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Use traditional linestyle shortcuts #4241

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Use traditional linestyle shortcuts #4241

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8 changes: 7 additions & 1 deletion lib/matplotlib/backend_bases.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1036,7 +1036,8 @@ def set_linewidth(self, w):
def set_linestyle(self, style):
"""
Set the linestyle to be one of ('solid', 'dashed', 'dashdot',
'dotted'). One may specify customized dash styles by providing
'dotted') or traditional shortcuts ('-', '--', '-.', ':').
One may specify customized dash styles by providing
a tuple of (offset, dash pairs). For example, the predefiend
linestyles have following values.:

Expand All @@ -1045,6 +1046,11 @@ def set_linestyle(self, style):
'dotted' : (0, (1.0, 3.0)),
"""

# Conversion from usual shortcuts
conversion = {'-': 'solid', '--': 'dashed',
':': 'dotted', '-.': 'dashdot'}
style = conversion.get(style, style)

if style in self.dashd:
offset, dashes = self.dashd[style]
elif isinstance(style, tuple):
Expand Down