def configure_glpk():
global _glpk_version
if _glpk_version is not None:
return
_glpk_version = _extract_version("")
if registered_executable("glpsol") is None:
return
errcode, results = pyutilib.subprocess.run(
[registered_executable('glpsol').get_path(), "--version"], timelimit=2)
if errcode == 0:
_glpk_version = _extract_version(results)
def configure_glpk():
global _glpk_version
if _glpk_version is not None:
return
_glpk_version = _extract_version("")
if registered_executable("glpsol") is None:
return
errcode, results = pyutilib.subprocess.run(
[registered_executable('glpsol').get_path(), "--version"], timelimit=2)
if errcode == 0:
_glpk_version = _extract_version(results)
def configure_glpk():
global glpk_file_flag
global _glpk_version
if glpk_file_flag is not None:
return
glpk_file_flag = False
if registered_executable("glpsol") is None:
return
errcode, results = pyutilib.subprocess.run(
[registered_executable('glpsol').get_path(), "--version"], timelimit=2)
if errcode == 0:
_glpk_version = _extract_version(results)
glpk_file_flag = _glpk_version >= (4,58,0,0)
def configure_glpk():
global glpk_file_flag
global _glpk_version
if glpk_file_flag is not None:
return
glpk_file_flag = False
if registered_executable("glpsol") is None:
return
errcode, results = pyutilib.subprocess.run(
[registered_executable('glpsol').get_path(), "--version"], timelimit=2)
if errcode == 0:
_glpk_version = _extract_version(results)
glpk_file_flag = _glpk_version >= (4,42,0,0)
def _default_executable(self):
executable = registered_executable('glpsol')
if executable is None:
msg = ("Could not locate the 'glpsol' executable, which is "
"required for solver '%s'")
logger.warning(msg % self.name)
self.enable = False
return None
return executable.get_path()
def _default_executable(self):
executable = registered_executable('glpsol')
if executable is None:
msg = ("Could not locate the 'glpsol' executable, which is "
"required for solver '%s'")
logger.warning(msg % self.name)
self.enable = False
return None
return executable.get_path()
def _apply_solver(self):
if registered_executable('timer'):
self._timer = registered_executable('timer').get_path()
#
# Execute the command
#
if __debug__ and logger.isEnabledFor(logging.DEBUG):
logger.debug("Running %s", self._command.cmd)
# display the log/solver file names prior to execution. this is useful
# in case something crashes unexpectedly, which is not without precedent.
if self._keepfiles:
if self._log_file is not None:
print("Solver log file: '%s'" % self._log_file)
if self._soln_file is not None:
print("Solver solution file: '%s'" % self._soln_file)
if self._problem_files is not []:
print("Solver problem files: %s" % str(self._problem_files))
sys.stdout.flush()
self._rc, self._log = self._execute_command(self._command)
sys.stdout.flush()
return Bunch(rc=self._rc, log=self._log)
def _apply_solver(self):
if registered_executable('timer'):
self._timer = registered_executable('timer').get_path()
#
# Execute the command
#
if __debug__ and logger.isEnabledFor(logging.DEBUG):
logger.debug("Running %s", self._command.cmd)
# display the log/solver file names prior to execution. this is useful
# in case something crashes unexpectedly, which is not without precedent.
if self._keepfiles:
if self._log_file is not None:
print("Solver log file: '%s'" % self._log_file)
if self._soln_file is not None:
print("Solver solution file: '%s'" % self._soln_file)
if self._problem_files is not []:
print("Solver problem files: %s" % str(self._problem_files))
sys.stdout.flush()
self._rc, self._log = self._execute_command(self._command)
sys.stdout.flush()
return Bunch(rc=self._rc, log=self._log)
