def parse_configuration_files(cfiles, search_path, variable_map = None) :
"""
Locate and parse a collection of configuration files stored in a
TOML format.
:param list(str) cfiles: list of configuration files to load
:param list(str) search_path: list of directories where the files may be located
:param dict variable_map: a set of substitutions for variables in the files
:return dict:an aggregated dictionary of configuration information
"""
config = {}
files_found = []
try :
for cfile in cfiles :
files_found.append(find_file_in_path(cfile, search_path))
except FileNotFoundError as e :
raise ConfigurationException(e.filename, e.strerror)
for filename in files_found :
try :
config.update(parse_configuration_file(filename, variable_map))
except IOError as detail :
raise ConfigurationException(filename, "IO error; {0}".format(str(detail)))
except ValueError as detail :
raise ConfigurationException(filename, "Value error; {0}".format(str(detail)))
except NameError as detail :
raise ConfigurationException(filename, "Name error; {0}".format(str(detail)))
except KeyError as detail :
raise ConfigurationException(filename, "Key error; {0}".format(str(detail)))
except :
raise ConfigurationException(filename, "Unknown error")
return config
def read_json_file(input_file, data_dir=['./', '../', '/']):
"""
Function to read json file and returns the json content as a string
Parameters:
- input_file is any json file which need to be read
- data_dir is the directory structure in which the json file exists
"""
file_name = putils.find_file_in_path(input_file, data_dir)
with open(file_name, "r") as input_json_file:
input_json = input_json_file.read()
return input_json