Python numpy.info() Examples

The following are 30 code examples for showing how to use numpy.info(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: recruit   Author: Frank-qlu   File: test_regression.py    License: Apache License 2.0 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 2
Project: lambda-packs   Author: ryfeus   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 3
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 4
Project: vnpy_crypto   Author: birforce   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 5
Project: Computable   Author: ktraunmueller   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 6
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 7
Project: GraphicDesignPatternByPython   Author: Relph1119   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 8
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 9
Project: pySINDy   Author: luckystarufo   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 10
Project: mxnet-lambda   Author: awslabs   File: test_regression.py    License: Apache License 2.0 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 11
Project: pyslam   Author: luigifreda   File: feature_lfnet.py    License: GNU General Public License v3.0 5 votes vote down vote up
def debug(self,pts,scales,orientations,scale_maps,heatmaps):
        print('orientations:',orientations)                     
        print('scales:',scales)            
        print('heatmaps info:')
        np.info(heatmaps)
        print('scalemaps info:')
        np.info(scale_maps)        
        heatmaps_img = img_from_floats(heatmaps)
        cv2.imshow('heatmap',heatmaps_img)             
        scalemaps_img = img_from_floats(scale_maps)
        cv2.imshow('scale maps',scalemaps_img)     
        cv2.waitKey(1) 
Example 12
Project: ImageFusion   Author: pfchai   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 13
Project: elasticintel   Author: securityclippy   File: test_regression.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 14
Project: coffeegrindsize   Author: jgagneastro   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 15
Project: Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda   Author: PacktPublishing   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 16
Project: twitter-stock-recommendation   Author: alvarobartt   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 17
Project: keras-lambda   Author: sunilmallya   File: test_regression.py    License: MIT License 5 votes vote down vote up
def test_py3_compat(self):
        # gh-2561
        # Test if the oldstyle class test is bypassed in python3
        class C():
            """Old-style class in python2, normal class in python3"""
            pass

        out = open(os.devnull, 'w')
        try:
            np.info(C(), output=out)
        except AttributeError:
            raise AssertionError()
        finally:
            out.close() 
Example 18
Project: recruit   Author: Frank-qlu   File: utils.py    License: Apache License 2.0 4 votes vote down vote up
def _info(obj, output=sys.stdout):
    """Provide information about ndarray obj.

    Parameters
    ----------
    obj : ndarray
        Must be ndarray, not checked.
    output
        Where printed output goes.

    Notes
    -----
    Copied over from the numarray module prior to its removal.
    Adapted somewhat as only numpy is an option now.

    Called by info.

    """
    extra = ""
    tic = ""
    bp = lambda x: x
    cls = getattr(obj, '__class__', type(obj))
    nm = getattr(cls, '__name__', cls)
    strides = obj.strides
    endian = obj.dtype.byteorder

    print("class: ", nm, file=output)
    print("shape: ", obj.shape, file=output)
    print("strides: ", strides, file=output)
    print("itemsize: ", obj.itemsize, file=output)
    print("aligned: ", bp(obj.flags.aligned), file=output)
    print("contiguous: ", bp(obj.flags.contiguous), file=output)
    print("fortran: ", obj.flags.fortran, file=output)
    print(
        "data pointer: %s%s" % (hex(obj.ctypes._as_parameter_.value), extra),
        file=output
        )
    print("byteorder: ", end=' ', file=output)
    if endian in ['|', '=']:
        print("%s%s%s" % (tic, sys.byteorder, tic), file=output)
        byteswap = False
    elif endian == '>':
        print("%sbig%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "big"
    else:
        print("%slittle%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "little"
    print("byteswap: ", bp(byteswap), file=output)
    print("type: %s" % obj.dtype, file=output) 
Example 19
Project: recruit   Author: Frank-qlu   File: utils.py    License: Apache License 2.0 4 votes vote down vote up
def source(object, output=sys.stdout):
    """
    Print or write to a file the source code for a NumPy object.

    The source code is only returned for objects written in Python. Many
    functions and classes are defined in C and will therefore not return
    useful information.

    Parameters
    ----------
    object : numpy object
        Input object. This can be any object (function, class, module,
        ...).
    output : file object, optional
        If `output` not supplied then source code is printed to screen
        (sys.stdout).  File object must be created with either write 'w' or
        append 'a' modes.

    See Also
    --------
    lookfor, info

    Examples
    --------
    >>> np.source(np.interp)                        #doctest: +SKIP
    In file: /usr/lib/python2.6/dist-packages/numpy/lib/function_base.py
    def interp(x, xp, fp, left=None, right=None):
        \"\"\".... (full docstring printed)\"\"\"
        if isinstance(x, (float, int, number)):
            return compiled_interp([x], xp, fp, left, right).item()
        else:
            return compiled_interp(x, xp, fp, left, right)

    The source code is only returned for objects written in Python.

    >>> np.source(np.array)                         #doctest: +SKIP
    Not available for this object.

    """
    # Local import to speed up numpy's import time.
    import inspect
    try:
        print("In file: %s\n" % inspect.getsourcefile(object), file=output)
        print(inspect.getsource(object), file=output)
    except Exception:
        print("Not available for this object.", file=output)


# Cache for lookfor: {id(module): {name: (docstring, kind, index), ...}...}
# where kind: "func", "class", "module", "object"
# and index: index in breadth-first namespace traversal 
Example 20
Project: lambda-packs   Author: ryfeus   File: utils.py    License: MIT License 4 votes vote down vote up
def _info(obj, output=sys.stdout):
    """Provide information about ndarray obj.

    Parameters
    ----------
    obj : ndarray
        Must be ndarray, not checked.
    output
        Where printed output goes.

    Notes
    -----
    Copied over from the numarray module prior to its removal.
    Adapted somewhat as only numpy is an option now.

    Called by info.

    """
    extra = ""
    tic = ""
    bp = lambda x: x
    cls = getattr(obj, '__class__', type(obj))
    nm = getattr(cls, '__name__', cls)
    strides = obj.strides
    endian = obj.dtype.byteorder

    print("class: ", nm, file=output)
    print("shape: ", obj.shape, file=output)
    print("strides: ", strides, file=output)
    print("itemsize: ", obj.itemsize, file=output)
    print("aligned: ", bp(obj.flags.aligned), file=output)
    print("contiguous: ", bp(obj.flags.contiguous), file=output)
    print("fortran: ", obj.flags.fortran, file=output)
    print(
        "data pointer: %s%s" % (hex(obj.ctypes._as_parameter_.value), extra),
        file=output
        )
    print("byteorder: ", end=' ', file=output)
    if endian in ['|', '=']:
        print("%s%s%s" % (tic, sys.byteorder, tic), file=output)
        byteswap = False
    elif endian == '>':
        print("%sbig%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "big"
    else:
        print("%slittle%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "little"
    print("byteswap: ", bp(byteswap), file=output)
    print("type: %s" % obj.dtype, file=output) 
Example 21
Project: lambda-packs   Author: ryfeus   File: utils.py    License: MIT License 4 votes vote down vote up
def source(object, output=sys.stdout):
    """
    Print or write to a file the source code for a NumPy object.

    The source code is only returned for objects written in Python. Many
    functions and classes are defined in C and will therefore not return
    useful information.

    Parameters
    ----------
    object : numpy object
        Input object. This can be any object (function, class, module,
        ...).
    output : file object, optional
        If `output` not supplied then source code is printed to screen
        (sys.stdout).  File object must be created with either write 'w' or
        append 'a' modes.

    See Also
    --------
    lookfor, info

    Examples
    --------
    >>> np.source(np.interp)                        #doctest: +SKIP
    In file: /usr/lib/python2.6/dist-packages/numpy/lib/function_base.py
    def interp(x, xp, fp, left=None, right=None):
        \"\"\".... (full docstring printed)\"\"\"
        if isinstance(x, (float, int, number)):
            return compiled_interp([x], xp, fp, left, right).item()
        else:
            return compiled_interp(x, xp, fp, left, right)

    The source code is only returned for objects written in Python.

    >>> np.source(np.array)                         #doctest: +SKIP
    Not available for this object.

    """
    # Local import to speed up numpy's import time.
    import inspect
    try:
        print("In file: %s\n" % inspect.getsourcefile(object), file=output)
        print(inspect.getsource(object), file=output)
    except Exception:
        print("Not available for this object.", file=output)


# Cache for lookfor: {id(module): {name: (docstring, kind, index), ...}...}
# where kind: "func", "class", "module", "object"
# and index: index in breadth-first namespace traversal 
Example 22
Project: lambda-packs   Author: ryfeus   File: utils.py    License: MIT License 4 votes vote down vote up
def _info(obj, output=sys.stdout):
    """Provide information about ndarray obj.

    Parameters
    ----------
    obj : ndarray
        Must be ndarray, not checked.
    output
        Where printed output goes.

    Notes
    -----
    Copied over from the numarray module prior to its removal.
    Adapted somewhat as only numpy is an option now.

    Called by info.

    """
    extra = ""
    tic = ""
    bp = lambda x: x
    cls = getattr(obj, '__class__', type(obj))
    nm = getattr(cls, '__name__', cls)
    strides = obj.strides
    endian = obj.dtype.byteorder

    print("class: ", nm, file=output)
    print("shape: ", obj.shape, file=output)
    print("strides: ", strides, file=output)
    print("itemsize: ", obj.itemsize, file=output)
    print("aligned: ", bp(obj.flags.aligned), file=output)
    print("contiguous: ", bp(obj.flags.contiguous), file=output)
    print("fortran: ", obj.flags.fortran, file=output)
    print(
        "data pointer: %s%s" % (hex(obj.ctypes._as_parameter_.value), extra),
        file=output
        )
    print("byteorder: ", end=' ', file=output)
    if endian in ['|', '=']:
        print("%s%s%s" % (tic, sys.byteorder, tic), file=output)
        byteswap = False
    elif endian == '>':
        print("%sbig%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "big"
    else:
        print("%slittle%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "little"
    print("byteswap: ", bp(byteswap), file=output)
    print("type: %s" % obj.dtype, file=output) 
Example 23
Project: lambda-packs   Author: ryfeus   File: utils.py    License: MIT License 4 votes vote down vote up
def source(object, output=sys.stdout):
    """
    Print or write to a file the source code for a NumPy object.

    The source code is only returned for objects written in Python. Many
    functions and classes are defined in C and will therefore not return
    useful information.

    Parameters
    ----------
    object : numpy object
        Input object. This can be any object (function, class, module,
        ...).
    output : file object, optional
        If `output` not supplied then source code is printed to screen
        (sys.stdout).  File object must be created with either write 'w' or
        append 'a' modes.

    See Also
    --------
    lookfor, info

    Examples
    --------
    >>> np.source(np.interp)                        #doctest: +SKIP
    In file: /usr/lib/python2.6/dist-packages/numpy/lib/function_base.py
    def interp(x, xp, fp, left=None, right=None):
        \"\"\".... (full docstring printed)\"\"\"
        if isinstance(x, (float, int, number)):
            return compiled_interp([x], xp, fp, left, right).item()
        else:
            return compiled_interp(x, xp, fp, left, right)

    The source code is only returned for objects written in Python.

    >>> np.source(np.array)                         #doctest: +SKIP
    Not available for this object.

    """
    # Local import to speed up numpy's import time.
    import inspect
    try:
        print("In file: %s\n" % inspect.getsourcefile(object), file=output)
        print(inspect.getsource(object), file=output)
    except:
        print("Not available for this object.", file=output)


# Cache for lookfor: {id(module): {name: (docstring, kind, index), ...}...}
# where kind: "func", "class", "module", "object"
# and index: index in breadth-first namespace traversal 
Example 24
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: utils.py    License: MIT License 4 votes vote down vote up
def _info(obj, output=sys.stdout):
    """Provide information about ndarray obj.

    Parameters
    ----------
    obj: ndarray
        Must be ndarray, not checked.
    output:
        Where printed output goes.

    Notes
    -----
    Copied over from the numarray module prior to its removal.
    Adapted somewhat as only numpy is an option now.

    Called by info.

    """
    extra = ""
    tic = ""
    bp = lambda x: x
    cls = getattr(obj, '__class__', type(obj))
    nm = getattr(cls, '__name__', cls)
    strides = obj.strides
    endian = obj.dtype.byteorder

    print("class: ", nm, file=output)
    print("shape: ", obj.shape, file=output)
    print("strides: ", strides, file=output)
    print("itemsize: ", obj.itemsize, file=output)
    print("aligned: ", bp(obj.flags.aligned), file=output)
    print("contiguous: ", bp(obj.flags.contiguous), file=output)
    print("fortran: ", obj.flags.fortran, file=output)
    print(
        "data pointer: %s%s" % (hex(obj.ctypes._as_parameter_.value), extra),
        file=output
        )
    print("byteorder: ", end=' ', file=output)
    if endian in ['|', '=']:
        print("%s%s%s" % (tic, sys.byteorder, tic), file=output)
        byteswap = False
    elif endian == '>':
        print("%sbig%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "big"
    else:
        print("%slittle%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "little"
    print("byteswap: ", bp(byteswap), file=output)
    print("type: %s" % obj.dtype, file=output) 
Example 25
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: utils.py    License: MIT License 4 votes vote down vote up
def source(object, output=sys.stdout):
    """
    Print or write to a file the source code for a Numpy object.

    The source code is only returned for objects written in Python. Many
    functions and classes are defined in C and will therefore not return
    useful information.

    Parameters
    ----------
    object : numpy object
        Input object. This can be any object (function, class, module,
        ...).
    output : file object, optional
        If `output` not supplied then source code is printed to screen
        (sys.stdout).  File object must be created with either write 'w' or
        append 'a' modes.

    See Also
    --------
    lookfor, info

    Examples
    --------
    >>> np.source(np.interp)                        #doctest: +SKIP
    In file: /usr/lib/python2.6/dist-packages/numpy/lib/function_base.py
    def interp(x, xp, fp, left=None, right=None):
        \"\"\".... (full docstring printed)\"\"\"
        if isinstance(x, (float, int, number)):
            return compiled_interp([x], xp, fp, left, right).item()
        else:
            return compiled_interp(x, xp, fp, left, right)

    The source code is only returned for objects written in Python.

    >>> np.source(np.array)                         #doctest: +SKIP
    Not available for this object.

    """
    # Local import to speed up numpy's import time.
    import inspect
    try:
        print("In file: %s\n" % inspect.getsourcefile(object), file=output)
        print(inspect.getsource(object), file=output)
    except:
        print("Not available for this object.", file=output)


# Cache for lookfor: {id(module): {name: (docstring, kind, index), ...}...}
# where kind: "func", "class", "module", "object"
# and index: index in breadth-first namespace traversal 
Example 26
Project: vnpy_crypto   Author: birforce   File: utils.py    License: MIT License 4 votes vote down vote up
def _info(obj, output=sys.stdout):
    """Provide information about ndarray obj.

    Parameters
    ----------
    obj : ndarray
        Must be ndarray, not checked.
    output
        Where printed output goes.

    Notes
    -----
    Copied over from the numarray module prior to its removal.
    Adapted somewhat as only numpy is an option now.

    Called by info.

    """
    extra = ""
    tic = ""
    bp = lambda x: x
    cls = getattr(obj, '__class__', type(obj))
    nm = getattr(cls, '__name__', cls)
    strides = obj.strides
    endian = obj.dtype.byteorder

    print("class: ", nm, file=output)
    print("shape: ", obj.shape, file=output)
    print("strides: ", strides, file=output)
    print("itemsize: ", obj.itemsize, file=output)
    print("aligned: ", bp(obj.flags.aligned), file=output)
    print("contiguous: ", bp(obj.flags.contiguous), file=output)
    print("fortran: ", obj.flags.fortran, file=output)
    print(
        "data pointer: %s%s" % (hex(obj.ctypes._as_parameter_.value), extra),
        file=output
        )
    print("byteorder: ", end=' ', file=output)
    if endian in ['|', '=']:
        print("%s%s%s" % (tic, sys.byteorder, tic), file=output)
        byteswap = False
    elif endian == '>':
        print("%sbig%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "big"
    else:
        print("%slittle%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "little"
    print("byteswap: ", bp(byteswap), file=output)
    print("type: %s" % obj.dtype, file=output) 
Example 27
Project: vnpy_crypto   Author: birforce   File: utils.py    License: MIT License 4 votes vote down vote up
def source(object, output=sys.stdout):
    """
    Print or write to a file the source code for a NumPy object.

    The source code is only returned for objects written in Python. Many
    functions and classes are defined in C and will therefore not return
    useful information.

    Parameters
    ----------
    object : numpy object
        Input object. This can be any object (function, class, module,
        ...).
    output : file object, optional
        If `output` not supplied then source code is printed to screen
        (sys.stdout).  File object must be created with either write 'w' or
        append 'a' modes.

    See Also
    --------
    lookfor, info

    Examples
    --------
    >>> np.source(np.interp)                        #doctest: +SKIP
    In file: /usr/lib/python2.6/dist-packages/numpy/lib/function_base.py
    def interp(x, xp, fp, left=None, right=None):
        \"\"\".... (full docstring printed)\"\"\"
        if isinstance(x, (float, int, number)):
            return compiled_interp([x], xp, fp, left, right).item()
        else:
            return compiled_interp(x, xp, fp, left, right)

    The source code is only returned for objects written in Python.

    >>> np.source(np.array)                         #doctest: +SKIP
    Not available for this object.

    """
    # Local import to speed up numpy's import time.
    import inspect
    try:
        print("In file: %s\n" % inspect.getsourcefile(object), file=output)
        print(inspect.getsource(object), file=output)
    except Exception:
        print("Not available for this object.", file=output)


# Cache for lookfor: {id(module): {name: (docstring, kind, index), ...}...}
# where kind: "func", "class", "module", "object"
# and index: index in breadth-first namespace traversal 
Example 28
Project: Computable   Author: ktraunmueller   File: utils.py    License: MIT License 4 votes vote down vote up
def source(object, output=sys.stdout):
    """
    Print or write to a file the source code for a Numpy object.

    The source code is only returned for objects written in Python. Many
    functions and classes are defined in C and will therefore not return
    useful information.

    Parameters
    ----------
    object : numpy object
        Input object. This can be any object (function, class, module, ...).
    output : file object, optional
        If `output` not supplied then source code is printed to screen
        (sys.stdout).  File object must be created with either write 'w' or
        append 'a' modes.

    See Also
    --------
    lookfor, info

    Examples
    --------
    >>> np.source(np.interp)                        #doctest: +SKIP
    In file: /usr/lib/python2.6/dist-packages/numpy/lib/function_base.py
    def interp(x, xp, fp, left=None, right=None):
        \"\"\".... (full docstring printed)\"\"\"
        if isinstance(x, (float, int, number)):
            return compiled_interp([x], xp, fp, left, right).item()
        else:
            return compiled_interp(x, xp, fp, left, right)

    The source code is only returned for objects written in Python.

    >>> np.source(np.array)                         #doctest: +SKIP
    Not available for this object.

    """
    # Local import to speed up numpy's import time.
    import inspect
    try:
        print("In file: %s\n" % inspect.getsourcefile(object), file=output)
        print(inspect.getsource(object), file=output)
    except:
        print("Not available for this object.", file=output)


# Cache for lookfor: {id(module): {name: (docstring, kind, index), ...}...}
# where kind: "func", "class", "module", "object"
# and index: index in breadth-first namespace traversal 
Example 29
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: utils.py    License: MIT License 4 votes vote down vote up
def _info(obj, output=sys.stdout):
    """Provide information about ndarray obj.

    Parameters
    ----------
    obj : ndarray
        Must be ndarray, not checked.
    output
        Where printed output goes.

    Notes
    -----
    Copied over from the numarray module prior to its removal.
    Adapted somewhat as only numpy is an option now.

    Called by info.

    """
    extra = ""
    tic = ""
    bp = lambda x: x
    cls = getattr(obj, '__class__', type(obj))
    nm = getattr(cls, '__name__', cls)
    strides = obj.strides
    endian = obj.dtype.byteorder

    print("class: ", nm, file=output)
    print("shape: ", obj.shape, file=output)
    print("strides: ", strides, file=output)
    print("itemsize: ", obj.itemsize, file=output)
    print("aligned: ", bp(obj.flags.aligned), file=output)
    print("contiguous: ", bp(obj.flags.contiguous), file=output)
    print("fortran: ", obj.flags.fortran, file=output)
    print(
        "data pointer: %s%s" % (hex(obj.ctypes._as_parameter_.value), extra),
        file=output
        )
    print("byteorder: ", end=' ', file=output)
    if endian in ['|', '=']:
        print("%s%s%s" % (tic, sys.byteorder, tic), file=output)
        byteswap = False
    elif endian == '>':
        print("%sbig%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "big"
    else:
        print("%slittle%s" % (tic, tic), file=output)
        byteswap = sys.byteorder != "little"
    print("byteswap: ", bp(byteswap), file=output)
    print("type: %s" % obj.dtype, file=output) 
Example 30
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: utils.py    License: MIT License 4 votes vote down vote up
def source(object, output=sys.stdout):
    """
    Print or write to a file the source code for a NumPy object.

    The source code is only returned for objects written in Python. Many
    functions and classes are defined in C and will therefore not return
    useful information.

    Parameters
    ----------
    object : numpy object
        Input object. This can be any object (function, class, module,
        ...).
    output : file object, optional
        If `output` not supplied then source code is printed to screen
        (sys.stdout).  File object must be created with either write 'w' or
        append 'a' modes.

    See Also
    --------
    lookfor, info

    Examples
    --------
    >>> np.source(np.interp)                        #doctest: +SKIP
    In file: /usr/lib/python2.6/dist-packages/numpy/lib/function_base.py
    def interp(x, xp, fp, left=None, right=None):
        \"\"\".... (full docstring printed)\"\"\"
        if isinstance(x, (float, int, number)):
            return compiled_interp([x], xp, fp, left, right).item()
        else:
            return compiled_interp(x, xp, fp, left, right)

    The source code is only returned for objects written in Python.

    >>> np.source(np.array)                         #doctest: +SKIP
    Not available for this object.

    """
    # Local import to speed up numpy's import time.
    import inspect
    try:
        print("In file: %s\n" % inspect.getsourcefile(object), file=output)
        print(inspect.getsource(object), file=output)
    except Exception:
        print("Not available for this object.", file=output)


# Cache for lookfor: {id(module): {name: (docstring, kind, index), ...}...}
# where kind: "func", "class", "module", "object"
# and index: index in breadth-first namespace traversal