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# vim:fileencoding=utf-8:noet
from __future__ import (unicode_literals, division, absolute_import, print_function)
from powerline.theme import requires_segment_info
@requires_segment_info
def frame_lister(pl, segment_info, full_stack=False, maxframes=3):
'''List all frames in segment_info format
:param bool full_stack:
If true, then all frames in the stack are listed. Normally N first
frames are discarded where N is a number of frames present at the first
invocation of the prompt minus one.
:param int maxframes:
Maximum number of frames to display.
'''
if full_stack:
initial_stack_length = 0
frames = segment_info['pdb'].stack
else:
initial_stack_length = segment_info['initial_stack_length']
frames = segment_info['pdb'].stack[initial_stack_length:]
if len(frames) > maxframes:
frames = frames[-maxframes:]
return (
(
{
'curframe': frame[0],
'initial_stack_length': initial_stack_length,
},
{}
)
for frame in frames
)
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