, PyObject *kwds)
-{
-    return _read_png(args, false);
-}
-
-const char *Py_read_png__doc__ =
-    "read_png(file)\n"
-    "\n"
-    "Read in a PNG file, converting values to floating-point doubles\n"
-    "in the range (0, 1)\n"
-    "\n"
-    "Alias for read_png_float()\n"
-    "\n"
-    "Parameters\n"
-    "----------\n"
-    "file : str path or file-like object\n";
-
-static PyMethodDef module_methods[] = {
-    {"write_png", (PyCFunction)Py_write_png, METH_VARARGS|METH_KEYWORDS, Py_write_png__doc__},
-    {"read_png", (PyCFunction)Py_read_png_float, METH_O, Py_read_png__doc__},
-    {"read_png_float", (PyCFunction)Py_read_png_float, METH_O, Py_read_png_float__doc__},
-    {"read_png_int", (PyCFunction)Py_read_png_int, METH_O, Py_read_png_int__doc__},
-    {NULL}
-};
-
-extern "C" {
-
-#if PY3K
-    static struct PyModuleDef moduledef = {
-        PyModuleDef_HEAD_INIT,
-        "_png",
-        NULL,
-        0,
-        module_methods,
-        NULL,
-        NULL,
-        NULL,
-        NULL
-    };
-
-#define INITERROR return NULL
-
-    PyMODINIT_FUNC PyInit__png(void)
-
-#else
-#define INITERROR return
-
-    PyMODINIT_FUNC init_png(void)
-#endif
-
-    {
-        PyObject *m;
-
-#if PY3K
-        m = PyModule_Create(&moduledef);
-#else
-        m = Py_InitModule3("_png", module_methods, NULL);
-#endif
-
-        if (m == NULL) {
-            INITERROR;
-        }
-
-        import_array();
-
-        if (PyModule_AddIntConstant(m, "PNG_FILTER_NONE", PNG_FILTER_NONE) ||
-            PyModule_AddIntConstant(m, "PNG_FILTER_SUB", PNG_FILTER_SUB) ||
-            PyModule_AddIntConstant(m, "PNG_FILTER_UP", PNG_FILTER_UP) ||
-            PyModule_AddIntConstant(m, "PNG_FILTER_AVG", PNG_FILTER_AVG) ||
-            PyModule_AddIntConstant(m, "PNG_FILTER_PAETH", PNG_FILTER_PAETH)) {
-            INITERROR;
-        }
-
-
-#if PY3K
-        return m;
-#endif
-    }
-}