python类bool()的实例源码

fypp.py 文件源码 项目:fypp 作者: aradi 项目源码 文件源码 阅读 33 收藏 0 点赞 0 评论 0
def _get_conditional_content(self, fname, spans, conditions, contents):
        out = []
        ieval = []
        peval = []
        multiline = (spans[0][0] != spans[-1][1])
        for condition, content, span in zip(conditions, contents, spans):
            try:
                cond = bool(self._evaluate(condition, fname, span[0]))
            except Exception as exc:
                msg = "exception occured when evaluating '{0}'"\
                      .format(condition)
                raise FyppFatalError(msg, fname, span, exc)
            if cond:
                if self._linenums and not self._diverted and multiline:
                    out.append(linenumdir(span[1], fname))
                outcont, ievalcont, pevalcont = self._render(content)
                ieval += _shiftinds(ievalcont, len(out))
                peval += pevalcont
                out += outcont
                break
        if self._linenums and not self._diverted and multiline:
            out.append(linenumdir(spans[-1][1], fname))
        return out, ieval, peval
numerictypes.py 文件源码 项目:radar 作者: amoose136 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui':
            continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if ((name != 'longdouble' and name != 'clongdouble') or
                   myname not in allTypes.keys()):
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit//2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name
numerictypes.py 文件源码 项目:radar 作者: amoose136 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def issubclass_(arg1, arg2):
    """
    Determine if a class is a subclass of a second class.

    `issubclass_` is equivalent to the Python built-in ``issubclass``,
    except that it returns False instead of raising a TypeError if one
    of the arguments is not a class.

    Parameters
    ----------
    arg1 : class
        Input class. True is returned if `arg1` is a subclass of `arg2`.
    arg2 : class or tuple of classes.
        Input class. If a tuple of classes, True is returned if `arg1` is a
        subclass of any of the tuple elements.

    Returns
    -------
    out : bool
        Whether `arg1` is a subclass of `arg2` or not.

    See Also
    --------
    issubsctype, issubdtype, issctype

    Examples
    --------
    >>> np.issubclass_(np.int32, np.int)
    True
    >>> np.issubclass_(np.int32, np.float)
    False

    """
    try:
        return issubclass(arg1, arg2)
    except TypeError:
        return False
numerictypes.py 文件源码 项目:radar 作者: amoose136 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def issubdtype(arg1, arg2):
    """
    Returns True if first argument is a typecode lower/equal in type hierarchy.

    Parameters
    ----------
    arg1, arg2 : dtype_like
        dtype or string representing a typecode.

    Returns
    -------
    out : bool

    See Also
    --------
    issubsctype, issubclass_
    numpy.core.numerictypes : Overview of numpy type hierarchy.

    Examples
    --------
    >>> np.issubdtype('S1', str)
    True
    >>> np.issubdtype(np.float64, np.float32)
    False

    """
    if issubclass_(arg2, generic):
        return issubclass(dtype(arg1).type, arg2)
    mro = dtype(arg2).type.mro()
    if len(mro) > 1:
        val = mro[1]
    else:
        val = mro[0]
    return issubclass(dtype(arg1).type, val)


# This dictionary allows look up based on any alias for an array data-type
_iotools.py 文件源码 项目:radar 作者: amoose136 项目源码 文件源码 阅读 38 收藏 0 点赞 0 评论 0
def str2bool(value):
    """
    Tries to transform a string supposed to represent a boolean to a boolean.

    Parameters
    ----------
    value : str
        The string that is transformed to a boolean.

    Returns
    -------
    boolval : bool
        The boolean representation of `value`.

    Raises
    ------
    ValueError
        If the string is not 'True' or 'False' (case independent)

    Examples
    --------
    >>> np.lib._iotools.str2bool('TRUE')
    True
    >>> np.lib._iotools.str2bool('false')
    False

    """
    value = value.upper()
    if value == asbytes('TRUE'):
        return True
    elif value == asbytes('FALSE'):
        return False
    else:
        raise ValueError("Invalid boolean")
numerictypes.py 文件源码 项目:krpcScripts 作者: jwvanderbeck 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui':
            continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if ((name != 'longdouble' and name != 'clongdouble') or
                   myname not in allTypes.keys()):
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit//2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name
numerictypes.py 文件源码 项目:krpcScripts 作者: jwvanderbeck 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def issubclass_(arg1, arg2):
    """
    Determine if a class is a subclass of a second class.

    `issubclass_` is equivalent to the Python built-in ``issubclass``,
    except that it returns False instead of raising a TypeError if one
    of the arguments is not a class.

    Parameters
    ----------
    arg1 : class
        Input class. True is returned if `arg1` is a subclass of `arg2`.
    arg2 : class or tuple of classes.
        Input class. If a tuple of classes, True is returned if `arg1` is a
        subclass of any of the tuple elements.

    Returns
    -------
    out : bool
        Whether `arg1` is a subclass of `arg2` or not.

    See Also
    --------
    issubsctype, issubdtype, issctype

    Examples
    --------
    >>> np.issubclass_(np.int32, np.int)
    True
    >>> np.issubclass_(np.int32, np.float)
    False

    """
    try:
        return issubclass(arg1, arg2)
    except TypeError:
        return False
numerictypes.py 文件源码 项目:krpcScripts 作者: jwvanderbeck 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def issubdtype(arg1, arg2):
    """
    Returns True if first argument is a typecode lower/equal in type hierarchy.

    Parameters
    ----------
    arg1, arg2 : dtype_like
        dtype or string representing a typecode.

    Returns
    -------
    out : bool

    See Also
    --------
    issubsctype, issubclass_
    numpy.core.numerictypes : Overview of numpy type hierarchy.

    Examples
    --------
    >>> np.issubdtype('S1', str)
    True
    >>> np.issubdtype(np.float64, np.float32)
    False

    """
    if issubclass_(arg2, generic):
        return issubclass(dtype(arg1).type, arg2)
    mro = dtype(arg2).type.mro()
    if len(mro) > 1:
        val = mro[1]
    else:
        val = mro[0]
    return issubclass(dtype(arg1).type, val)


# This dictionary allows look up based on any alias for an array data-type
_iotools.py 文件源码 项目:krpcScripts 作者: jwvanderbeck 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def str2bool(value):
    """
    Tries to transform a string supposed to represent a boolean to a boolean.

    Parameters
    ----------
    value : str
        The string that is transformed to a boolean.

    Returns
    -------
    boolval : bool
        The boolean representation of `value`.

    Raises
    ------
    ValueError
        If the string is not 'True' or 'False' (case independent)

    Examples
    --------
    >>> np.lib._iotools.str2bool('TRUE')
    True
    >>> np.lib._iotools.str2bool('false')
    False

    """
    value = value.upper()
    if value == asbytes('TRUE'):
        return True
    elif value == asbytes('FALSE'):
        return False
    else:
        raise ValueError("Invalid boolean")
fypp.py 文件源码 项目:fypp 作者: aradi 项目源码 文件源码 阅读 36 收藏 0 点赞 0 评论 0
def render(self, tree, divert=False, fixposition=False):
        '''Renders a tree.

        Args:
            tree (fypp-tree): Tree to render.
            divert (bool): Whether output will be diverted and sent for further
                processing, so that no line numbering directives and
                postprocessing are needed at this stage. (Default: False)
            fixposition (bool): Whether file name and line position (variables
                _FILE_ and _LINE_) should be kept at their current values or
                should be updated continuously. (Default: False).

        Returns: str: Rendered string.
        '''
        diverted = self._diverted
        self._diverted = divert
        fixedposition = self._fixedposition
        self._fixedposition = fixposition
        output, eval_inds, eval_pos = self._render(tree)
        if not self._diverted and eval_inds:
            self._postprocess_eval_lines(output, eval_inds, eval_pos)
        self._diverted = diverted
        self._fixedposition = fixedposition
        txt = ''.join(output)

        return txt
fypp.py 文件源码 项目:fypp 作者: aradi 项目源码 文件源码 阅读 30 收藏 0 点赞 0 评论 0
def _handle_assert(self, fname, span, expr):
        result = ''
        try:
            cond = bool(self._evaluate(expr, fname, span[0]))
        except Exception as exc:
            msg = "exception occured when evaluating assert condition '{0}'"\
                .format(expr)
            raise FyppFatalError(msg, fname, span, exc)
        if not cond:
            msg = "Assertion failed ('{0}')".format(expr)
            raise FyppStopRequest(msg, fname, span)
        if self._linenums and not self._diverted:
            result = linenumdir(span[1], fname)
        return result
numerictypes.py 文件源码 项目:PyDataLondon29-EmbarrassinglyParallelDAWithAWSLambda 作者: SignalMedia 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui':
            continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if ((name != 'longdouble' and name != 'clongdouble') or
                   myname not in allTypes.keys()):
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit//2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name
numerictypes.py 文件源码 项目:PyDataLondon29-EmbarrassinglyParallelDAWithAWSLambda 作者: SignalMedia 项目源码 文件源码 阅读 35 收藏 0 点赞 0 评论 0
def issubclass_(arg1, arg2):
    """
    Determine if a class is a subclass of a second class.

    `issubclass_` is equivalent to the Python built-in ``issubclass``,
    except that it returns False instead of raising a TypeError if one
    of the arguments is not a class.

    Parameters
    ----------
    arg1 : class
        Input class. True is returned if `arg1` is a subclass of `arg2`.
    arg2 : class or tuple of classes.
        Input class. If a tuple of classes, True is returned if `arg1` is a
        subclass of any of the tuple elements.

    Returns
    -------
    out : bool
        Whether `arg1` is a subclass of `arg2` or not.

    See Also
    --------
    issubsctype, issubdtype, issctype

    Examples
    --------
    >>> np.issubclass_(np.int32, np.int)
    True
    >>> np.issubclass_(np.int32, np.float)
    False

    """
    try:
        return issubclass(arg1, arg2)
    except TypeError:
        return False
numerictypes.py 文件源码 项目:PyDataLondon29-EmbarrassinglyParallelDAWithAWSLambda 作者: SignalMedia 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def issubdtype(arg1, arg2):
    """
    Returns True if first argument is a typecode lower/equal in type hierarchy.

    Parameters
    ----------
    arg1, arg2 : dtype_like
        dtype or string representing a typecode.

    Returns
    -------
    out : bool

    See Also
    --------
    issubsctype, issubclass_
    numpy.core.numerictypes : Overview of numpy type hierarchy.

    Examples
    --------
    >>> np.issubdtype('S1', str)
    True
    >>> np.issubdtype(np.float64, np.float32)
    False

    """
    if issubclass_(arg2, generic):
        return issubclass(dtype(arg1).type, arg2)
    mro = dtype(arg2).type.mro()
    if len(mro) > 1:
        val = mro[1]
    else:
        val = mro[0]
    return issubclass(dtype(arg1).type, val)


# This dictionary allows look up based on any alias for an array data-type
numerictypes.py 文件源码 项目:aws-lambda-numpy 作者: vitolimandibhrata 项目源码 文件源码 阅读 32 收藏 0 点赞 0 评论 0
def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui':
            continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if ((name != 'longdouble' and name != 'clongdouble') or
                   myname not in allTypes.keys()):
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit//2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name
numerictypes.py 文件源码 项目:aws-lambda-numpy 作者: vitolimandibhrata 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def issubclass_(arg1, arg2):
    """
    Determine if a class is a subclass of a second class.

    `issubclass_` is equivalent to the Python built-in ``issubclass``,
    except that it returns False instead of raising a TypeError if one
    of the arguments is not a class.

    Parameters
    ----------
    arg1 : class
        Input class. True is returned if `arg1` is a subclass of `arg2`.
    arg2 : class or tuple of classes.
        Input class. If a tuple of classes, True is returned if `arg1` is a
        subclass of any of the tuple elements.

    Returns
    -------
    out : bool
        Whether `arg1` is a subclass of `arg2` or not.

    See Also
    --------
    issubsctype, issubdtype, issctype

    Examples
    --------
    >>> np.issubclass_(np.int32, np.int)
    True
    >>> np.issubclass_(np.int32, np.float)
    False

    """
    try:
        return issubclass(arg1, arg2)
    except TypeError:
        return False
numerictypes.py 文件源码 项目:aws-lambda-numpy 作者: vitolimandibhrata 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def issubdtype(arg1, arg2):
    """
    Returns True if first argument is a typecode lower/equal in type hierarchy.

    Parameters
    ----------
    arg1, arg2 : dtype_like
        dtype or string representing a typecode.

    Returns
    -------
    out : bool

    See Also
    --------
    issubsctype, issubclass_
    numpy.core.numerictypes : Overview of numpy type hierarchy.

    Examples
    --------
    >>> np.issubdtype('S1', str)
    True
    >>> np.issubdtype(np.float64, np.float32)
    False

    """
    if issubclass_(arg2, generic):
        return issubclass(dtype(arg1).type, arg2)
    mro = dtype(arg2).type.mro()
    if len(mro) > 1:
        val = mro[1]
    else:
        val = mro[0]
    return issubclass(dtype(arg1).type, val)


# This dictionary allows look up based on any alias for an array data-type
_iotools.py 文件源码 项目:aws-lambda-numpy 作者: vitolimandibhrata 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def str2bool(value):
    """
    Tries to transform a string supposed to represent a boolean to a boolean.

    Parameters
    ----------
    value : str
        The string that is transformed to a boolean.

    Returns
    -------
    boolval : bool
        The boolean representation of `value`.

    Raises
    ------
    ValueError
        If the string is not 'True' or 'False' (case independent)

    Examples
    --------
    >>> np.lib._iotools.str2bool('TRUE')
    True
    >>> np.lib._iotools.str2bool('false')
    False

    """
    value = value.upper()
    if value == asbytes('TRUE'):
        return True
    elif value == asbytes('FALSE'):
        return False
    else:
        raise ValueError("Invalid boolean")
numerictypes.py 文件源码 项目:lambda-numba 作者: rlhotovy 项目源码 文件源码 阅读 35 收藏 0 点赞 0 评论 0
def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui':
            continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if ((name != 'longdouble' and name != 'clongdouble') or
                   myname not in allTypes.keys()):
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit//2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name
numerictypes.py 文件源码 项目:lambda-numba 作者: rlhotovy 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def issubclass_(arg1, arg2):
    """
    Determine if a class is a subclass of a second class.

    `issubclass_` is equivalent to the Python built-in ``issubclass``,
    except that it returns False instead of raising a TypeError if one
    of the arguments is not a class.

    Parameters
    ----------
    arg1 : class
        Input class. True is returned if `arg1` is a subclass of `arg2`.
    arg2 : class or tuple of classes.
        Input class. If a tuple of classes, True is returned if `arg1` is a
        subclass of any of the tuple elements.

    Returns
    -------
    out : bool
        Whether `arg1` is a subclass of `arg2` or not.

    See Also
    --------
    issubsctype, issubdtype, issctype

    Examples
    --------
    >>> np.issubclass_(np.int32, np.int)
    True
    >>> np.issubclass_(np.int32, np.float)
    False

    """
    try:
        return issubclass(arg1, arg2)
    except TypeError:
        return False
numerictypes.py 文件源码 项目:lambda-numba 作者: rlhotovy 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def issubdtype(arg1, arg2):
    """
    Returns True if first argument is a typecode lower/equal in type hierarchy.

    Parameters
    ----------
    arg1, arg2 : dtype_like
        dtype or string representing a typecode.

    Returns
    -------
    out : bool

    See Also
    --------
    issubsctype, issubclass_
    numpy.core.numerictypes : Overview of numpy type hierarchy.

    Examples
    --------
    >>> np.issubdtype('S1', str)
    True
    >>> np.issubdtype(np.float64, np.float32)
    False

    """
    if issubclass_(arg2, generic):
        return issubclass(dtype(arg1).type, arg2)
    mro = dtype(arg2).type.mro()
    if len(mro) > 1:
        val = mro[1]
    else:
        val = mro[0]
    return issubclass(dtype(arg1).type, val)


# This dictionary allows look up based on any alias for an array data-type
_iotools.py 文件源码 项目:lambda-numba 作者: rlhotovy 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def str2bool(value):
    """
    Tries to transform a string supposed to represent a boolean to a boolean.

    Parameters
    ----------
    value : str
        The string that is transformed to a boolean.

    Returns
    -------
    boolval : bool
        The boolean representation of `value`.

    Raises
    ------
    ValueError
        If the string is not 'True' or 'False' (case independent)

    Examples
    --------
    >>> np.lib._iotools.str2bool('TRUE')
    True
    >>> np.lib._iotools.str2bool('false')
    False

    """
    value = value.upper()
    if value == asbytes('TRUE'):
        return True
    elif value == asbytes('FALSE'):
        return False
    else:
        raise ValueError("Invalid boolean")
numerictypes.py 文件源码 项目:deliver 作者: orchestor 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui':
            continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if ((name != 'longdouble' and name != 'clongdouble') or
                   myname not in allTypes.keys()):
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit//2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name
numerictypes.py 文件源码 项目:deliver 作者: orchestor 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def issubclass_(arg1, arg2):
    """
    Determine if a class is a subclass of a second class.

    `issubclass_` is equivalent to the Python built-in ``issubclass``,
    except that it returns False instead of raising a TypeError if one
    of the arguments is not a class.

    Parameters
    ----------
    arg1 : class
        Input class. True is returned if `arg1` is a subclass of `arg2`.
    arg2 : class or tuple of classes.
        Input class. If a tuple of classes, True is returned if `arg1` is a
        subclass of any of the tuple elements.

    Returns
    -------
    out : bool
        Whether `arg1` is a subclass of `arg2` or not.

    See Also
    --------
    issubsctype, issubdtype, issctype

    Examples
    --------
    >>> np.issubclass_(np.int32, np.int)
    True
    >>> np.issubclass_(np.int32, np.float)
    False

    """
    try:
        return issubclass(arg1, arg2)
    except TypeError:
        return False
numerictypes.py 文件源码 项目:deliver 作者: orchestor 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def issubdtype(arg1, arg2):
    """
    Returns True if first argument is a typecode lower/equal in type hierarchy.

    Parameters
    ----------
    arg1, arg2 : dtype_like
        dtype or string representing a typecode.

    Returns
    -------
    out : bool

    See Also
    --------
    issubsctype, issubclass_
    numpy.core.numerictypes : Overview of numpy type hierarchy.

    Examples
    --------
    >>> np.issubdtype('S1', str)
    True
    >>> np.issubdtype(np.float64, np.float32)
    False

    """
    if issubclass_(arg2, generic):
        return issubclass(dtype(arg1).type, arg2)
    mro = dtype(arg2).type.mro()
    if len(mro) > 1:
        val = mro[1]
    else:
        val = mro[0]
    return issubclass(dtype(arg1).type, val)


# This dictionary allows look up based on any alias for an array data-type
_iotools.py 文件源码 项目:deliver 作者: orchestor 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def str2bool(value):
    """
    Tries to transform a string supposed to represent a boolean to a boolean.

    Parameters
    ----------
    value : str
        The string that is transformed to a boolean.

    Returns
    -------
    boolval : bool
        The boolean representation of `value`.

    Raises
    ------
    ValueError
        If the string is not 'True' or 'False' (case independent)

    Examples
    --------
    >>> np.lib._iotools.str2bool('TRUE')
    True
    >>> np.lib._iotools.str2bool('false')
    False

    """
    value = value.upper()
    if value == asbytes('TRUE'):
        return True
    elif value == asbytes('FALSE'):
        return False
    else:
        raise ValueError("Invalid boolean")
numerictypes.py 文件源码 项目:Alfred 作者: jkachhadia 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def _add_aliases():
    for a in typeinfo.keys():
        name = english_lower(a)
        if not isinstance(typeinfo[a], tuple):
            continue
        typeobj = typeinfo[a][-1]
        # insert bit-width version for this class (if relevant)
        base, bit, char = bitname(typeobj)
        if base[-3:] == 'int' or char[0] in 'ui':
            continue
        if base != '':
            myname = "%s%d" % (base, bit)
            if ((name != 'longdouble' and name != 'clongdouble') or
                   myname not in allTypes.keys()):
                allTypes[myname] = typeobj
                sctypeDict[myname] = typeobj
                if base == 'complex':
                    na_name = '%s%d' % (english_capitalize(base), bit//2)
                elif base == 'bool':
                    na_name = english_capitalize(base)
                    sctypeDict[na_name] = typeobj
                else:
                    na_name = "%s%d" % (english_capitalize(base), bit)
                    sctypeDict[na_name] = typeobj
                sctypeNA[na_name] = typeobj
                sctypeDict[na_name] = typeobj
                sctypeNA[typeobj] = na_name
                sctypeNA[typeinfo[a][0]] = na_name
        if char != '':
            sctypeDict[char] = typeobj
            sctypeNA[char] = na_name
numerictypes.py 文件源码 项目:Alfred 作者: jkachhadia 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def issubclass_(arg1, arg2):
    """
    Determine if a class is a subclass of a second class.

    `issubclass_` is equivalent to the Python built-in ``issubclass``,
    except that it returns False instead of raising a TypeError if one
    of the arguments is not a class.

    Parameters
    ----------
    arg1 : class
        Input class. True is returned if `arg1` is a subclass of `arg2`.
    arg2 : class or tuple of classes.
        Input class. If a tuple of classes, True is returned if `arg1` is a
        subclass of any of the tuple elements.

    Returns
    -------
    out : bool
        Whether `arg1` is a subclass of `arg2` or not.

    See Also
    --------
    issubsctype, issubdtype, issctype

    Examples
    --------
    >>> np.issubclass_(np.int32, np.int)
    True
    >>> np.issubclass_(np.int32, np.float)
    False

    """
    try:
        return issubclass(arg1, arg2)
    except TypeError:
        return False
numerictypes.py 文件源码 项目:Alfred 作者: jkachhadia 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def issubdtype(arg1, arg2):
    """
    Returns True if first argument is a typecode lower/equal in type hierarchy.

    Parameters
    ----------
    arg1, arg2 : dtype_like
        dtype or string representing a typecode.

    Returns
    -------
    out : bool

    See Also
    --------
    issubsctype, issubclass_
    numpy.core.numerictypes : Overview of numpy type hierarchy.

    Examples
    --------
    >>> np.issubdtype('S1', str)
    True
    >>> np.issubdtype(np.float64, np.float32)
    False

    """
    if issubclass_(arg2, generic):
        return issubclass(dtype(arg1).type, arg2)
    mro = dtype(arg2).type.mro()
    if len(mro) > 1:
        val = mro[1]
    else:
        val = mro[0]
    return issubclass(dtype(arg1).type, val)


# This dictionary allows look up based on any alias for an array data-type
_iotools.py 文件源码 项目:Alfred 作者: jkachhadia 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def str2bool(value):
    """
    Tries to transform a string supposed to represent a boolean to a boolean.

    Parameters
    ----------
    value : str
        The string that is transformed to a boolean.

    Returns
    -------
    boolval : bool
        The boolean representation of `value`.

    Raises
    ------
    ValueError
        If the string is not 'True' or 'False' (case independent)

    Examples
    --------
    >>> np.lib._iotools.str2bool('TRUE')
    True
    >>> np.lib._iotools.str2bool('false')
    False

    """
    value = value.upper()
    if value == asbytes('TRUE'):
        return True
    elif value == asbytes('FALSE'):
        return False
    else:
        raise ValueError("Invalid boolean")


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