def config_from_string(basedir,
portnumfile,
config_str,
_valid_config=None,
fpath=None):
"""
load and validate configuration from in-memory string
"""
if _valid_config is None:
_valid_config = _common_valid_config()
if isinstance(config_str, bytes):
config_str = config_str.decode("utf-8")
# load configuration from in-memory string
parser = configutil.get_config_from_string(config_str)
configutil.validate_config(
"<string>" if fpath is None else fpath.path,
parser,
_valid_config,
)
return _Config(
parser,
portnumfile,
basedir,
fpath,
_valid_config,
)
def config_from_string(basedir, portnumfile, config_str, _valid_config=None):
"""
load and validate configuration from in-memory string
"""
if _valid_config is None:
_valid_config = _common_valid_config()
if isinstance(config_str, bytes):
config_str = config_str.decode("utf-8")
# load configuration from in-memory string
parser = configutil.get_config_from_string(config_str)
fname = "<in-memory>"
configutil.validate_config(fname, parser, _valid_config)
return _Config(parser, portnumfile, basedir, fname)
def read_config(basedir, portnumfile, generated_files=[], _valid_config=None):
"""
Read and validate configuration.
:param unicode basedir: directory where configuration data begins
:param unicode portnumfile: filename fragment for "port number" files
:param list generated_files: a list of automatically-generated
configuration files.
:param ValidConfiguration _valid_config: (internal use, optional) a
structure defining valid configuration sections and keys
:returns: :class:`allmydata.node._Config` instance
"""
basedir = abspath_expanduser_unicode(ensure_text(basedir))
if _valid_config is None:
_valid_config = _common_valid_config()
# complain if there's bad stuff in the config dir
_error_about_old_config_files(basedir, generated_files)
# canonicalize the portnum file
portnumfile = os.path.join(basedir, portnumfile)
# (try to) read the main config file
config_fname = os.path.join(basedir, "tahoe.cfg")
try:
parser = configutil.get_config(config_fname)
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
# The file is missing, just create empty ConfigParser.
parser = configutil.get_config_from_string(u"")
configutil.validate_config(config_fname, parser, _valid_config)
# make sure we have a private configuration area
fileutil.make_dirs(os.path.join(basedir, "private"), 0o700)
return _Config(parser, portnumfile, basedir, config_fname)