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WIP: Colorize TerminalCommandManager. #33

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WIP: Colorize TerminalCommandManager. #33

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46 changes: 31 additions & 15 deletions qdb/comm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,9 @@
from textwrap import dedent

from logbook import Logger
from pygments import highlight
from pygments.lexers import PythonLexer
from pygments.formatters import TerminalFormatter

from qdb.compat import range, PY3, items, Connection, gevent, input, print_
from qdb.errors import (
Expand Down Expand Up @@ -778,6 +781,8 @@ def __init__(self):
import readline
self.readline = readline
readline.parse_and_bind("tab: complete")
import sys
sys.stderr.write("\x1b[2J\x1b[H")

def pprint(self, msg):
pprint(msg)
Expand Down Expand Up @@ -882,13 +887,17 @@ def user_next_command(self, tracer):

command = getattr(self, 'do_' + cmd, None)
if command is None:
import sys
sys.stderr.write("\x1b[2J\x1b[H")
return self.do_print(' '.join(inp), tracer)
else:
try:
arg = inp[1]
except IndexError:
arg = None

import sys
sys.stderr.write("\x1b[2J\x1b[H")
return command(arg, tracer)

def do_print(self, arg, tracer):
Expand Down Expand Up @@ -1022,29 +1031,36 @@ def do_list(self, arg, tracer, recurse=True):

curline = tracer.curframe.f_lineno
if start is None and end is None and arg != ':':
start = curline - 5
start = curline - 10
if start < 0:
start = 0
end = curline + 5
end = curline + 10

def prepend(ix_l):
return (
'%s ' % ('-->' if ix_l[0] == curline else ' ')
) + ix_l[1]

self.writeln(
'\n'.join(
map(
prepend,
enumerate(
length = len(str(end))
if ix_l[0] == curline:
prefix = '-' * (length + 1) + '>'
else:
prefix = str(ix_l[0]).rjust(length) + ' '
return ' '.join([prefix, ix_l[1]])

lines = map(
prepend,
enumerate(
highlight(
'\n'.join(
tracer.get_file_lines(
tracer.curframe.f_code.co_filename,
)[start:end],
1 if start is None else start + 1,
)
)
)
),
PythonLexer(),
TerminalFormatter(),
).split('\n')[start:end],
1 if start is None else start + 1,
),
)
self.writeln('\n'.join(lines))

if recurse:
return self.next_command.tailcall(tracer)
do_l = do_list
Expand Down