mirror of
https://github.com/Grasscutters/mitmproxy.git
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74 lines
1.6 KiB
Python
74 lines
1.6 KiB
Python
import os
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import sys
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import netlib.utils
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from netlib import strutils
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class MemBool(object):
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"""
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Truth-checking with a memory, for use in chained if statements.
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"""
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def __init__(self):
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self.v = None
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def __call__(self, v):
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self.v = v
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return bool(v)
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def parse_anchor_spec(s):
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"""
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Return a tuple, or None on error.
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"""
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if "=" not in s:
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return None
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return tuple(s.split("=", 1))
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def xrepr(s):
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return repr(s)[1:-1]
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def escape_unprintables(s):
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"""
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Like inner_repr, but preserves line breaks.
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"""
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s = s.replace(b"\r\n", b"PATHOD_MARKER_RN")
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s = s.replace(b"\n", b"PATHOD_MARKER_N")
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s = strutils.bytes_to_escaped_str(s)
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s = s.replace("PATHOD_MARKER_RN", "\n")
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s = s.replace("PATHOD_MARKER_N", "\n")
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return s
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data = netlib.utils.Data(__name__)
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def daemonize(stdin='/dev/null', stdout='/dev/null', stderr='/dev/null'): # pragma: no cover
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try:
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pid = os.fork()
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if pid > 0:
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sys.exit(0)
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except OSError as e:
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sys.stderr.write("fork #1 failed: (%d) %s\n" % (e.errno, e.strerror))
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sys.exit(1)
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os.chdir("/")
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os.umask(0)
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os.setsid()
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try:
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pid = os.fork()
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if pid > 0:
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sys.exit(0)
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except OSError as e:
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sys.stderr.write("fork #2 failed: (%d) %s\n" % (e.errno, e.strerror))
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sys.exit(1)
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si = open(stdin, 'rb')
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so = open(stdout, 'a+b')
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se = open(stderr, 'a+b', 0)
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os.dup2(si.fileno(), sys.stdin.fileno())
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os.dup2(so.fileno(), sys.stdout.fileno())
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os.dup2(se.fileno(), sys.stderr.fileno())
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