| 1 | from __future__ import print_function
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| 2 |
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| 3 | import __main__
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| 4 | import argparse
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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 sys
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| 13 | import time
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| 14 |
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| 15 | from pybin import settings
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| 16 | from subprocess import Popen, PIPE, STDOUT
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| 17 |
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| 18 | ################################################################################
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| 19 | # shell helpers
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| 20 | ################################################################################
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| 21 |
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| 22 | # helper functions to run terminal commands
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| 23 | def sh(cmd, print2stdout = True, input = None):
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| 24 | # add input redirection if needed
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| 25 | if input and os.path.isfile(input):
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| 26 | cmd += " < %s" % input
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| 27 |
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| 28 | # if this is a dry_run, only print the commands that would be ran
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| 29 | if settings.dry_run :
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| 30 | print("cmd: %s" % cmd)
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| 31 | return 0, None
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| 32 |
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| 33 | # otherwise create a pipe and run the desired command
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| 34 | else :
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| 35 | proc = Popen(cmd, stdout=None if print2stdout else PIPE, stderr=STDOUT, shell=True)
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| 36 | out, err = proc.communicate()
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| 37 | return proc.returncode, out
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| 38 |
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| 39 | def is_ascii(fname):
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| 40 | if settings.dry_run:
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| 41 | print("is_ascii: %s" % fname)
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| 42 | return True
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| 43 |
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| 44 | if not os.path.isfile(fname):
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| 45 | return False
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| 46 |
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| 47 | code, out = sh("file %s" % fname, print2stdout = False)
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| 48 | if code != 0:
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| 49 | return False
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| 50 |
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| 51 | match = re.search(".*: (.*)", out)
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| 52 |
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| 53 | if not match:
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| 54 | return False
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| 55 |
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| 56 | return match.group(1).startswith("ASCII text")
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| 57 |
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| 58 | # Remove 1 or more files silently
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| 59 | def rm( files ):
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| 60 | if isinstance( files, basestring ):
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| 61 | sh("rm -f %s > /dev/null 2>&1" % files )
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| 62 | else:
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| 63 | for file in files:
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| 64 | sh("rm -f %s > /dev/null 2>&1" % file )
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| 65 |
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| 66 | # Create 1 or more directory
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| 67 | def mkdir( files ):
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| 68 | if isinstance( files, basestring ):
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| 69 | sh("mkdir -p %s" % os.path.dirname(files) )
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| 70 | else:
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| 71 | for file in files:
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| 72 | sh("mkdir -p %s" % os.path.dirname(file) )
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| 73 |
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| 74 |
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| 75 | def chdir( dest = __main__.__file__ ):
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| 76 | abspath = os.path.abspath(dest)
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| 77 | dname = os.path.dirname(abspath)
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| 78 | os.chdir(dname)
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| 79 |
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| 80 | # diff two files
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| 81 | def diff( lhs, rhs ):
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| 82 | # diff the output of the files
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| 83 | diff_cmd = ("diff --text "
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| 84 | # "--ignore-all-space "
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| 85 | # "--ignore-blank-lines "
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| 86 | "--old-group-format='\t\tmissing lines :\n"
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| 87 | "%%<' \\\n"
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| 88 | "--new-group-format='\t\tnew lines :\n"
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| 89 | "%%>' \\\n"
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| 90 | "--unchanged-group-format='%%=' \\"
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| 91 | "--changed-group-format='\t\texpected :\n"
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| 92 | "%%<"
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| 93 | "\t\tgot :\n"
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| 94 | "%%>\n' \\\n"
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| 95 | "--new-line-format='\t\t%%dn\t%%L' \\\n"
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| 96 | "--old-line-format='\t\t%%dn\t%%L' \\\n"
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| 97 | "--unchanged-line-format='' \\\n"
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| 98 | "%s %s")
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| 99 |
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| 100 | # fetch return code and error from the diff command
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| 101 | return sh(diff_cmd % (lhs, rhs), False)
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| 102 |
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| 103 | # call make
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| 104 | def make(target, flags = '', redirects = '', error_file = None, silent = False):
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| 105 | test_param = """test="%s" """ % (error_file) if error_file else ''
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| 106 | cmd = ' '.join([
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| 107 | settings.make,
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| 108 | '-s' if silent else '',
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| 109 | test_param,
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| 110 | settings.arch.flags,
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| 111 | settings.debug.flags,
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| 112 | settings.install.flags,
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| 113 | flags,
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| 114 | target,
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| 115 | redirects
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| 116 | ])
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| 117 | return sh(cmd)
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| 118 |
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| 119 | def which(program):
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| 120 | import os
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| 121 | def is_exe(fpath):
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| 122 | return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
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| 123 |
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| 124 | fpath, fname = os.path.split(program)
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| 125 | if fpath:
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| 126 | if is_exe(program):
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| 127 | return program
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| 128 | else:
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| 129 | for path in os.environ["PATH"].split(os.pathsep):
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| 130 | exe_file = os.path.join(path, program)
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| 131 | if is_exe(exe_file):
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| 132 | return exe_file
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| 133 |
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| 134 | return None
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| 135 |
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| 136 | def run(exe, output, input):
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| 137 | ret, _ = sh("timeout %d %s > %s 2>&1" % (settings.timeout.single, exe, output), input = input)
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| 138 | return ret
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| 139 |
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| 140 | ################################################################################
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| 141 | # file handling
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| 142 | ################################################################################
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| 143 | # move a file
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| 144 | def mv(source, dest):
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| 145 | ret, _ = sh("mv %s %s" % (source, dest))
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| 146 | return ret
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| 147 |
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| 148 | # cat one file into the other
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| 149 | def cat(source, dest):
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| 150 | ret, _ = sh("cat %s > %s" % (source, dest))
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| 151 | return ret
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| 152 |
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| 153 | # helper function to replace patterns in a file
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| 154 | def file_replace(fname, pat, s_after):
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| 155 | if settings.dry_run:
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| 156 | print("replacing '%s' with '%s' in %s" % (pat, s_after, fname))
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| 157 | return
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| 158 |
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| 159 | file = fileinput.FileInput(fname, inplace=True, backup='.bak')
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| 160 | for line in file:
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| 161 | print(line.replace(pat, s_after), end='')
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| 162 | file.close()
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| 163 |
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| 164 | # helper function to check if a files contains only a specific string
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| 165 | def fileContainsOnly(file, text) :
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| 166 | with open(file) as f:
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| 167 | ff = f.read().strip()
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| 168 | result = ff == text.strip()
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| 169 |
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| 170 | return result;
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| 171 |
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| 172 | # check whether or not a file is executable
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| 173 | def fileIsExecutable(file) :
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| 174 | try :
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| 175 | fileinfo = os.stat(file)
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| 176 | return bool(fileinfo.st_mode & stat.S_IXUSR)
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| 177 | except Exception as inst:
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| 178 | print(type(inst)) # the exception instance
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| 179 | print(inst.args) # arguments stored in .args
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| 180 | print(inst)
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| 181 | return False
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| 182 |
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| 183 | # transform path to canonical form
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| 184 | def canonicalPath(path):
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| 185 | abspath = os.path.abspath(__main__.__file__)
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| 186 | dname = os.path.dirname(abspath)
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| 187 | return os.path.join(dname, os.path.normpath(path) )
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| 188 |
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| 189 | # compare path even if form is different
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| 190 | def pathCmp(lhs, rhs):
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| 191 | return canonicalPath( lhs ) == canonicalPath( rhs )
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| 192 |
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| 193 | # walk all files in a path
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| 194 | def pathWalk( op ):
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| 195 | def step(_, dirname, names):
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| 196 | for name in names:
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| 197 | path = os.path.join(dirname, name)
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| 198 | op( path )
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| 199 |
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| 200 | # Start the walk
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| 201 | dname = settings.SRCDIR
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| 202 | os.path.walk(dname, step, '')
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| 203 |
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| 204 | ################################################################################
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| 205 | # system
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| 206 | ################################################################################
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| 207 | # count number of jobs to create
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| 208 | def jobCount( options, tests ):
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| 209 | # check if the user already passed in a number of jobs for multi-threading
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| 210 | if not options.jobs:
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| 211 | make_flags = os.environ.get('MAKEFLAGS')
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| 212 | force = bool(make_flags)
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| 213 | make_jobs_fds = re.search("--jobserver-(auth|fds)=\s*([0-9]+),([0-9]+)", make_flags) if make_flags else None
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| 214 | if make_jobs_fds :
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| 215 | tokens = os.read(int(make_jobs_fds.group(2)), 1024)
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| 216 | options.jobs = len(tokens)
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| 217 | os.write(int(make_jobs_fds.group(3)), tokens)
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| 218 | else :
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| 219 | options.jobs = multiprocessing.cpu_count()
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| 220 | else :
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| 221 | force = True
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| 222 |
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| 223 | # make sure we have a valid number of jobs that corresponds to user input
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| 224 | if options.jobs <= 0 :
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| 225 | print('ERROR: Invalid number of jobs', file=sys.stderr)
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| 226 | sys.exit(1)
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| 227 |
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| 228 | return min( options.jobs, len(tests) ), force
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| 229 |
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| 230 | # setup a proper processor pool with correct signal handling
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| 231 | def setupPool(jobs):
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| 232 | original_sigint_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
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| 233 | pool = multiprocessing.Pool(jobs)
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| 234 | signal.signal(signal.SIGINT, original_sigint_handler)
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| 235 |
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| 236 | return pool
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| 237 |
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| 238 | # handle signals in scope
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| 239 | class SignalHandling():
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| 240 | def __enter__(self):
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| 241 | # enable signal handling
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| 242 | signal.signal(signal.SIGINT, signal.SIG_DFL)
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| 243 |
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| 244 | def __exit__(self, type, value, traceback):
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| 245 | # disable signal handling
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| 246 | signal.signal(signal.SIGINT, signal.SIG_IGN)
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| 247 |
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| 248 |
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| 249 | # enable core dumps for all the test children
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| 250 | resource.setrlimit(resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY))
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| 251 |
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| 252 | ################################################################################
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| 253 | # misc
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| 254 | ################################################################################
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| 255 |
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| 256 | # check if arguments is yes or no
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| 257 | def yes_no(string):
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| 258 | if string == "yes" :
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| 259 | return True
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| 260 | if string == "no" :
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| 261 | return False
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| 262 | raise argparse.ArgumentTypeError(msg)
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| 263 | return False
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| 264 |
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| 265 | def fancy_print(text):
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| 266 | column = which('column')
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| 267 | if column:
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| 268 | cmd = "%s 2> /dev/null" % column
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| 269 | proc = Popen(cmd, stdin=PIPE, stderr=None, shell=True)
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| 270 | proc.communicate(input=text + "\n")
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| 271 | else:
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| 272 | print(text)
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| 273 |
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| 274 |
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| 275 | def coreInfo(path):
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| 276 | cmd = os.path.join(settings.SRCDIR, "pybin/print-core.gdb")
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| 277 | if not os.path.isfile(cmd):
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| 278 | return 1, "ERR Printing format for core dumps not found"
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| 279 |
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| 280 | dname = os.path.dirname(path)
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| 281 | core = os.path.join(dname, "core" )
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| 282 | if not os.path.isfile(path):
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| 283 | return 1, "ERR Executable path is wrong"
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| 284 |
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| 285 | if not os.path.isfile(core):
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| 286 | return 1, "ERR No core dump"
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| 287 |
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| 288 | return sh("gdb -n %s %s -batch -x %s" % (path, core, cmd), print2stdout=False)
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| 289 |
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| 290 | class Timed:
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| 291 | def __enter__(self):
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| 292 | self.start = time.time()
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| 293 | return self
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| 294 |
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| 295 | def __exit__(self, *args):
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| 296 | self.end = time.time()
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| 297 | self.duration = self.end - self.start
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