1 | # -*- coding: utf-8 -*-
|
---|
2 | # $Id: utils.py 53284 2014-11-10 12:03:49Z vboxsync $
|
---|
3 | # pylint: disable=C0302
|
---|
4 |
|
---|
5 | """
|
---|
6 | Common Utility Functions.
|
---|
7 | """
|
---|
8 |
|
---|
9 | __copyright__ = \
|
---|
10 | """
|
---|
11 | Copyright (C) 2012-2014 Oracle Corporation
|
---|
12 |
|
---|
13 | This file is part of VirtualBox Open Source Edition (OSE), as
|
---|
14 | available from http://www.virtualbox.org. This file is free software;
|
---|
15 | you can redistribute it and/or modify it under the terms of the GNU
|
---|
16 | General Public License (GPL) as published by the Free Software
|
---|
17 | Foundation, in version 2 as it comes in the "COPYING" file of the
|
---|
18 | VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
---|
19 | hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
---|
20 |
|
---|
21 | The contents of this file may alternatively be used under the terms
|
---|
22 | of the Common Development and Distribution License Version 1.0
|
---|
23 | (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
---|
24 | VirtualBox OSE distribution, in which case the provisions of the
|
---|
25 | CDDL are applicable instead of those of the GPL.
|
---|
26 |
|
---|
27 | You may elect to license modified versions of this file under the
|
---|
28 | terms and conditions of either the GPL or the CDDL or both.
|
---|
29 | """
|
---|
30 | __version__ = "$Revision: 53284 $"
|
---|
31 |
|
---|
32 |
|
---|
33 | # Standard Python imports.
|
---|
34 | import datetime;
|
---|
35 | import os;
|
---|
36 | import platform;
|
---|
37 | import re;
|
---|
38 | import stat;
|
---|
39 | import subprocess;
|
---|
40 | import sys;
|
---|
41 | import tarfile;
|
---|
42 | import time;
|
---|
43 | import traceback;
|
---|
44 | import unittest;
|
---|
45 | import zipfile
|
---|
46 |
|
---|
47 | if sys.platform == 'win32':
|
---|
48 | import win32api; # pylint: disable=F0401
|
---|
49 | import win32con; # pylint: disable=F0401
|
---|
50 | import win32console; # pylint: disable=F0401
|
---|
51 | import win32process; # pylint: disable=F0401
|
---|
52 | else:
|
---|
53 | import signal;
|
---|
54 |
|
---|
55 | # Python 3 hacks:
|
---|
56 | if sys.version_info[0] >= 3:
|
---|
57 | long = int; # pylint: disable=W0622,C0103
|
---|
58 |
|
---|
59 |
|
---|
60 | #
|
---|
61 | # Host OS and CPU.
|
---|
62 | #
|
---|
63 |
|
---|
64 | def getHostOs():
|
---|
65 | """
|
---|
66 | Gets the host OS name (short).
|
---|
67 |
|
---|
68 | See the KBUILD_OSES variable in kBuild/header.kmk for possible return values.
|
---|
69 | """
|
---|
70 | sPlatform = platform.system();
|
---|
71 | if sPlatform in ('Linux', 'Darwin', 'Solaris', 'FreeBSD', 'NetBSD', 'OpenBSD'):
|
---|
72 | sPlatform = sPlatform.lower();
|
---|
73 | elif sPlatform == 'Windows':
|
---|
74 | sPlatform = 'win';
|
---|
75 | elif sPlatform == 'SunOS':
|
---|
76 | sPlatform = 'solaris';
|
---|
77 | else:
|
---|
78 | raise Exception('Unsupported platform "%s"' % (sPlatform,));
|
---|
79 | return sPlatform;
|
---|
80 |
|
---|
81 | g_sHostArch = None;
|
---|
82 |
|
---|
83 | def getHostArch():
|
---|
84 | """
|
---|
85 | Gets the host CPU architecture.
|
---|
86 |
|
---|
87 | See the KBUILD_ARCHES variable in kBuild/header.kmk for possible return values.
|
---|
88 | """
|
---|
89 | global g_sHostArch;
|
---|
90 | if g_sHostArch is None:
|
---|
91 | sArch = platform.machine();
|
---|
92 | if sArch in ('i386', 'i486', 'i586', 'i686', 'i786', 'i886', 'x86'):
|
---|
93 | sArch = 'x86';
|
---|
94 | elif sArch in ('AMD64', 'amd64', 'x86_64'):
|
---|
95 | sArch = 'amd64';
|
---|
96 | elif sArch == 'i86pc': # SunOS
|
---|
97 | if platform.architecture()[0] == '64bit':
|
---|
98 | sArch = 'amd64';
|
---|
99 | else:
|
---|
100 | try:
|
---|
101 | sArch = processOutputChecked(['/usr/bin/isainfo', '-n',]);
|
---|
102 | except:
|
---|
103 | pass;
|
---|
104 | sArch = sArch.strip();
|
---|
105 | if sArch != 'amd64':
|
---|
106 | sArch = 'x86';
|
---|
107 | else:
|
---|
108 | raise Exception('Unsupported architecture/machine "%s"' % (sArch,));
|
---|
109 | g_sHostArch = sArch;
|
---|
110 | return g_sHostArch;
|
---|
111 |
|
---|
112 |
|
---|
113 | def getHostOsDotArch():
|
---|
114 | """
|
---|
115 | Gets the 'os.arch' for the host.
|
---|
116 | """
|
---|
117 | return '%s.%s' % (getHostOs(), getHostArch());
|
---|
118 |
|
---|
119 |
|
---|
120 | def isValidOs(sOs):
|
---|
121 | """
|
---|
122 | Validates the OS name.
|
---|
123 | """
|
---|
124 | if sOs in ('darwin', 'dos', 'dragonfly', 'freebsd', 'haiku', 'l4', 'linux', 'netbsd', 'nt', 'openbsd', \
|
---|
125 | 'os2', 'solaris', 'win', 'os-agnostic'):
|
---|
126 | return True;
|
---|
127 | return False;
|
---|
128 |
|
---|
129 |
|
---|
130 | def isValidArch(sArch):
|
---|
131 | """
|
---|
132 | Validates the CPU architecture name.
|
---|
133 | """
|
---|
134 | if sArch in ('x86', 'amd64', 'sparc32', 'sparc64', 's390', 's390x', 'ppc32', 'ppc64', \
|
---|
135 | 'mips32', 'mips64', 'ia64', 'hppa32', 'hppa64', 'arm', 'alpha'):
|
---|
136 | return True;
|
---|
137 | return False;
|
---|
138 |
|
---|
139 | def isValidOsDotArch(sOsDotArch):
|
---|
140 | """
|
---|
141 | Validates the 'os.arch' string.
|
---|
142 | """
|
---|
143 |
|
---|
144 | asParts = sOsDotArch.split('.');
|
---|
145 | if asParts.length() != 2:
|
---|
146 | return False;
|
---|
147 | return isValidOs(asParts[0]) \
|
---|
148 | and isValidArch(asParts[1]);
|
---|
149 |
|
---|
150 | def getHostOsVersion():
|
---|
151 | """
|
---|
152 | Returns the host OS version. This is platform.release with additional
|
---|
153 | distro indicator on linux.
|
---|
154 | """
|
---|
155 | sVersion = platform.release();
|
---|
156 | sOs = getHostOs();
|
---|
157 | if sOs == 'linux':
|
---|
158 | sDist = '';
|
---|
159 | try:
|
---|
160 | # try /etc/lsb-release first to distinguish between Debian and Ubuntu
|
---|
161 | oFile = open('/etc/lsb-release');
|
---|
162 | for sLine in oFile:
|
---|
163 | oMatch = re.search(r'(?:DISTRIB_DESCRIPTION\s*=)\s*"*(.*)"', sLine);
|
---|
164 | if oMatch is not None:
|
---|
165 | sDist = oMatch.group(1).strip();
|
---|
166 | except:
|
---|
167 | pass;
|
---|
168 | if sDist:
|
---|
169 | sVersion += ' / ' + sDist;
|
---|
170 | else:
|
---|
171 | asFiles = \
|
---|
172 | [
|
---|
173 | [ '/etc/debian_version', 'Debian v'],
|
---|
174 | [ '/etc/gentoo-release', '' ],
|
---|
175 | [ '/etc/oracle-release', '' ],
|
---|
176 | [ '/etc/redhat-release', '' ],
|
---|
177 | [ '/etc/SuSE-release', '' ],
|
---|
178 | ];
|
---|
179 | for sFile, sPrefix in asFiles:
|
---|
180 | if os.path.isfile(sFile):
|
---|
181 | try:
|
---|
182 | oFile = open(sFile);
|
---|
183 | sLine = oFile.readline();
|
---|
184 | oFile.close();
|
---|
185 | except:
|
---|
186 | continue;
|
---|
187 | sLine = sLine.strip()
|
---|
188 | if len(sLine) > 0:
|
---|
189 | sVersion += ' / ' + sPrefix + sLine;
|
---|
190 | break;
|
---|
191 |
|
---|
192 | elif sOs == 'solaris':
|
---|
193 | sVersion = platform.version();
|
---|
194 | if os.path.isfile('/etc/release'):
|
---|
195 | try:
|
---|
196 | oFile = open('/etc/release');
|
---|
197 | sLast = oFile.readlines()[-1];
|
---|
198 | oFile.close();
|
---|
199 | sLast = sLast.strip();
|
---|
200 | if len(sLast) > 0:
|
---|
201 | sVersion += ' (' + sLast + ')';
|
---|
202 | except:
|
---|
203 | pass;
|
---|
204 |
|
---|
205 | elif sOs == 'darwin':
|
---|
206 | sOsxVersion = platform.mac_ver()[0];
|
---|
207 | codenames = {"4": "Tiger",
|
---|
208 | "5": "Leopard",
|
---|
209 | "6": "Snow Leopard",
|
---|
210 | "7": "Lion",
|
---|
211 | "8": "Mountain Lion",
|
---|
212 | "9": "Mavericks",
|
---|
213 | "10": "Yosemite"}
|
---|
214 | sVersion += ' / OS X ' + sOsxVersion + ' (' + codenames[sOsxVersion.split('.')[1]] + ')'
|
---|
215 |
|
---|
216 | return sVersion;
|
---|
217 |
|
---|
218 | #
|
---|
219 | # File system.
|
---|
220 | #
|
---|
221 |
|
---|
222 | def openNoInherit(sFile, sMode = 'r'):
|
---|
223 | """
|
---|
224 | Wrapper around open() that tries it's best to make sure the file isn't
|
---|
225 | inherited by child processes.
|
---|
226 |
|
---|
227 | This is a best effort thing at the moment as it doesn't synchronizes with
|
---|
228 | child process spawning in any way. Thus it can be subject to races in
|
---|
229 | multithreaded programs.
|
---|
230 | """
|
---|
231 |
|
---|
232 | try:
|
---|
233 | from fcntl import FD_CLOEXEC, F_GETFD, F_SETFD, fcntl; # pylint: disable=F0401
|
---|
234 | except:
|
---|
235 | return open(sFile, sMode);
|
---|
236 |
|
---|
237 | oFile = open(sFile, sMode)
|
---|
238 | #try:
|
---|
239 | fcntl(oFile, F_SETFD, fcntl(oFile, F_GETFD) | FD_CLOEXEC);
|
---|
240 | #except:
|
---|
241 | # pass;
|
---|
242 | return oFile;
|
---|
243 |
|
---|
244 | def noxcptReadLink(sPath, sXcptRet):
|
---|
245 | """
|
---|
246 | No exceptions os.readlink wrapper.
|
---|
247 | """
|
---|
248 | try:
|
---|
249 | sRet = os.readlink(sPath); # pylint: disable=E1101
|
---|
250 | except:
|
---|
251 | sRet = sXcptRet;
|
---|
252 | return sRet;
|
---|
253 |
|
---|
254 | def readFile(sFile, sMode = 'rb'):
|
---|
255 | """
|
---|
256 | Reads the entire file.
|
---|
257 | """
|
---|
258 | oFile = open(sFile, sMode);
|
---|
259 | sRet = oFile.read();
|
---|
260 | oFile.close();
|
---|
261 | return sRet;
|
---|
262 |
|
---|
263 | def noxcptReadFile(sFile, sXcptRet, sMode = 'rb'):
|
---|
264 | """
|
---|
265 | No exceptions common.readFile wrapper.
|
---|
266 | """
|
---|
267 | try:
|
---|
268 | sRet = readFile(sFile, sMode);
|
---|
269 | except:
|
---|
270 | sRet = sXcptRet;
|
---|
271 | return sRet;
|
---|
272 |
|
---|
273 | def noxcptRmDir(sDir, oXcptRet = False):
|
---|
274 | """
|
---|
275 | No exceptions os.rmdir wrapper.
|
---|
276 | """
|
---|
277 | oRet = True;
|
---|
278 | try:
|
---|
279 | os.rmdir(sDir);
|
---|
280 | except:
|
---|
281 | oRet = oXcptRet;
|
---|
282 | return oRet;
|
---|
283 |
|
---|
284 | def noxcptDeleteFile(sFile, oXcptRet = False):
|
---|
285 | """
|
---|
286 | No exceptions os.remove wrapper.
|
---|
287 | """
|
---|
288 | oRet = True;
|
---|
289 | try:
|
---|
290 | os.remove(sFile);
|
---|
291 | except:
|
---|
292 | oRet = oXcptRet;
|
---|
293 | return oRet;
|
---|
294 |
|
---|
295 |
|
---|
296 | #
|
---|
297 | # SubProcess.
|
---|
298 | #
|
---|
299 |
|
---|
300 | def _processFixPythonInterpreter(aPositionalArgs, dKeywordArgs):
|
---|
301 | """
|
---|
302 | If the "executable" is a python script, insert the python interpreter at
|
---|
303 | the head of the argument list so that it will work on systems which doesn't
|
---|
304 | support hash-bang scripts.
|
---|
305 | """
|
---|
306 |
|
---|
307 | asArgs = dKeywordArgs.get('args');
|
---|
308 | if asArgs is None:
|
---|
309 | asArgs = aPositionalArgs[0];
|
---|
310 |
|
---|
311 | if asArgs[0].endswith('.py'):
|
---|
312 | if sys.executable is not None and len(sys.executable) > 0:
|
---|
313 | asArgs.insert(0, sys.executable);
|
---|
314 | else:
|
---|
315 | asArgs.insert(0, 'python');
|
---|
316 |
|
---|
317 | # paranoia...
|
---|
318 | if dKeywordArgs.get('args') is not None:
|
---|
319 | dKeywordArgs['args'] = asArgs;
|
---|
320 | else:
|
---|
321 | aPositionalArgs = (asArgs,) + aPositionalArgs[1:];
|
---|
322 | return None;
|
---|
323 |
|
---|
324 | def processCall(*aPositionalArgs, **dKeywordArgs):
|
---|
325 | """
|
---|
326 | Wrapper around subprocess.call to deal with its absense in older
|
---|
327 | python versions.
|
---|
328 | Returns process exit code (see subprocess.poll).
|
---|
329 | """
|
---|
330 | assert dKeywordArgs.get('stdout') == None;
|
---|
331 | assert dKeywordArgs.get('stderr') == None;
|
---|
332 | _processFixPythonInterpreter(aPositionalArgs, dKeywordArgs);
|
---|
333 | oProcess = subprocess.Popen(*aPositionalArgs, **dKeywordArgs);
|
---|
334 | return oProcess.wait();
|
---|
335 |
|
---|
336 | def processOutputChecked(*aPositionalArgs, **dKeywordArgs):
|
---|
337 | """
|
---|
338 | Wrapper around subprocess.check_output to deal with its absense in older
|
---|
339 | python versions.
|
---|
340 | """
|
---|
341 | _processFixPythonInterpreter(aPositionalArgs, dKeywordArgs);
|
---|
342 | oProcess = subprocess.Popen(stdout=subprocess.PIPE, *aPositionalArgs, **dKeywordArgs);
|
---|
343 |
|
---|
344 | sOutput, _ = oProcess.communicate();
|
---|
345 | iExitCode = oProcess.poll();
|
---|
346 |
|
---|
347 | if iExitCode is not 0:
|
---|
348 | asArgs = dKeywordArgs.get('args');
|
---|
349 | if asArgs is None:
|
---|
350 | asArgs = aPositionalArgs[0];
|
---|
351 | print(sOutput);
|
---|
352 | raise subprocess.CalledProcessError(iExitCode, asArgs);
|
---|
353 |
|
---|
354 | return str(sOutput); # str() make pylint happy.
|
---|
355 |
|
---|
356 | g_fOldSudo = None;
|
---|
357 | def _sudoFixArguments(aPositionalArgs, dKeywordArgs, fInitialEnv = True):
|
---|
358 | """
|
---|
359 | Adds 'sudo' (or similar) to the args parameter, whereever it is.
|
---|
360 | """
|
---|
361 |
|
---|
362 | # Are we root?
|
---|
363 | fIsRoot = True;
|
---|
364 | try:
|
---|
365 | fIsRoot = os.getuid() == 0; # pylint: disable=E1101
|
---|
366 | except:
|
---|
367 | pass;
|
---|
368 |
|
---|
369 | # If not, prepend sudo (non-interactive, simulate initial login).
|
---|
370 | if fIsRoot is not True:
|
---|
371 | asArgs = dKeywordArgs.get('args');
|
---|
372 | if asArgs is None:
|
---|
373 | asArgs = aPositionalArgs[0];
|
---|
374 |
|
---|
375 | # Detect old sudo.
|
---|
376 | global g_fOldSudo;
|
---|
377 | if g_fOldSudo is None:
|
---|
378 | try:
|
---|
379 | sVersion = processOutputChecked(['sudo', '-V']);
|
---|
380 | except:
|
---|
381 | sVersion = '1.7.0';
|
---|
382 | sVersion = sVersion.strip().split('\n')[0];
|
---|
383 | sVersion = sVersion.replace('Sudo version', '').strip();
|
---|
384 | g_fOldSudo = len(sVersion) >= 4 \
|
---|
385 | and sVersion[0] == '1' \
|
---|
386 | and sVersion[1] == '.' \
|
---|
387 | and sVersion[2] <= '6' \
|
---|
388 | and sVersion[3] == '.';
|
---|
389 |
|
---|
390 | asArgs.insert(0, 'sudo');
|
---|
391 | if not g_fOldSudo:
|
---|
392 | asArgs.insert(1, '-n');
|
---|
393 | if fInitialEnv and not g_fOldSudo:
|
---|
394 | asArgs.insert(1, '-i');
|
---|
395 |
|
---|
396 | # paranoia...
|
---|
397 | if dKeywordArgs.get('args') is not None:
|
---|
398 | dKeywordArgs['args'] = asArgs;
|
---|
399 | else:
|
---|
400 | aPositionalArgs = (asArgs,) + aPositionalArgs[1:];
|
---|
401 | return None;
|
---|
402 |
|
---|
403 |
|
---|
404 | def sudoProcessCall(*aPositionalArgs, **dKeywordArgs):
|
---|
405 | """
|
---|
406 | sudo (or similar) + subprocess.call
|
---|
407 | """
|
---|
408 | _processFixPythonInterpreter(aPositionalArgs, dKeywordArgs);
|
---|
409 | _sudoFixArguments(aPositionalArgs, dKeywordArgs);
|
---|
410 | return processCall(*aPositionalArgs, **dKeywordArgs);
|
---|
411 |
|
---|
412 | def sudoProcessOutputChecked(*aPositionalArgs, **dKeywordArgs):
|
---|
413 | """
|
---|
414 | sudo (or similar) + subprocess.check_output.
|
---|
415 | """
|
---|
416 | _processFixPythonInterpreter(aPositionalArgs, dKeywordArgs);
|
---|
417 | _sudoFixArguments(aPositionalArgs, dKeywordArgs);
|
---|
418 | return processOutputChecked(*aPositionalArgs, **dKeywordArgs);
|
---|
419 |
|
---|
420 | def sudoProcessOutputCheckedNoI(*aPositionalArgs, **dKeywordArgs):
|
---|
421 | """
|
---|
422 | sudo (or similar) + subprocess.check_output, except '-i' isn't used.
|
---|
423 | """
|
---|
424 | _processFixPythonInterpreter(aPositionalArgs, dKeywordArgs);
|
---|
425 | _sudoFixArguments(aPositionalArgs, dKeywordArgs, False);
|
---|
426 | return processOutputChecked(*aPositionalArgs, **dKeywordArgs);
|
---|
427 |
|
---|
428 | def sudoProcessPopen(*aPositionalArgs, **dKeywordArgs):
|
---|
429 | """
|
---|
430 | sudo (or similar) + subprocess.Popen.
|
---|
431 | """
|
---|
432 | _processFixPythonInterpreter(aPositionalArgs, dKeywordArgs);
|
---|
433 | _sudoFixArguments(aPositionalArgs, dKeywordArgs);
|
---|
434 | return subprocess.Popen(*aPositionalArgs, **dKeywordArgs);
|
---|
435 |
|
---|
436 |
|
---|
437 | #
|
---|
438 | # Generic process stuff.
|
---|
439 | #
|
---|
440 |
|
---|
441 | def processInterrupt(uPid):
|
---|
442 | """
|
---|
443 | Sends a SIGINT or equivalent to interrupt the specified process.
|
---|
444 | Returns True on success, False on failure.
|
---|
445 |
|
---|
446 | On Windows hosts this may not work unless the process happens to be a
|
---|
447 | process group leader.
|
---|
448 | """
|
---|
449 | if sys.platform == 'win32':
|
---|
450 | try:
|
---|
451 | win32console.GenerateConsoleCtrlEvent(win32con.CTRL_BREAK_EVENT, uPid); # pylint
|
---|
452 | fRc = True;
|
---|
453 | except:
|
---|
454 | fRc = False;
|
---|
455 | else:
|
---|
456 | try:
|
---|
457 | os.kill(uPid, signal.SIGINT);
|
---|
458 | fRc = True;
|
---|
459 | except:
|
---|
460 | fRc = False;
|
---|
461 | return fRc;
|
---|
462 |
|
---|
463 | def sendUserSignal1(uPid):
|
---|
464 | """
|
---|
465 | Sends a SIGUSR1 or equivalent to nudge the process into shutting down
|
---|
466 | (VBoxSVC) or something.
|
---|
467 | Returns True on success, False on failure or if not supported (win).
|
---|
468 |
|
---|
469 | On Windows hosts this may not work unless the process happens to be a
|
---|
470 | process group leader.
|
---|
471 | """
|
---|
472 | if sys.platform == 'win32':
|
---|
473 | fRc = False;
|
---|
474 | else:
|
---|
475 | try:
|
---|
476 | os.kill(uPid, signal.SIGUSR1); # pylint: disable=E1101
|
---|
477 | fRc = True;
|
---|
478 | except:
|
---|
479 | fRc = False;
|
---|
480 | return fRc;
|
---|
481 |
|
---|
482 | def processTerminate(uPid):
|
---|
483 | """
|
---|
484 | Terminates the process in a nice manner (SIGTERM or equivalent).
|
---|
485 | Returns True on success, False on failure.
|
---|
486 | """
|
---|
487 | fRc = False;
|
---|
488 | if sys.platform == 'win32':
|
---|
489 | try:
|
---|
490 | hProcess = win32api.OpenProcess(win32con.PROCESS_TERMINATE, False, uPid);
|
---|
491 | except:
|
---|
492 | pass;
|
---|
493 | else:
|
---|
494 | try:
|
---|
495 | win32process.TerminateProcess(hProcess, 0x40010004); # DBG_TERMINATE_PROCESS
|
---|
496 | fRc = True;
|
---|
497 | except:
|
---|
498 | pass;
|
---|
499 | win32api.CloseHandle(hProcess)
|
---|
500 | else:
|
---|
501 | try:
|
---|
502 | os.kill(uPid, signal.SIGTERM);
|
---|
503 | fRc = True;
|
---|
504 | except:
|
---|
505 | pass;
|
---|
506 | return fRc;
|
---|
507 |
|
---|
508 | def processKill(uPid):
|
---|
509 | """
|
---|
510 | Terminates the process with extreme prejudice (SIGKILL).
|
---|
511 | Returns True on success, False on failure.
|
---|
512 | """
|
---|
513 | if sys.platform == 'win32':
|
---|
514 | fRc = processTerminate(uPid);
|
---|
515 | else:
|
---|
516 | try:
|
---|
517 | os.kill(uPid, signal.SIGKILL); # pylint: disable=E1101
|
---|
518 | fRc = True;
|
---|
519 | except:
|
---|
520 | fRc = False;
|
---|
521 | return fRc;
|
---|
522 |
|
---|
523 | def processKillWithNameCheck(uPid, sName):
|
---|
524 | """
|
---|
525 | Like processKill(), but checks if the process name matches before killing
|
---|
526 | it. This is intended for killing using potentially stale pid values.
|
---|
527 |
|
---|
528 | Returns True on success, False on failure.
|
---|
529 | """
|
---|
530 |
|
---|
531 | if processCheckPidAndName(uPid, sName) is not True:
|
---|
532 | return False;
|
---|
533 | return processKill(uPid);
|
---|
534 |
|
---|
535 |
|
---|
536 | def processExists(uPid):
|
---|
537 | """
|
---|
538 | Checks if the specified process exits.
|
---|
539 | This will only work if we can signal/open the process.
|
---|
540 |
|
---|
541 | Returns True if it positively exists, False otherwise.
|
---|
542 | """
|
---|
543 | if sys.platform == 'win32':
|
---|
544 | fRc = False;
|
---|
545 | try:
|
---|
546 | hProcess = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION, False, uPid);
|
---|
547 | except:
|
---|
548 | pass;
|
---|
549 | else:
|
---|
550 | win32api.CloseHandle(hProcess)
|
---|
551 | fRc = True;
|
---|
552 | else:
|
---|
553 | try:
|
---|
554 | os.kill(uPid, 0);
|
---|
555 | fRc = True;
|
---|
556 | except:
|
---|
557 | fRc = False;
|
---|
558 | return fRc;
|
---|
559 |
|
---|
560 | def processCheckPidAndName(uPid, sName):
|
---|
561 | """
|
---|
562 | Checks if a process PID and NAME matches.
|
---|
563 | """
|
---|
564 | fRc = processExists(uPid);
|
---|
565 | if fRc is not True:
|
---|
566 | return False;
|
---|
567 |
|
---|
568 | if sys.platform == 'win32':
|
---|
569 | try:
|
---|
570 | from win32com.client import GetObject; # pylint: disable=F0401
|
---|
571 | oWmi = GetObject('winmgmts:');
|
---|
572 | aoProcesses = oWmi.InstancesOf('Win32_Process');
|
---|
573 | for oProcess in aoProcesses:
|
---|
574 | if long(oProcess.Properties_("ProcessId").Value) == uPid:
|
---|
575 | sCurName = oProcess.Properties_("Name").Value;
|
---|
576 | #reporter.log2('uPid=%s sName=%s sCurName=%s' % (uPid, sName, sCurName));
|
---|
577 | sName = sName.lower();
|
---|
578 | sCurName = sCurName.lower();
|
---|
579 | if os.path.basename(sName) == sName:
|
---|
580 | sCurName = os.path.basename(sCurName);
|
---|
581 |
|
---|
582 | if sCurName == sName \
|
---|
583 | or sCurName + '.exe' == sName \
|
---|
584 | or sCurName == sName + '.exe':
|
---|
585 | fRc = True;
|
---|
586 | break;
|
---|
587 | except:
|
---|
588 | #reporter.logXcpt('uPid=%s sName=%s' % (uPid, sName));
|
---|
589 | pass;
|
---|
590 | else:
|
---|
591 | if sys.platform in ('linux2', ):
|
---|
592 | asPsCmd = ['/bin/ps', '-p', '%u' % (uPid,), '-o', 'fname='];
|
---|
593 | elif sys.platform in ('sunos5',):
|
---|
594 | asPsCmd = ['/usr/bin/ps', '-p', '%u' % (uPid,), '-o', 'fname='];
|
---|
595 | elif sys.platform in ('darwin',):
|
---|
596 | asPsCmd = ['/bin/ps', '-p', '%u' % (uPid,), '-o', 'ucomm='];
|
---|
597 | else:
|
---|
598 | asPsCmd = None;
|
---|
599 |
|
---|
600 | if asPsCmd is not None:
|
---|
601 | try:
|
---|
602 | oPs = subprocess.Popen(asPsCmd, stdout=subprocess.PIPE);
|
---|
603 | sCurName = oPs.communicate()[0];
|
---|
604 | iExitCode = oPs.wait();
|
---|
605 | except:
|
---|
606 | #reporter.logXcpt();
|
---|
607 | return False;
|
---|
608 |
|
---|
609 | # ps fails with non-zero exit code if the pid wasn't found.
|
---|
610 | if iExitCode is not 0:
|
---|
611 | return False;
|
---|
612 | if sCurName is None:
|
---|
613 | return False;
|
---|
614 | sCurName = sCurName.strip();
|
---|
615 | if sCurName is '':
|
---|
616 | return False;
|
---|
617 |
|
---|
618 | if os.path.basename(sName) == sName:
|
---|
619 | sCurName = os.path.basename(sCurName);
|
---|
620 | elif os.path.basename(sCurName) == sCurName:
|
---|
621 | sName = os.path.basename(sName);
|
---|
622 |
|
---|
623 | if sCurName != sName:
|
---|
624 | return False;
|
---|
625 |
|
---|
626 | fRc = True;
|
---|
627 | return fRc;
|
---|
628 |
|
---|
629 |
|
---|
630 | class ProcessInfo(object):
|
---|
631 | """Process info."""
|
---|
632 | def __init__(self, iPid):
|
---|
633 | self.iPid = iPid;
|
---|
634 | self.iParentPid = None;
|
---|
635 | self.sImage = None;
|
---|
636 | self.sName = None;
|
---|
637 | self.asArgs = None;
|
---|
638 | self.sCwd = None;
|
---|
639 | self.iGid = None;
|
---|
640 | self.iUid = None;
|
---|
641 | self.iProcGroup = None;
|
---|
642 | self.iSessionId = None;
|
---|
643 |
|
---|
644 | def loadAll(self):
|
---|
645 | """Load all the info."""
|
---|
646 | sOs = getHostOs();
|
---|
647 | if sOs == 'linux':
|
---|
648 | sProc = '/proc/%s/' % (self.iPid,);
|
---|
649 | if self.sImage is None: self.sImage = noxcptReadLink(sProc + 'exe', None);
|
---|
650 | if self.sCwd is None: self.sCwd = noxcptReadLink(sProc + 'cwd', None);
|
---|
651 | if self.asArgs is None: self.asArgs = noxcptReadFile(sProc + 'cmdline', '').split('\x00');
|
---|
652 | elif sOs == 'solaris':
|
---|
653 | sProc = '/proc/%s/' % (self.iPid,);
|
---|
654 | if self.sImage is None: self.sImage = noxcptReadLink(sProc + 'path/a.out', None);
|
---|
655 | if self.sCwd is None: self.sCwd = noxcptReadLink(sProc + 'path/cwd', None);
|
---|
656 | else:
|
---|
657 | pass;
|
---|
658 | if self.sName is None and self.sImage is not None:
|
---|
659 | self.sName = self.sImage;
|
---|
660 |
|
---|
661 | def windowsGrabProcessInfo(self, oProcess):
|
---|
662 | """Windows specific loadAll."""
|
---|
663 | try: self.sName = oProcess.Properties_("Name").Value;
|
---|
664 | except: pass;
|
---|
665 | try: self.sImage = oProcess.Properties_("ExecutablePath").Value;
|
---|
666 | except: pass;
|
---|
667 | try: self.asArgs = oProcess.Properties_("CommandLine").Value; ## @todo split it.
|
---|
668 | except: pass;
|
---|
669 | try: self.iParentPid = oProcess.Properties_("ParentProcessId").Value;
|
---|
670 | except: pass;
|
---|
671 | try: self.iSessionId = oProcess.Properties_("SessionId").Value;
|
---|
672 | except: pass;
|
---|
673 | if self.sName is None and self.sImage is not None:
|
---|
674 | self.sName = self.sImage;
|
---|
675 |
|
---|
676 | def getBaseImageName(self):
|
---|
677 | """
|
---|
678 | Gets the base image name if available, use the process name if not available.
|
---|
679 | Returns image/process base name or None.
|
---|
680 | """
|
---|
681 | sRet = self.sImage if self.sName is None else self.sName;
|
---|
682 | if sRet is None:
|
---|
683 | self.loadAll();
|
---|
684 | sRet = self.sImage if self.sName is None else self.sName;
|
---|
685 | if sRet is None:
|
---|
686 | if self.asArgs is None or len(self.asArgs) == 0:
|
---|
687 | return None;
|
---|
688 | sRet = self.asArgs[0];
|
---|
689 | if len(sRet) == 0:
|
---|
690 | return None;
|
---|
691 | return os.path.basename(sRet);
|
---|
692 |
|
---|
693 | def getBaseImageNameNoExeSuff(self):
|
---|
694 | """
|
---|
695 | Same as getBaseImageName, except any '.exe' or similar suffix is stripped.
|
---|
696 | """
|
---|
697 | sRet = self.getBaseImageName();
|
---|
698 | if sRet is not None and len(sRet) > 4 and sRet[-4] == '.':
|
---|
699 | if (sRet[-4:]).lower() in [ '.exe', '.com', '.msc', '.vbs', '.cmd', '.bat' ]:
|
---|
700 | sRet = sRet[:-4];
|
---|
701 | return sRet;
|
---|
702 |
|
---|
703 |
|
---|
704 | def processListAll(): # pylint: disable=R0914
|
---|
705 | """
|
---|
706 | Return a list of ProcessInfo objects for all the processes in the system
|
---|
707 | that the current user can see.
|
---|
708 | """
|
---|
709 | asProcesses = [];
|
---|
710 |
|
---|
711 | sOs = getHostOs();
|
---|
712 | if sOs == 'win':
|
---|
713 | from win32com.client import GetObject; # pylint: disable=F0401
|
---|
714 | oWmi = GetObject('winmgmts:');
|
---|
715 | aoProcesses = oWmi.InstancesOf('Win32_Process');
|
---|
716 | for oProcess in aoProcesses:
|
---|
717 | try:
|
---|
718 | iPid = int(oProcess.Properties_("ProcessId").Value);
|
---|
719 | except:
|
---|
720 | continue;
|
---|
721 | oMyInfo = ProcessInfo(iPid);
|
---|
722 | oMyInfo.windowsGrabProcessInfo(oProcess);
|
---|
723 | asProcesses.append(oMyInfo);
|
---|
724 |
|
---|
725 | elif sOs in [ 'linux', 'solaris' ]:
|
---|
726 | try:
|
---|
727 | asDirs = os.listdir('/proc');
|
---|
728 | except:
|
---|
729 | asDirs = [];
|
---|
730 | for sDir in asDirs:
|
---|
731 | if sDir.isdigit():
|
---|
732 | asProcesses.append(ProcessInfo(int(sDir),));
|
---|
733 |
|
---|
734 | elif sOs == 'darwin':
|
---|
735 | # Try our best to parse ps output. (Not perfect but does the job most of the time.)
|
---|
736 | try:
|
---|
737 | sRaw = processOutputChecked([ '/bin/ps', '-A',
|
---|
738 | '-o', 'pid=',
|
---|
739 | '-o', 'ppid=',
|
---|
740 | '-o', 'pgid=',
|
---|
741 | '-o', 'sess=',
|
---|
742 | '-o', 'uid=',
|
---|
743 | '-o', 'gid=',
|
---|
744 | '-o', 'comm=' ]);
|
---|
745 | except:
|
---|
746 | return asProcesses;
|
---|
747 |
|
---|
748 | for sLine in sRaw.split('\n'):
|
---|
749 | sLine = sLine.lstrip();
|
---|
750 | if len(sLine) < 7 or not sLine[0].isdigit():
|
---|
751 | continue;
|
---|
752 |
|
---|
753 | iField = 0;
|
---|
754 | off = 0;
|
---|
755 | aoFields = [None, None, None, None, None, None, None];
|
---|
756 | while iField < 7:
|
---|
757 | # Eat whitespace.
|
---|
758 | while off < len(sLine) and (sLine[off] == ' ' or sLine[off] == '\t'):
|
---|
759 | off += 1;
|
---|
760 |
|
---|
761 | # Final field / EOL.
|
---|
762 | if iField == 6:
|
---|
763 | aoFields[6] = sLine[off:];
|
---|
764 | break;
|
---|
765 | if off >= len(sLine):
|
---|
766 | break;
|
---|
767 |
|
---|
768 | # Generic field parsing.
|
---|
769 | offStart = off;
|
---|
770 | off += 1;
|
---|
771 | while off < len(sLine) and sLine[off] != ' ' and sLine[off] != '\t':
|
---|
772 | off += 1;
|
---|
773 | try:
|
---|
774 | if iField != 3:
|
---|
775 | aoFields[iField] = int(sLine[offStart:off]);
|
---|
776 | else:
|
---|
777 | aoFields[iField] = long(sLine[offStart:off], 16); # sess is a hex address.
|
---|
778 | except:
|
---|
779 | pass;
|
---|
780 | iField += 1;
|
---|
781 |
|
---|
782 | if aoFields[0] is not None:
|
---|
783 | oMyInfo = ProcessInfo(aoFields[0]);
|
---|
784 | oMyInfo.iParentPid = aoFields[1];
|
---|
785 | oMyInfo.iProcGroup = aoFields[2];
|
---|
786 | oMyInfo.iSessionId = aoFields[3];
|
---|
787 | oMyInfo.iUid = aoFields[4];
|
---|
788 | oMyInfo.iGid = aoFields[5];
|
---|
789 | oMyInfo.sName = aoFields[6];
|
---|
790 | asProcesses.append(oMyInfo);
|
---|
791 |
|
---|
792 | return asProcesses;
|
---|
793 |
|
---|
794 |
|
---|
795 | def processCollectCrashInfo(uPid, fnLog, fnCrashFile):
|
---|
796 | """
|
---|
797 | Looks for information regarding the demise of the given process.
|
---|
798 | """
|
---|
799 | sOs = getHostOs();
|
---|
800 | if sOs == 'darwin':
|
---|
801 | #
|
---|
802 | # On darwin we look for crash and diagnostic reports.
|
---|
803 | #
|
---|
804 | asLogDirs = [
|
---|
805 | u'/Library/Logs/DiagnosticReports/',
|
---|
806 | u'/Library/Logs/CrashReporter/',
|
---|
807 | u'~/Library/Logs/DiagnosticReports/',
|
---|
808 | u'~/Library/Logs/CrashReporter/',
|
---|
809 | ];
|
---|
810 | for sDir in asLogDirs:
|
---|
811 | sDir = os.path.expanduser(sDir);
|
---|
812 | if not os.path.isdir(sDir):
|
---|
813 | continue;
|
---|
814 | try:
|
---|
815 | asDirEntries = os.listdir(sDir);
|
---|
816 | except:
|
---|
817 | continue;
|
---|
818 | for sEntry in asDirEntries:
|
---|
819 | # Only interested in .crash files.
|
---|
820 | _, sSuff = os.path.splitext(sEntry);
|
---|
821 | if sSuff != '.crash':
|
---|
822 | continue;
|
---|
823 |
|
---|
824 | # The pid can be found at the end of the first line.
|
---|
825 | sFull = os.path.join(sDir, sEntry);
|
---|
826 | try:
|
---|
827 | oFile = open(sFull, 'r');
|
---|
828 | sFirstLine = oFile.readline();
|
---|
829 | oFile.close();
|
---|
830 | except:
|
---|
831 | continue;
|
---|
832 | if len(sFirstLine) <= 4 or sFirstLine[-2] != ']':
|
---|
833 | continue;
|
---|
834 | offPid = len(sFirstLine) - 3;
|
---|
835 | while offPid > 1 and sFirstLine[offPid - 1].isdigit():
|
---|
836 | offPid -= 1;
|
---|
837 | try: uReportPid = int(sFirstLine[offPid:-2]);
|
---|
838 | except: continue;
|
---|
839 |
|
---|
840 | # Does the pid we found match?
|
---|
841 | if uReportPid == uPid:
|
---|
842 | fnLog('Found crash report for %u: %s' % (uPid, sFull,));
|
---|
843 | fnCrashFile(sFull, False);
|
---|
844 | elif sOs == 'win':
|
---|
845 | #
|
---|
846 | # Getting WER reports would be great, however we have trouble match the
|
---|
847 | # PID to those as they seems not to mention it in the brief reports.
|
---|
848 | # Instead we'll just look for crash dumps in C:\CrashDumps (our custom
|
---|
849 | # location - see the windows readme for the testbox script) and what
|
---|
850 | # the MSDN article lists for now.
|
---|
851 | #
|
---|
852 | # It's been observed on Windows server 2012 that the dump files takes
|
---|
853 | # the form: <processimage>.<decimal-pid>.dmp
|
---|
854 | #
|
---|
855 | asDmpDirs = [
|
---|
856 | u'%SystemDrive%/CrashDumps/', # Testboxes.
|
---|
857 | u'%LOCALAPPDATA%/CrashDumps/', # MSDN example.
|
---|
858 | u'%WINDIR%/ServiceProfiles/LocalServices/', # Local and network service.
|
---|
859 | u'%WINDIR%/ServiceProfiles/NetworkSerices/',
|
---|
860 | u'%WINDIR%/ServiceProfiles/',
|
---|
861 | u'%WINDIR%/System32/Config/SystemProfile/', # System services.
|
---|
862 | ];
|
---|
863 | sMatchSuffix = '.%u.dmp' % (uPid,);
|
---|
864 |
|
---|
865 | for sDir in asDmpDirs:
|
---|
866 | sDir = os.path.expandvars(sDir);
|
---|
867 | if not os.path.isdir(sDir):
|
---|
868 | continue;
|
---|
869 | try:
|
---|
870 | asDirEntries = os.listdir(sDir);
|
---|
871 | except:
|
---|
872 | continue;
|
---|
873 | for sEntry in asDirEntries:
|
---|
874 | if sEntry.endswith(sMatchSuffix):
|
---|
875 | sFull = os.path.join(sDir, sEntry);
|
---|
876 | fnLog('Found crash dump for %u: %s' % (uPid, sFull,));
|
---|
877 | fnCrashFile(sFull, True);
|
---|
878 |
|
---|
879 | else:
|
---|
880 | pass; ## TODO
|
---|
881 | return None;
|
---|
882 |
|
---|
883 |
|
---|
884 | #
|
---|
885 | # Time.
|
---|
886 | #
|
---|
887 |
|
---|
888 | def timestampNano():
|
---|
889 | """
|
---|
890 | Gets a nanosecond timestamp.
|
---|
891 | """
|
---|
892 | if sys.platform == 'win32':
|
---|
893 | return long(time.clock() * 1000000000);
|
---|
894 | return long(time.time() * 1000000000);
|
---|
895 |
|
---|
896 | def timestampMilli():
|
---|
897 | """
|
---|
898 | Gets a millisecond timestamp.
|
---|
899 | """
|
---|
900 | if sys.platform == 'win32':
|
---|
901 | return long(time.clock() * 1000);
|
---|
902 | return long(time.time() * 1000);
|
---|
903 |
|
---|
904 | def timestampSecond():
|
---|
905 | """
|
---|
906 | Gets a second timestamp.
|
---|
907 | """
|
---|
908 | if sys.platform == 'win32':
|
---|
909 | return long(time.clock());
|
---|
910 | return long(time.time());
|
---|
911 |
|
---|
912 | def getTimePrefix():
|
---|
913 | """
|
---|
914 | Returns a timestamp prefix, typically used for logging. UTC.
|
---|
915 | """
|
---|
916 | try:
|
---|
917 | oNow = datetime.datetime.utcnow();
|
---|
918 | sTs = '%02u:%02u:%02u.%06u' % (oNow.hour, oNow.minute, oNow.second, oNow.microsecond);
|
---|
919 | except:
|
---|
920 | sTs = 'getTimePrefix-exception';
|
---|
921 | return sTs;
|
---|
922 |
|
---|
923 | def getTimePrefixAndIsoTimestamp():
|
---|
924 | """
|
---|
925 | Returns current UTC as log prefix and iso timestamp.
|
---|
926 | """
|
---|
927 | try:
|
---|
928 | oNow = datetime.datetime.utcnow();
|
---|
929 | sTsPrf = '%02u:%02u:%02u.%06u' % (oNow.hour, oNow.minute, oNow.second, oNow.microsecond);
|
---|
930 | sTsIso = formatIsoTimestamp(oNow);
|
---|
931 | except:
|
---|
932 | sTsPrf = sTsIso = 'getTimePrefix-exception';
|
---|
933 | return (sTsPrf, sTsIso);
|
---|
934 |
|
---|
935 | def formatIsoTimestamp(oNow):
|
---|
936 | """Formats the datetime object as an ISO timestamp."""
|
---|
937 | assert oNow.tzinfo is None;
|
---|
938 | sTs = '%s.%09uZ' % (oNow.strftime('%Y-%m-%dT%H:%M:%S'), oNow.microsecond * 1000);
|
---|
939 | return sTs;
|
---|
940 |
|
---|
941 | def getIsoTimestamp():
|
---|
942 | """Returns the current UTC timestamp as a string."""
|
---|
943 | return formatIsoTimestamp(datetime.datetime.utcnow());
|
---|
944 |
|
---|
945 |
|
---|
946 | def getLocalHourOfWeek():
|
---|
947 | """ Local hour of week (0 based). """
|
---|
948 | oNow = datetime.datetime.now();
|
---|
949 | return (oNow.isoweekday() - 1) * 24 + oNow.hour;
|
---|
950 |
|
---|
951 |
|
---|
952 | def formatIntervalSeconds(cSeconds):
|
---|
953 | """ Format a seconds interval into a nice 01h 00m 22s string """
|
---|
954 | # Two simple special cases.
|
---|
955 | if cSeconds < 60:
|
---|
956 | return '%ss' % (cSeconds,);
|
---|
957 | if cSeconds < 3600:
|
---|
958 | cMins = cSeconds / 60;
|
---|
959 | cSecs = cSeconds % 60;
|
---|
960 | if cSecs == 0:
|
---|
961 | return '%sm' % (cMins,);
|
---|
962 | return '%sm %ss' % (cMins, cSecs,);
|
---|
963 |
|
---|
964 | # Generic and a bit slower.
|
---|
965 | cDays = cSeconds / 86400;
|
---|
966 | cSeconds %= 86400;
|
---|
967 | cHours = cSeconds / 3600;
|
---|
968 | cSeconds %= 3600;
|
---|
969 | cMins = cSeconds / 60;
|
---|
970 | cSecs = cSeconds % 60;
|
---|
971 | sRet = '';
|
---|
972 | if cDays > 0:
|
---|
973 | sRet = '%sd ' % (cDays,);
|
---|
974 | if cHours > 0:
|
---|
975 | sRet += '%sh ' % (cHours,);
|
---|
976 | if cMins > 0:
|
---|
977 | sRet += '%sm ' % (cMins,);
|
---|
978 | if cSecs > 0:
|
---|
979 | sRet += '%ss ' % (cSecs,);
|
---|
980 | assert len(sRet) > 0; assert sRet[-1] == ' ';
|
---|
981 | return sRet[:-1];
|
---|
982 |
|
---|
983 | def formatIntervalSeconds2(oSeconds):
|
---|
984 | """
|
---|
985 | Flexible input version of formatIntervalSeconds for use in WUI forms where
|
---|
986 | data is usually already string form.
|
---|
987 | """
|
---|
988 | if isinstance(oSeconds, int) or isinstance(oSeconds, long):
|
---|
989 | return formatIntervalSeconds(oSeconds);
|
---|
990 | if not isString(oSeconds):
|
---|
991 | try:
|
---|
992 | lSeconds = long(oSeconds);
|
---|
993 | except:
|
---|
994 | pass;
|
---|
995 | else:
|
---|
996 | if lSeconds >= 0:
|
---|
997 | return formatIntervalSeconds2(lSeconds);
|
---|
998 | return oSeconds;
|
---|
999 |
|
---|
1000 | def parseIntervalSeconds(sString):
|
---|
1001 | """
|
---|
1002 | Reverse of formatIntervalSeconds.
|
---|
1003 |
|
---|
1004 | Returns (cSeconds, sError), where sError is None on success.
|
---|
1005 | """
|
---|
1006 |
|
---|
1007 | # We might given non-strings, just return them without any fuss.
|
---|
1008 | if not isString(sString):
|
---|
1009 | if isinstance(sString, int) or isinstance(sString, long) or sString is None:
|
---|
1010 | return (sString, None);
|
---|
1011 | ## @todo time/date objects?
|
---|
1012 | return (int(sString), None);
|
---|
1013 |
|
---|
1014 | # Strip it and make sure it's not empty.
|
---|
1015 | sString = sString.strip();
|
---|
1016 | if len(sString) == 0:
|
---|
1017 | return (0, 'Empty interval string.');
|
---|
1018 |
|
---|
1019 | #
|
---|
1020 | # Split up the input into a list of 'valueN, unitN, ...'.
|
---|
1021 | #
|
---|
1022 | # Don't want to spend too much time trying to make re.split do exactly what
|
---|
1023 | # I need here, so please forgive the extra pass I'm making here.
|
---|
1024 | #
|
---|
1025 | asRawParts = re.split(r'\s*([0-9]+)\s*([^0-9,;]*)[\s,;]*', sString);
|
---|
1026 | asParts = [];
|
---|
1027 | for sPart in asRawParts:
|
---|
1028 | sPart = sPart.strip();
|
---|
1029 | if len(sPart) > 0:
|
---|
1030 | asParts.append(sPart);
|
---|
1031 | if len(asParts) == 0:
|
---|
1032 | return (0, 'Empty interval string or something?');
|
---|
1033 |
|
---|
1034 | #
|
---|
1035 | # Process them one or two at the time.
|
---|
1036 | #
|
---|
1037 | cSeconds = 0;
|
---|
1038 | asErrors = [];
|
---|
1039 | i = 0;
|
---|
1040 | while i < len(asParts):
|
---|
1041 | sNumber = asParts[i];
|
---|
1042 | i += 1;
|
---|
1043 | if sNumber.isdigit():
|
---|
1044 | iNumber = int(sNumber);
|
---|
1045 |
|
---|
1046 | sUnit = 's';
|
---|
1047 | if i < len(asParts) and not asParts[i].isdigit():
|
---|
1048 | sUnit = asParts[i];
|
---|
1049 | i += 1;
|
---|
1050 |
|
---|
1051 | sUnitLower = sUnit.lower();
|
---|
1052 | if sUnitLower in [ 's', 'se', 'sec', 'second', 'seconds' ]:
|
---|
1053 | pass;
|
---|
1054 | elif sUnitLower in [ 'm', 'mi', 'min', 'minute', 'minutes' ]:
|
---|
1055 | iNumber *= 60;
|
---|
1056 | elif sUnitLower in [ 'h', 'ho', 'hou', 'hour', 'hours' ]:
|
---|
1057 | iNumber *= 3600;
|
---|
1058 | elif sUnitLower in [ 'd', 'da', 'day', 'days' ]:
|
---|
1059 | iNumber *= 86400;
|
---|
1060 | elif sUnitLower in [ 'w', 'week', 'weeks' ]:
|
---|
1061 | iNumber *= 7 * 86400;
|
---|
1062 | else:
|
---|
1063 | asErrors.append('Unknown unit "%s".' % (sUnit,));
|
---|
1064 | cSeconds += iNumber;
|
---|
1065 | else:
|
---|
1066 | asErrors.append('Bad number "%s".' % (sNumber,));
|
---|
1067 | return (cSeconds, None if len(asErrors) == 0 else ' '.join(asErrors));
|
---|
1068 |
|
---|
1069 | def formatIntervalHours(cHours):
|
---|
1070 | """ Format a hours interval into a nice 1w 2d 1h string. """
|
---|
1071 | # Simple special cases.
|
---|
1072 | if cHours < 24:
|
---|
1073 | return '%sh' % (cHours,);
|
---|
1074 |
|
---|
1075 | # Generic and a bit slower.
|
---|
1076 | cWeeks = cHours / (7 * 24);
|
---|
1077 | cHours %= 7 * 24;
|
---|
1078 | cDays = cHours / 24;
|
---|
1079 | cHours %= 24;
|
---|
1080 | sRet = '';
|
---|
1081 | if cWeeks > 0:
|
---|
1082 | sRet = '%sw ' % (cWeeks,);
|
---|
1083 | if cDays > 0:
|
---|
1084 | sRet = '%sd ' % (cDays,);
|
---|
1085 | if cHours > 0:
|
---|
1086 | sRet += '%sh ' % (cHours,);
|
---|
1087 | assert len(sRet) > 0; assert sRet[-1] == ' ';
|
---|
1088 | return sRet[:-1];
|
---|
1089 |
|
---|
1090 | def parseIntervalHours(sString):
|
---|
1091 | """
|
---|
1092 | Reverse of formatIntervalHours.
|
---|
1093 |
|
---|
1094 | Returns (cHours, sError), where sError is None on success.
|
---|
1095 | """
|
---|
1096 |
|
---|
1097 | # We might given non-strings, just return them without any fuss.
|
---|
1098 | if not isString(sString):
|
---|
1099 | if isinstance(sString, int) or isinstance(sString, long) or sString is None:
|
---|
1100 | return (sString, None);
|
---|
1101 | ## @todo time/date objects?
|
---|
1102 | return (int(sString), None);
|
---|
1103 |
|
---|
1104 | # Strip it and make sure it's not empty.
|
---|
1105 | sString = sString.strip();
|
---|
1106 | if len(sString) == 0:
|
---|
1107 | return (0, 'Empty interval string.');
|
---|
1108 |
|
---|
1109 | #
|
---|
1110 | # Split up the input into a list of 'valueN, unitN, ...'.
|
---|
1111 | #
|
---|
1112 | # Don't want to spend too much time trying to make re.split do exactly what
|
---|
1113 | # I need here, so please forgive the extra pass I'm making here.
|
---|
1114 | #
|
---|
1115 | asRawParts = re.split(r'\s*([0-9]+)\s*([^0-9,;]*)[\s,;]*', sString);
|
---|
1116 | asParts = [];
|
---|
1117 | for sPart in asRawParts:
|
---|
1118 | sPart = sPart.strip();
|
---|
1119 | if len(sPart) > 0:
|
---|
1120 | asParts.append(sPart);
|
---|
1121 | if len(asParts) == 0:
|
---|
1122 | return (0, 'Empty interval string or something?');
|
---|
1123 |
|
---|
1124 | #
|
---|
1125 | # Process them one or two at the time.
|
---|
1126 | #
|
---|
1127 | cHours = 0;
|
---|
1128 | asErrors = [];
|
---|
1129 | i = 0;
|
---|
1130 | while i < len(asParts):
|
---|
1131 | sNumber = asParts[i];
|
---|
1132 | i += 1;
|
---|
1133 | if sNumber.isdigit():
|
---|
1134 | iNumber = int(sNumber);
|
---|
1135 |
|
---|
1136 | sUnit = 'h';
|
---|
1137 | if i < len(asParts) and not asParts[i].isdigit():
|
---|
1138 | sUnit = asParts[i];
|
---|
1139 | i += 1;
|
---|
1140 |
|
---|
1141 | sUnitLower = sUnit.lower();
|
---|
1142 | if sUnitLower in [ 'h', 'ho', 'hou', 'hour', 'hours' ]:
|
---|
1143 | pass;
|
---|
1144 | elif sUnitLower in [ 'd', 'da', 'day', 'days' ]:
|
---|
1145 | iNumber *= 24;
|
---|
1146 | elif sUnitLower in [ 'w', 'week', 'weeks' ]:
|
---|
1147 | iNumber *= 7 * 24;
|
---|
1148 | else:
|
---|
1149 | asErrors.append('Unknown unit "%s".' % (sUnit,));
|
---|
1150 | cHours += iNumber;
|
---|
1151 | else:
|
---|
1152 | asErrors.append('Bad number "%s".' % (sNumber,));
|
---|
1153 | return (cHours, None if len(asErrors) == 0 else ' '.join(asErrors));
|
---|
1154 |
|
---|
1155 |
|
---|
1156 | #
|
---|
1157 | # Introspection.
|
---|
1158 | #
|
---|
1159 |
|
---|
1160 | def getCallerName(oFrame=None, iFrame=2):
|
---|
1161 | """
|
---|
1162 | Returns the name of the caller's caller.
|
---|
1163 | """
|
---|
1164 | if oFrame is None:
|
---|
1165 | try:
|
---|
1166 | raise Exception();
|
---|
1167 | except:
|
---|
1168 | oFrame = sys.exc_info()[2].tb_frame.f_back;
|
---|
1169 | while iFrame > 1:
|
---|
1170 | if oFrame is not None:
|
---|
1171 | oFrame = oFrame.f_back;
|
---|
1172 | iFrame = iFrame - 1;
|
---|
1173 | if oFrame is not None:
|
---|
1174 | sName = '%s:%u' % (oFrame.f_code.co_name, oFrame.f_lineno);
|
---|
1175 | return sName;
|
---|
1176 | return "unknown";
|
---|
1177 |
|
---|
1178 |
|
---|
1179 | def getXcptInfo(cFrames = 1):
|
---|
1180 | """
|
---|
1181 | Gets text detailing the exception. (Good for logging.)
|
---|
1182 | Returns list of info strings.
|
---|
1183 | """
|
---|
1184 |
|
---|
1185 | #
|
---|
1186 | # Try get exception info.
|
---|
1187 | #
|
---|
1188 | try:
|
---|
1189 | oType, oValue, oTraceback = sys.exc_info();
|
---|
1190 | except:
|
---|
1191 | oType = oValue = oTraceback = None;
|
---|
1192 | if oType is not None:
|
---|
1193 |
|
---|
1194 | #
|
---|
1195 | # Try format the info
|
---|
1196 | #
|
---|
1197 | asRet = [];
|
---|
1198 | try:
|
---|
1199 | try:
|
---|
1200 | asRet = asRet + traceback.format_exception_only(oType, oValue);
|
---|
1201 | asTraceBack = traceback.format_tb(oTraceback);
|
---|
1202 | if cFrames is not None and cFrames <= 1:
|
---|
1203 | asRet.append(asTraceBack[-1]);
|
---|
1204 | else:
|
---|
1205 | asRet.append('Traceback:')
|
---|
1206 | for iFrame in range(min(cFrames, len(asTraceBack))):
|
---|
1207 | asRet.append(asTraceBack[-iFrame - 1]);
|
---|
1208 | asRet.append('Stack:')
|
---|
1209 | asRet = asRet + traceback.format_stack(oTraceback.tb_frame.f_back, cFrames);
|
---|
1210 | except:
|
---|
1211 | asRet.append('internal-error: Hit exception #2! %s' % (traceback.format_exc(),));
|
---|
1212 |
|
---|
1213 | if len(asRet) == 0:
|
---|
1214 | asRet.append('No exception info...');
|
---|
1215 | except:
|
---|
1216 | asRet.append('internal-error: Hit exception! %s' % (traceback.format_exc(),));
|
---|
1217 | else:
|
---|
1218 | asRet = ['Couldn\'t find exception traceback.'];
|
---|
1219 | return asRet;
|
---|
1220 |
|
---|
1221 |
|
---|
1222 | #
|
---|
1223 | # TestSuite stuff.
|
---|
1224 | #
|
---|
1225 |
|
---|
1226 | def isRunningFromCheckout(cScriptDepth = 1):
|
---|
1227 | """
|
---|
1228 | Checks if we're running from the SVN checkout or not.
|
---|
1229 | """
|
---|
1230 |
|
---|
1231 | try:
|
---|
1232 | sFile = __file__;
|
---|
1233 | cScriptDepth = 1;
|
---|
1234 | except:
|
---|
1235 | sFile = sys.argv[0];
|
---|
1236 |
|
---|
1237 | sDir = os.path.abspath(sFile);
|
---|
1238 | while cScriptDepth >= 0:
|
---|
1239 | sDir = os.path.dirname(sDir);
|
---|
1240 | if os.path.exists(os.path.join(sDir, 'Makefile.kmk')) \
|
---|
1241 | or os.path.exists(os.path.join(sDir, 'Makefile.kup')):
|
---|
1242 | return True;
|
---|
1243 | cScriptDepth -= 1;
|
---|
1244 |
|
---|
1245 | return False;
|
---|
1246 |
|
---|
1247 |
|
---|
1248 | #
|
---|
1249 | # Bourne shell argument fun.
|
---|
1250 | #
|
---|
1251 |
|
---|
1252 |
|
---|
1253 | def argsSplit(sCmdLine):
|
---|
1254 | """
|
---|
1255 | Given a bourne shell command line invocation, split it up into arguments
|
---|
1256 | assuming IFS is space.
|
---|
1257 | Returns None on syntax error.
|
---|
1258 | """
|
---|
1259 | ## @todo bourne shell argument parsing!
|
---|
1260 | return sCmdLine.split(' ');
|
---|
1261 |
|
---|
1262 | def argsGetFirst(sCmdLine):
|
---|
1263 | """
|
---|
1264 | Given a bourne shell command line invocation, get return the first argument
|
---|
1265 | assuming IFS is space.
|
---|
1266 | Returns None on invalid syntax, otherwise the parsed and unescaped argv[0] string.
|
---|
1267 | """
|
---|
1268 | asArgs = argsSplit(sCmdLine);
|
---|
1269 | if asArgs is None or len(asArgs) == 0:
|
---|
1270 | return None;
|
---|
1271 |
|
---|
1272 | return asArgs[0];
|
---|
1273 |
|
---|
1274 | #
|
---|
1275 | # String helpers.
|
---|
1276 | #
|
---|
1277 |
|
---|
1278 | def stricmp(sFirst, sSecond):
|
---|
1279 | """
|
---|
1280 | Compares to strings in an case insensitive fashion.
|
---|
1281 |
|
---|
1282 | Python doesn't seem to have any way of doing the correctly, so this is just
|
---|
1283 | an approximation using lower.
|
---|
1284 | """
|
---|
1285 | if sFirst == sSecond:
|
---|
1286 | return 0;
|
---|
1287 | sLower1 = sFirst.lower();
|
---|
1288 | sLower2 = sSecond.lower();
|
---|
1289 | if sLower1 == sLower2:
|
---|
1290 | return 0;
|
---|
1291 | if sLower1 < sLower2:
|
---|
1292 | return -1;
|
---|
1293 | return 1;
|
---|
1294 |
|
---|
1295 |
|
---|
1296 | #
|
---|
1297 | # Misc.
|
---|
1298 | #
|
---|
1299 |
|
---|
1300 | def versionCompare(sVer1, sVer2):
|
---|
1301 | """
|
---|
1302 | Compares to version strings in a fashion similar to RTStrVersionCompare.
|
---|
1303 | """
|
---|
1304 |
|
---|
1305 | ## @todo implement me!!
|
---|
1306 |
|
---|
1307 | if sVer1 == sVer2:
|
---|
1308 | return 0;
|
---|
1309 | if sVer1 < sVer2:
|
---|
1310 | return -1;
|
---|
1311 | return 1;
|
---|
1312 |
|
---|
1313 |
|
---|
1314 | def formatNumber(lNum, sThousandSep = ' '):
|
---|
1315 | """
|
---|
1316 | Formats a decimal number with pretty separators.
|
---|
1317 | """
|
---|
1318 | sNum = str(lNum);
|
---|
1319 | sRet = sNum[-3:];
|
---|
1320 | off = len(sNum) - 3;
|
---|
1321 | while off > 0:
|
---|
1322 | off -= 3;
|
---|
1323 | sRet = sNum[(off if off >= 0 else 0):(off + 3)] + sThousandSep + sRet;
|
---|
1324 | return sRet;
|
---|
1325 |
|
---|
1326 |
|
---|
1327 | def formatNumberNbsp(lNum):
|
---|
1328 | """
|
---|
1329 | Formats a decimal number with pretty separators.
|
---|
1330 | """
|
---|
1331 | sRet = formatNumber(lNum);
|
---|
1332 | return unicode(sRet).replace(' ', u'\u00a0');
|
---|
1333 |
|
---|
1334 |
|
---|
1335 | def isString(oString):
|
---|
1336 | """
|
---|
1337 | Checks if the object is a string object, hiding difference between python 2 and 3.
|
---|
1338 |
|
---|
1339 | Returns True if it's a string of some kind.
|
---|
1340 | Returns False if not.
|
---|
1341 | """
|
---|
1342 | if sys.version_info[0] >= 3:
|
---|
1343 | return isinstance(oString, str);
|
---|
1344 | return isinstance(oString, basestring);
|
---|
1345 |
|
---|
1346 |
|
---|
1347 | def hasNonAsciiCharacters(sText):
|
---|
1348 | """
|
---|
1349 | Returns True is specified string has non-ASCII characters.
|
---|
1350 | """
|
---|
1351 | sTmp = unicode(sText, errors='ignore') if isinstance(sText, str) else sText
|
---|
1352 | return not all(ord(cChar) < 128 for cChar in sTmp)
|
---|
1353 |
|
---|
1354 |
|
---|
1355 | def chmodPlusX(sFile):
|
---|
1356 | """
|
---|
1357 | Makes the specified file or directory executable.
|
---|
1358 | Returns success indicator, no exceptions.
|
---|
1359 |
|
---|
1360 | Note! Symbolic links are followed and the target will be changed.
|
---|
1361 | """
|
---|
1362 | try:
|
---|
1363 | oStat = os.stat(sFile);
|
---|
1364 | except:
|
---|
1365 | return False;
|
---|
1366 | try:
|
---|
1367 | os.chmod(sFile, oStat.st_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH);
|
---|
1368 | except:
|
---|
1369 | return False;
|
---|
1370 | return True;
|
---|
1371 |
|
---|
1372 |
|
---|
1373 | def unpackFile(sArchive, sDstDir, fnLog, fnError = None):
|
---|
1374 | """
|
---|
1375 | Unpacks the given file if it has a know archive extension, otherwise do
|
---|
1376 | nothing.
|
---|
1377 |
|
---|
1378 | Returns list of the extracted files (full path) on success.
|
---|
1379 | Returns empty list if not a supported archive format.
|
---|
1380 | Returns None on failure. Raises no exceptions.
|
---|
1381 | """
|
---|
1382 | if fnError is None:
|
---|
1383 | fnError = fnLog;
|
---|
1384 |
|
---|
1385 | asMembers = [];
|
---|
1386 |
|
---|
1387 | sBaseNameLower = os.path.basename(sArchive).lower();
|
---|
1388 | if sBaseNameLower.endswith('.zip'):
|
---|
1389 | fnLog('Unzipping "%s" to "%s"...' % (sArchive, sDstDir));
|
---|
1390 | try:
|
---|
1391 | oZipFile = zipfile.ZipFile(sArchive, 'r')
|
---|
1392 | asMembers = oZipFile.namelist();
|
---|
1393 | for sMember in asMembers:
|
---|
1394 | if sMember.endswith('/'):
|
---|
1395 | os.makedirs(os.path.join(sDstDir, sMember.replace('/', os.path.sep)), 0775);
|
---|
1396 | else:
|
---|
1397 | oZipFile.extract(sMember, sDstDir);
|
---|
1398 | oZipFile.close();
|
---|
1399 | except Exception, oXcpt:
|
---|
1400 | fnError('Error unpacking "%s" into "%s": %s' % (sArchive, sDstDir, oXcpt));
|
---|
1401 | return None;
|
---|
1402 |
|
---|
1403 | elif sBaseNameLower.endswith('.tar') \
|
---|
1404 | or sBaseNameLower.endswith('.tar.gz') \
|
---|
1405 | or sBaseNameLower.endswith('.tgz') \
|
---|
1406 | or sBaseNameLower.endswith('.tar.bz2'):
|
---|
1407 | fnLog('Untarring "%s" to "%s"...' % (sArchive, sDstDir));
|
---|
1408 | try:
|
---|
1409 | oTarFile = tarfile.open(sArchive, 'r:*');
|
---|
1410 | asMembers = [oTarInfo.name for oTarInfo in oTarFile.getmembers()];
|
---|
1411 | oTarFile.extractall(sDstDir);
|
---|
1412 | oTarFile.close();
|
---|
1413 | except Exception, oXcpt:
|
---|
1414 | fnError('Error unpacking "%s" into "%s": %s' % (sArchive, sDstDir, oXcpt));
|
---|
1415 | return None;
|
---|
1416 |
|
---|
1417 | else:
|
---|
1418 | fnLog('Not unpacking "%s".' % (sArchive,));
|
---|
1419 | return [];
|
---|
1420 |
|
---|
1421 | #
|
---|
1422 | # Change asMembers to local slashes and prefix with path.
|
---|
1423 | #
|
---|
1424 | asMembersRet = [];
|
---|
1425 | for sMember in asMembers:
|
---|
1426 | asMembersRet.append(os.path.join(sDstDir, sMember.replace('/', os.path.sep)));
|
---|
1427 |
|
---|
1428 | return asMembersRet;
|
---|
1429 |
|
---|
1430 |
|
---|
1431 | def getDiskUsage(sPath):
|
---|
1432 | """
|
---|
1433 | Get free space of a partition that corresponds to specified sPath in MB.
|
---|
1434 |
|
---|
1435 | Returns partition free space value in MB.
|
---|
1436 | """
|
---|
1437 | if platform.system() == 'Windows':
|
---|
1438 | import ctypes
|
---|
1439 | oCTypeFreeSpace = ctypes.c_ulonglong(0);
|
---|
1440 | ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p(sPath), None, None,
|
---|
1441 | ctypes.pointer(oCTypeFreeSpace));
|
---|
1442 | cbFreeSpace = oCTypeFreeSpace.value;
|
---|
1443 | else:
|
---|
1444 | oStats = os.statvfs(sPath); # pylint: disable=E1101
|
---|
1445 | cbFreeSpace = long(oStats.f_frsize) * oStats.f_bfree;
|
---|
1446 |
|
---|
1447 | # Convert to MB
|
---|
1448 | cMbFreeSpace = long(cbFreeSpace) / (1024 * 1024);
|
---|
1449 |
|
---|
1450 | return cMbFreeSpace;
|
---|
1451 |
|
---|
1452 |
|
---|
1453 | #
|
---|
1454 | # Unit testing.
|
---|
1455 | #
|
---|
1456 |
|
---|
1457 | # pylint: disable=C0111
|
---|
1458 | class BuildCategoryDataTestCase(unittest.TestCase):
|
---|
1459 | def testIntervalSeconds(self):
|
---|
1460 | self.assertEqual(parseIntervalSeconds(formatIntervalSeconds(3600)), (3600, None));
|
---|
1461 | self.assertEqual(parseIntervalSeconds(formatIntervalSeconds(1209438593)), (1209438593, None));
|
---|
1462 | self.assertEqual(parseIntervalSeconds('123'), (123, None));
|
---|
1463 | self.assertEqual(parseIntervalSeconds(123), (123, None));
|
---|
1464 | self.assertEqual(parseIntervalSeconds(99999999999), (99999999999, None));
|
---|
1465 | self.assertEqual(parseIntervalSeconds(''), (0, 'Empty interval string.'));
|
---|
1466 | self.assertEqual(parseIntervalSeconds('1X2'), (3, 'Unknown unit "X".'));
|
---|
1467 | self.assertEqual(parseIntervalSeconds('1 Y3'), (4, 'Unknown unit "Y".'));
|
---|
1468 | self.assertEqual(parseIntervalSeconds('1 Z 4'), (5, 'Unknown unit "Z".'));
|
---|
1469 | self.assertEqual(parseIntervalSeconds('1 hour 2m 5second'), (3725, None));
|
---|
1470 | self.assertEqual(parseIntervalSeconds('1 hour,2m ; 5second'), (3725, None));
|
---|
1471 |
|
---|
1472 | if __name__ == '__main__':
|
---|
1473 | unittest.main();
|
---|
1474 | # not reached.
|
---|
1475 |
|
---|