def set_matplotlib_formats(*formats, **kwargs):
"""Select figure formats for the inline backend. Optionally pass quality for JPEG.
For example, this enables PNG and JPEG output with a JPEG quality of 90%::
In [1]: set_matplotlib_formats('png', 'jpeg', quality=90)
To set this in your config files use the following::
c.InlineBackend.figure_formats = {'png', 'jpeg'}
c.InlineBackend.print_figure_kwargs.update({'quality' : 90})
Parameters
----------
*formats : strs
One or more figure formats to enable: 'png', 'retina', 'jpeg', 'svg', 'pdf'.
**kwargs :
Keyword args will be relayed to ``figure.canvas.print_figure``.
"""
from IPython.core.interactiveshell import InteractiveShell
from IPython.core.pylabtools import select_figure_formats
from IPython.kernel.zmq.pylab.config import InlineBackend
# build kwargs, starting with InlineBackend config
kw = {}
cfg = InlineBackend.instance()
kw.update(cfg.print_figure_kwargs)
kw.update(**kwargs)
shell = InteractiveShell.instance()
select_figure_formats(shell, formats, **kw)
def set_matplotlib_formats(*formats, **kwargs):
"""Select figure formats for the inline backend. Optionally pass quality for JPEG.
For example, this enables PNG and JPEG output with a JPEG quality of 90%::
In [1]: set_matplotlib_formats('png', 'jpeg', quality=90)
To set this in your config files use the following::
c.InlineBackend.figure_formats = {'png', 'jpeg'}
c.InlineBackend.print_figure_kwargs.update({'quality' : 90})
Parameters
----------
*formats : strs
One or more figure formats to enable: 'png', 'retina', 'jpeg', 'svg', 'pdf'.
**kwargs :
Keyword args will be relayed to ``figure.canvas.print_figure``.
"""
from IPython.core.interactiveshell import InteractiveShell
from IPython.core.pylabtools import select_figure_formats
# build kwargs, starting with InlineBackend config
kw = {}
from ipykernel.pylab.config import InlineBackend
cfg = InlineBackend.instance()
kw.update(cfg.print_figure_kwargs)
kw.update(**kwargs)
shell = InteractiveShell.instance()
select_figure_formats(shell, formats, **kw)
def _figure_formats_changed(self, name, old, new):
from IPython.core.pylabtools import select_figure_formats
if 'jpg' in new or 'jpeg' in new:
if not pil_available():
raise TraitError("Requires PIL/Pillow for JPG figures")
if self.shell is None:
return
else:
select_figure_formats(self.shell, new)
def configure_inline_support(shell, backend):
"""Configure an IPython shell object for matplotlib use.
Parameters
----------
shell : InteractiveShell instance
backend : matplotlib backend
"""
# If using our svg payload backend, register the post-execution
# function that will pick up the results for display. This can only be
# done with access to the real shell object.
cfg = InlineBackend.instance(parent=shell)
cfg.shell = shell
if cfg not in shell.configurables:
shell.configurables.append(cfg)
if backend == 'module://matplotlib_inline.backend_inline':
shell.events.register('post_execute', flush_figures)
# Save rcParams that will be overwrittern
shell._saved_rcParams = {}
for k in cfg.rc:
shell._saved_rcParams[k] = matplotlib.rcParams[k]
# load inline_rc
matplotlib.rcParams.update(cfg.rc)
new_backend_name = "inline"
else:
try:
shell.events.unregister('post_execute', flush_figures)
except ValueError:
pass
if hasattr(shell, '_saved_rcParams'):
matplotlib.rcParams.update(shell._saved_rcParams)
del shell._saved_rcParams
new_backend_name = "other"
# only enable the formats once -> don't change the enabled formats (which the user may
# has changed) when getting another "%matplotlib inline" call.
# See https://github.com/ipython/ipykernel/issues/29
cur_backend = getattr(configure_inline_support, "current_backend", "unset")
if new_backend_name != cur_backend:
# Setup the default figure format
select_figure_formats(shell, cfg.figure_formats,
**cfg.print_figure_kwargs)
configure_inline_support.current_backend = new_backend_name
def set_matplotlib_formats(*formats, **kwargs):
"""Select figure formats for the inline backend. Optionally pass quality for JPEG.
For example, this enables PNG and JPEG output with a JPEG quality of 90%::
In [1]: set_matplotlib_formats('png', 'jpeg', quality=90)
To set this in your config files use the following::
c.InlineBackend.figure_formats = {'pdf', 'png', 'svg'}
c.InlineBackend.quality = 90
Parameters
----------
*formats : list, tuple
One or a set of figure formats to enable: 'png', 'retina', 'jpeg', 'svg', 'pdf'.
quality : int
A percentage for the quality of JPEG figures. Defaults to 90.
"""
from IPython.core.interactiveshell import InteractiveShell
from IPython.core.pylabtools import select_figure_formats
shell = InteractiveShell.instance()
select_figure_formats(shell, formats, quality=90)
def set_matplotlib_formats(*formats, **kwargs):
"""Select figure formats for the inline backend. Optionally pass quality for JPEG.
For example, this enables PNG and JPEG output with a JPEG quality of 90%::
In [1]: set_matplotlib_formats('png', 'jpeg', quality=90)
To set this in your config files use the following::
c.InlineBackend.figure_formats = {'pdf', 'png', 'svg'}
c.InlineBackend.quality = 90
Parameters
----------
*formats : list, tuple
One or a set of figure formats to enable: 'png', 'retina', 'jpeg', 'svg', 'pdf'.
quality : int
A percentage for the quality of JPEG figures. Defaults to 90.
"""
from IPython.core.interactiveshell import InteractiveShell
from IPython.core.pylabtools import select_figure_formats
shell = InteractiveShell.instance()
select_figure_formats(shell, formats, quality=90)
def _update_figure_formatters(self):
if self.shell is not None:
from IPython.core.pylabtools import select_figure_formats
select_figure_formats(self.shell, self.figure_formats, **self.print_figure_kwargs)
def _update_figure_formatters(self):
if self.shell is not None:
select_figure_formats(self.shell, self.figure_formats, **self.print_figure_kwargs)
import IPython.core.display
df = DisplayFormatter()
# fake thing which select_figure_formats will work on
class qshell():
def __init__(self, df=None):
self.display_formatter = df
qpubcallback = None
qclearcallback = None
qipythoncallback = None
shell = qshell(df)
select_figure_formats(shell, {
'png'
}) #,'svg','jpeg','pdf','retina'}) /more means multiple output mime types?
def initialise(qpubfunc, qcommfunc, qclearfunc, qipythonfunc):
"""Initialise the backend, the function given will be
called with (imagedata;metadata) on show"""
import traceback
global qpubcallback
global qclearcallback
global qipythoncallback
qpubcallback = qpubfunc
qclearcallback = qclearfunc
qipythoncallback = qipythonfunc
try:
import matplotlib.pyplot as plt
def _update_figure_formatters(self):
if self.shell is not None:
from IPython.core.pylabtools import select_figure_formats
select_figure_formats(self.shell, self.figure_formats,
**self.print_figure_kwargs)
