本文整理汇总了Python中matplotlib.cbook.restrict_dict方法的典型用法代码示例。如果您正苦于以下问题：Python cbook.restrict_dict方法的具体用法？Python cbook.restrict_dict怎么用？Python cbook.restrict_dict使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类matplotlib.cbook的用法示例。
在下文中一共展示了cbook.restrict_dict方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_restrict_dict
# 需要导入模块: from matplotlib import cbook [as 别名]
# 或者: from matplotlib.cbook import restrict_dict [as 别名]
def test_restrict_dict():
d = {'foo': 'bar', 1: 2}
with pytest.warns(cbook.deprecation.MatplotlibDeprecationWarning) as rec:
d1 = cbook.restrict_dict(d, ['foo', 1])
assert d1 == d
d2 = cbook.restrict_dict(d, ['bar', 2])
assert d2 == {}
d3 = cbook.restrict_dict(d, {'foo': 1})
assert d3 == {'foo': 'bar'}
d4 = cbook.restrict_dict(d, {})
assert d4 == {}
d5 = cbook.restrict_dict(d, {'foo', 2})
assert d5 == {'foo': 'bar'}
assert len(rec) == 5
# check that d was not modified
assert d == {'foo': 'bar', 1: 2} 示例2: print_jpg
# 需要导入模块: from matplotlib import cbook [as 别名]
# 或者: from matplotlib.cbook import restrict_dict [as 别名]
def print_jpg(self, filename_or_obj, *args, **kwargs):
"""
Supported kwargs:
*quality*: The image quality, on a scale from 1 (worst) to
95 (best). The default is 95, if not given in the
matplotlibrc file in the savefig.jpeg_quality parameter.
Values above 95 should be avoided; 100 completely
disables the JPEG quantization stage.
*optimize*: If present, indicates that the encoder should
make an extra pass over the image in order to select
optimal encoder settings.
*progressive*: If present, indicates that this image
should be stored as a progressive JPEG file.
"""
from backends.backend_agg import FigureCanvasAgg # lazy import
agg = self.switch_backends(FigureCanvasAgg)
buf, size = agg.print_to_buffer()
if kwargs.pop("dryrun", False):
return
image = Image.frombuffer('RGBA', size, buf, 'raw', 'RGBA', 0, 1)
options = cbook.restrict_dict(kwargs, ['quality', 'optimize',
'progressive'])
if 'quality' not in options:
options['quality'] = rcParams['savefig.jpeg_quality']
return image.save(filename_or_obj, format='jpeg', **options) 示例3: print_jpg
# 需要导入模块: from matplotlib import cbook [as 别名]
# 或者: from matplotlib.cbook import restrict_dict [as 别名]
def print_jpg(self, filename_or_obj, *args, **kwargs):
"""
Supported kwargs:
*quality*: The image quality, on a scale from 1 (worst) to
95 (best). The default is 95, if not given in the
matplotlibrc file in the savefig.jpeg_quality parameter.
Values above 95 should be avoided; 100 completely
disables the JPEG quantization stage.
*optimize*: If present, indicates that the encoder should
make an extra pass over the image in order to select
optimal encoder settings.
*progressive*: If present, indicates that this image
should be stored as a progressive JPEG file.
"""
buf, size = self.print_to_buffer()
if kwargs.pop("dryrun", False):
return
image = Image.frombuffer('RGBA', size, buf, 'raw', 'RGBA', 0, 1)
options = restrict_dict(kwargs, ['quality', 'optimize',
'progressive'])
if 'quality' not in options:
options['quality'] = rcParams['savefig.jpeg_quality']
return image.save(filename_or_obj, format='jpeg', **options) 示例4: test_restrict_dict
# 需要导入模块: from matplotlib import cbook [as 别名]
# 或者: from matplotlib.cbook import restrict_dict [as 别名]
def test_restrict_dict():
d = {'foo': 'bar', 1: 2}
d1 = cbook.restrict_dict(d, ['foo', 1])
assert_equal(d1, d)
d2 = cbook.restrict_dict(d, ['bar', 2])
assert_equal(d2, {})
d3 = cbook.restrict_dict(d, {'foo': 1})
assert_equal(d3, {'foo': 'bar'})
d4 = cbook.restrict_dict(d, {})
assert_equal(d4, {})
d5 = cbook.restrict_dict(d, set(['foo', 2]))
assert_equal(d5, {'foo': 'bar'})
# check that d was not modified
assert_equal(d, {'foo': 'bar', 1: 2}) 示例5: _print_image
# 需要导入模块: from matplotlib import cbook [as 别名]
# 或者: from matplotlib.cbook import restrict_dict [as 别名]
def _print_image(self, filename, format, *args, **kwargs):
if self.flags() & gtk.REALIZED == 0:
# for self.window(for pixmap) and has a side effect of altering
# figure width,height (via configure-event?)
gtk.DrawingArea.realize(self)
width, height = self.get_width_height()
pixmap = gdk.Pixmap (self.window, width, height)
self._renderer.set_pixmap (pixmap)
self._render_figure(pixmap, width, height)
# jpg colors don't match the display very well, png colors match
# better
pixbuf = gdk.Pixbuf(gdk.COLORSPACE_RGB, 0, 8, width, height)
pixbuf.get_from_drawable(pixmap, pixmap.get_colormap(),
0, 0, 0, 0, width, height)
# set the default quality, if we are writing a JPEG.
# http://www.pygtk.org/docs/pygtk/class-gdkpixbuf.html#method-gdkpixbuf--save
options = cbook.restrict_dict(kwargs, ['quality'])
if format in ['jpg','jpeg']:
if 'quality' not in options:
options['quality'] = rcParams['savefig.jpeg_quality']
options['quality'] = str(options['quality'])
if is_string_like(filename):
try:
pixbuf.save(filename, format, options=options)
except gobject.GError as exc:
error_msg_gtk('Save figure failure:\n%s' % (exc,), parent=self)
elif is_writable_file_like(filename):
if hasattr(pixbuf, 'save_to_callback'):
def save_callback(buf, data=None):
data.write(buf)
try:
pixbuf.save_to_callback(save_callback, format, user_data=filename, options=options)
except gobject.GError as exc:
error_msg_gtk('Save figure failure:\n%s' % (exc,), parent=self)
else:
raise ValueError("Saving to a Python file-like object is only supported by PyGTK >= 2.8")
else:
raise ValueError("filename must be a path or a file-like object")