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# vim:fileencoding=utf-8:noet
from __future__ import (unicode_literals, division, absolute_import, print_function)
import sys
import platform
from powerline.renderers.shell.readline import ReadlineRenderer
from powerline.renderer import Renderer
class PDBRenderer(ReadlineRenderer):
'''PDB-specific powerline renderer
'''
pdb = None
initial_stack_length = None
def get_segment_info(self, segment_info, mode):
r = self.segment_info.copy()
r['pdb'] = self.pdb
r['initial_stack_length'] = self.initial_stack_length
r['curframe'] = self.pdb.curframe
return r
def set_pdb(self, pdb):
'''Record currently used :py:class:`pdb.Pdb` instance
Must be called before first calling :py:meth:`render` method.
:param pdb.Pdb pdb:
Used :py:class:`pdb.Pdb` instance. This instance will later be used
by :py:meth:`get_segment_info` for patching :ref:`segment_info
<dev-segments-info>` dictionary.
'''
self.pdb = pdb
def render(self, **kwargs):
if self.initial_stack_length is None:
self.initial_stack_length = len(self.pdb.stack) - 1
return Renderer.render(self, **kwargs)
if sys.version_info < (3,) and platform.python_implementation() == 'PyPy':
def do_render(self, **kwargs):
# Make sure that only ASCII characters survive
ret = super(PDBRenderer, self).do_render(**kwargs)
ret = ret.encode('ascii', 'replace')
ret = ret.decode('ascii')
return ret
renderer = PDBRenderer
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