| 1 | import __main__
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| 2 | import argparse
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| 3 | import contextlib
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| 4 | import datetime
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| 5 | import fileinput
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| 6 | import multiprocessing
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| 7 | import os
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| 8 | import re
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| 9 | import resource
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| 10 | import signal
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| 11 | import stat
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| 12 | import subprocess
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| 13 | import sys
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| 14 | import tempfile
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| 15 | import time
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| 16 | import types
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| 17 |
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| 18 | from pybin import settings
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| 19 |
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| 20 | ################################################################################
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| 21 | # shell helpers
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| 22 | ################################################################################
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| 23 |
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| 24 | # helper functions to run terminal commands
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| 25 | def sh(*cmd, timeout = False, output_file = None, input_file = None, input_text = None, error = subprocess.STDOUT, ignore_dry_run = False):
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| 26 | try:
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| 27 | cmd = list(cmd)
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| 28 |
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| 29 | if input_file and input_text:
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| 30 | return 401, "Cannot use both text and file inputs"
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| 31 |
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| 32 | # if this is a dry_run, only print the commands that would be ran
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| 33 | if settings.dry_run and not ignore_dry_run:
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| 34 | cmd = "{} cmd: {}".format(os.getcwd(), ' '.join(cmd))
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| 35 | if output_file and not isinstance(output_file, int):
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| 36 | cmd += " > "
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| 37 | cmd += output_file
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| 38 |
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| 39 | if error and not isinstance(error, int):
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| 40 | cmd += " 2> "
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| 41 | cmd += error
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| 42 |
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| 43 | if input_file and not isinstance(input_file, int) and os.path.isfile(input_file):
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| 44 | cmd += " < "
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| 45 | cmd += input_file
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| 46 |
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| 47 | print(cmd)
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| 48 | return 0, None
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| 49 |
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| 50 | with contextlib.ExitStack() as onexit:
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| 51 | # add input redirection if needed
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| 52 | input_file = openfd(input_file, 'r', onexit, True)
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| 53 |
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| 54 | # add output redirection if needed
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| 55 | output_file = openfd(output_file, 'w', onexit, False)
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| 56 |
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| 57 | # add error redirection if needed
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| 58 | error = openfd(error, 'w', onexit, False)
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| 59 |
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| 60 | # run the desired command
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| 61 | # use with statement to make sure proc is cleaned
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| 62 | # don't use subprocess.run because we want to send SIGABRT on exit
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| 63 | with subprocess.Popen(
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| 64 | cmd,
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| 65 | **({'input' : bytes(input_text, encoding='utf-8')} if input_text else {'stdin' : input_file}),
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| 66 | stdout = output_file,
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| 67 | stderr = error
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| 68 | ) as proc:
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| 69 |
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| 70 | try:
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| 71 | out, _ = proc.communicate(
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| 72 | timeout = settings.timeout.single if timeout else None
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| 73 | )
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| 74 |
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| 75 | return proc.returncode, out.decode("utf-8") if out else None
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| 76 | except subprocess.TimeoutExpired:
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| 77 | if settings.timeout2gdb:
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| 78 | print("Process {} timeout".format(proc.pid))
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| 79 | proc.communicate()
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| 80 | return 124, str(None)
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| 81 | else:
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| 82 | proc.send_signal(signal.SIGABRT)
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| 83 | proc.communicate()
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| 84 | return 124, str(None)
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| 85 |
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| 86 | except Exception as ex:
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| 87 | print ("Unexpected error: %s" % ex)
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| 88 | raise
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| 89 |
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| 90 | def is_ascii(fname):
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| 91 | if settings.dry_run:
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| 92 | print("is_ascii: %s" % fname)
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| 93 | return True
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| 94 |
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| 95 | if not os.path.isfile(fname):
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| 96 | return False
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| 97 |
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| 98 | code, out = sh("file %s" % fname, output_file=subprocess.PIPE)
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| 99 | if code != 0:
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| 100 | return False
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| 101 |
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| 102 | match = re.search(".*: (.*)", out)
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| 103 |
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| 104 | if not match:
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| 105 | return False
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| 106 |
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| 107 | return match.group(1).startswith("ASCII text")
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| 108 |
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| 109 | def is_exe(fname):
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| 110 | return os.path.isfile(fname) and os.access(fname, os.X_OK)
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| 111 |
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| 112 | def openfd(file, mode, exitstack, checkfile):
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| 113 | if not file:
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| 114 | return file
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| 115 |
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| 116 | if isinstance(file, int):
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| 117 | return file
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| 118 |
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| 119 | if checkfile and not os.path.isfile(file):
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| 120 | return None
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| 121 |
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| 122 | file = open(file, mode)
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| 123 | exitstack.push(file)
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| 124 | return file
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| 125 |
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| 126 | # Remove 1 or more files silently
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| 127 | def rm( files ):
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| 128 | if isinstance(files, str ): files = [ files ]
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| 129 | for file in files:
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| 130 | sh( 'rm', '-f', file, output_file=subprocess.DEVNULL, error=subprocess.DEVNULL )
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| 131 |
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| 132 | # Create 1 or more directory
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| 133 | def mkdir( files ):
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| 134 | if isinstance(files, str ): files = [ files ]
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| 135 | for file in files:
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| 136 | p = os.path.normpath( file )
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| 137 | d = os.path.dirname ( p )
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| 138 | sh( 'mkdir', '-p', d, output_file=subprocess.DEVNULL, error=subprocess.DEVNULL )
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| 139 |
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| 140 |
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| 141 | def chdir( dest = __main__.__file__ ):
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| 142 | abspath = os.path.abspath(dest)
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| 143 | dname = os.path.dirname(abspath)
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| 144 | os.chdir(dname)
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| 145 |
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| 146 | # diff two files
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| 147 | def diff( lhs, rhs ):
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| 148 | # fetch return code and error from the diff command
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| 149 | return sh(
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| 150 | '''diff''',
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| 151 | '''--text''',
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| 152 | '''--old-group-format=\t\tmissing lines :\n%<''',
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| 153 | '''--new-line-format=\t\t%dn\t%L''',
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| 154 | '''--new-group-format=\t\tnew lines : \n%>''',
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| 155 | '''--old-line-format=\t\t%dn\t%L''',
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| 156 | '''--unchanged-group-format=%=''',
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| 157 | '''--changed-group-format=\t\texpected :\n%<\t\tgot :\n%>''',
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| 158 | '''--unchanged-line-format=''',
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| 159 | lhs,
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| 160 | rhs,
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| 161 | output_file=subprocess.PIPE
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| 162 | )
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| 163 |
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| 164 | # call make
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| 165 | def make(target, *, flags = '', output_file = None, error = None, error_file = None, silent = False):
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| 166 | test_param = """test="%s" """ % (error_file) if error_file else None
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| 167 | cmd = [
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| 168 | *settings.make,
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| 169 | '-s' if silent else None,
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| 170 | test_param,
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| 171 | settings.arch.flags,
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| 172 | settings.debug.flags,
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| 173 | settings.install.flags,
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| 174 | settings.distcc if settings.distribute else None,
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| 175 | flags,
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| 176 | target
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| 177 | ]
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| 178 | cmd = [s for s in cmd if s]
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| 179 | return sh(*cmd, output_file=output_file, error=error)
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| 180 |
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| 181 | def which(program):
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| 182 | fpath, fname = os.path.split(program)
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| 183 | if fpath:
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| 184 | if is_exe(program):
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| 185 | return program
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| 186 | else:
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| 187 | for path in os.environ["PATH"].split(os.pathsep):
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| 188 | exe_file = os.path.join(path, program)
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| 189 | if is_exe(exe_file):
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| 190 | return exe_file
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| 191 | return None
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| 192 |
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| 193 | @contextlib.contextmanager
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| 194 | def tempdir():
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| 195 | cwd = os.getcwd()
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| 196 | with tempfile.TemporaryDirectory() as temp:
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| 197 | os.chdir(temp)
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| 198 | try:
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| 199 | yield temp
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| 200 | finally:
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| 201 | os.chdir(cwd)
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| 202 |
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| 203 | def killgroup():
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| 204 | try:
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| 205 | os.killpg(os.getpgrp(), signal.SIGINT)
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| 206 | except KeyboardInterrupt:
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| 207 | pass # expected
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| 208 | except Exception as exc:
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| 209 | print("Unexpected exception", file=sys.stderr)
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| 210 | print(exc, file=sys.stderr)
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| 211 | sys.stderr.flush()
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| 212 | sys.exit(2)
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| 213 |
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| 214 | ################################################################################
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| 215 | # file handling
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| 216 | ################################################################################
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| 217 | # move a file
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| 218 | def mv(source, dest):
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| 219 | ret, _ = sh("mv", source, dest)
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| 220 | return ret
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| 221 |
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| 222 | # cat one file into the other
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| 223 | def cat(source, dest):
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| 224 | ret, _ = sh("cat", source, output_file=dest)
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| 225 | return ret
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| 226 |
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| 227 | # helper function to replace patterns in a file
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| 228 | def file_replace(fname, pat, s_after):
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| 229 | if settings.dry_run:
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| 230 | print("replacing '%s' with '%s' in %s" % (pat, s_after, fname))
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| 231 | return
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| 232 |
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| 233 | file = fileinput.FileInput(fname, inplace=True, backup='.bak')
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| 234 | for line in file:
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| 235 | print(line.replace(pat, s_after), end='')
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| 236 | file.close()
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| 237 |
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| 238 | # helper function to check if a files contains only a specific string
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| 239 | def file_contains_only(file, text) :
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| 240 | with open(file) as f:
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| 241 | ff = f.read().strip()
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| 242 | result = ff == text.strip()
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| 243 |
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| 244 | return result
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| 245 |
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| 246 | # transform path to canonical form
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| 247 | def canonical_path(path):
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| 248 | abspath = os.path.abspath(__main__.__file__)
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| 249 | dname = os.path.dirname(abspath)
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| 250 | return os.path.join(dname, os.path.normpath(path) )
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| 251 |
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| 252 | # compare path even if form is different
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| 253 | def path_cmp(lhs, rhs):
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| 254 | return canonical_path( lhs ) == canonical_path( rhs )
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| 255 |
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| 256 | # walk all files in a path
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| 257 | def path_walk( op ):
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| 258 | dname = settings.SRCDIR
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| 259 | for dirname, _, names in os.walk(dname):
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| 260 | for name in names:
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| 261 | path = os.path.join(dirname, name)
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| 262 | op( path )
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| 263 |
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| 264 | ################################################################################
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| 265 | # system
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| 266 | ################################################################################
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| 267 | # count number of jobs to create
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| 268 | def job_count( options, tests ):
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| 269 | # check if the user already passed in a number of jobs for multi-threading
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| 270 | if not options.jobs:
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| 271 | make_flags = os.environ.get('MAKEFLAGS')
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| 272 | force = bool(make_flags)
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| 273 | make_jobs_fds = re.search("--jobserver-(auth|fds)=\s*([0-9]+),([0-9]+)", make_flags) if make_flags else None
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| 274 | if make_jobs_fds :
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| 275 | tokens = os.read(int(make_jobs_fds.group(2)), 1024)
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| 276 | options.jobs = len(tokens)
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| 277 | os.write(int(make_jobs_fds.group(3)), tokens)
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| 278 | else :
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| 279 | if settings.distribute:
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| 280 | ret, jstr = sh("distcc", "-j", output_file=subprocess.PIPE, ignore_dry_run=True)
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| 281 | if ret == 0:
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| 282 | options.jobs = int(jstr.strip())
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| 283 | else :
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| 284 | options.jobs = multiprocessing.cpu_count()
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| 285 | else:
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| 286 | options.jobs = multiprocessing.cpu_count()
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| 287 | else :
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| 288 | force = True
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| 289 |
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| 290 | # make sure we have a valid number of jobs that corresponds to user input
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| 291 | if options.jobs <= 0 :
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| 292 | print('ERROR: Invalid number of jobs', file=sys.stderr)
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| 293 | sys.exit(1)
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| 294 |
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| 295 | return min( options.jobs, len(tests) ), force
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| 296 |
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| 297 | # enable core dumps for all the test children
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| 298 | resource.setrlimit(resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY))
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| 299 |
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| 300 | ################################################################################
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| 301 | # misc
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| 302 | ################################################################################
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| 303 |
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| 304 | # get hash for given configuration
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| 305 | def config_hash():
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| 306 | path = os.path.normpath(os.path.join(
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| 307 | settings.SRCDIR,
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| 308 | ))
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| 309 |
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| 310 | distcc_hash = os.path.join(settings.SRCDIR, '../tools/build/distcc_hash')
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| 311 | config = "%s-%s" % (settings.arch.target, settings.debug.path)
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| 312 | _, out = sh(distcc_hash, config, output_file=subprocess.PIPE, ignore_dry_run=True)
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| 313 | return out.strip()
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| 314 |
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| 315 | # get pretty string for time of day
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| 316 | def pretty_now():
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| 317 | ts = time.time()
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| 318 | print(ts, file=sys.stderr)
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| 319 | return datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d_%H:%M:%S')
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| 320 |
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| 321 | # check if arguments is yes or no
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| 322 | def yes_no(string):
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| 323 | if string == "yes" :
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| 324 | return True
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| 325 | if string == "no" :
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| 326 | return False
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| 327 | raise argparse.ArgumentTypeError(msg)
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| 328 |
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| 329 | # Convert a function that converts a string to one that converts comma separated string.
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| 330 | def comma_separated(elements):
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| 331 | return lambda string: [elements(part) for part in string.split(',')]
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| 332 |
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| 333 | def fancy_print(text):
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| 334 | column = which('column')
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| 335 | if column:
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| 336 | subprocess.run(column, input=bytes(text + "\n", "UTF-8"))
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| 337 | else:
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| 338 | print(text)
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| 339 |
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| 340 |
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| 341 | def core_info(path):
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| 342 | if not os.path.isfile(path):
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| 343 | return 1, "ERR Executable path is wrong"
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| 344 |
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| 345 | cmd = os.path.join(settings.SRCDIR, "pybin/print-core.gdb")
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| 346 | if not os.path.isfile(cmd):
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| 347 | return 1, "ERR Printing format for core dumps not found"
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| 348 |
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| 349 | core = os.path.join(os.getcwd(), "core" )
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| 350 |
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| 351 | if not os.path.isfile(core):
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| 352 | return 1, "ERR No core dump"
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| 353 |
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| 354 | return sh('gdb', '-n', path, core, '-batch', '-x', cmd, output_file=subprocess.PIPE)
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| 355 |
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| 356 | def core_archive(dst, name, exe):
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| 357 | # Get the core dump
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| 358 | core = os.path.join(os.getcwd(), "core" )
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| 359 |
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| 360 | # update the path for this test
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| 361 | dst = os.path.join(dst, name)
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| 362 |
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| 363 | # make a directory for this test
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| 364 | # mkdir makes the parent directory only so add a dummy
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| 365 | mkdir(os.path.join(dst, name ))
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| 366 |
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| 367 | # moves the files
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| 368 | mv( core, os.path.join(dst, "core" ) )
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| 369 | mv( exe , os.path.join(dst, name ) )
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| 370 |
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| 371 | # return explanatory test
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| 372 | return "Archiving %s (executable and core) to %s" % (os.path.relpath(exe, settings.BUILDDIR), os.path.relpath(dst, settings.original_path))
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| 373 |
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| 374 | class Timed:
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| 375 | def __enter__(self):
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| 376 | self.start = time.time()
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| 377 | return self
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| 378 |
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| 379 | def __exit__(self, *args):
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| 380 | self.end = time.time()
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| 381 | self.duration = self.end - self.start
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| 382 |
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| 383 | def timed(src, timeout):
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| 384 | expire = time.time() + timeout
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| 385 | i = iter(src)
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| 386 | with contextlib.suppress(StopIteration):
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| 387 | while True:
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| 388 | yield i.next(max(expire - time.time(), 0))
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