| 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, pass_fds = []): |
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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, 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 | pass_fds = pass_fds |
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| 69 | ) as proc: |
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| 70 | |
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| 71 | try: |
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| 72 | out, errout = proc.communicate( |
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| 73 | timeout = settings.timeout.single if timeout else None |
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| 74 | ) |
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| 75 | |
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| 76 | return proc.returncode, out.decode("latin-1") if out else None, errout.decode("latin-1") if errout else None |
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| 77 | except subprocess.TimeoutExpired: |
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| 78 | if settings.timeout2gdb: |
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| 79 | print("Process {} timeout".format(proc.pid)) |
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| 80 | proc.communicate() |
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| 81 | return 124, str(None), "Subprocess Timeout 2 gdb" |
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| 82 | else: |
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| 83 | proc.send_signal(signal.SIGABRT) |
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| 84 | proc.communicate() |
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| 85 | return 124, str(None), "Subprocess Timeout 2 gdb" |
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| 86 | |
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| 87 | except Exception as ex: |
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| 88 | print ("Unexpected error: %s" % ex) |
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| 89 | raise |
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| 90 | |
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| 91 | def is_empty(fname): |
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| 92 | if not os.path.isfile(fname): |
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| 93 | return True |
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| 94 | |
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| 95 | if os.stat(fname).st_size == 0: |
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| 96 | return True |
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| 97 | |
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| 98 | return False |
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| 99 | |
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| 100 | def is_ascii(fname): |
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| 101 | if settings.dry_run: |
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| 102 | print("is_ascii: %s" % fname) |
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| 103 | return (True, "") |
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| 104 | |
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| 105 | if not os.path.isfile(fname): |
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| 106 | return (False, "No file") |
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| 107 | |
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| 108 | code, out, err = sh("file", fname, output_file=subprocess.PIPE) |
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| 109 | if code != 0: |
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| 110 | return (False, "'file EXPECT' failed with code {} '{}'".format(code, err)) |
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| 111 | |
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| 112 | match = re.search(".*: (.*)", out) |
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| 113 | |
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| 114 | if not match: |
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| 115 | return (False, "Unreadable file type: '{}'".format(out)) |
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| 116 | |
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| 117 | if "ASCII text" in match.group(1): |
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| 118 | return (True, "") |
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| 119 | |
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| 120 | return (False, "File type should be 'ASCII text', was '{}'".format(match.group(1))) |
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| 121 | |
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| 122 | def is_exe(fname): |
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| 123 | return os.path.isfile(fname) and os.access(fname, os.X_OK) |
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| 124 | |
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| 125 | def openfd(file, mode, exitstack, checkfile): |
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| 126 | if not file: |
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| 127 | return file |
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| 128 | |
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| 129 | if isinstance(file, int): |
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| 130 | return file |
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| 131 | |
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| 132 | if checkfile and not os.path.isfile(file): |
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| 133 | return None |
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| 134 | |
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| 135 | file = open(file, mode, encoding="latin-1") # use latin-1 so all chars mean something. |
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| 136 | exitstack.push(file) |
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| 137 | return file |
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| 138 | |
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| 139 | # Remove 1 or more files silently |
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| 140 | def rm( files ): |
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| 141 | if isinstance(files, str ): files = [ files ] |
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| 142 | for file in files: |
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| 143 | sh( 'rm', '-f', file, output_file=subprocess.DEVNULL, error=subprocess.DEVNULL ) |
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| 144 | |
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| 145 | # Create 1 or more directory |
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| 146 | def mkdir( files ): |
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| 147 | if isinstance(files, str ): files = [ files ] |
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| 148 | for file in files: |
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| 149 | p = os.path.normpath( file ) |
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| 150 | d = os.path.dirname ( p ) |
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| 151 | sh( 'mkdir', '-p', d, output_file=subprocess.DEVNULL, error=subprocess.DEVNULL ) |
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| 152 | |
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| 153 | |
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| 154 | def chdir( dest = __main__.__file__ ): |
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| 155 | abspath = os.path.abspath(dest) |
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| 156 | dname = os.path.dirname(abspath) |
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| 157 | os.chdir(dname) |
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| 158 | |
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| 159 | # diff two files |
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| 160 | def diff( lhs, rhs ): |
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| 161 | # fetch return code and error from the diff command |
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| 162 | return sh( |
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| 163 | '''diff''', |
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| 164 | '''--text''', |
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| 165 | '''--old-group-format=\t\tmissing lines :\n%<''', |
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| 166 | '''--new-line-format=\t\t%dn\t%L''', |
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| 167 | '''--new-group-format=\t\tnew lines : \n%>''', |
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| 168 | '''--old-line-format=\t\t%dn\t%L''', |
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| 169 | '''--unchanged-group-format=%=''', |
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| 170 | '''--changed-group-format=\t\texpected :\n%<\t\tgot :\n%>''', |
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| 171 | '''--unchanged-line-format=''', |
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| 172 | lhs, |
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| 173 | rhs, |
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| 174 | output_file=subprocess.PIPE |
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| 175 | ) |
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| 176 | |
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| 177 | # call make |
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| 178 | def make(target, *, flags = '', output_file = None, error = None, error_file = None, silent = False): |
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| 179 | test_param = """test="%s" """ % (error_file) if error_file else None |
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| 180 | cmd = [ |
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| 181 | *settings.make, |
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| 182 | '-s' if silent else None, |
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| 183 | test_param, |
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| 184 | settings.ast.flags, |
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| 185 | settings.arch.flags, |
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| 186 | settings.debug.flags, |
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| 187 | settings.install.flags, |
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| 188 | settings.distcc if settings.distribute else None, |
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| 189 | flags, |
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| 190 | target |
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| 191 | ] |
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| 192 | cmd = [s for s in cmd if s] |
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| 193 | return sh(*cmd, output_file=output_file, error=error, pass_fds=settings.make_jobfds) |
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| 194 | |
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| 195 | def make_recon(target): |
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| 196 | cmd = [ |
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| 197 | *settings.make, |
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| 198 | '-W', |
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| 199 | os.path.abspath(os.path.join(settings.BUILDDIR, '../driver/cfa')), |
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| 200 | '--recon', |
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| 201 | target |
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| 202 | ] |
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| 203 | cmd = [s for s in cmd if s] |
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| 204 | return sh(*cmd, output_file=subprocess.PIPE) |
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| 205 | |
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| 206 | def which(program): |
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| 207 | fpath, fname = os.path.split(program) |
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| 208 | if fpath: |
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| 209 | if is_exe(program): |
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| 210 | return program |
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| 211 | else: |
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| 212 | for path in os.environ["PATH"].split(os.pathsep): |
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| 213 | exe_file = os.path.join(path, program) |
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| 214 | if is_exe(exe_file): |
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| 215 | return exe_file |
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| 216 | return None |
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| 217 | |
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| 218 | @contextlib.contextmanager |
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| 219 | def tempdir(): |
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| 220 | cwd = os.getcwd() |
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| 221 | with tempfile.TemporaryDirectory() as temp: |
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| 222 | os.chdir(temp) |
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| 223 | try: |
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| 224 | yield temp |
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| 225 | finally: |
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| 226 | os.chdir(cwd) |
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| 227 | |
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| 228 | def killgroup(): |
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| 229 | try: |
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| 230 | os.killpg(os.getpgrp(), signal.SIGINT) |
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| 231 | except KeyboardInterrupt: |
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| 232 | pass # expected |
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| 233 | except Exception as exc: |
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| 234 | print("Unexpected exception", file=sys.stderr) |
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| 235 | print(exc, file=sys.stderr) |
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| 236 | sys.stderr.flush() |
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| 237 | sys.exit(2) |
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| 238 | |
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| 239 | ################################################################################ |
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| 240 | # file handling |
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| 241 | ################################################################################ |
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| 242 | # move a file |
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| 243 | def mv(source, dest): |
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| 244 | ret, _, _ = sh("mv", source, dest) |
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| 245 | return ret |
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| 246 | |
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| 247 | # cat one file into the other |
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| 248 | def cat(source, dest): |
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| 249 | ret, _, _ = sh("cat", source, output_file=dest) |
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| 250 | return ret |
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| 251 | |
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| 252 | # helper function to replace patterns in a file |
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| 253 | def file_replace(fname, pat, s_after): |
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| 254 | if settings.dry_run: |
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| 255 | print("replacing '%s' with '%s' in %s" % (pat, s_after, fname)) |
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| 256 | return |
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| 257 | |
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| 258 | file = fileinput.FileInput(fname, inplace=True, backup='.bak') |
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| 259 | for line in file: |
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| 260 | print(line.replace(pat, s_after), end='') |
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| 261 | file.close() |
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| 262 | |
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| 263 | # helper function to check if a files contains only a specific string |
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| 264 | def file_contains_only(file, text) : |
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| 265 | with open(file, encoding="latin-1") as f: # use latin-1 so all chars mean something. |
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| 266 | ff = f.read().strip() |
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| 267 | result = ff == text.strip() |
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| 268 | |
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| 269 | return result |
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| 270 | |
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| 271 | # transform path to canonical form |
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| 272 | def canonical_path(path): |
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| 273 | abspath = os.path.abspath(os.path.realpath(__main__.__file__)) |
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| 274 | dname = os.path.dirname(abspath) |
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| 275 | return os.path.join(dname, os.path.normpath(path) ) |
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| 276 | |
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| 277 | # compare path even if form is different |
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| 278 | def path_cmp(lhs, rhs): |
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| 279 | return canonical_path( lhs ) == canonical_path( rhs ) |
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| 280 | |
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| 281 | # walk all files in a path |
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| 282 | def path_walk( op ): |
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| 283 | dname = settings.SRCDIR |
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| 284 | for dirname, _, names in os.walk(dname): |
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| 285 | for name in names: |
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| 286 | path = os.path.join(dirname, name) |
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| 287 | op( path ) |
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| 288 | |
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| 289 | ################################################################################ |
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| 290 | # system |
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| 291 | ################################################################################ |
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| 292 | def jobserver_version(): |
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| 293 | make_ret, out, err = sh('make', '.test_makeflags', '-j2', ignore_dry_run = True, output_file=subprocess.PIPE, error=subprocess.PIPE) |
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| 294 | if make_ret != 0: |
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| 295 | print("ERROR: cannot find Makefile jobserver version", file=sys.stderr) |
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| 296 | print(" test returned : {} '{}'".format(make_ret, err), file=sys.stderr) |
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| 297 | sys.exit(1) |
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| 298 | |
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| 299 | re_jobs = re.search("--jobserver-(auth|fds)", out) |
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| 300 | if not re_jobs: |
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| 301 | print("ERROR: cannot find Makefile jobserver version", file=sys.stderr) |
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| 302 | print(" MAKEFLAGS are : '{}'".format(out), file=sys.stderr) |
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| 303 | sys.exit(1) |
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| 304 | |
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| 305 | return "--jobserver-{}".format(re_jobs.group(1)) |
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| 306 | |
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| 307 | def prep_recursive_make(N): |
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| 308 | if N < 2: |
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| 309 | return [] |
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| 310 | |
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| 311 | # create the pipe |
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| 312 | (r, w) = os.pipe() |
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| 313 | |
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| 314 | # feel it with N-1 tokens, (Why N-1 and not N, I don't know it's in the manpage for make) |
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| 315 | os.write(w, b'+' * (N - 1)); |
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| 316 | |
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| 317 | # prep the flags for make |
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| 318 | make_flags = ["-j{}".format(N), "--jobserver-auth={},{}".format(r, w)] |
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| 319 | |
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| 320 | # tell make about the pipes |
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| 321 | os.environ["MAKEFLAGS"] = os.environ["MFLAGS"] = " ".join(make_flags) |
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| 322 | |
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| 323 | # make sure pass the pipes to our children |
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| 324 | settings.update_make_fds(r, w) |
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| 325 | |
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| 326 | return make_flags |
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| 327 | |
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| 328 | def prep_unlimited_recursive_make(): |
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| 329 | # prep the flags for make |
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| 330 | make_flags = ["-j"] |
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| 331 | |
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| 332 | # tell make about the pipes |
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| 333 | os.environ["MAKEFLAGS"] = os.environ["MFLAGS"] = "-j" |
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| 334 | |
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| 335 | return make_flags |
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| 336 | |
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| 337 | |
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| 338 | def eval_hardware(): |
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| 339 | # we can create as many things as we want |
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| 340 | # how much hardware do we have? |
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| 341 | if settings.distribute: |
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| 342 | # remote hardware is allowed |
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| 343 | # how much do we have? |
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| 344 | ret, jstr, _ = sh("distcc", "-j", output_file=subprocess.PIPE, ignore_dry_run=True) |
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| 345 | return int(jstr.strip()) if ret == 0 else multiprocessing.cpu_count() |
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| 346 | else: |
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| 347 | # remote isn't allowed, use local cpus |
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| 348 | return multiprocessing.cpu_count() |
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| 349 | |
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| 350 | # count number of jobs to create |
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| 351 | def job_count( options ): |
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| 352 | # check if the user already passed in a number of jobs for multi-threading |
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| 353 | make_env = os.environ.get('MAKEFLAGS') |
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| 354 | make_flags = make_env.split() if make_env else None |
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| 355 | jobstr = jobserver_version() |
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| 356 | |
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| 357 | if options.jobs and make_flags: |
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| 358 | print('WARNING: -j options should not be specified when called form Make', file=sys.stderr) |
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| 359 | |
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| 360 | # Top level make is calling the shots, just follow |
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| 361 | if make_flags: |
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| 362 | # do we have -j and --jobserver-... |
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| 363 | jobopt = None |
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| 364 | exists_fds = None |
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| 365 | for f in make_flags: |
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| 366 | jobopt = f if f.startswith("-j") else jobopt |
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| 367 | exists_fds = f if f.startswith(jobstr) else exists_fds |
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| 368 | |
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| 369 | # do we have limited parallelism? |
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| 370 | if exists_fds : |
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| 371 | try: |
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| 372 | rfd, wfd = tuple(exists_fds.split('=')[1].split(',')) |
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| 373 | except: |
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| 374 | print("ERROR: jobserver has unrecoginzable format, was '{}'".format(exists_fds), file=sys.stderr) |
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| 375 | sys.exit(1) |
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| 376 | |
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| 377 | # read the token pipe to count number of available tokens and restore the pipe |
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| 378 | # this assumes the test suite script isn't invoked in parellel with something else |
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| 379 | tokens = os.read(int(rfd), 65536) |
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| 380 | os.write(int(wfd), tokens) |
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| 381 | |
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| 382 | # the number of tokens is off by one for obscure but well documented reason |
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| 383 | # see man make for more details |
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| 384 | options.jobs = len(tokens) + 1 |
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| 385 | |
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| 386 | # do we have unlimited parallelism? |
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| 387 | elif jobopt and jobopt != "-j1": |
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| 388 | # check that this actually make sense |
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| 389 | if jobopt != "-j": |
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| 390 | print("ERROR: -j option passed by make but no {}, was '{}'".format(jobstr, jobopt), file=sys.stderr) |
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| 391 | sys.exit(1) |
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| 392 | |
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| 393 | options.jobs = eval_hardware() |
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| 394 | flags = prep_unlimited_recursive_make() |
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| 395 | |
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| 396 | |
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| 397 | # then no parallelism |
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| 398 | else: |
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| 399 | options.jobs = 1 |
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| 400 | |
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| 401 | # keep all flags make passed along, except the weird 'w' which is about subdirectories |
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| 402 | flags = [f for f in make_flags if f != 'w'] |
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| 403 | |
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| 404 | # Arguments are calling the shots, fake the top level make |
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| 405 | elif options.jobs : |
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| 406 | |
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| 407 | # make sure we have a valid number of jobs that corresponds to user input |
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| 408 | if options.jobs < 0 : |
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| 409 | print('ERROR: Invalid number of jobs', file=sys.stderr) |
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| 410 | sys.exit(1) |
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| 411 | |
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| 412 | flags = prep_recursive_make(options.jobs) |
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| 413 | |
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| 414 | # Arguments are calling the shots, fake the top level make, but 0 is a special case |
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| 415 | elif options.jobs == 0: |
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| 416 | options.jobs = eval_hardware() |
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| 417 | flags = prep_unlimited_recursive_make() |
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| 418 | |
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| 419 | # No one says to run in parallel, then don't |
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| 420 | else : |
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| 421 | options.jobs = 1 |
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| 422 | flags = [] |
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| 423 | |
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| 424 | # Make sure we call make as expected |
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| 425 | settings.update_make_cmd( flags ) |
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| 426 | |
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| 427 | # return the job count |
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| 428 | return options.jobs |
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| 429 | |
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| 430 | # enable core dumps for all the test children |
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| 431 | resource.setrlimit(resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY)) |
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| 432 | |
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| 433 | ################################################################################ |
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| 434 | # misc |
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| 435 | ################################################################################ |
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| 436 | |
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| 437 | # get hash for given configuration |
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| 438 | def config_hash(): |
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| 439 | path = os.path.normpath(os.path.join( |
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| 440 | settings.SRCDIR, |
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| 441 | )) |
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| 442 | |
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| 443 | distcc_hash = os.path.join(settings.SRCDIR, '../tools/build/distcc_hash') |
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| 444 | config = "%s-%s" % (settings.arch.target, settings.debug.path) |
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| 445 | _, out, _ = sh(distcc_hash, config, output_file=subprocess.PIPE, ignore_dry_run=True) |
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| 446 | return out.strip() |
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| 447 | |
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| 448 | # get pretty string for time of day |
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| 449 | def pretty_now(): |
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| 450 | ts = time.time() |
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| 451 | print(ts, file=sys.stderr) |
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| 452 | return datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d_%H:%M:%S') |
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| 453 | |
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| 454 | # check if arguments is yes or no |
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| 455 | def yes_no(string): |
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| 456 | if string == "yes" : |
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| 457 | return True |
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| 458 | if string == "no" : |
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| 459 | return False |
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| 460 | raise argparse.ArgumentTypeError(msg) |
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| 461 | |
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| 462 | # Convert a function that converts a string to one that converts comma separated string. |
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| 463 | def comma_separated(elements): |
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| 464 | return lambda string: [elements(part) for part in string.split(',')] |
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| 465 | |
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| 466 | def fancy_print(text): |
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| 467 | column = which('column') |
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| 468 | if column: |
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| 469 | subprocess.run(column, input=bytes(text + "\n", "UTF-8")) |
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| 470 | else: |
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| 471 | print(text) |
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| 472 | |
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| 473 | |
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| 474 | def core_info(path): |
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| 475 | if not os.path.isfile(path): |
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| 476 | return 1, "ERR Executable path is wrong" |
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| 477 | |
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| 478 | cmd = os.path.join(settings.SRCDIR, "pybin/print-core.gdb") |
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| 479 | if not os.path.isfile(cmd): |
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| 480 | return 1, "ERR Printing format for core dumps not found" |
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| 481 | |
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| 482 | core = os.path.join(os.getcwd(), "core" ) |
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| 483 | |
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| 484 | if not os.path.isfile(core): |
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| 485 | return 1, "ERR No core dump, expected '{}' (limit soft: {} hard: {})".format(core, *resource.getrlimit(resource.RLIMIT_CORE)) |
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| 486 | |
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| 487 | try: |
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| 488 | ret, out, err = sh('gdb', '-n', path, core, '-batch', '-x', cmd, output_file=subprocess.PIPE) |
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| 489 | if ret == 0: |
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| 490 | return 0, out |
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| 491 | else: |
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| 492 | return 1, err |
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| 493 | except: |
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| 494 | return 1, "ERR Could not read core with gdb" |
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| 495 | |
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| 496 | def core_archive(dst, name, exe): |
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| 497 | # Get the core dump |
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| 498 | core = os.path.join(os.getcwd(), "core" ) |
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| 499 | |
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| 500 | # update the path for this test |
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| 501 | dst = os.path.join(dst, name) |
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| 502 | |
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| 503 | # make a directory for this test |
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| 504 | # mkdir makes the parent directory only so add a dummy |
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| 505 | mkdir( os.path.join(dst, "core") ) |
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| 506 | |
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| 507 | # moves the files |
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| 508 | mv( core, os.path.join(dst, "core" ) ) |
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| 509 | mv( exe , os.path.join(dst, "exe" ) ) |
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| 510 | |
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| 511 | # return explanatory test |
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| 512 | 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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| 513 | |
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| 514 | class Timed: |
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| 515 | def __enter__(self): |
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| 516 | self.start = time.time() |
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| 517 | return self |
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| 518 | |
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| 519 | def __exit__(self, *args): |
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| 520 | self.end = time.time() |
|---|
| 521 | self.duration = self.end - self.start |
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| 522 | |
|---|
| 523 | def timed(src, timeout): |
|---|
| 524 | expire = time.time() + timeout |
|---|
| 525 | i = iter(src) |
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| 526 | with contextlib.suppress(StopIteration): |
|---|
| 527 | while True: |
|---|
| 528 | yield i.next(max(expire - time.time(), 0)) |
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| 529 | |
|---|
| 530 | def fmtDur( duration ): |
|---|
| 531 | if duration : |
|---|
| 532 | hours, rem = divmod(duration, 3600) |
|---|
| 533 | minutes, rem = divmod(rem, 60) |
|---|
| 534 | seconds, millis = divmod(rem, 1) |
|---|
| 535 | return "%2d:%02d.%03d" % (minutes, seconds, millis * 1000) |
|---|
| 536 | return " n/a" |
|---|
