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 make_recon(target): |
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195 | cmd = [ |
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196 | *settings.make, |
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197 | '-W', |
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198 | os.path.abspath(os.path.join(settings.BUILDDIR, '../driver/cfa')), |
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199 | '--recon', |
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200 | target |
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201 | ] |
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202 | cmd = [s for s in cmd if s] |
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203 | return sh(*cmd, output_file=subprocess.PIPE) |
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204 | |
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205 | def which(program): |
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206 | fpath, fname = os.path.split(program) |
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207 | if fpath: |
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208 | if is_exe(program): |
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209 | return program |
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210 | else: |
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211 | for path in os.environ["PATH"].split(os.pathsep): |
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212 | exe_file = os.path.join(path, program) |
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213 | if is_exe(exe_file): |
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214 | return exe_file |
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215 | return None |
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216 | |
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217 | @contextlib.contextmanager |
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218 | def tempdir(): |
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219 | cwd = os.getcwd() |
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220 | with tempfile.TemporaryDirectory() as temp: |
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221 | os.chdir(temp) |
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222 | try: |
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223 | yield temp |
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224 | finally: |
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225 | os.chdir(cwd) |
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226 | |
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227 | def killgroup(): |
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228 | try: |
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229 | os.killpg(os.getpgrp(), signal.SIGINT) |
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230 | except KeyboardInterrupt: |
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231 | pass # expected |
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232 | except Exception as exc: |
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233 | print("Unexpected exception", file=sys.stderr) |
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234 | print(exc, file=sys.stderr) |
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235 | sys.stderr.flush() |
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236 | sys.exit(2) |
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237 | |
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238 | ################################################################################ |
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239 | # file handling |
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240 | ################################################################################ |
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241 | # move a file |
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242 | def mv(source, dest): |
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243 | ret, _ = sh("mv", source, dest) |
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244 | return ret |
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245 | |
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246 | # cat one file into the other |
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247 | def cat(source, dest): |
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248 | ret, _ = sh("cat", source, output_file=dest) |
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249 | return ret |
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250 | |
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251 | # helper function to replace patterns in a file |
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252 | def file_replace(fname, pat, s_after): |
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253 | if settings.dry_run: |
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254 | print("replacing '%s' with '%s' in %s" % (pat, s_after, fname)) |
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255 | return |
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256 | |
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257 | file = fileinput.FileInput(fname, inplace=True, backup='.bak') |
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258 | for line in file: |
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259 | print(line.replace(pat, s_after), end='') |
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260 | file.close() |
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261 | |
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262 | # helper function to check if a files contains only a specific string |
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263 | def file_contains_only(file, text) : |
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264 | with open(file, encoding="latin-1") as f: # use latin-1 so all chars mean something. |
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265 | ff = f.read().strip() |
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266 | result = ff == text.strip() |
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267 | |
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268 | return result |
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269 | |
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270 | # transform path to canonical form |
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271 | def canonical_path(path): |
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272 | abspath = os.path.abspath(os.path.realpath(__main__.__file__)) |
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273 | dname = os.path.dirname(abspath) |
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274 | return os.path.join(dname, os.path.normpath(path) ) |
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275 | |
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276 | # compare path even if form is different |
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277 | def path_cmp(lhs, rhs): |
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278 | return canonical_path( lhs ) == canonical_path( rhs ) |
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279 | |
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280 | # walk all files in a path |
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281 | def path_walk( op ): |
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282 | dname = settings.SRCDIR |
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283 | for dirname, _, names in os.walk(dname): |
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284 | for name in names: |
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285 | path = os.path.join(dirname, name) |
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286 | op( path ) |
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287 | |
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288 | ################################################################################ |
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289 | # system |
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290 | ################################################################################ |
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291 | # count number of jobs to create |
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292 | def job_count( options, tests ): |
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293 | # check if the user already passed in a number of jobs for multi-threading |
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294 | if not options.jobs: |
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295 | make_flags = os.environ.get('MAKEFLAGS') |
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296 | force = bool(make_flags) |
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297 | make_jobs_fds = re.search("--jobserver-(auth|fds)=\s*([0-9]+),([0-9]+)", make_flags) if make_flags else None |
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298 | if make_jobs_fds : |
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299 | tokens = os.read(int(make_jobs_fds.group(2)), 1024) |
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300 | options.jobs = len(tokens) |
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301 | os.write(int(make_jobs_fds.group(3)), tokens) |
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302 | else : |
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303 | if settings.distribute: |
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304 | ret, jstr = sh("distcc", "-j", output_file=subprocess.PIPE, ignore_dry_run=True) |
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305 | if ret == 0: |
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306 | options.jobs = int(jstr.strip()) |
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307 | else : |
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308 | options.jobs = multiprocessing.cpu_count() |
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309 | else: |
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310 | options.jobs = multiprocessing.cpu_count() |
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311 | else : |
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312 | force = True |
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313 | |
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314 | # make sure we have a valid number of jobs that corresponds to user input |
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315 | if options.jobs <= 0 : |
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316 | print('ERROR: Invalid number of jobs', file=sys.stderr) |
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317 | sys.exit(1) |
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318 | |
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319 | return min( options.jobs, len(tests) ), force |
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320 | |
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321 | # enable core dumps for all the test children |
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322 | resource.setrlimit(resource.RLIMIT_CORE, (resource.RLIM_INFINITY, resource.RLIM_INFINITY)) |
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323 | |
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324 | ################################################################################ |
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325 | # misc |
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326 | ################################################################################ |
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327 | |
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328 | # get hash for given configuration |
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329 | def config_hash(): |
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330 | path = os.path.normpath(os.path.join( |
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331 | settings.SRCDIR, |
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332 | )) |
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333 | |
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334 | distcc_hash = os.path.join(settings.SRCDIR, '../tools/build/distcc_hash') |
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335 | config = "%s-%s" % (settings.arch.target, settings.debug.path) |
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336 | _, out = sh(distcc_hash, config, output_file=subprocess.PIPE, ignore_dry_run=True) |
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337 | return out.strip() |
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338 | |
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339 | # get pretty string for time of day |
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340 | def pretty_now(): |
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341 | ts = time.time() |
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342 | print(ts, file=sys.stderr) |
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343 | return datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d_%H:%M:%S') |
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344 | |
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345 | # check if arguments is yes or no |
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346 | def yes_no(string): |
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347 | if string == "yes" : |
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348 | return True |
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349 | if string == "no" : |
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350 | return False |
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351 | raise argparse.ArgumentTypeError(msg) |
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352 | |
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353 | # Convert a function that converts a string to one that converts comma separated string. |
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354 | def comma_separated(elements): |
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355 | return lambda string: [elements(part) for part in string.split(',')] |
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356 | |
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357 | def fancy_print(text): |
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358 | column = which('column') |
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359 | if column: |
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360 | subprocess.run(column, input=bytes(text + "\n", "UTF-8")) |
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361 | else: |
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362 | print(text) |
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363 | |
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364 | |
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365 | def core_info(path): |
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366 | if not os.path.isfile(path): |
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367 | return 1, "ERR Executable path is wrong" |
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368 | |
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369 | cmd = os.path.join(settings.SRCDIR, "pybin/print-core.gdb") |
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370 | if not os.path.isfile(cmd): |
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371 | return 1, "ERR Printing format for core dumps not found" |
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372 | |
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373 | core = os.path.join(os.getcwd(), "core" ) |
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374 | |
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375 | if not os.path.isfile(core): |
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376 | return 1, "ERR No core dump (limit soft: {} hard: {})".format(resource.getrlimit(resource.RLIMIT_CORE)) |
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377 | |
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378 | try: |
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379 | return sh('gdb', '-n', path, core, '-batch', '-x', cmd, output_file=subprocess.PIPE) |
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380 | except: |
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381 | return 1, "ERR Could not read core with gdb" |
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382 | |
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383 | def core_archive(dst, name, exe): |
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384 | # Get the core dump |
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385 | core = os.path.join(os.getcwd(), "core" ) |
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386 | |
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387 | # update the path for this test |
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388 | dst = os.path.join(dst, name) |
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389 | |
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390 | # make a directory for this test |
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391 | # mkdir makes the parent directory only so add a dummy |
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392 | mkdir( os.path.join(dst, "core") ) |
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393 | |
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394 | # moves the files |
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395 | mv( core, os.path.join(dst, "core" ) ) |
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396 | mv( exe , os.path.join(dst, "exe" ) ) |
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397 | |
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398 | # return explanatory test |
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399 | 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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400 | |
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401 | class Timed: |
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402 | def __enter__(self): |
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403 | self.start = time.time() |
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404 | return self |
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405 | |
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406 | def __exit__(self, *args): |
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407 | self.end = time.time() |
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408 | self.duration = self.end - self.start |
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409 | |
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410 | def timed(src, timeout): |
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411 | expire = time.time() + timeout |
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412 | i = iter(src) |
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413 | with contextlib.suppress(StopIteration): |
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414 | while True: |
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415 | yield i.next(max(expire - time.time(), 0)) |
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416 | |
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417 | def fmtDur( duration ): |
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418 | if duration : |
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419 | hours, rem = divmod(duration, 3600) |
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420 | minutes, rem = divmod(rem, 60) |
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421 | seconds, millis = divmod(rem, 1) |
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422 | return "%2d:%02d.%03d" % (minutes, seconds, millis * 1000) |
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423 | return " n/a" |
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