From 31ceb8495940553650b43034c4f4c31813d36ca4 Mon Sep 17 00:00:00 2001
From: Guanqun Lu <guanqun.lu@gmail.com>
Date: Wed, 12 Sep 2018 16:27:10 +0800
Subject: [PATCH 1/2] add a python script to show the dependencies

---
 scripts/runtime-dep.py | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 scripts/runtime-dep.py

diff --git a/scripts/runtime-dep.py b/scripts/runtime-dep.py
new file mode 100644
index 0000000000000..c6e28ff6cfe68
--- /dev/null
+++ b/scripts/runtime-dep.py
@@ -0,0 +1,32 @@
+# To run this script, you need to install the 'toml' python package and install the 'graphviz' package:
+# pip install toml
+# sudo apt-get install graphviz
+# the first parameter is the runtime folder
+# python ./scripts/runtime-dep.py ./substrate/runtime | dot -Tpng -o output.png
+import sys
+import os
+import toml
+
+if len(sys.argv) != 2:
+    print("needs the runtime folder.")
+    sys.exit(-1)
+
+runtime_dir = sys.argv[1]
+
+files = [os.path.join(runtime_dir, f, 'Cargo.toml') for f in os.listdir(runtime_dir) if os.path.isfile(os.path.join(runtime_dir, f, 'Cargo.toml')) and f != 'example']
+
+print("digraph G {")
+
+
+PREFIX = "substrate-runtime-"
+
+for f in files:
+    manifest = toml.load(f)
+
+    package_name = manifest['package']['name']
+    deps = [d for d in manifest['dependencies'].keys() if d.startswith(PREFIX)]
+
+    for d in deps:
+        print("    \"{}\" -> \"{}\";".format(package_name, d))
+
+print("}")

From 9d2631c6af2b1c235d451db1d198c86d7b8eff2e Mon Sep 17 00:00:00 2001
From: Guanqun Lu <guanqun.lu@gmail.com>
Date: Wed, 12 Sep 2018 19:40:47 +0800
Subject: [PATCH 2/2] add the header line and modify the mod

---
 scripts/runtime-dep.py | 2 ++
 1 file changed, 2 insertions(+)
 mode change 100644 => 100755 scripts/runtime-dep.py

diff --git a/scripts/runtime-dep.py b/scripts/runtime-dep.py
old mode 100644
new mode 100755
index c6e28ff6cfe68..1d0c42b2f57e8
--- a/scripts/runtime-dep.py
+++ b/scripts/runtime-dep.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 # To run this script, you need to install the 'toml' python package and install the 'graphviz' package:
 # pip install toml
 # sudo apt-get install graphviz