##// END OF EJS Templates
restart channels on kernel restart...
restart channels on kernel restart generally not necessary, but sometimes the kernel connection can be dirty. We have only seen this by starting a qtconsole via %qtconsole, then killing the kernel, at which point the original notebook's connection (at the zmq level) is never restored to the new kernel at the same endpoint. It's weird, and probably a zmq bug, but a simple reconnect seems to solve it.

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ipy_exportdb.py
77 lines | 2.0 KiB | text/x-python | PythonLexer
from IPython.core import ipapi
from IPython.core import macro
ip = ipapi.get()
import os,pprint
def export(filename = None):
lines = ['import IPython.core.ipapi', 'ip = IPython.core.ipapi.get()','']
vars = ip.db.keys('autorestore/*')
vars.sort()
varstomove = []
get = ip.db.get
macros = []
variables = []
for var in vars:
k = os.path.basename(var)
v = get(var)
if k.startswith('_'):
continue
if isinstance(v, macro.Macro):
macros.append((k,v))
if type(v) in [int, str, float]:
variables.append((k,v))
if macros:
lines.extend(['# === Macros ===' ,''])
for k,v in macros:
lines.append("ip.defmacro('%s'," % k)
for line in v.value.splitlines():
lines.append(' ' + repr(line+'\n'))
lines.extend([')', ''])
if variables:
lines.extend(['','# === Variables ===',''])
for k,v in variables:
varstomove.append(k)
lines.append('%s = %s' % (k,repr(v)))
lines.append('ip.push("%s")' % (' '.join(varstomove)))
bkms = ip.db.get('bookmarks',{})
if bkms:
lines.extend(['','# === Bookmarks ===',''])
lines.append("ip.db['bookmarks'] = %s " % pprint.pformat(bkms, indent = 2) )
aliases = ip.db.get('stored_aliases', {} )
if aliases:
lines.extend(['','# === Alias definitions ===',''])
for k,v in aliases.items():
try:
lines.append("ip.define_alias('%s', %s)" % (k, repr(v[1])))
except (AttributeError, TypeError):
pass
env = ip.db.get('stored_env')
if env:
lines.extend(['','# === Stored env vars ===',''])
lines.append("ip.db['stored_env'] = %s " % pprint.pformat(env, indent = 2) )
out = '\n'.join(lines)
if filename:
open(filename,'w').write(out)
else:
print out