| # Copyright (c) 2005 The Regents of The University of Michigan |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import os, popen2, re, sys |
| |
| class MyPOpen(object): |
| def __init__(self, cmd, input = None, output = None, bufsize = -1): |
| self.status = -1 |
| |
| if input is None: |
| p2c_read, p2c_write = os.pipe() |
| self.tochild = os.fdopen(p2c_write, 'w', bufsize) |
| else: |
| p2c_write = None |
| if isinstance(input, file): |
| p2c_read = input.fileno() |
| elif isinstance(input, str): |
| input = file(input, 'r') |
| p2c_read = input.fileno() |
| elif isinstance(input, int): |
| p2c_read = input |
| else: |
| raise AttributeError |
| |
| if output is None: |
| c2p_read, c2p_write = os.pipe() |
| self.fromchild = os.fdopen(c2p_read, 'r', bufsize) |
| else: |
| c2p_read = None |
| if isinstance(output, file): |
| c2p_write = output.fileno() |
| elif isinstance(output, str): |
| output = file(output, 'w') |
| c2p_write = output.fileno() |
| elif isinstance(output, int): |
| c2p_write = output |
| else: |
| raise AttributeError |
| |
| self.pid = os.fork() |
| if self.pid == 0: |
| os.dup2(p2c_read, sys.stdin.fileno()) |
| os.dup2(c2p_write, sys.stdout.fileno()) |
| os.dup2(c2p_write, sys.stderr.fileno()) |
| try: |
| os.execvp(cmd[0], cmd) |
| finally: |
| os._exit(1) |
| |
| os.close(p2c_read) |
| os.close(c2p_write) |
| |
| def poll(self): |
| if self.status < 0: |
| pid, status = os.waitpid(self.pid, os.WNOHANG) |
| if pid == self.pid: |
| self.status = status |
| return self.status |
| |
| def wait(self): |
| if self.status < 0: |
| pid, status = os.waitpid(self.pid, 0) |
| if pid == self.pid: |
| self.status = status |
| return self.status |
| |
| class qsub: |
| def __init__(self): |
| self.afterok = None |
| self.hold = False |
| self.join = False |
| self.keep_stdout = False |
| self.keep_stderr = False |
| self.node_type = None |
| self.mail_abort = False |
| self.mail_begin = False |
| self.mail_end = False |
| self.name = None |
| self.stdout = None |
| self.priority = None |
| self.queue = None |
| self.pbshost = None |
| self.qsub = 'qsub' |
| self.env = {} |
| |
| def build(self, script, args = []): |
| self.cmd = [ self.qsub ] |
| |
| if self.env: |
| arg = '-v' |
| arg += ','.join([ '%s=%s' % i for i in self.env.iteritems() ]) |
| self.cmd.append(arg) |
| |
| if self.hold: |
| self.cmd.append('-h') |
| |
| if self.stdout: |
| self.cmd.append('-olocalhost:' + self.stdout) |
| |
| if self.keep_stdout and self.keep_stderr: |
| self.cmd.append('-koe') |
| elif self.keep_stdout: |
| self.cmd.append('-ko') |
| elif self.keep_stderr: |
| self.cmd.append('-ke') |
| else: |
| self.cmd.append('-kn') |
| |
| if self.join: |
| self.cmd.append('-joe') |
| |
| if self.node_type: |
| self.cmd.append('-lnodes=' + self.node_type) |
| |
| if self.mail_abort or self.mail_begin or self.mail_end: |
| flags = '' |
| if self.mail_abort: |
| flags.append('a') |
| if self.mail_begin: |
| flags.append('b') |
| if self.mail_end: |
| flags.append('e') |
| if len(flags): |
| self.cmd.append('-m ' + flags) |
| else: |
| self.cmd.append('-mn') |
| |
| if self.name: |
| self.cmd.append("-N%s" % self.name) |
| |
| if self.priority: |
| self.cmd.append('-p' + self.priority) |
| |
| if self.queue: |
| self.cmd.append('-q' + self.queue) |
| |
| if self.afterok: |
| self.cmd.append('-Wdepend=afterok:%s' % self.afterok) |
| |
| self.cmd.extend(args) |
| self.script = script |
| self.command = ' '.join(self.cmd + [ self.script ]) |
| |
| def do(self): |
| pbs = MyPOpen(self.cmd + [ self.script ]) |
| self.result = pbs.fromchild.read() |
| ec = pbs.wait() |
| |
| if ec != 0 and self.pbshost: |
| cmd = ' '.join(self.cmd + [ '-' ]) |
| cmd = [ 'ssh', '-x', self.pbshost, cmd ] |
| self.command = ' '.join(cmd) |
| ssh = MyPOpen(cmd, input = self.script) |
| self.result = ssh.fromchild.read() |
| ec = ssh.wait() |
| |
| return ec |