fix: env setup

fix: gpencil api change

__init__.py

@@ -19,7 +19,12 @@ bl_info = {
 
 
 
-
+def module_can_be_imported(name):
+    try:
+        __import__(name)
+        return True
+    except ModuleNotFoundError:
+        return False
 
 # UTILITY FUNCTIONS
 def client_list_callback(scene, context):
@@ -114,14 +119,27 @@ classes = {
 }
 
 
-def register():
-    try:
-        import zmq
-    except:
 python_path = Path(bpy.app.binary_path_python)
 cwd_for_subprocesses = python_path.parent
-
 target = get_package_install_directory()
+
+
+def install_pip():
+    # pip can not necessarily be imported into Blender after this
+    get_pip_path = Path(__file__).parent / "libs" / "get-pip.py"
+    subprocess.run([str(python_path), str(get_pip_path)], cwd=cwd_for_subprocesses)
+
+
+def install_package(name):
+    target = get_package_install_directory()
+    subprocess.run([str(python_path), "-m", "pip", "install", name, '--target', target], cwd=cwd_for_subprocesses)
+
+
+def register():
+    if not module_can_be_imported("pip"):
+        install_pip()
+       
+    if not module_can_be_imported("zmq"):
         subprocess.run([str(python_path), "-m", "pip", "install",
                         "zmq", '--target', target], cwd=cwd_for_subprocesses)
 

operators.py

@@ -365,9 +365,9 @@ class SessionSnapUserOperator(bpy.types.Operator):
     def execute(self, context):
         area, region, rv3d = draw.view3d_find()
 
-        client = client.instance.get("Client/{}".format(self.target_client))
-        if client:
-            rv3d.view_location = client[0][1]['location'][0]
+        target_client = client.instance.get("Client/{}".format(self.target_client))
+        if target_client:
+            rv3d.view_location = target_client[0][1]['location'][0]
             rv3d.view_distance = 30.0
 
             return {"FINISHED"}