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import linecache
from idlelib import rpc
from friendly_traceback import source_cache
def _get_lines(filename, linenumber=None):
rpchandler = rpc.objecttable["exec"].rpchandler
lines = rpchandler.remotecall("linecache", "getlines", (filename, None), {})
new_lines = []
for line in lines:
if not line.endswith("\n"):
line += "\n"
if filename.startswith("<pyshell#") and line.startswith("\t"):
# Remove extra indentation added in the shell (\t == 8 spaces)
line = " " + line[1:]
new_lines.append(line)
if linenumber is None:
return new_lines
return new_lines[linenumber - 1 : linenumber]
old_get_lines = source_cache.cache.get_source_lines
def new_get_lines(filename, module_globals=None):
"""Intended to replace the undocumented linecache.getlines, with the
same signature.
"""
lines = _get_lines(filename)
if not lines:
lines = old_get_lines(filename=filename, module_globals=module_globals)
return lines
source_cache.cache.get_source_lines = new_get_lines
linecache.getlines = new_get_lines
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