def _gotitem(self, key, ndim, subset=None):
"""
sub-classes to define
return a sliced object
Parameters
----------
key : string / list of selections
ndim : 1,2
requested ndim of result
subset : object, default None
subset to act on
"""
raise AbstractMethodError(self)
def _equals_tag(self, obj, tag):
"""Returns whether an individual DOM node matches a tag
Parameters
----------
obj : a DOM node.
tag : str
Tag to be checked for equality
Returns
-------
is_tag_equal : boolean
boolean indicating if the object is equal to tag 'tag'
"""
raise AbstractMethodError(self)
def _contains_tag(self, obj, tag):
"""Returns whether an individual DOM node has a particular tag
contained within it
Parameters
----------
obj : a DOM node.
tag : str
Tag to be found in this DOM
Returns
-------
does_tag_contain : boolean
boolean indicating if the object contains tag 'tag'
"""
raise AbstractMethodError(self)
def _parse_tables(self, doc, match, attrs):
"""Return all tables from the parsed DOM.
Parameters
----------
doc : the DOM from which to parse the table element.
match : str or regular expression
The text to search for in the DOM tree.
attrs : dict
A dictionary of table attributes that can be used to disambiguate
multiple tables on a page.
Raises
------
ValueError : `match` does not match any text in the document.
Returns
-------
tables : list of HTML <table> elements to be parsed into raw data.
"""
raise AbstractMethodError(self)
def _format_axes(self):
raise AbstractMethodError(self)
def _try_convert_dates(self):
raise AbstractMethodError(self)
def float_precision_choices(self):
raise AbstractMethodError(self)
def read(self, path, columns=None, **kwargs):
raise AbstractMethodError(self)
def aggregate(self, func, *args, **kwargs):
# type: (SelectionFunction, *Any, **Any) -> Any
raise AbstractMethodError(self)
def __unicode__(self):
raise AbstractMethodError(self)
def _sub_datelike(self, other):
raise AbstractMethodError(self)
def _make_accessor(cls, data):
raise AbstractMethodError("_make_accessor should be implemented"
"by subclass and return an instance"
"of `cls`.")
def __unicode__(self):
# type: () -> Text
raise AbstractMethodError(self)
def _box_func(self):
"""
box function to get object from internal representation
"""
raise AbstractMethodError(self)
def _format_footer(self):
raise AbstractMethodError(self)
def _formatter_func(self):
raise AbstractMethodError(self)
def __next__(self):
raise AbstractMethodError(self)
def _update_inplace(self, result, **kwargs):
raise AbstractMethodError(self)
def write(self, df, path, compression, **kwargs):
raise AbstractMethodError(self)
def aggregate(self, func, *args, **kwargs):
raise AbstractMethodError(self)
def _update_inplace(self, result, **kwargs):
# type: (Any, **Any) -> Any
raise AbstractMethodError(self)
