def cfg_dir(self, pyemma_cfg_dir):
""" Sets PyEMMAs configuration directory.
Also creates it with some default files, if does not exists. """
if not os.path.exists(pyemma_cfg_dir):
try:
mkdir_p(pyemma_cfg_dir)
except EnvironmentError:
raise ConfigDirectoryException("could not create configuration directory '%s'" % pyemma_cfg_dir)
except NotADirectoryError: # on Python 3
raise ConfigDirectoryException("pyemma cfg dir (%s) is not a directory" % pyemma_cfg_dir)
if not os.path.isdir(pyemma_cfg_dir):
raise ConfigDirectoryException("%s is no valid directory" % pyemma_cfg_dir)
if not os.access(pyemma_cfg_dir, os.W_OK):
raise ConfigDirectoryException("%s is not writeable" % pyemma_cfg_dir)
# give user the default cfg file, if its not there
self.__copy_default_files_to_cfg_dir(pyemma_cfg_dir)
self._cfg_dir = pyemma_cfg_dir
if self.show_config_notification:
stars = '*' * 80
print(stars, '\n',
'Changed PyEMMAs config directory to "{dir}".\n'
'To make this change permanent, export the environment variable'
' "PYEMMA_CFG_DIR" \nto point to this location. Eg. edit your .bashrc file!'
.format(dir=pyemma_cfg_dir), '\n', stars, sep='')
def __copy_default_files_to_cfg_dir(self, target_dir):
try:
os.stat(self.default_config_file)
os.stat(self.default_logging_file)
except OSError:
raise ConfigDirectoryException('Error during accessing default file "%s"' %
self.default_config_file)
files_to_copy = [
self.default_config_file,
self.default_logging_file,
]
dests = [os.path.join(target_dir, os.path.basename(f)) for f in files_to_copy]
for src, dest in zip(files_to_copy, dests):
if not os.path.exists(dest):
shutil.copyfile(src, dest)