| 1 | from __future__ import print_function
|
|---|
| 2 |
|
|---|
| 3 | import __main__
|
|---|
| 4 | import argparse
|
|---|
| 5 | import multiprocessing
|
|---|
| 6 | import os
|
|---|
| 7 | import re
|
|---|
| 8 | import signal
|
|---|
| 9 | import stat
|
|---|
| 10 | import sys
|
|---|
| 11 |
|
|---|
| 12 | from pybin import settings
|
|---|
| 13 | from subprocess import Popen, PIPE, STDOUT
|
|---|
| 14 |
|
|---|
| 15 | ################################################################################
|
|---|
| 16 | # shell helpers
|
|---|
| 17 | ################################################################################
|
|---|
| 18 |
|
|---|
| 19 | # helper functions to run terminal commands
|
|---|
| 20 | def sh(cmd, print2stdout = True, input = None):
|
|---|
| 21 | # add input redirection if needed
|
|---|
| 22 | if input and os.path.isfile(input):
|
|---|
| 23 | cmd += " < %s" % input
|
|---|
| 24 |
|
|---|
| 25 | # if this is a dry_run, only print the commands that would be ran
|
|---|
| 26 | if settings.dry_run :
|
|---|
| 27 | print("cmd: %s" % cmd)
|
|---|
| 28 | return 0, None
|
|---|
| 29 |
|
|---|
| 30 | # otherwise create a pipe and run the desired command
|
|---|
| 31 | else :
|
|---|
| 32 | proc = Popen(cmd, stdout=None if print2stdout else PIPE, stderr=STDOUT, shell=True)
|
|---|
| 33 | out, err = proc.communicate()
|
|---|
| 34 | return proc.returncode, out
|
|---|
| 35 |
|
|---|
| 36 | # Remove 1 or more files silently
|
|---|
| 37 | def rm( files ):
|
|---|
| 38 | try:
|
|---|
| 39 | for file in files:
|
|---|
| 40 | sh("rm -f %s > /dev/null 2>&1" % file )
|
|---|
| 41 | except TypeError:
|
|---|
| 42 | sh("rm -f %s > /dev/null 2>&1" % files )
|
|---|
| 43 |
|
|---|
| 44 | def chdir( dest = __main__.__file__ ):
|
|---|
| 45 | abspath = os.path.abspath(dest)
|
|---|
| 46 | dname = os.path.dirname(abspath)
|
|---|
| 47 | os.chdir(dname)
|
|---|
| 48 |
|
|---|
| 49 | # diff two files
|
|---|
| 50 | def diff( lhs, rhs ):
|
|---|
| 51 | # diff the output of the files
|
|---|
| 52 | diff_cmd = ("diff --ignore-all-space "
|
|---|
| 53 | "--ignore-blank-lines "
|
|---|
| 54 | "--old-group-format='\t\tmissing lines :\n"
|
|---|
| 55 | "%%<' \\\n"
|
|---|
| 56 | "--new-group-format='\t\tnew lines :\n"
|
|---|
| 57 | "%%>' \\\n"
|
|---|
| 58 | "--unchanged-group-format='%%=' \\"
|
|---|
| 59 | "--changed-group-format='\t\texpected :\n"
|
|---|
| 60 | "%%<"
|
|---|
| 61 | "\t\tgot :\n"
|
|---|
| 62 | "%%>\n' \\\n"
|
|---|
| 63 | "--new-line-format='\t\t%%dn\t%%L' \\\n"
|
|---|
| 64 | "--old-line-format='\t\t%%dn\t%%L' \\\n"
|
|---|
| 65 | "--unchanged-line-format='' \\\n"
|
|---|
| 66 | "%s %s")
|
|---|
| 67 |
|
|---|
| 68 | # fetch return code and error from the diff command
|
|---|
| 69 | return sh(diff_cmd % (lhs, rhs), False)
|
|---|
| 70 |
|
|---|
| 71 | # call make
|
|---|
| 72 | def make(target, flags = '', redirects = '', error_file = None, silent = False):
|
|---|
| 73 | test_param = """test="%s" """ % (error_file) if error_file else ''
|
|---|
| 74 | cmd = ' '.join([
|
|---|
| 75 | settings.make,
|
|---|
| 76 | '-s' if silent else '',
|
|---|
| 77 | test_param,
|
|---|
| 78 | settings.debug.flags,
|
|---|
| 79 | flags,
|
|---|
| 80 | target,
|
|---|
| 81 | redirects
|
|---|
| 82 | ])
|
|---|
| 83 | return sh(cmd)
|
|---|
| 84 |
|
|---|
| 85 | ################################################################################
|
|---|
| 86 | # file handling
|
|---|
| 87 | ################################################################################
|
|---|
| 88 |
|
|---|
| 89 | # helper function to replace patterns in a file
|
|---|
| 90 | def file_replace(fname, pat, s_after):
|
|---|
| 91 | # first, see if the pattern is even in the file.
|
|---|
| 92 | with open(fname) as f:
|
|---|
| 93 | if not any(re.search(pat, line) for line in f):
|
|---|
| 94 | return # pattern does not occur in file so we are done.
|
|---|
| 95 |
|
|---|
| 96 | # pattern is in the file, so perform replace operation.
|
|---|
| 97 | with open(fname) as f:
|
|---|
| 98 | out_fname = fname + ".tmp"
|
|---|
| 99 | out = open(out_fname, "w")
|
|---|
| 100 | for line in f:
|
|---|
| 101 | out.write(re.sub(pat, s_after, line))
|
|---|
| 102 | out.close()
|
|---|
| 103 | os.rename(out_fname, fname)
|
|---|
| 104 |
|
|---|
| 105 | # helper function to check if a files contains only a specific string
|
|---|
| 106 | def fileContainsOnly(file, text) :
|
|---|
| 107 | with open(file) as f:
|
|---|
| 108 | ff = f.read().strip()
|
|---|
| 109 | result = ff == text.strip()
|
|---|
| 110 |
|
|---|
| 111 | return result;
|
|---|
| 112 |
|
|---|
| 113 | # check whether or not a file is executable
|
|---|
| 114 | def fileIsExecutable(file) :
|
|---|
| 115 | try :
|
|---|
| 116 | fileinfo = os.stat(file)
|
|---|
| 117 | return bool(fileinfo.st_mode & stat.S_IXUSR)
|
|---|
| 118 | except Exception as inst:
|
|---|
| 119 | print(type(inst)) # the exception instance
|
|---|
| 120 | print(inst.args) # arguments stored in .args
|
|---|
| 121 | print(inst)
|
|---|
| 122 | return False
|
|---|
| 123 |
|
|---|
| 124 | # transform path to canonical form
|
|---|
| 125 | def canonicalPath(path):
|
|---|
| 126 | return os.path.join('.', os.path.normpath(path) )
|
|---|
| 127 |
|
|---|
| 128 | # compare path even if form is different
|
|---|
| 129 | def pathCmp(lhs, rhs):
|
|---|
| 130 | return canonicalPath( lhs ) == canonicalPath( rhs )
|
|---|
| 131 |
|
|---|
| 132 | # walk all files in a path
|
|---|
| 133 | def pathWalk( op ):
|
|---|
| 134 | def step(_, dirname, names):
|
|---|
| 135 | for name in names:
|
|---|
| 136 | path = os.path.join(dirname, name)
|
|---|
| 137 |
|
|---|
| 138 | op( path )
|
|---|
| 139 |
|
|---|
| 140 | # Start the walk
|
|---|
| 141 | os.path.walk('.', step, '')
|
|---|
| 142 |
|
|---|
| 143 | ################################################################################
|
|---|
| 144 | # system
|
|---|
| 145 | ################################################################################
|
|---|
| 146 |
|
|---|
| 147 | # parses the Makefile to find the machine type (32-bit / 64-bit)
|
|---|
| 148 | def getMachineType():
|
|---|
| 149 | sh('echo "void ?{}(int&a,int b){}int main(){return 0;}" > .dummy.c')
|
|---|
| 150 | ret, out = make('.dummy', silent = True)
|
|---|
| 151 |
|
|---|
| 152 | if ret != 0:
|
|---|
| 153 | print("Failed to identify architecture:")
|
|---|
| 154 | print(out)
|
|---|
| 155 | print("Stopping")
|
|---|
| 156 | rm( (".dummy.c",".dummy") )
|
|---|
| 157 | sys.exit(1)
|
|---|
| 158 |
|
|---|
| 159 | _, out = sh("file .dummy", print2stdout=False)
|
|---|
| 160 | rm( (".dummy.c",".dummy") )
|
|---|
| 161 |
|
|---|
| 162 | if settings.dry_run :
|
|---|
| 163 | return 'x64'
|
|---|
| 164 |
|
|---|
| 165 | return re.search(r"[^,]+,([^,]+),", out).group(1).strip()
|
|---|
| 166 |
|
|---|
| 167 | # count number of jobs to create
|
|---|
| 168 | def jobCount( options, tests ):
|
|---|
| 169 | # check if the user already passed in a number of jobs for multi-threading
|
|---|
| 170 | make_flags = os.environ.get('MAKEFLAGS')
|
|---|
| 171 | make_jobs_fds = re.search("--jobserver-(auth|fds)=\s*([0-9]+),([0-9]+)", make_flags) if make_flags else None
|
|---|
| 172 | if make_jobs_fds :
|
|---|
| 173 | tokens = os.read(int(make_jobs_fds.group(2)), 1024)
|
|---|
| 174 | options.jobs = len(tokens)
|
|---|
| 175 | os.write(int(make_jobs_fds.group(3)), tokens)
|
|---|
| 176 | else :
|
|---|
| 177 | options.jobs = multiprocessing.cpu_count()
|
|---|
| 178 |
|
|---|
| 179 | # make sure we have a valid number of jobs that corresponds to user input
|
|---|
| 180 | if options.jobs <= 0 :
|
|---|
| 181 | print('ERROR: Invalid number of jobs', file=sys.stderr)
|
|---|
| 182 | sys.exit(1)
|
|---|
| 183 |
|
|---|
| 184 | return min( options.jobs, len(tests) ), True if make_flags else False
|
|---|
| 185 |
|
|---|
| 186 | # setup a proper processor pool with correct signal handling
|
|---|
| 187 | def setupPool(jobs):
|
|---|
| 188 | original_sigint_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
|
|---|
| 189 | pool = multiprocessing.Pool(jobs)
|
|---|
| 190 | signal.signal(signal.SIGINT, original_sigint_handler)
|
|---|
| 191 |
|
|---|
| 192 | return pool
|
|---|
| 193 |
|
|---|
| 194 | # handle signals in scope
|
|---|
| 195 | class SignalHandling():
|
|---|
| 196 | def __enter__(self):
|
|---|
| 197 | # enable signal handling
|
|---|
| 198 | signal.signal(signal.SIGINT, signal.SIG_DFL)
|
|---|
| 199 |
|
|---|
| 200 | def __exit__(self, type, value, traceback):
|
|---|
| 201 | # disable signal handling
|
|---|
| 202 | signal.signal(signal.SIGINT, signal.SIG_IGN)
|
|---|
| 203 |
|
|---|
| 204 | ################################################################################
|
|---|
| 205 | # misc
|
|---|
| 206 | ################################################################################
|
|---|
| 207 |
|
|---|
| 208 | # check if arguments is yes or no
|
|---|
| 209 | def yes_no(string):
|
|---|
| 210 | if string == "yes" :
|
|---|
| 211 | return True
|
|---|
| 212 | if string == "no" :
|
|---|
| 213 | return False
|
|---|
| 214 | raise argparse.ArgumentTypeError(msg)
|
|---|
| 215 | return False
|
|---|
| 216 |
|
|---|
| 217 |
|
|---|
| 218 | settings.set_machine_default( getMachineType )
|
|---|
