bug fix: registry (more usable) and added to factory method

bin/transport

@@ -47,7 +47,7 @@ def wait(jobs):
 
 @app.command(name="apply")
 def apply (path:Annotated[str,typer.Argument(help="path of the configuration file")],
-        index:int = typer.Option(help="index of the item of interest, otherwise everything in the file will be processed")):
+        index:int = typer.Option(default= None, help="index of the item of interest, otherwise everything in the file will be processed")):
     """
     This function applies data transport ETL feature to read data from one source to write it one or several others
     """
@@ -92,19 +92,23 @@ def version():
 
 @app.command()
 def generate (path:Annotated[str,typer.Argument(help="path of the ETL configuration file template (name included)")]):
-	"""
-	This function will generate a configuration template to give a sense of how to create one
-	"""
-	_config = [
-          {
-               "source":{"provider":"http","url":"https://raw.githubusercontent.com/codeforamerica/ohana-api/master/data/sample-csv/addresses.csv"},
-             "target":
+    """
+    This function will generate a configuration template to give a sense of how to create one
+    """
+    _config = [
+            {
+                "source":{"provider":"http","url":"https://raw.githubusercontent.com/codeforamerica/ohana-api/master/data/sample-csv/addresses.csv"},
+                "target":
             [{"provider":"files","path":"addresses.csv","delimiter":","},{"provider":"sqlite","database":"sample.db3","table":"addresses"}]
             }
             ]
-	file = open(path,'w')
-	file.write(json.dumps(_config))
-	file.close()
+    file = open(path,'w')
+    file.write(json.dumps(_config))
+    file.close()
+    print (f"""{CHECK_MARK} Successfully generated a template ETL file at {path}""" )
+    print ("""NOTE: Each line (source or target) is the content of an auth-file""")
+
+
 
 @app.command(name="init")
 def initregistry (email:Annotated[str,typer.Argument(help="email")],
@@ -131,8 +135,11 @@ def register (label:Annotated[str,typer.Argument(help="unique label that will be
     Learn more about auth-file at https://healthcareio.the-phi.com/data-transport
     """
     try:
-        transport.registry.set(label=label,auth_file=auth_file, default=default, path=path)
-        _msg = f"""{CHECK_MARK} Successfully added label "{label}" to data-transport registry"""
+        if transport.registry.exists(path) :
+            transport.registry.set(label=label,auth_file=auth_file, default=default, path=path)
+            _msg = f"""{CHECK_MARK} Successfully added label "{label}" to data-transport registry"""
+        else:
+            _msg = f"""{TIMES_MARK} Registry is not initialized, please initialize the registry (check help)"""
     except Exception as e:
         _msg = f"""{TIMES_MARK} {e}"""
     print (_msg)

transport/__init__.py

@@ -48,10 +48,16 @@ def instance (**_args):
     kwargs      These are arguments that are provider/vendor specific
     """
     global PROVIDERS
-    if not registry.isloaded () :
-        registry.load() if 'path' not in _args else registry.load(_args['path'])
-    if 'label' in _args :
-        _info = registry.load(_args['label'])
+    # if not registry.isloaded () :
+    #     if ('path' in _args and registry.exists(_args['path'] )) or registry.exists():
+    #         registry.load() if 'path' not in _args else registry.load(_args['path'])
+    #         print ([' GOT IT'])
+    # if 'label' in _args and registry.isloaded():
+    #     _info = registry.get(_args['label'])
+    #     if _info :
+    #         #
+    #         _args = dict(_args,**_info)
+
     if 'auth_file' in _args:
         if os.path.exists(_args['auth_file']) :
             #
@@ -67,6 +73,17 @@ def instance (**_args):
         else:
             filename = _args['auth_file']
             raise Exception(f" {filename} was not found or is invalid")
+    if 'provider' not in _args and 'auth_file' not in _args :
+        if not registry.isloaded () :
+            if ('path' in _args and registry.exists(_args['path'] )) or registry.exists():
+                registry.load() if 'path' not in _args else registry.load(_args['path'])
+        if 'label' in _args and registry.isloaded():
+            _info = registry.get(_args['label'])
+            print(_info)
+            if _info :
+                #
+                _args = dict(_args,**_info)
+
     if 'provider' in _args and _args['provider'] in PROVIDERS :
         _info = PROVIDERS[_args['provider']]
         _module = _info['module']
@@ -110,6 +127,8 @@ class get :
     """
     @staticmethod
     def reader (**_args):
+        if not _args :
+            _args['label'] = 'default'
         _args['context'] = 'read'
         return instance(**_args)
     @staticmethod
@@ -117,6 +136,8 @@ class get :
         """
         This function is a wrapper that will return a writer to a database. It disambiguates the interface
         """
+        if not _args :
+            _args['label'] = 'default'
         _args['context'] = 'write'
         return instance(**_args)
     @staticmethod

transport/registry.py

@@ -16,11 +16,20 @@ 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
-    _path = os.sep.join([_path,REGISTRY_FILE])
-    if os.path.exists(_path) :
-        f = open(_path)
+    
+    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):
@@ -45,12 +54,19 @@ def init (email,path=REGISTRY_PATH,override=False):
             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)
@@ -73,7 +89,7 @@ def set (label, auth_file, default=False,path=REGISTRY_PATH) :
             f.write(json.dumps(_config))
             f.close()
         else:
-            _msg = 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"""
+            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