'i \ddlmZmZmZmZddlmZddlmZGddeee Z e Z y))absolute_importdivisionprint_functionunicode_literals)with_metaclass) MetaParamsc*eZdZdZdZdZdZdZdZy)SizeraQThis is the base class for *Sizers*. Any *sizer* should subclass this and override the ``_getsizing`` method Member Attribs: - ``strategy``: will be set by the strategy in which the sizer is working Gives access to the entire api of the strategy, for example if the actual data position would be needed in ``_getsizing``:: position = self.strategy.getposition(data) - ``broker``: will be set by the strategy in which the sizer is working Gives access to information some complex sizers may need like portfolio value, .. Nc|jj|}|j||jj||SN)brokergetcommissioninfo _getsizinggetcash)selfdataisbuycomminfos N/var/www/app/trading-bot/venv/lib/python3.12/site-packages/backtrader/sizer.py getsizingzSizer.getsizing2s8;;006x)<)<)>eLLct)aThis method has to be overriden by subclasses of Sizer to provide the sizing functionality Params: - ``comminfo``: The CommissionInfo instance that contains information about the commission for the data and allows calculation of position value, operation cost, commision for the operation - ``cash``: current available cash in the *broker* - ``data``: target of the operation - ``isbuy``: will be ``True`` for *buy* operations and ``False`` for *sell* operations The method has to return the actual size (an int) to be executed. If ``0`` is returned nothing will be executed. The absolute value of the returned value will be used )NotImplementedError)rrcashrrs rrzSizer._getsizing6s ."!rc ||_||_yr )strategyr)rrrs rsetz Sizer.setOs   r) __name__ __module__ __qualname____doc__rrrrrrrr r s#"H FM"2rr N) __future__rrrr utils.py3rmetabaser objectr SizerBaser#rrr)s2***& 4N:v .4n  r