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4f26bdb2f0
Add support to build MinGW tools using Cygwin. This is a Canadian cross build. Do not expand the directives when parsing a configuration file. Hold in the package object the text as read from the configuration file. Still parse the logic but leave the macros. This allows a configuration to be varied when the build happens. The Canadian cross uses this to build a build compiler used to build a Cxc runtime. Add Cxc support to the build module. In the defaults add rm and rmfile macros, add Cxc paths and pre-build script code. In the setbuilder check for a Cxc build and if so and the package allow Cxc build the build host version then the host target version. Add cygiwn support to the defaults processing and to the Windows module.
370 lines
14 KiB
Python
Executable File
370 lines
14 KiB
Python
Executable File
#
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# RTEMS Tools Project (http://www.rtems.org/)
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# Copyright 2010-2012 Chris Johns (chrisj@rtems.org)
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# All rights reserved.
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#
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# This file is part of the RTEMS Tools package in 'rtems-tools'.
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# Execute commands or scripts.
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#
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# Note, the subprocess module is only in Python 2.4 or higher.
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#
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import os
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import re
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import sys
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import subprocess
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import threading
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import error
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import log
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# Redefine the PIPE from subprocess
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PIPE = subprocess.PIPE
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# Regular expression to find quotes.
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qstr = re.compile('[rR]?\'([^\\n\'\\\\]|\\\\.)*\'|[rR]?"([^\\n"\\\\]|\\\\.)*"')
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def check_type(command):
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"""Checks the type of command we have. The types are spawn and
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shell."""
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if command in ['spawn', 'shell']:
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return True
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return False
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def arg_list(args):
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"""Turn a string of arguments into a list suitable for
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spawning a command. If the args are already a list return
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it."""
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if type(args) is list:
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return args
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argstr = args
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args = []
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while len(argstr):
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qs = qstr.search(argstr)
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if not qs:
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args.extend(argstr.split())
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argstr= ''
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else:
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# We have a quoted string. Get the string before
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# the quoted string and splt on white space then
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# add the quoted string as an option then remove
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# the first + quoted string and try again
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front = argstr[:qs.start()]
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args.extend(front.split())
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args.append(argstr[qs.start() + 1:qs.end() - 1])
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argstr = argstr[qs.end():]
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return args
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def arg_subst(command, substs):
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"""Substitute the %[0-9] in the command with the subst values."""
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args = arg_list(command)
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if substs:
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for a in range(0, len(args)):
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for r in range(0, len(substs)):
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args[a] = re.compile(('%%%d' % (r))).sub(substs[r], args[a])
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return args
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def arg_subst_str(command, subst):
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cmd = arg_subst(command, subst)
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def add(x, y): return x + ' ' + str(y)
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return reduce(add, cmd, '')
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class execute:
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"""Execute commands or scripts. The 'output' is a funtion
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that handles the output from the process."""
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def __init__(self, output = None, error_prefix = '', verbose = False):
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self.output = output
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self.error_prefix = error_prefix
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self.verbose = verbose
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self.shell_exe = None
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self.shell_commands = False
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self.path = None
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self.environment = None
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def capture(self, proc, timeout = None):
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"""Create 2 threads to read stdout and stderr and send to the
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output handler. Based on the 'communicate' code in the subprocess
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module."""
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def _readthread(fh, out, prefix = ''):
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"""Read from a file handle and write to the output handler
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until the file closes."""
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count = 0
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while True:
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line = fh.readline()
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count += 1
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if len(line) == 0:
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break
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if out:
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out(prefix + line)
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else:
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log.output(prefix + line)
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if count > 10:
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log.flush()
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count = 0
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def _timerthread(proc, timer):
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"""Timer thread calls the timer handler if one
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is present once a second. The user provides a handler
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and returns False to kill the process or True continue."""
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while True:
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time.sleep(1)
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if not timer(proc):
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proc.stdout.close()
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proc.stderr.close()
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if proc.stdout:
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stdout_thread = threading.Thread(target = _readthread,
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args = (proc.stdout,
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self.output,
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''))
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stdout_thread.setDaemon(True)
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stdout_thread.start()
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if proc.stderr:
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stderr_thread = threading.Thread(target = _readthread,
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args = (proc.stderr,
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self.output,
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self.error_prefix))
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stderr_thread.setDaemon(True)
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stderr_thread.start()
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if proc.stdout:
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stdout_thread.join()
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if proc.stderr:
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stderr_thread.join()
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return proc.wait()
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def open(self, command, capture = True, shell = False,
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cwd = None, env = None,
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stdin = None, stdout = None, stderr = None):
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"""Open a command with arguments. Provide the arguments as a list or
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a string."""
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if self.verbose:
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s = command
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if type(command) is list:
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def add(x, y): return x + ' ' + str(y)
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s = reduce(add, command, '')[1:]
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what = 'spawn'
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if shell:
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what = 'shell'
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log.output(what + ': ' + s)
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if shell and self.shell_exe:
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command = arg_list(command)
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command[:0] = self.shell_exe
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if not stdout:
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stdout = subprocess.PIPE
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if not stderr:
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stderr = subprocess.PIPE
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proc = None
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if cwd is None:
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cwd = self.path
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if env is None:
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env = self.environment
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try:
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# Work around a problem on Windows with commands that
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# have a '.' and no extension. Windows needs the full
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# command name.
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if sys.platform == "win32" and type(command) is list:
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if command[0].find('.') >= 0:
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r, e = os.path.splitext(command[0])
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if e not in ['.exe', '.com', '.bat']:
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command[0] = command[0] + '.exe'
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proc = subprocess.Popen(command, shell = shell,
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cwd = cwd, env = env,
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stdin = stdin, stdout = stdout,
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stderr = stderr)
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if not capture:
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return (0, proc)
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exit_code = self.capture(proc)
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if self.verbose:
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log.output('exit: ' + str(exit_code))
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except OSError, ose:
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exit_code = ose.errno
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if self.verbose:
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log.output('exit: ' + str(ose))
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return (exit_code, proc)
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def spawn(self, command, capture = True, cwd = None, env = None,
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stdin = None, stdout = None, stderr = None):
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"""Spawn a command with arguments. Provide the arguments as a list or
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a string."""
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return self.open(command, capture, False, cwd, env,
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stdin, stdout, stderr)
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def shell(self, command, capture = True, cwd = None, env = None,
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stdin = None, stdout = None, stderr = None):
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"""Execute a command within a shell context. The command can contain
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argumments. The shell is specific to the operating system. For example
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it is cmd.exe on Windows XP."""
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return self.open(command, capture, True, cwd, env,
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stdin, stdout, stderr)
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def command(self, command, args = None, capture = True, shell = False,
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cwd = None, env = None,
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stdin = None, stdout = None, stderr = None):
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"""Run the command with the args. The args can be a list
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or a string."""
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if args and not type(args) is list:
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args = arg_list(args)
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cmd = [command]
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if args:
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cmd.extend(args)
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return self.open(cmd, capture = capture, shell = shell,
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cwd = cwd, env = env,
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stdin = stdin, stdout = stdout, stderr = stderr)
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def command_subst(self, command, substs, capture = True, shell = False,
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cwd = None, env = None,
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stdin = None, stdout = None, stderr = None):
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"""Run the command from the config data with the
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option format string subsituted with the subst variables."""
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args = arg_subst(command, substs)
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return self.command(args[0], args[1:], capture = capture,
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shell = shell or self.shell_commands,
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cwd = cwd, env = env,
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stdin = stdin, stdout = stdout, stderr = stderr)
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def set_shell(self, execute):
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"""Set the shell to execute when issuing a shell command."""
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args = arg_list(execute)
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if len(args) == 0 or not os.path.isfile(args[0]):
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raise error.general('could find shell: ' + execute)
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self.shell_exe = args
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def command_use_shell(self):
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"""Force all commands to use a shell. This can be used with set_shell
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to allow Unix commands be executed on Windows with a Unix shell such
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as Cygwin or MSYS. This may cause piping to fail."""
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self.shell_commands = True
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def set_output(self, output):
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"""Set the output handler. The stdout of the last process in a pipe
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line is passed to this handler."""
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old_output = self.output
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self.output = output
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return old_output
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def set_path(self, path):
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"""Set the path changed to before the child process is created."""
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old_path = self.path
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self.path = path
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return old_path
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def set_environ(self, environment):
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"""Set the environment passed to the child process when created."""
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old_environment = self.environment
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self.environment = environment
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return old_environment
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class capture_execution(execute):
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"""Capture all output as a string and return it."""
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class _output_snapper:
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def __init__(self, log = None, dump = False):
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self.output = ''
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self.log = log
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self.dump = dump
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def handler(self, text):
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if not self.dump:
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if self.log is not None:
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self.log.output(text)
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else:
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self.output += text
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def get_and_clear(self):
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text = self.output
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self.output = ''
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return text.strip()
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def __init__(self, log = None, dump = False, error_prefix = '', verbose = False):
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self.snapper = capture_execution._output_snapper(log = log, dump = dump)
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execute.__init__(self, output = self.snapper.handler,
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error_prefix = error_prefix,
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verbose = verbose)
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def open(self, command, capture = True, shell = False, cwd = None, env = None,
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stdin = None, stdout = None, stderr = None):
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if not capture:
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raise error.general('output capture must be true; leave as default')
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#self.snapper.get_and_clear()
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exit_code, proc = execute.open(self, command, capture = True, shell = shell,
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cwd = cwd, env = env,
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stdin = stdin, stdout = stdout, stderr = stderr)
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return (exit_code, proc, self.snapper.get_and_clear())
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def set_output(self, output):
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raise error.general('output capture cannot be overrided')
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if __name__ == "__main__":
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def run_tests(e, commands, use_shell):
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for c in commands['shell']:
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e.shell(c)
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for c in commands['spawn']:
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e.spawn(c)
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for c in commands['cmd']:
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if type(c) is str:
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e.command(c, shell = use_shell)
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else:
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e.command(c[0], c[1], shell = use_shell)
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for c in commands['csubsts']:
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e.command_subst(c[0], c[1], shell = use_shell)
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ec, proc = e.command(commands['pipe'][0], commands['pipe'][1],
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capture = False, stdin = subprocess.PIPE)
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if ec == 0:
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print 'piping input into ' + commands['pipe'][0] + ': ' + \
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commands['pipe'][2]
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proc.stdin.write(commands['pipe'][2])
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proc.stdin.close()
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e.capture(proc)
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del proc
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cmd_shell_test = 'if "%OS%" == "Windows_NT" (echo It is WinNT) else echo Is is not WinNT'
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sh_shell_test = 'x="me"; if [ $x = "me" ]; then echo "It was me"; else "It was him"; fi'
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commands = {}
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commands['windows'] = {}
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commands['unix'] = {}
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commands['windows']['shell'] = ['cd', 'dir /w', '.\\xyz', cmd_shell_test]
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commands['windows']['spawn'] = ['hostname', 'hostnameZZ', ['netstat', '/e']]
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commands['windows']['cmd'] = [('ipconfig'), ('nslookup', 'www.python.org')]
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commands['windows']['csubsts'] = [('netstat %0', ['-a']),
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('netstat %0 %1', ['-a', '-n'])]
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commands['windows']['pipe'] = ('ftp', None, 'help\nquit')
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commands['unix']['shell'] = ['pwd', 'ls -las', './xyz', sh_shell_test]
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commands['unix']['spawn'] = ['ls', 'execute.pyc', ['ls', '-i']]
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commands['unix']['cmd'] = [('date'), ('date', '-R'), ('date', ['-u', '+%d %D']),
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('date', '-u "+%d %D %S"')]
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commands['unix']['csubsts'] = [('date %0 "+%d %D %S"', ['-u']),
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('date %0 %1', ['-u', '+%d %D %S'])]
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commands['unix']['pipe'] = ('grep', 'hello', 'hello world')
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print arg_list('cmd a1 a2 "a3 is a string" a4')
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print arg_list('cmd b1 b2 "b3 is a string a4')
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print arg_subst(['nothing', 'xx-%0-yyy', '%1', '%2-something'],
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['subst0', 'subst1', 'subst2'])
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e = execute(error_prefix = 'ERR: ', verbose = True)
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if sys.platform == "win32":
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run_tests(e, commands['windows'], False)
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if os.path.exists('c:\\msys\\1.0\\bin\\sh.exe'):
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e.set_shell('c:\\msys\\1.0\\bin\\sh.exe --login -c')
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commands['unix']['pipe'] = ('c:\\msys\\1.0\\bin\\grep',
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'hello', 'hello world')
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run_tests(e, commands['unix'], True)
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else:
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run_tests(e, commands['unix'], False)
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del e
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