From 8c60c4ecefbe1a6fbc3c9e1147559cbf072742af Mon Sep 17 00:00:00 2001
From: Ivan Melnychuk <ivan.melnychuk@pg3.ch>
Date: Tue, 29 Dec 2020 07:18:07 +0100
Subject: [PATCH] allow node.id to be specified and not generated

---
 diagrams/__init__.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/diagrams/__init__.py b/diagrams/__init__.py
index a9e0f0c1..ec57a607 100644
--- a/diagrams/__init__.py
+++ b/diagrams/__init__.py
@@ -284,13 +284,13 @@ class Node:
 
     _height = 1.9
 
-    def __init__(self, label: str = "", **attrs: Dict):
+    def __init__(self, label: str = "", *, nodeid: str = None, **attrs: Dict):
         """Node represents a system component.
 
         :param label: Node label.
         """
-        # Generates an ID for identifying a node.
-        self._id = self._rand_id()
+        # Generates an ID for identifying a node, unless specified
+        self._id = nodeid or self._rand_id()
         self.label = label
 
         # fmt: off