data-transport/transport/registry.py

98 lines
3.2 KiB
Python

import os
import json
from info import __version__
import copy
import transport
"""
This class manages data from the registry and allows (read only)
@TODO: add property to the DATA attribute
"""
REGISTRY_PATH=os.sep.join([os.environ['HOME'],'.data-transport'])
REGISTRY_FILE= 'transport-registry.json'
DATA = {}
def isloaded ():
return DATA not in [{},None]
def exists (path=REGISTRY_PATH) :
"""
This function determines if there is a registry at all
"""
p = os.path.exists(path)
q = os.path.exists( os.sep.join([path,REGISTRY_FILE]))
print ([p,q, os.sep.join([path,REGISTRY_FILE])])
return p and q
def load (_path=REGISTRY_PATH):
global DATA
if exists(_path) :
path = os.sep.join([_path,REGISTRY_FILE])
f = open(path)
DATA = json.loads(f.read())
f.close()
def init (email,path=REGISTRY_PATH,override=False):
"""
Initializing the registry and will raise an exception in the advent of an issue
"""
p = '@' in email
q = False if '.' not in email else email.split('.')[-1] in ['edu','com','io','ai']
if p and q :
_config = {"email":email,'version':__version__}
if not os.path.exists(path):
os.makedirs(path)
filename = os.sep.join([path,REGISTRY_FILE])
if not os.path.exists(filename) or override == True :
f = open(filename,'w')
f.write( json.dumps(_config))
f.close()
# _msg = f"""{CHECK_MARK} Successfully wrote configuration to {path} from {email}"""
else:
raise Exception (f"""Unable to write configuration, Please check parameters (or help) and try again""")
else:
raise Exception (f"""Invalid Input, {email} is not well formatted, provide an email with adequate format""")
def lookup (label):
global DATA
return label in DATA
def get (label='default') :
global DATA
return copy.copy(DATA[label]) if label in DATA else {}
def set (label, auth_file, default=False,path=REGISTRY_PATH) :
"""
This function will add a label (auth-file data) into the registry and can set it as the default
"""
if label == 'default' :
raise Exception ("""Invalid label name provided, please change the label name and use the switch""")
reg_file = os.sep.join([path,REGISTRY_FILE])
if os.path.exists (auth_file) and os.path.exists(path) and os.path.exists(reg_file):
f = open(auth_file)
_info = json.loads(f.read())
f.close()
f = open(reg_file)
_config = json.loads(f.read())
f.close()
#
# set the proposed label
_object = transport.factory.instance(**_info)
if _object :
_config[label] = _info
if default :
_config['default'] = _info
#
# now we need to write this to the location
f = open(reg_file,'w')
f.write(json.dumps(_config))
f.close()
else:
raise Exception( f"""Unable to load file locate at {path},\nLearn how to generate auth-file with wizard found at https://healthcareio.the-phi.com/data-transport""")
pass
else:
pass
pass