Python compat.basestring方法代码示例

# 需要导入模块: from numpy import compat [as 别名]
# 或者: from numpy.compat import basestring [as 别名]
def _compare(self, other):
        if not isinstance(other, (basestring, NumpyVersion)):
            raise ValueError("Invalid object to compare with NumpyVersion.")

        if isinstance(other, basestring):
            other = NumpyVersion(other)

        vercmp = self._compare_version(other)
        if vercmp == 0:
            # Same x.y.z version, check for alpha/beta/rc
            vercmp = self._compare_pre_release(other)
            if vercmp == 0:
                # Same version and same pre-release, check if dev version
                if self.is_devversion is other.is_devversion:
                    vercmp = 0
                elif self.is_devversion:
                    vercmp = -1
                else:
                    vercmp = 1

        return vercmp 

# 需要导入模块: from numpy import compat [as 别名]
# 或者: from numpy.compat import basestring [as 别名]
def is_string(s):
    return isinstance(s, basestring) 

# 需要导入模块: from numpy import compat [as 别名]
# 或者: from numpy.compat import basestring [as 别名]
def _izip_fields(iterable):
    """
    Returns an iterator of concatenated fields from a sequence of arrays.

    """
    for element in iterable:
        if (hasattr(element, '__iter__') and
                not isinstance(element, basestring)):
            for f in _izip_fields(element):
                yield f
        elif isinstance(element, np.void) and len(tuple(element)) == 1:
            for f in _izip_fields(element):
                yield f
        else:
            yield element 

# 需要导入模块: from numpy import compat [as 别名]
# 或者: from numpy.compat import basestring [as 别名]
def __init__(self, delimiter=None, comments='#', autostrip=True, encoding=None):
        delimiter = _decode_line(delimiter)
        comments = _decode_line(comments)

        self.comments = comments

        # Delimiter is a character
        if (delimiter is None) or isinstance(delimiter, basestring):
            delimiter = delimiter or None
            _handyman = self._delimited_splitter
        # Delimiter is a list of field widths
        elif hasattr(delimiter, '__iter__'):
            _handyman = self._variablewidth_splitter
            idx = np.cumsum([0] + list(delimiter))
            delimiter = [slice(i, j) for (i, j) in zip(idx[:-1], idx[1:])]
        # Delimiter is a single integer
        elif int(delimiter):
            (_handyman, delimiter) = (
                    self._fixedwidth_splitter, int(delimiter))
        else:
            (_handyman, delimiter) = (self._delimited_splitter, None)
        self.delimiter = delimiter
        if autostrip:
            self._handyman = self.autostrip(_handyman)
        else:
            self._handyman = _handyman
        self.encoding = encoding
    # 

# 需要导入模块: from numpy import compat [as 别名]
# 或者: from numpy.compat import basestring [as 别名]
def __setitem__(self, indx, value):
        """
        Sets the given record to value.

        """
        MaskedArray.__setitem__(self, indx, value)
        if isinstance(indx, basestring):
            self._mask[indx] = ma.getmaskarray(value) 

# 需要导入模块: from numpy import compat [as 别名]
# 或者: from numpy.compat import basestring [as 别名]
def _test_argv(self, label, verbose, extra_argv):
        ''' Generate argv for nosetest command

        Parameters
        ----------
        label : {'fast', 'full', '', attribute identifier}, optional
            see ``test`` docstring
        verbose : int, optional
            Verbosity value for test outputs, in the range 1-10. Default is 1.
        extra_argv : list, optional
            List with any extra arguments to pass to nosetests.

        Returns
        -------
        argv : list
            command line arguments that will be passed to nose
        '''
        argv = [__file__, self.package_path, '-s']
        if label and label != 'full':
            if not isinstance(label, basestring):
                raise TypeError('Selection label should be a string')
            if label == 'fast':
                label = 'not slow'
            argv += ['-A', label]
        argv += ['--verbosity', str(verbose)]

        # When installing with setuptools, and also in some other cases, the
        # test_*.py files end up marked +x executable. Nose, by default, does
        # not run files marked with +x as they might be scripts. However, in
        # our case nose only looks for test_*.py files under the package
        # directory, which should be safe.
        argv += ['--exe']

        if extra_argv:
            argv += extra_argv
        return argv 

# 需要导入模块: from numpy import compat [as 别名]
# 或者: from numpy.compat import basestring [as 别名]
def __getitem__(self, indx):
        """
        Returns all the fields sharing the same fieldname base.

        The fieldname base is either `_data` or `_mask`.

        """
        _localdict = self.__dict__
        _mask = ndarray.__getattribute__(self, '_mask')
        _data = ndarray.view(self, _localdict['_baseclass'])
        # We want a field
        if isinstance(indx, basestring):
            # Make sure _sharedmask is True to propagate back to _fieldmask
            # Don't use _set_mask, there are some copies being made that
            # break propagation Don't force the mask to nomask, that wreaks
            # easy masking
            obj = _data[indx].view(MaskedArray)
            obj._mask = _mask[indx]
            obj._sharedmask = True
            fval = _localdict['_fill_value']
            if fval is not None:
                obj._fill_value = fval[indx]
            # Force to masked if the mask is True
            if not obj.ndim and obj._mask:
                return masked
            return obj
        # We want some elements.
        # First, the data.
        obj = np.array(_data[indx], copy=False).view(mrecarray)
        obj._mask = np.array(_mask[indx], copy=False).view(recarray)
        return obj