7250412654

Committed 18 Dec 2023 03:44PM UTC coverage: 74.547% (+0.1%) from 74.452%

Build # 7250412654

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github

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web-flow

Commit Message

Merge branch 'dev' into retguard

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4565 of 7244 branches covered (0.0%)

350 of 507 new or added lines in 17 files covered. (69.03%)

13 existing lines in 5 files now uncovered.

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94.44

/pwnlib/py2compat.py

"""
Compatibility layer with python 2, allowing us to write normal code.
Beware, some monkey-patching is done.
"""

import os
import shutil
import sys
try:
    import fcntl
    import termios
except ImportError:
    pass

from collections import namedtuple
from struct import Struct

def py2_monkey_patch(module):
    def decorator(f):
        if sys.version_info < (3,):
            f.__module__ = module.__name__
            setattr(module, f.__name__, f)
    return decorator

# python3 -c 'import shutil,inspect; print(inspect.getsource(shutil.get_terminal_size))'
@py2_monkey_patch(shutil)
def get_terminal_size(fallback=(80, 24)):
    """Get the size of the terminal window.

    For each of the two dimensions, the environment variable, COLUMNS
    and LINES respectively, is checked. If the variable is defined and
    the value is a positive integer, it is used.

    When COLUMNS or LINES is not defined, which is the common case,
    the terminal connected to sys.__stdout__ is queried
    by invoking os.get_terminal_size.

    If the terminal size cannot be successfully queried, either because
    the system doesn't support querying, or because we are not
    connected to a terminal, the value given in fallback parameter
    is used. Fallback defaults to (80, 24) which is the default
    size used by many terminal emulators.

    The value returned is a named tuple of type os.terminal_size.
    """
    # columns, lines are the working values
    try:
        columns = int(os.environ['COLUMNS'])
    except (KeyError, ValueError):
        columns = 0

    try:
        lines = int(os.environ['LINES'])
    except (KeyError, ValueError):
        lines = 0

    # only query if necessary
    if columns <= 0 or lines <= 0:
        try:
            size = os.get_terminal_size(sys.__stdout__.fileno())
        except (AttributeError, ValueError, IOError):
            # stdout is None, closed, detached, or not a terminal, or
            # os.get_terminal_size() is unsupported
            size = os.terminal_size(fallback)
        if columns <= 0:
            columns = size.columns
        if lines <= 0:
            lines = size.lines

    return os.terminal_size((columns, lines))

@py2_monkey_patch(os)
class terminal_size(tuple):
    @property
    def columns(self):
        return self[0]

    @property
    def lines(self):
        return self[1]

    def __repr__(self):
        return 'os.terminal_size(columns=%r, lines=%r)' % self

terminal_size = namedtuple('terminal_size', 'columns lines')

termsize = Struct('HHHH')

@py2_monkey_patch(os)
def get_terminal_size(fd):  # pylint: disable=function-redefined
    arr = b'\0' * termsize.size
    arr = fcntl.ioctl(fd, termios.TIOCGWINSZ, arr)
    lines, columns, xpixel, ypixel = termsize.unpack(arr)
    return os.terminal_size((columns, lines))

1	"""
2	Compatibility layer with python 2, allowing us to write normal code.
3	Beware, some monkey-patching is done.
4	"""
5
6	import os	1✔
7	import shutil	1✔
8	import sys	1✔
9	try:	1✔
10	import fcntl	1✔
11	import termios	1✔
NEW 12	except ImportError:	×
NEW 13	pass	×
14
15	from collections import namedtuple	1✔
16	from struct import Struct	1✔
17
18	def py2_monkey_patch(module):	1✔
19	def decorator(f):	1✔
20	if sys.version_info < (3,):	1✔
21	f.__module__ = module.__name__	1✔
22	setattr(module, f.__name__, f)	1✔
23	return decorator	1✔
24
25	# python3 -c 'import shutil,inspect; print(inspect.getsource(shutil.get_terminal_size))'
26	@py2_monkey_patch(shutil)	1✔
27	def get_terminal_size(fallback=(80, 24)):	1✔
28	"""Get the size of the terminal window.
29
30	For each of the two dimensions, the environment variable, COLUMNS
31	and LINES respectively, is checked. If the variable is defined and
32	the value is a positive integer, it is used.
33
34	When COLUMNS or LINES is not defined, which is the common case,
35	the terminal connected to sys.__stdout__ is queried
36	by invoking os.get_terminal_size.
37
38	If the terminal size cannot be successfully queried, either because
39	the system doesn't support querying, or because we are not
40	connected to a terminal, the value given in fallback parameter
41	is used. Fallback defaults to (80, 24) which is the default
42	size used by many terminal emulators.
43
44	The value returned is a named tuple of type os.terminal_size.
45	"""
46	# columns, lines are the working values
47	try:	1✔
48	columns = int(os.environ['COLUMNS'])	1✔
49	except (KeyError, ValueError):	1✔
50	columns = 0	1✔
51
52	try:	1✔
53	lines = int(os.environ['LINES'])	1✔
54	except (KeyError, ValueError):	1✔
55	lines = 0	1✔
56
57	# only query if necessary
58	if columns <= 0 or lines <= 0:	1!
59	try:	1✔
60	size = os.get_terminal_size(sys.__stdout__.fileno())	1✔
61	except (AttributeError, ValueError, IOError):	1✔
62	# stdout is None, closed, detached, or not a terminal, or
63	# os.get_terminal_size() is unsupported
64	size = os.terminal_size(fallback)	1✔
65	if columns <= 0:	1✔
66	columns = size.columns	1✔
67	if lines <= 0:	1!
68	lines = size.lines	1✔
69
70	return os.terminal_size((columns, lines))	1✔
71
72	@py2_monkey_patch(os)	1✔
73	class terminal_size(tuple):	1✔
74	@property	1✔
75	def columns(self):	1✔
76	return self[0]	1✔
77
78	@property	1✔
79	def lines(self):	1✔
80	return self[1]	1✔
81
82	def __repr__(self):	1✔
NEW 83	return 'os.terminal_size(columns=%r, lines=%r)' % self	×
84
85	terminal_size = namedtuple('terminal_size', 'columns lines')	1✔
86
87	termsize = Struct('HHHH')	1✔
88
89	@py2_monkey_patch(os)	1✔
90	def get_terminal_size(fd): # pylint: disable=function-redefined	1✔
91	arr = b'\0' * termsize.size	1✔
92	arr = fcntl.ioctl(fd, termios.TIOCGWINSZ, arr)	1✔
93	lines, columns, xpixel, ypixel = termsize.unpack(arr)	1✔
94	return os.terminal_size((columns, lines))	1✔

Gallopsled / pwntools / 7250412654

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