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Pyplot ng (don't merge) #2736

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188125e
super rough first pass
tacaswell Nov 22, 2013
e9a7174
fixed imports
tacaswell Nov 29, 2013
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144 changes: 144 additions & 0 deletions lib/matplotlib/_pyplot_ng.py
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Original file line number Diff line number Diff line change
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from functools import wraps

import matplotlib.pyplot as plt
import matplotlib

Axes = matplotlib.axes.Axes
Figure = matplotlib.figure.Figure

WRAP_WITH_HOLD = set((
'acorr',
'angle_spectrum',
'arrow',
'axhline',
'axhspan',
'axvline',
'axvspan',
'bar',
'barh',
'broken_barh',
'boxplot',
'cohere',
'clabel',
'contour',
'contourf',
'csd',
'errorbar',
'eventplot',
'fill',
'fill_between',
'fill_betweenx',
'hexbin',
'hist',
'hist2d',
'hlines',
'imshow',
'loglog',
'magnitude_spectrum',
'pcolor',
'pcolormesh',
'phase_spectrum',
'pie',
'plot',
'plot_date',
'psd',
'quiver',
'quiverkey',
'scatter',
'semilogx',
'semilogy',
'specgram',
'stackplot',
'stem',
'step',
'streamplot',
'tricontour',
'tricontourf',
'tripcolor',
'triplot',
'vlines',
'xcorr',
'barbs',
))


def gca_wrapper(key):
ax = plt.gca()
f = getattr(ax, key)

@wraps(f)
def inner(*args, **kwargs):
ret = f(*args, **kwargs)
plt.draw_if_interactive()
return ret

return inner


def gca_wrapper_hold(key):
ax = plt.gca()
f = getattr(ax, key)

@wraps(f)
def inner(*args, **kwargs):
hold = kwargs.pop('hold', None)
washold = ax.ishold()
if hold is not None:
ax.hold(hold)
try:
ret = f(*args, **kwargs)
plt.draw_if_interactive()
finally:
ax.hold(washold)

return ret

return inner


def gcf_wrapper(key):
fig = plt.gcf()
f = getattr(fig, key)

@wraps(f)
def inner(*args, **kwargs):
ret = f(*args, **kwargs)
plt.draw_if_interactive()
return ret

return inner


class pyplotNG(object):

def __getattr__(self, key):
if hasattr(Axes, key):
if key in WRAP_WITH_HOLD:
return gca_wrapper_hold(key)
return gca_wrapper(key)
elif hasattr(Figure, key):
return gcf_wrapper(key)
else:
return getattr(plt, key)


def set_defaults(cls, key, new_defaults):
if hasattr(cls, '_orig_' + key):
orig_fun = getattr(Axes, '_orig_' + key)
else:
orig_fun = getattr(cls, key)
setattr(cls, '_orig_' + key, orig_fun)

@wraps(orig_fun)
def wrapper(*args, **kwargs):
for k, v in new_defaults.iteritems():
if k not in kwargs:
kwargs[k] = v
return orig_fun(*args, **kwargs)

setattr(cls, key, wrapper)


def reset_defaults(cls, key):
if hasattr(cls, '_orig_' + key):
setattr(cls, key, getattr(Axes, '_orig_' + key))