| 1 | import __main__
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| 2 | import argparse
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| 3 | import fileinput
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| 4 | import multiprocessing
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| 5 | import os
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| 6 | import re
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| 7 | import resource
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| 8 | import signal
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| 9 | import stat
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| 10 | import subprocess
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| 11 | import sys
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| 12 | import time
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| 13 | import types
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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, timeout = False, output = None, 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 | # add output redirection if needed
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| 29 | if output:
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| 30 | cmd += " > %s" % output
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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 :
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| 34 | print("cmd: %s" % cmd)
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| 35 | return 0, None
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| 36 |
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| 37 | # otherwise create a pipe and run the desired command
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| 38 | else :
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| 39 | proc = subprocess.run(
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| 40 | cmd,
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| 41 | stdout=None if print2stdout else PIPE,
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| 42 | stderr=STDOUT,
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| 43 | shell=True,
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| 44 | timeout=settings.timeout.single if timeout else None
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| 45 | )
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| 46 | return proc.returncode, proc.stdout
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| 47 |
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| 48 | def is_ascii(fname):
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| 49 | if settings.dry_run:
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| 50 | print("is_ascii: %s" % fname)
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| 51 | return True
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| 52 |
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| 53 | if not os.path.isfile(fname):
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| 54 | return False
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| 55 |
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| 56 | code, out = sh("file %s" % fname, print2stdout = False)
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| 57 | if code != 0:
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| 58 | return False
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| 59 |
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| 60 | match = re.search(".*: (.*)", out)
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| 61 |
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| 62 | if not match:
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| 63 | return False
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| 64 |
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| 65 | return match.group(1).startswith("ASCII text")
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| 66 |
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| 67 | def is_exe(fname):
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| 68 | return os.path.isfile(fname) and os.access(fname, os.X_OK)
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| 69 |
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| 70 | # Remove 1 or more files silently
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| 71 | def rm( files ):
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| 72 | if isinstance(files, str ): files = [ files ]
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| 73 | for file in files:
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| 74 | sh("rm -f %s > /dev/null 2>&1" % file )
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| 75 |
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| 76 | # Create 1 or more directory
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| 77 | def mkdir( files ):
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| 78 | if isinstance(files, str ): files = [ files ]
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| 79 | for file in files:
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| 80 | p = os.path.normpath( file )
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| 81 | d = os.path.dirname ( p )
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| 82 | sh( "mkdir -p {}".format(d) )
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| 83 |
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| 84 |
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| 85 | def chdir( dest = __main__.__file__ ):
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| 86 | abspath = os.path.abspath(dest)
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| 87 | dname = os.path.dirname(abspath)
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| 88 | os.chdir(dname)
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| 89 |
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| 90 | # diff two files
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| 91 | def diff( lhs, rhs ):
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| 92 | # diff the output of the files
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| 93 | diff_cmd = ("diff --text "
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| 94 | "--old-group-format='\t\tmissing lines :\n"
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| 95 | "%%<' \\\n"
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| 96 | "--new-group-format='\t\tnew lines :\n"
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| 97 | "%%>' \\\n"
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| 98 | "--unchanged-group-format='%%=' \\"
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| 99 | "--changed-group-format='\t\texpected :\n"
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| 100 | "%%<"
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| 101 | "\t\tgot :\n"
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| 102 | "%%>\n' \\\n"
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| 103 | "--new-line-format='\t\t%%dn\t%%L' \\\n"
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| 104 | "--old-line-format='\t\t%%dn\t%%L' \\\n"
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| 105 | "--unchanged-line-format='' \\\n"
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| 106 | "%s %s")
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| 107 |
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| 108 | # fetch return code and error from the diff command
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| 109 | return sh(diff_cmd % (lhs, rhs), False)
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| 110 |
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| 111 | # call make
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| 112 | def make(target, flags = '', redirects = '', error_file = None, silent = False):
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| 113 | test_param = """test="%s" """ % (error_file) if error_file else ''
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| 114 | cmd = ' '.join([
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| 115 | settings.make,
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| 116 | '-s' if silent else '',
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| 117 | test_param,
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| 118 | settings.arch.flags,
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| 119 | settings.debug.flags,
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| 120 | settings.install.flags,
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| 121 | flags,
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| 122 | target,
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| 123 | redirects
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| 124 | ])
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| 125 | return sh(cmd)
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| 126 |
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| 127 | def which(program):
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| 128 | fpath, fname = os.path.split(program)
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| 129 | if fpath:
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| 130 | if is_exe(program):
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| 131 | return program
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| 132 | else:
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| 133 | for path in os.environ["PATH"].split(os.pathsep):
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| 134 | exe_file = os.path.join(path, program)
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| 135 | if is_exe(exe_file):
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| 136 | return exe_file
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| 137 |
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| 138 | return None
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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 file_contains_only(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 | # transform path to canonical form
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| 173 | def canonical_path(path):
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| 174 | abspath = os.path.abspath(__main__.__file__)
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| 175 | dname = os.path.dirname(abspath)
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| 176 | return os.path.join(dname, os.path.normpath(path) )
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| 177 |
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| 178 | # compare path even if form is different
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| 179 | def path_cmp(lhs, rhs):
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| 180 | return canonical_path( lhs ) == canonical_path( rhs )
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| 181 |
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| 182 | # walk all files in a path
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| 183 | def path_walk( op ):
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| 184 | dname = settings.SRCDIR
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| 185 | for dirname, _, names in os.walk(dname):
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| 186 | for name in names:
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| 187 | path = os.path.join(dirname, name)
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| 188 | op( path )
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| 189 |
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| 190 | ################################################################################
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| 191 | # system
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| 192 | ################################################################################
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| 193 | # count number of jobs to create
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| 194 | def job_count( options, tests ):
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| 195 | # check if the user already passed in a number of jobs for multi-threading
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| 196 | if not options.jobs:
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| 197 | make_flags = os.environ.get('MAKEFLAGS')
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| 198 | force = bool(make_flags)
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| 199 | make_jobs_fds = re.search("--jobserver-(auth|fds)=\s*([0-9]+),([0-9]+)", make_flags) if make_flags else None
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| 200 | if make_jobs_fds :
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| 201 | tokens = os.read(int(make_jobs_fds.group(2)), 1024)
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| 202 | options.jobs = len(tokens)
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| 203 | os.write(int(make_jobs_fds.group(3)), tokens)
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| 204 | else :
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| 205 | options.jobs = multiprocessing.cpu_count()
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| 206 | else :
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| 207 | force = True
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| 208 |
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| 209 | # make sure we have a valid number of jobs that corresponds to user input
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| 210 | if options.jobs <= 0 :
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| 211 | print('ERROR: Invalid number of jobs', file=sys.stderr)
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| 212 | sys.exit(1)
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| 213 |
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| 214 | return min( options.jobs, len(tests) ), force
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| 215 |
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| 216 | # enable core dumps for all the test children
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| 217 | resource.setrlimit(resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY))
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| 218 |
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| 219 | ################################################################################
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| 220 | # misc
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| 221 | ################################################################################
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| 222 |
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| 223 | # check if arguments is yes or no
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| 224 | def yes_no(string):
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| 225 | if string == "yes" :
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| 226 | return True
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| 227 | if string == "no" :
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| 228 | return False
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| 229 | raise argparse.ArgumentTypeError(msg)
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| 230 |
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| 231 | def fancy_print(text):
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| 232 | column = which('column')
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| 233 | if column:
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| 234 | subprocess.run(column, input=bytes(text + "\n", "UTF-8"))
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| 235 | else:
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| 236 | print(text)
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| 237 |
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| 238 |
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| 239 | def core_info(path):
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| 240 | cmd = os.path.join(settings.SRCDIR, "pybin/print-core.gdb")
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| 241 | if not os.path.isfile(cmd):
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| 242 | return 1, "ERR Printing format for core dumps not found"
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| 243 |
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| 244 | dname = os.path.dirname(path)
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| 245 | core = os.path.join(dname, "core" )
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| 246 | if not os.path.isfile(path):
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| 247 | return 1, "ERR Executable path is wrong"
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| 248 |
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| 249 | if not os.path.isfile(core):
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| 250 | return 1, "ERR No core dump"
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| 251 |
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| 252 | return sh("gdb -n %s %s -batch -x %s" % (path, core, cmd), print2stdout=False)
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| 253 |
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| 254 | class Timed:
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| 255 | def __enter__(self):
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| 256 | self.start = time.time()
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| 257 | return self
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| 258 |
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| 259 | def __exit__(self, *args):
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| 260 | self.end = time.time()
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| 261 | self.duration = self.end - self.start
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