def write_file_config(options, conf_dir=None):
"""Write a configuration file from the given options.
Parameters
----------
options : argparse.Namespace
The options from ArgumentParser
conf_dir : str, optional
A directory for saving the configuration file in. Default is $HOME/.config/opsim4.
"""
parser = configparser.SafeConfigParser()
parser.add_section("Database")
parser.set("Database", "type", options.type)
parser.add_section(options.type)
if options.type == "sqlite":
parser.set(options.type, "save_directory", options.save_dir)
if options.session_id_start is not None:
parser.set(options.type, "session_id_start", options.session_id_start)
if options.type == "mysql" and options.config_path is not None:
parser.set(options.type, "config_path", options.config_path)
if conf_dir is None:
conf_dir = expand_path(os.path.join("$HOME", ".config"))
with open(os.path.join(conf_dir, "opsim4"), 'w') as cfile:
parser.write(cfile)
def write_file_config(options, conf_dir=None):
"""Write a configuration file from the given options.
Parameters
----------
options : argparse.Namespace
The options from ArgumentParser
conf_dir : str, optional
A directory for saving the configuration file in. Default is $HOME/.config/opsim4.
"""
parser = configparser.SafeConfigParser()
parser.add_section("Database")
parser.set("Database", "type", options.type)
parser.add_section(options.type)
parser.set(options.type, "save_directory", options.save_dir)
if options.session_save_dir is not None:
parser.set(options.type, "session_save_directory",
options.session_save_dir)
if options.session_id_start is not None:
parser.set(options.type, "session_id_start", options.session_id_start)
if conf_dir is None:
conf_dir = expand_path(os.path.join("$HOME", ".config"))
with open(os.path.join(conf_dir, "opsim4"), 'w') as cfile:
parser.write(cfile)
def _make_engine(self, sqlite_db=None, alternate_save_path=None):
"""Create the engine for database interactions.
Parameters
----------
sqlite_db : str
The name of the database file for SQLite.
alternate_save_path : str, optional
Specify an alternate path to save the database.
"""
save_path = None
if self.sqlite_save_path is not None:
save_path = expand_path(self.sqlite_save_path)
if alternate_save_path is not None:
save_path = expand_path(alternate_save_path)
if save_path is not None:
sqlite_db = os.path.join(save_path, sqlite_db)
return create_engine("sqlite:///{}".format(sqlite_db))
def _connect(self):
"""Create the database connection for MySQL.
Returns
-------
function
The connection function for MySQL.
"""
if self.mysql_config_path is not None:
conf_path = expand_path(self.mysql_config_path)
else:
conf_path = os.getenv("HOME")
conf_file = os.path.join(conf_path, ".my.cnf")
return mysql.connect(read_default_file=conf_file, db=self.db_name)
def _make_engine(self, sqlite_db=None):
"""Create the engine for database interactions.
Parameters
----------
sqlite_db : str
The name of the database file for SQLite.
"""
if self.db_dialect == "mysql":
return create_engine("mysql://", creator=self._connect)
if self.db_dialect == "sqlite":
if self.sqlite_save_path is not None:
self.sqlite_save_path = expand_path(self.sqlite_save_path)
sqlite_db = os.path.join(self.sqlite_save_path, sqlite_db)
return create_engine("sqlite:///{}".format(sqlite_db))
def read_file_config(conf_file=None, conf_dir=None):
"""Read in a configuration file.
Parameters
----------
conf_file : str, optional
The name of the configuration file. Default is opsim4.
conf_dir : str, optional
The directory location of the configuration file. Default is $HOME/.config
"""
if conf_file is None:
conf_file = "opsim4"
if conf_dir is None:
conf_dir = expand_path(os.path.join("$HOME", ".config"))
full_conf_file = os.path.join(conf_dir, conf_file)
if not os.path.exists(full_conf_file):
return None
parser = configparser.SafeConfigParser()
parser.read(full_conf_file)
return parser
def load(self, ifiles):
"""Load and apply configuration override files.
This function loads the specified configuration files and applies them to the configuration
objects. If input is a directory, it is assumed that all files in that directory are override
files.
Parameters
----------
ifiles : list[str]
A list of files or directories containing configuration overrides.
"""
if ifiles is None:
return
config_files = []
for ifile in ifiles:
ifile = expand_path(ifile)
if os.path.isdir(ifile):
dfiles = os.listdir(ifile)
for dfile in dfiles:
full_dfile = os.path.join(ifile, dfile)
if os.path.isfile(full_dfile):
config_files.append(full_dfile)
if os.path.isdir(full_dfile):
self.survey.alt_proposal_dir = full_dfile
else:
config_files.append(ifile)
if self.survey.alt_proposal_dir is not None:
sys.path.insert(0, self.survey.alt_proposal_dir)
if len(config_files):
load_config(self.survey, config_files)
self.science.load(config_files)
load_config(self.observing_site, config_files)
self.observatory.load(config_files)
load_config(self.downtime, config_files)
load_config(self.sched_driver, config_files)
load_config(self.environment, config_files)
def read_file_config(conf_file=None, conf_dir=None):
"""Read in a configuration file.
Parameters
----------
conf_file : str, optional
The name of the configuration file. Default is opsim4.
conf_dir : str, optional
The directory location of the configuration file. Default is $HOME/.config
"""
if conf_file is None:
conf_file = "opsim4"
if conf_dir is None:
conf_dir = expand_path(os.path.join("$HOME", ".config"))
full_conf_file = os.path.join(conf_dir, conf_file)
if not os.path.exists(full_conf_file):
return None
parser = configparser.SafeConfigParser()
parser.read(full_conf_file)
return parser
def load(self, ifiles):
"""Load and apply configuration override files.
This function loads the specified configuration files and applies them to the configuration
objects. If input is a directory, it is assumed that all files in that directory are override
files.
Parameters
----------
ifiles : list[str]
A list of files or directories containing configuration overrides.
"""
if ifiles is None:
return
config_files = []
for ifile in ifiles:
ifile = expand_path(ifile)
if os.path.isdir(ifile):
dfiles = os.listdir(ifile)
for dfile in dfiles:
full_dfile = os.path.join(ifile, dfile)
if os.path.isfile(full_dfile):
config_files.append(full_dfile)
if os.path.isdir(full_dfile):
self.survey.alt_proposal_dir = full_dfile
else:
config_files.append(ifile)
if len(config_files):
load_config(self.survey, config_files)
self.science.load(config_files)
load_config(self.observing_site, config_files)
self.observatory.load(config_files)
load_config(self.downtime, config_files)
load_config(self.sched_driver, config_files)
load_config(self.environment, config_files)