| 1 | import __main__
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| 2 | import argparse
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| 3 | import contextlib
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| 4 | import datetime
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| 5 | import fileinput
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| 6 | import multiprocessing
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| 7 | import os
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| 8 | import re
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| 9 | import resource
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| 10 | import signal
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| 11 | import stat
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| 12 | import subprocess
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| 13 | import sys
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| 14 | import tempfile
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| 15 | import time
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| 16 | import types
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| 17 | 
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| 18 | from pybin import settings
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| 19 | 
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| 20 | ################################################################################
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| 21 | #               shell helpers
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| 22 | ################################################################################
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| 23 | 
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| 24 | # helper functions to run terminal commands
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| 25 | def sh(*cmd, timeout = False, output_file = None, input_file = None, input_text = None, error = subprocess.STDOUT, ignore_dry_run = False):
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| 26 |         try:
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| 27 |                 cmd = list(cmd)
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| 28 | 
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| 29 |                 if input_file and input_text:
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| 30 |                         return 401, "Cannot use both text and file inputs"
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| 31 | 
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| 32 |                 # if this is a dry_run, only print the commands that would be ran
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| 33 |                 if settings.dry_run and not ignore_dry_run:
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| 34 |                         cmd = "{} cmd: {}".format(os.getcwd(), ' '.join(cmd))
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| 35 |                         if output_file and not isinstance(output_file, int):
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| 36 |                                 cmd += " > "
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| 37 |                                 cmd += output_file
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| 38 | 
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| 39 |                         if error and not isinstance(error, int):
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| 40 |                                 cmd += " 2> "
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| 41 |                                 cmd += error
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| 42 | 
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| 43 |                         if input_file and not isinstance(input_file, int) and os.path.isfile(input_file):
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| 44 |                                 cmd += " < "
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| 45 |                                 cmd += input_file
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| 46 | 
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| 47 |                         print(cmd)
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| 48 |                         return 0, None
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| 49 | 
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| 50 |                 with contextlib.ExitStack() as onexit:
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| 51 |                         # add input redirection if needed
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| 52 |                         input_file = openfd(input_file, 'r', onexit, True)
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| 53 | 
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| 54 |                         # add output redirection if needed
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| 55 |                         output_file = openfd(output_file, 'w', onexit, False)
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| 56 | 
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| 57 |                         # add error redirection if needed
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| 58 |                         error = openfd(error, 'w', onexit, False)
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| 59 | 
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| 60 |                         # run the desired command
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| 61 |                         # use with statement to make sure proc is cleaned
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| 62 |                         # don't use subprocess.run because we want to send SIGABRT on exit
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| 63 |                         with subprocess.Popen(
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| 64 |                                 cmd,
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| 65 |                                 **({'input' : bytes(input_text, encoding='utf-8')} if input_text else {'stdin' : input_file}),
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| 66 |                                 stdout  = output_file,
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| 67 |                                 stderr  = error
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| 68 |                         ) as proc:
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| 69 | 
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| 70 |                                 try:
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| 71 |                                         out, _ = proc.communicate(
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| 72 |                                                 timeout = settings.timeout.single if timeout else None
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| 73 |                                         )
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| 74 | 
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| 75 |                                         return proc.returncode, out.decode("latin-1") if out else None
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| 76 |                                 except subprocess.TimeoutExpired:
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| 77 |                                         if settings.timeout2gdb:
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| 78 |                                                 print("Process {} timeout".format(proc.pid))
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| 79 |                                                 proc.communicate()
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| 80 |                                                 return 124, str(None)
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| 81 |                                         else:
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| 82 |                                                 proc.send_signal(signal.SIGABRT)
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| 83 |                                                 proc.communicate()
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| 84 |                                                 return 124, str(None)
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| 85 | 
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| 86 |         except Exception as ex:
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| 87 |                 print ("Unexpected error: %s" % ex)
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| 88 |                 raise
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| 89 | 
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| 90 | def is_empty(fname):
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| 91 |         if not os.path.isfile(fname):
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| 92 |                 return True
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| 93 | 
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| 94 |         if os.stat(fname).st_size == 0:
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| 95 |                 return True
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| 96 | 
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| 97 |         return False
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| 98 | 
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| 99 | def is_ascii(fname):
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| 100 |         if settings.dry_run:
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| 101 |                 print("is_ascii: %s" % fname)
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| 102 |                 return (True, "")
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| 103 | 
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| 104 |         if not os.path.isfile(fname):
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| 105 |                 return (False, "No file")
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| 106 | 
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| 107 |         code, out = sh("file", fname, output_file=subprocess.PIPE)
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| 108 |         if code != 0:
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| 109 |                 return (False, "'file EXPECT' failed with code {}".format(code))
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| 110 | 
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| 111 |         match = re.search(".*: (.*)", out)
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| 112 | 
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| 113 |         if not match:
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| 114 |                 return (False, "Unreadable file type: '{}'".format(out))
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| 115 | 
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| 116 |         if "ASCII text" in match.group(1):
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| 117 |                 return (True, "")
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| 118 | 
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| 119 |         return (False, "File type should be 'ASCII text', was '{}'".format(match.group(1)))
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| 120 | 
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| 121 | def is_exe(fname):
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| 122 |         return os.path.isfile(fname) and os.access(fname, os.X_OK)
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| 123 | 
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| 124 | def openfd(file, mode, exitstack, checkfile):
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| 125 |         if not file:
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| 126 |                 return file
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| 127 | 
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| 128 |         if isinstance(file, int):
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| 129 |                 return file
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| 130 | 
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| 131 |         if checkfile and not os.path.isfile(file):
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| 132 |                 return None
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| 133 | 
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| 134 |         file = open(file, mode, encoding="latin-1") # use latin-1 so all chars mean something.
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| 135 |         exitstack.push(file)
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| 136 |         return file
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| 137 | 
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| 138 | # Remove 1 or more files silently
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| 139 | def rm( files ):
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| 140 |         if isinstance(files, str ): files = [ files ]
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| 141 |         for file in files:
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| 142 |                 sh( 'rm', '-f', file, output_file=subprocess.DEVNULL, error=subprocess.DEVNULL )
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| 143 | 
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| 144 | # Create 1 or more directory
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| 145 | def mkdir( files ):
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| 146 |         if isinstance(files, str ): files = [ files ]
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| 147 |         for file in files:
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| 148 |                 p = os.path.normpath( file )
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| 149 |                 d = os.path.dirname ( p )
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| 150 |                 sh( 'mkdir', '-p', d, output_file=subprocess.DEVNULL, error=subprocess.DEVNULL )
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| 151 | 
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| 152 | 
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| 153 | def chdir( dest = __main__.__file__ ):
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| 154 |         abspath = os.path.abspath(dest)
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| 155 |         dname = os.path.dirname(abspath)
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| 156 |         os.chdir(dname)
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| 157 | 
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| 158 | # diff two files
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| 159 | def diff( lhs, rhs ):
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| 160 |         # fetch return code and error from the diff command
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| 161 |         return sh(
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| 162 |                 '''diff''',
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| 163 |                 '''--text''',
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| 164 |                 '''--old-group-format=\t\tmissing lines :\n%<''',
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| 165 |                 '''--new-line-format=\t\t%dn\t%L''',
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| 166 |                 '''--new-group-format=\t\tnew lines : \n%>''',
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| 167 |                 '''--old-line-format=\t\t%dn\t%L''',
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| 168 |                 '''--unchanged-group-format=%=''',
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| 169 |                 '''--changed-group-format=\t\texpected :\n%<\t\tgot :\n%>''',
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| 170 |                 '''--unchanged-line-format=''',
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| 171 |                 lhs,
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| 172 |                 rhs,
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| 173 |                 output_file=subprocess.PIPE
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| 174 |         )
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| 175 | 
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| 176 | # call make
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| 177 | def make(target, *, flags = '', output_file = None, error = None, error_file = None, silent = False):
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| 178 |         test_param = """test="%s" """ % (error_file) if error_file else None
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| 179 |         cmd = [
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| 180 |                 *settings.make,
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| 181 |                 '-s' if silent else None,
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| 182 |                 test_param,
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| 183 |                 settings.ast.flags,
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| 184 |                 settings.arch.flags,
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| 185 |                 settings.debug.flags,
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| 186 |                 settings.install.flags,
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| 187 |                 settings.distcc if settings.distribute else None,
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| 188 |                 flags,
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| 189 |                 target
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| 190 |         ]
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| 191 |         cmd = [s for s in cmd if s]
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| 192 |         return sh(*cmd, output_file=output_file, error=error)
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| 193 | 
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| 194 | def which(program):
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| 195 |         fpath, fname = os.path.split(program)
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| 196 |         if fpath:
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| 197 |                 if is_exe(program):
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| 198 |                         return program
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| 199 |         else:
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| 200 |                 for path in os.environ["PATH"].split(os.pathsep):
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| 201 |                         exe_file = os.path.join(path, program)
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| 202 |                         if is_exe(exe_file):
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| 203 |                                 return exe_file
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| 204 |         return None
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| 205 | 
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| 206 | @contextlib.contextmanager
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| 207 | def tempdir():
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| 208 |         cwd = os.getcwd()
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| 209 |         with tempfile.TemporaryDirectory() as temp:
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| 210 |                 os.chdir(temp)
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| 211 |                 try:
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| 212 |                         yield temp
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| 213 |                 finally:
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| 214 |                         os.chdir(cwd)
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| 215 | 
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| 216 | def killgroup():
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| 217 |         try:
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| 218 |                 os.killpg(os.getpgrp(), signal.SIGINT)
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| 219 |         except KeyboardInterrupt:
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| 220 |                 pass # expected
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| 221 |         except Exception as exc:
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| 222 |                 print("Unexpected exception", file=sys.stderr)
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| 223 |                 print(exc, file=sys.stderr)
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| 224 |                 sys.stderr.flush()
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| 225 |                 sys.exit(2)
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| 226 | 
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| 227 | ################################################################################
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| 228 | #               file handling
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| 229 | ################################################################################
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| 230 | # move a file
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| 231 | def mv(source, dest):
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| 232 |         ret, _ = sh("mv", source, dest)
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| 233 |         return ret
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| 234 | 
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| 235 | # cat one file into the other
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| 236 | def cat(source, dest):
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| 237 |         ret, _ = sh("cat", source, output_file=dest)
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| 238 |         return ret
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| 239 | 
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| 240 | # helper function to replace patterns in a file
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| 241 | def file_replace(fname, pat, s_after):
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| 242 |         if settings.dry_run:
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| 243 |                 print("replacing '%s' with '%s' in %s" % (pat, s_after, fname))
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| 244 |                 return
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| 245 | 
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| 246 |         file = fileinput.FileInput(fname, inplace=True, backup='.bak')
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| 247 |         for line in file:
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| 248 |                 print(line.replace(pat, s_after), end='')
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| 249 |         file.close()
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| 250 | 
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| 251 | # helper function to check if a files contains only a specific string
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| 252 | def file_contains_only(file, text) :
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| 253 |         with open(file, encoding="latin-1") as f: # use latin-1 so all chars mean something.
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| 254 |                 ff = f.read().strip()
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| 255 |                 result = ff == text.strip()
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| 256 | 
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| 257 |                 return result
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| 258 | 
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| 259 | # transform path to canonical form
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| 260 | def canonical_path(path):
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| 261 |         abspath = os.path.abspath(os.path.realpath(__main__.__file__))
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| 262 |         dname = os.path.dirname(abspath)
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| 263 |         return os.path.join(dname, os.path.normpath(path) )
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| 264 | 
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| 265 | # compare path even if form is different
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| 266 | def path_cmp(lhs, rhs):
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| 267 |         return canonical_path( lhs ) == canonical_path( rhs )
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| 268 | 
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| 269 | # walk all files in a path
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| 270 | def path_walk( op ):
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| 271 |         dname = settings.SRCDIR
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| 272 |         for dirname, _, names in os.walk(dname):
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| 273 |                 for name in names:
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| 274 |                         path = os.path.join(dirname, name)
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| 275 |                         op( path )
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| 276 | 
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| 277 | ################################################################################
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| 278 | #               system
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| 279 | ################################################################################
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| 280 | # count number of jobs to create
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| 281 | def job_count( options, tests ):
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| 282 |         # check if the user already passed in a number of jobs for multi-threading
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| 283 |         if not options.jobs:
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| 284 |                 make_flags = os.environ.get('MAKEFLAGS')
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| 285 |                 force = bool(make_flags)
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| 286 |                 make_jobs_fds = re.search("--jobserver-(auth|fds)=\s*([0-9]+),([0-9]+)", make_flags) if make_flags else None
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| 287 |                 if make_jobs_fds :
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| 288 |                         tokens = os.read(int(make_jobs_fds.group(2)), 1024)
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| 289 |                         options.jobs = len(tokens)
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| 290 |                         os.write(int(make_jobs_fds.group(3)), tokens)
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| 291 |                 else :
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| 292 |                         if settings.distribute:
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| 293 |                                 ret, jstr = sh("distcc", "-j", output_file=subprocess.PIPE, ignore_dry_run=True)
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| 294 |                                 if ret == 0:
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| 295 |                                         options.jobs = int(jstr.strip())
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| 296 |                                 else :
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| 297 |                                         options.jobs = multiprocessing.cpu_count()
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| 298 |                         else:
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| 299 |                                 options.jobs = multiprocessing.cpu_count()
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| 300 |         else :
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| 301 |                 force = True
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| 302 | 
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| 303 |         # make sure we have a valid number of jobs that corresponds to user input
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| 304 |         if options.jobs <= 0 :
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| 305 |                 print('ERROR: Invalid number of jobs', file=sys.stderr)
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| 306 |                 sys.exit(1)
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| 307 | 
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| 308 |         return min( options.jobs, len(tests) ), force
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| 309 | 
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| 310 | # enable core dumps for all the test children
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| 311 | resource.setrlimit(resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY))
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| 312 | 
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| 313 | ################################################################################
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| 314 | #               misc
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| 315 | ################################################################################
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| 316 | 
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| 317 | # get hash for given configuration
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| 318 | def config_hash():
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| 319 |         path = os.path.normpath(os.path.join(
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| 320 |                 settings.SRCDIR,
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| 321 |         ))
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| 322 | 
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| 323 |         distcc_hash = os.path.join(settings.SRCDIR, '../tools/build/distcc_hash')
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| 324 |         config = "%s-%s" % (settings.arch.target, settings.debug.path)
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| 325 |         _, out = sh(distcc_hash, config, output_file=subprocess.PIPE, ignore_dry_run=True)
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| 326 |         return out.strip()
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| 327 | 
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| 328 | # get pretty string for time of day
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| 329 | def pretty_now():
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| 330 |         ts = time.time()
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| 331 |         print(ts, file=sys.stderr)
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| 332 |         return datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d_%H:%M:%S')
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| 333 | 
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| 334 | # check if arguments is yes or no
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| 335 | def yes_no(string):
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| 336 |         if string == "yes" :
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| 337 |                 return True
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| 338 |         if string == "no" :
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| 339 |                 return False
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| 340 |         raise argparse.ArgumentTypeError(msg)
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| 341 | 
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| 342 | # Convert a function that converts a string to one that converts comma separated string.
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| 343 | def comma_separated(elements):
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| 344 |     return lambda string: [elements(part) for part in string.split(',')]
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| 345 | 
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| 346 | def fancy_print(text):
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| 347 |         column = which('column')
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| 348 |         if column:
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| 349 |                 subprocess.run(column, input=bytes(text + "\n", "UTF-8"))
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| 350 |         else:
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| 351 |                 print(text)
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| 352 | 
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| 353 | 
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| 354 | def core_info(path):
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| 355 |         if not os.path.isfile(path):
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| 356 |                 return 1, "ERR Executable path is wrong"
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| 357 | 
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| 358 |         cmd   = os.path.join(settings.SRCDIR, "pybin/print-core.gdb")
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| 359 |         if not os.path.isfile(cmd):
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| 360 |                 return 1, "ERR Printing format for core dumps not found"
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| 361 | 
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| 362 |         core  = os.path.join(os.getcwd(), "core" )
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| 363 | 
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| 364 |         if not os.path.isfile(core):
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| 365 |                 return 1, "ERR No core dump"
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| 366 | 
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| 367 |         return sh('gdb', '-n', path, core, '-batch', '-x', cmd, output_file=subprocess.PIPE)
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| 368 | 
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| 369 | def core_archive(dst, name, exe):
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| 370 |         # Get the core dump
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| 371 |         core = os.path.join(os.getcwd(), "core" )
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| 372 | 
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| 373 |         # update the path for this test
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| 374 |         dst  = os.path.join(dst, name)
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| 375 | 
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| 376 |         # make a directory for this test
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| 377 |         # mkdir makes the parent directory only so add a dummy
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| 378 |         mkdir(os.path.join(dst, name ))
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| 379 | 
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| 380 |         # moves the files
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| 381 |         mv( core, os.path.join(dst, "core" ) )
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| 382 |         mv( exe , os.path.join(dst, name   ) )
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| 383 | 
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| 384 |         # return explanatory test
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| 385 |         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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| 386 | 
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| 387 | class Timed:
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| 388 |         def __enter__(self):
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| 389 |                 self.start = time.time()
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| 390 |                 return self
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| 391 | 
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| 392 |         def __exit__(self, *args):
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| 393 |                 self.end = time.time()
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| 394 |                 self.duration = self.end - self.start
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| 395 | 
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| 396 | def timed(src, timeout):
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| 397 |         expire = time.time() + timeout
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| 398 |         i = iter(src)
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| 399 |         with contextlib.suppress(StopIteration):
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| 400 |                 while True:
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| 401 |                         yield i.next(max(expire - time.time(), 0))
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| 402 | 
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| 403 | def fmtDur( duration ):
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| 404 |         if duration :
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| 405 |                 hours, rem = divmod(duration, 3600)
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| 406 |                 minutes, rem = divmod(rem, 60)
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| 407 |                 seconds, millis = divmod(rem, 1)
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| 408 |                 return "%2d:%02d.%03d" % (minutes, seconds, millis * 1000)
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| 409 |         return " n/a"
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