def init_gui_pylab(self):
"""Enable GUI event loop integration, taking pylab into account."""
if self.gui or self.pylab:
shell = self.shell
try:
if self.pylab:
gui, backend = pylabtools.find_gui_and_backend(self.pylab)
self.log.info("Enabling GUI event loop integration, " "toolkit=%s, pylab=%s" % (gui, self.pylab))
shell.enable_pylab(gui, import_all=self.pylab_import_all)
else:
self.log.info("Enabling GUI event loop integration, " "toolkit=%s" % self.gui)
shell.enable_gui(self.gui)
except Exception:
self.log.warn("GUI event loop or pylab initialization failed")
self.shell.showtraceback()
def init_gui_pylab(self):
"""Enable GUI event loop integration, taking pylab into account."""
if self.gui or self.pylab:
shell = self.shell
try:
if self.pylab:
gui, backend = pylabtools.find_gui_and_backend(self.pylab)
self.log.info("Enabling GUI event loop integration, "
"toolkit=%s, pylab=%s" % (gui, self.pylab))
shell.enable_pylab(gui, import_all=self.pylab_import_all)
else:
self.log.info("Enabling GUI event loop integration, "
"toolkit=%s" % self.gui)
shell.enable_gui(self.gui)
except Exception:
self.log.warn("GUI event loop or pylab initialization failed")
self.shell.showtraceback()
def init_kernel(self):
kernel = Kernel(
config=self.config,
session=self.session,
shell_socket=self.shell_socket,
iopub_socket=self.iopub_socket,
stdin_socket=self.stdin_socket,
log=self.log,
profile_dir=self.profile_dir,
)
self.kernel = kernel
kernel.record_ports(self.ports)
shell = kernel.shell
if self.pylab:
try:
gui, backend = pylabtools.find_gui_and_backend(self.pylab)
shell.enable_pylab(gui, import_all=self.pylab_import_all)
except Exception:
self.log.error("Pylab initialization failed", exc_info=True)
# print exception straight to stdout, because normally
# _showtraceback associates the reply with an execution,
# which means frontends will never draw it, as this exception
# is not associated with any execute request.
# replace pyerr-sending traceback with stdout
_showtraceback = shell._showtraceback
def print_tb(etype, evalue, stb):
print(
"Error initializing pylab, pylab mode will not "
"be active",
file=io.stderr)
print(shell.InteractiveTB.stb2text(stb), file=io.stdout)
shell._showtraceback = print_tb
# send the traceback over stdout
shell.showtraceback(tb_offset=0)
# restore proper _showtraceback method
shell._showtraceback = _showtraceback
def init_kernel(self):
shell_stream = ZMQStream(self.shell_socket)
kernel = Kernel(
config=self.config,
session=self.session,
shell_streams=[shell_stream],
iopub_socket=self.iopub_socket,
stdin_socket=self.stdin_socket,
log=self.log,
profile_dir=self.profile_dir,
)
self.kernel = kernel
kernel.record_ports(self.ports)
shell = kernel.shell
if self.pylab:
try:
gui, backend = pylabtools.find_gui_and_backend(self.pylab)
shell.enable_pylab(gui, import_all=self.pylab_import_all)
except Exception:
self.log.error("Pylab initialization failed", exc_info=True)
# print exception straight to stdout, because normally
# _showtraceback associates the reply with an execution,
# which means frontends will never draw it, as this exception
# is not associated with any execute request.
# replace pyerr-sending traceback with stdout
_showtraceback = shell._showtraceback
def print_tb(etype, evalue, stb):
print("Error initializing pylab, pylab mode will not " "be active", file=io.stderr)
print(shell.InteractiveTB.stb2text(stb), file=io.stdout)
shell._showtraceback = print_tb
# send the traceback over stdout
shell.showtraceback(tb_offset=0)
# restore proper _showtraceback method
shell._showtraceback = _showtraceback
def init_gui_pylab(self):
"""Enable GUI event loop integration, taking pylab into account."""
if self.gui or self.pylab:
shell = self.shell
try:
if self.pylab:
gui, backend = pylabtools.find_gui_and_backend(self.pylab)
self.log.info("Enabling GUI event loop integration, "
"toolkit=%s, pylab=%s" % (gui, self.pylab))
shell.enable_pylab(gui, import_all=self.pylab_import_all, welcome_message=True)
else:
self.log.info("Enabling GUI event loop integration, "
"toolkit=%s" % self.gui)
shell.enable_gui(self.gui)
except ImportError:
self.log.warn("pylab mode doesn't work as matplotlib could not be found." + \
"\nIs it installed on the system?")
self.shell.showtraceback()
except Exception:
self.log.warn("GUI event loop or pylab initialization failed")
self.shell.showtraceback()
def init_gui_pylab(self):
"""Enable GUI event loop integration, taking pylab into account."""
if self.gui or self.pylab:
shell = self.shell
try:
if self.pylab:
gui, backend = pylabtools.find_gui_and_backend(self.pylab)
self.log.info("Enabling GUI event loop integration, "
"toolkit=%s, pylab=%s" % (gui, self.pylab))
shell.enable_pylab(gui,
import_all=self.pylab_import_all,
welcome_message=True)
else:
self.log.info("Enabling GUI event loop integration, "
"toolkit=%s" % self.gui)
shell.enable_gui(self.gui)
except ImportError:
self.log.warn("pylab mode doesn't work as matplotlib could not be found." + \
"\nIs it installed on the system?")
self.shell.showtraceback()
except Exception:
self.log.warn("GUI event loop or pylab initialization failed")
self.shell.showtraceback()
return hasattr(o, k)
def get_convis_attribute(o, k, default=None):
return getattr(o, k, default)
plotting_possible = False
plotting_exceptions = []
do_3d_plot = True
try:
import matplotlib
from matplotlib import cm
import matplotlib.pylab as plt
from IPython.core import pylabtools as pt
gui, backend = pt.find_gui_and_backend('inline', 'inline')
from IPython.core.pylabtools import activate_matplotlib
activate_matplotlib(backend)
plotting_possible = True
except Exception as e:
plotting_exceptions.append(e)
pass
doc_urls = [
('convis.filters.retina',
'https://jahuth.github.io/convis/docs_retina.html#'),
('convis.filters.spiking',
'https://jahuth.github.io/convis/filters.html#'),
('convis.filters', 'https://jahuth.github.io/convis/docs_filters.html#'),
('convis.models', 'https://jahuth.github.io/convis/docs_models.html#'),
('convis.retina', 'https://jahuth.github.io/convis/docs_retina.html#'),
186 def magic_deco(arg):
--> 187 call = lambda f, *a, **k: f(*a, **k)
188
189 if callable(arg):
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/IPython/core/magics/pylab.py in matplotlib(self, line)
97 print("Available matplotlib backends: %s" % backends_list)
98 else:
---> 99 gui, backend = self.shell.enable_matplotlib(args.gui)
100 self._show_matplotlib_backend(args.gui, backend)
101
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/IPython/core/interactiveshell.py in enable_matplotlib(self, gui)
3037
3038 from IPython.core import pylabtools as pt
-> 3039 gui, backend = pt.find_gui_and_backend(gui, self.pylab_gui_select)
3040
3041 if gui != 'inline':
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/IPython/core/pylabtools.py in find_gui_and_backend(gui, gui_select)
275 if gui and gui != 'auto':
276 # select backend based on requested gui
--> 277 backend = backends[gui]
278 if gui == 'agg':
279 gui = None
KeyError: 'online'
In [16]: import matplotlib.pyplot as plt
In [17]: plt.plot(np.random.randn(50).cumsum())
