From 0593aab35bb0b160c20774a93a61b951d90523b1 Mon Sep 17 00:00:00 2001
From: Bruce Payette <brucepay@microsoft.com>
Date: Wed, 3 Aug 2016 14:49:35 -0700
Subject: [PATCH] Checked in PowerShell python interop demo

---
 demos/python/class1.ps1        | 11 ++++++
 demos/python/class1.py         | 18 ++++++++++
 demos/python/demo_script.ps1   | 61 ++++++++++++++++++++++++++++++++++
 demos/python/inline_python.ps1 | 16 +++++++++
 4 files changed, 106 insertions(+)
 create mode 100644 demos/python/class1.ps1
 create mode 100755 demos/python/class1.py
 create mode 100644 demos/python/demo_script.ps1
 create mode 100644 demos/python/inline_python.ps1

diff --git a/demos/python/class1.ps1 b/demos/python/class1.ps1
new file mode 100644
index 000000000..63362fe50
--- /dev/null
+++ b/demos/python/class1.ps1
@@ -0,0 +1,11 @@
+#
+# Wrap python script in such a way to make it easy to
+# consume from powershell
+#
+# The variable $PSScriptRoot points to the directory
+# from which the script was executed. This allows
+# picking up the python script from the same directory
+#
+
+& $PSScriptRoot/class1.py | ConvertFrom-JSON
+
diff --git a/demos/python/class1.py b/demos/python/class1.py
new file mode 100755
index 000000000..23209a920
--- /dev/null
+++ b/demos/python/class1.py
@@ -0,0 +1,18 @@
+#!/usr/bin/python3
+
+import json
+
+# Define a class with a method that returns JSON
+class returnsjson:
+    def method1(this):
+        return json.dumps(['foo',
+                            {
+                                'bar': ('baz', None, 1.0, 2),
+                                'buz': ('foo1', 'foo2', 'foo3')
+                            },
+                            'alpha',
+                            1,2,3])
+
+c = returnsjson()
+print (c.method1())
+                                  
diff --git a/demos/python/demo_script.ps1 b/demos/python/demo_script.ps1
new file mode 100644
index 000000000..4e1bdd3b0
--- /dev/null
+++ b/demos/python/demo_script.ps1
@@ -0,0 +1,61 @@
+#
+# Demo simple interoperation between PowerShell and Python
+
+# Basic execution of a python script fragment
+python -c "print('Hi!')"
+
+# Capture output in a variable
+$data = python -c "print('Hi!')"
+
+# And show the data
+$data
+
+# Use in expressions
+5 + (python -c "print(2 + 3)") + 7
+
+# Create a python script using a PowerShell here-string, no extension
+@"
+#!/usr/bin/python3
+print('Hi!')
+"@ | out-file -encoding ascii hi
+
+# Make it executable
+chmod +x hi
+
+# Run it - shows that PowerShell really is a shell
+./hi
+
+# A mode complex script that outputs JSON
+cat class1.py
+
+# Run the script
+./class1.py
+
+# Capture the data as structured objects (arrays and hashtables)
+$data = ./class1.py | ConvertFrom-JSON
+
+# look at the first element of the returned array
+$data[0]
+
+# Look at the second
+$data[1]
+
+# Get a specific element from the data
+$data[1].buz[1]
+
+# Finally wrap it all up so it looks like a simple PowerShell command
+cat class1.ps1
+
+# And run it, treating the output as structured data.
+(./class1)[1].buz[1]
+
+# Finally a PowerShell script with in-line python
+cat inline_python.ps1
+
+# and run it
+./inline_python
+
+
+####################################
+# cleanup
+rm hi
diff --git a/demos/python/inline_python.ps1 b/demos/python/inline_python.ps1
new file mode 100644
index 000000000..c9026304c
--- /dev/null
+++ b/demos/python/inline_python.ps1
@@ -0,0 +1,16 @@
+#
+# An example showing inline Python code in a PowerShell script
+#
+
+"Hello from PowerShell!"
+
+# Inline Python code in a "here string" which allows for a multi-line script
+python3 -c @"
+print('    Hello from Python!')
+print('    Python and PowerShell get along great!')
+"@
+
+# Back to PowerShell...
+"Back to PowerShell."
+"Bye now!"
+