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def start_python_console(namespace=None, noipython=False, banner=''):
"""Start Python console binded to the given namespace. If IPython is
available, an IPython console will be started instead, unless `noipython`
is True. Also, tab completion will be used on Unix systems.
"""
if namespace is None:
namespace = {}
try:
try: # use IPython if available
if noipython:
raise ImportError()
try:
try:
from IPython.terminal import embed
except ImportError:
from IPython.frontend.terminal import embed
sh = embed.InteractiveShellEmbed(banner1=banner)
except ImportError:
from IPython.Shell import IPShellEmbed
sh = IPShellEmbed(banner=banner)
sh(global_ns={}, local_ns=namespace)
except ImportError:
import code
try: # readline module is only available on unix systems
import readline
except ImportError:
pass
else:
import rlcompleter
readline.parse_and_bind("tab:complete")
code.interact(banner=banner, local=namespace)
except SystemExit: # raised when using exit() in python code.interact
pass
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