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DanielGoldfarbDanielGoldfarb
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more kwarg descriptions for mpf.plot() 
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‎src/mplfinance/plotting.py

Lines changed: 40 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -133,19 +133,21 @@ def _valid_plot_kwargs():
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'Validator' : lambda value: _kwarg_not_implemented(value) },
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'marketcolor_overrides' : { 'Default' : None,
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'Description' : '',
136+
'Description' : 'sequence of color objects to override market colors.'+
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'sequence must be same length as ohlc(v) DataFrame. Each'+
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'color object may be a color, marketcolor object, or None.',
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'Validator' : _mco_validator },
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'mco_faceonly' : { 'Default' : False, # If True: Override only the face of the candle
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'Description' : '',
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'Description' : 'True/False marketcolor_overrides only apply to face of candle.',
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'Validator' : lambda value: isinstance(value,bool) },
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'no_xgaps' : { 'Default' : True, # None means follow default logic below:
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'Description' : '',
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'Validator' : lambda value: _warn_no_xgaps_deprecated(value) },
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'show_nontrading' : { 'Default' : False,
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'Description' : '',
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'Description' : 'True/False show spaces for non-trading days/periods',
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'Validator' : lambda value: isinstance(value,bool) },
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'figscale' : { 'Default' : None, # scale base figure size up or down.
@@ -184,31 +186,34 @@ def _valid_plot_kwargs():
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'Validator' : lambda value: isinstance(value,(str,dict)) },
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'ylabel' : { 'Default' : 'Price', # y-axis label
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'Description' : '',
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'Description' : 'label for y-axis of main plot',
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'Validator' : lambda value: isinstance(value,str) },
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'ylabel_lower' : { 'Default' : None, # y-axis label default logic below
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'Description' : '',
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'Description' : 'label for y-axis of volume',
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'Validator' : lambda value: isinstance(value,str) },
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'addplot' : { 'Default' : None,
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'Description' : '',
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'Description' : 'addplot object or sequence of addplot objects (from `mpf.make_addplot()`)',
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'Validator' : lambda value: isinstance(value,dict) or (isinstance(value,list) and all([isinstance(d,dict) for d in value])) },
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'savefig' : { 'Default' : None,
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'Description' : '',
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'Description' : 'file name, or BytesIO, or dict with key `fname` plus other keys allowed as '+
202+
' kwargs to matplotlib `Figure.savefig()`',
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'Validator' : lambda value: isinstance(value,dict) or isinstance(value,str) or isinstance(value, io.BytesIO) or isinstance(value, os.PathLike) },
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'block' : { 'Default' : None,
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'Description' : '',
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'Description' : 'True/False wait for figure to be closed before returning',
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'Validator' : lambda value: isinstance(value,bool) },
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'returnfig' : { 'Default' : False,
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'Description' : '',
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'Description' : 'return Figure and list of Axes objects created by mplfinance;'+
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' user must display plot when ready, usually by calling `mpf.show()`',
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'Validator' : lambda value: isinstance(value,bool) },
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'return_calculated_values' : { 'Default' : None,
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'Description' : '',
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'Description' : 'set to a variable containing an empty dict; `mpf.plot()` will fill'+
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' the dict with various mplfinance calculated values',
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'Validator' : lambda value: isinstance(value, dict) and len(value) == 0},
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'set_ylim' : { 'Default' : None,
@@ -221,7 +226,7 @@ def _valid_plot_kwargs():
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and all([isinstance(v,(int,float)) for v in value])},
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'xlim' : { 'Default' : None,
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'Description' : 'Limits for x-axis as tuple (min, max), i.e. (left,right)',
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'Description' : 'Limits for x-axis as tuple (min,max), i.e. (left,right)',
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'Validator' : lambda value: _xlim_validator(value) },
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'set_ylim_panelB' : { 'Default' : None,
@@ -230,23 +235,42 @@ def _valid_plot_kwargs():
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'hlines' : { 'Default' : None,
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'Description' : '',
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'Description' : 'Draw one or more HORIZONTAL LINES across entire plot, by'+
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' specifying a price, or sequence of prices. May also be a dict'+
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' with key `hlines` specifying a price or sequence of prices, plus'+
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' one or more of the following keys: `colors`, `linestyle`,'+
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' `linewidths`, `alpha`.',
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'Validator' : lambda value: _hlines_validator(value) },
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'vlines' : { 'Default' : None,
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'Description' : '',
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'Description' : 'Draw one or more VERTICAL LINES across entire plot, by'+
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' specifying a date[time], or sequence of date[time]. May also'+
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' be a dict with key `vlines` specifying a date[time] or sequence'+
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' of date[time], plus one or more of the following keys:'+
250+
' `colors`, `linestyle`, `linewidths`, `alpha`.',
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'Validator' : lambda value: _vlines_validator(value) },
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'alines' : { 'Default' : None,
240-
'Description' : '',
254+
'Description' : 'Draw one or more ARBITRARY LINES anywhere on the plot, by'+
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' specifying a sequence of two or more date/price pairs, or by'+
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' specifying a sequence of sequences of two or more date/price pairs.'+
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' May also be a dict with key `alines` (as date/price pairs described above),'+
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' plus one or more of the following keys:'+
259+
' `colors`, `linestyle`, `linewidths`, `alpha`.',
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'Validator' : lambda value: _alines_validator(value) },
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243262
'tlines' : { 'Default' : None,
244-
'Description' : '',
263+
'Description' : 'Draw one or more TREND LINES by specifying one or more pairs of date[times]'+
264+
' between which each trend line should be drawn. May also be a dict with key'+
265+
' `tlines` as just described, plus one or more of the following keys:'+
266+
' `colors`, `linestyle`, `linewidths`, `alpha`, `tline_use`,`tline_method`.',
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'Validator' : lambda value: _tlines_validator(value) },
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'panel_ratios' : { 'Default' : None,
248-
'Description' : '',
249-
'Validator' : lambda value: isinstance(value,(tuple,list)) and len(value) <= 10 and
270+
'Description' : 'sequence of numbers indicating relative sizes of panels; sequence len'+
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' must be same as number of panels, or len 2 where first entry is for'+
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' main panel, and second entry is for all other panels',
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'Validator' : lambda value: isinstance(value,(tuple,list)) and len(value) <= 32 and
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all([isinstance(v,(int,float)) for v in value]) },
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'main_panel' : { 'Default' : 0,

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