From ea12b7f3b28e57970d5e44819e41ed484364871d Mon Sep 17 00:00:00 2001
From: Mark Winter <mwinter@drexel.edu>
Date: Mon, 24 Jan 2022 07:59:25 -0500
Subject: [PATCH] Transparent-ish property wrappers for leversc setting
(autoupdates on changes)
---
src/Python/_property.py | 67 +++++++++++++++++++++++++++++++++++++++--
src/Python/leversc.py | 2 +-
2 files changed, 66 insertions(+), 3 deletions(-)
diff --git a/src/Python/_property.py b/src/Python/_property.py
index bf7e7a5..151ce35 100644
--- a/src/Python/_property.py
+++ b/src/Python/_property.py
@@ -1,8 +1,71 @@
import requests
import json
+
+"""
+Helper classes for handling leversc settings changes
+"""
+class ChangeWrapper:
+ """
+ A wrapper class for bubbling property change updates to leversc class
+ """
+ def __init__(self, parent, incollection):
+ self._parent = parent
+ self._collection = incollection
+
+ def _property_updated(self, childprop):
+ self._parent._property_updated(self)
+
+ def __getitem__(self, keyidx):
+ elem = self._collection.__getitem__(keyidx)
+ if isinstance(elem, (dict,list)):
+ return __class__(self, elem)
+ else:
+ return elem
+
+ def __setitem__(self, keyidx, v):
+ self._collection.__setitem__(keyidx,v)
+ self._property_updated(self)
+
+ """
+ Some Quality-of-life improvements for introspecting the wrappers
+ """
+ def __str__(self):
+ return str(self._collection)
+
+ def __repr__(self):
+ return "%s(%s)"%(__class__.__name__, repr(self._collection))
+
+
+class PropWrapper(ChangeWrapper):
+ """
+ Top-level property that runs setProperty (network send) on change updates
+ """
+ def __init__(self, lsc, propname, incollection):
+ self._leversc = lsc
+ self._propname = propname
+ super(__class__,self).__init__(self,incollection)
+
+ def unwrap(self):
+ """
+ Return an unwrapped version of this property (that can be edited without network overhead)
+ """
+ return self._collection
+
+ def _property_updated(self, childprop):
+ self._leversc.setProperty(self._propname, self._collection)
+
+ def __str__(self):
+ return str(self._collection)
+
+ def __repr__(self):
+ return "%s(%s)"%(__class__.__name__, repr(self._collection))
+
+
# retrieves/sets viewParams, renderParams, uiParams, etc....
-def setProperty(self,propertyName,propertyStruct):
+def setProperty(self,propertyName,propertyStruct):
+ if isinstance(propertyStruct,PropWrapper):
+ propertyStruct = propertyStruct.unwrap()
URL = self._leversc_url("/"+propertyName)
response = requests.post(URL,json=propertyStruct)
@@ -13,4 +76,4 @@ def getProperty(self,propertyName):
if 'list'==type(property):
# view and render params come as 1 element list
property = property[0]
- return property
+ return PropWrapper(self,propertyName,property)
diff --git a/src/Python/leversc.py b/src/Python/leversc.py
index 05ca899..b3fbd69 100644
--- a/src/Python/leversc.py
+++ b/src/Python/leversc.py
@@ -375,7 +375,7 @@ class leversc:
from _property import setProperty,getProperty
@property
def viewParams(self):
- return self.getProperty('viewParams')
+ return self.getProperty('viewParams')
@viewParams.setter
def viewParams(self,VP):
self.setProperty('viewParams',VP)
--
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