def check_for_shell(msys_directory=None):
"""Check various locations for MSYS shell or root directory.
May raise MsysException.
"""
if msys_directory is not None:
try:
dir_path = find_msys_version_subdir(msys_directory)
except MsysException:
pass
else:
return as_shell(dir_path)
try:
shell = os.environ['SHELL']
except KeyError:
pass
else:
if is_msys():
return shell + '.exe'
return shell
try:
dir_path = find_msys_registry()
except LookupError:
pass
else:
return as_shell(dir_path)
return as_shell(input_msys_dir())
def check_for_shell(msys_directory=None):
"""Check various locations for MSYS shell or root directory.
May raise MsysException.
"""
if msys_directory is not None:
try:
dir_path = find_msys_version_subdir(msys_directory)
except MsysException:
pass
else:
return as_shell(dir_path)
try:
shell = os.environ['SHELL']
except KeyError:
pass
else:
if is_msys():
return shell + '.exe'
return shell
try:
dir_path = find_msys_registry()
except LookupError:
pass
else:
return as_shell(dir_path)
return as_shell(input_msys_dir())
def is_msys_mingw():
"""Return true if this in an MinGW/MSYS build
The user may prompted for confirmation so only call this function
once.
"""
if msysio.is_msys():
return 1
if ('MINGW_ROOT_DIRECTORY' in os.environ or os.path.isfile(mingwcfg.path)):
return confirm("Is this an mingw/msys build")
return 0
def is_msys_mingw():
"""Return true if this in an MinGW/MSYS build
The user may prompted for confirmation so only call this function
once.
"""
if msysio.is_msys():
return 1
if ('MINGW_ROOT_DIRECTORY' in os.environ or
os.path.isfile(mingwcfg.path)):
return confirm("Is this an mingw/msys build")
return 0
def check_for_shell(msys_directory=None):
"""Check various locations for MSYS shell or root directory.
May raise MsysException.
"""
if msys_directory is not None:
try:
dir_path = find_msys_version_subdir(msys_directory)
except MsysException:
pass
else:
return as_shell(dir_path)
try:
shell = os.environ['MSYS_ROOT_DIRECTORY']
except KeyError:
pass
else:
if not re.search(r'[\\/]1\.[0-9]', shell):
shell = os.path.join(shell, '1.0')
return os.path.join(shell, 'bin', 'sh.exe')
if is_msys():
try:
return os.environ['WD'] + os.environ['MSYSCON']
except KeyError:
pass
try:
dir_path = find_msys_registry()
except LookupError:
pass
else:
return as_shell(dir_path)
return as_shell(input_msys_dir())
def check_for_shell(msys_directory=None):
"""Check various locations for MSYS shell or root directory.
May raise MsysException.
"""
if msys_directory is not None:
try:
dir_path = find_msys_version_subdir(msys_directory)
except MsysException:
pass
else:
return as_shell(dir_path)
try:
shell = os.environ['MSYS_ROOT_DIRECTORY']
except KeyError:
pass
else:
if not re.search(r'[\\/]1\.[0-9]', shell):
shell = os.path.join(shell, '1.0')
return os.path.join(shell, 'bin', 'sh.exe')
if is_msys():
try:
return os.environ['WD'] + os.environ['MSYSCON']
except KeyError:
pass
try:
dir_path = find_msys_registry()
except LookupError:
pass
else:
return as_shell(dir_path)
return as_shell(input_msys_dir())
class Msys(object):
"""Return a new Msys environment; May raise MsysException
Msys([msys_directory, [require_mingw]])
msys_directory: A string giving the path of the MSYS directory.
Either or both keyword arguments can be omitted. If msys_directory
is not provided then the environment variable SHELL and the Windows
registry are checked. Finally the user is prompted for the directory
path. If require_mingw is True, the default, the mingw directory path
is retrieved from the MSYS fstab file. An MsysException is raised if
the required paths are not found.
"""
_is_msys = is_msys()
def __init__(self, msys_directory=None, require_mingw=None):
"""New environment
May raise MsysException"""
if require_mingw is None:
require_mingw = True
self._environ = os.environ.copy()
self._shell = find_msys_shell(msys_directory)
self._msys_root = os.path.split(os.path.split(
self.shell)[0])[0].lower()
try:
self._mingw_root = find_mingw_root(self.msys_root)
except MsysException:
if require_mingw:
raise
self._mingw_root = None
else:
self.environ['MINGW_ROOT_DIRECTORY'] = self._mingw_root
environ = property(lambda self: self._environ, doc="Environment variables")
shell = property(lambda self: self._shell, doc="MSYS shell program path")
msys_root = property(lambda self: self._msys_root,
doc="MSYS root directory path")
mingw_root = property(lambda self: self._mingw_root,
doc="MinGW root directory path")
is_msys = property(lambda self: self._is_msys,
doc="True if the execution environment is MSYS")
def windows_to_msys(self, path):
"""Return an MSYS translation of an absolute Windows path"""
msys_root = self.msys_root
mingw_root = self.mingw_root
path_lower = path.lower()
if path_lower.startswith(msys_root.lower()):
return '/usr' + path[len(msys_root):].replace(os.sep, '/')
if mingw_root is not None and path_lower.startswith(
mingw_root.lower()):
return '/mingw' + path[len(mingw_root):].replace(os.sep, '/')
drive, tail = os.path.splitdrive(path)
return '/%s%s' % (drive[0], tail.replace(os.sep, '/'))
def msys_to_windows(self, path):
"""Return a Windows translation of an MSYS path
The Unix path separator is uses as it survives the distutils setup
file read process. Raises a ValueError if the path cannot be
translated.
"""
msys_root = self.msys_root
mingw_root = self.mingw_root
if path.startswith('/usr'):
path = msys_root + path[4:]
elif path.startswith('/mingw'):
if mingw_root is None:
raise ValueError('Unable to map the MinGW directory')
path = mingw_root + path[6:]
elif has_drive(path):
path = path[1] + ":" + path[2:]
elif path == '/':
path = msys_root
elif path.startswith('/'):
path = msys_root + path
return path.replace(os.sep, '/')
def run_shell_script(self, script):
"""Run the MSYS shell script and return the shell return code
script is a string representing the contents of the script.
"""
cmd = [self.shell]
if not self._is_msys:
cmd.append('--login')
previous_cwd = os.getcwd()
try:
process = subprocess.Popen(cmd,
stdin=subprocess.PIPE,
env=self.environ)
process.communicate(script)
return process.returncode
finally:
time.sleep(2) # Allow shell subprocesses to terminate.
os.chdir(previous_cwd)
def run_shell_command(self, command):
"""Run the MSYS shell command and return stdout output as a string
command is a list of strings giving the command and its arguments.
The first list entry must be the MSYS path name of a bash shell
script file.
"""
args = [self.shell]
if not self._is_msys:
args.append('--login')
args.extend(command)
previous_cwd = os.getcwd()
try:
return subprocess.Popen(args,
stdout=subprocess.PIPE,
env=self.environ).communicate()[0]
finally:
time.sleep(3) # Allow shell subprocesses to terminate.
os.chdir(previous_cwd)
