update readme

Author: AndyEveritt

DuetWebAPI/__init__.py

@@ -1 +1 @@
-from DuetWebAPI import DuetWebAPI
+from .DuetWebAPI import DuetWebAPI

README.md

@@ -1,5 +1,5 @@
 # DuetWebAPI
-Python interface to Duet RepRap V2 or V3 firmware. 
+Python interface to Duet RepRap V2 or V3 firmware via Http REST API. 
 
 * Works over IP network.  
 * Does not support passwords on the printer. 
@@ -10,12 +10,8 @@ Python interface to Duet RepRap V2 or V3 firmware.
   as long as they continue V2 V3 abstractaion.
 
 # Install
-* Download the DuetWebAPI.py script. 
-  * Or ```git clone https://github.com/lukeslaboratory/DuetWebAPI```
-  
-* Place it in the directory of the script that is going to include it
-  * Or in any directory in the python library path,
-  * Or create a symbolic link ```ln -s ../DuetWebAPI/DuetWebAPI.py DuetWebAPI.py```
+* add `"git+https://github.com/AndyEveritt/DuetWebAPI.git@master#egg=duetwebapi"` to `requirements.txt`
+* `pip install -r requirements.txt`
 
 # Usage
-* See 'testDWA.py' for examples. 
+* See 'examples.py' for examples. 

examples.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+import DuetWebAPI as DWA
+import json
+
+# Test cases
+
+D100 = DWA.DuetWebAPI('http://192.168.7.100')
+D101 = DWA.DuetWebAPI('http://192.168.7.101')
+D127 = DWA.DuetWebAPI('http://127.0.0.1')
+
+print("Printer Type D100 is ",D100.printerType())
+print("Printer Type D101 is ",D101.printerType())
+print("Printer Type D127 is ",D127.printerType())
+
+print("D100 coordinates are",D100.getCoords())
+d=D101.getCoords()
+print("D101 coordinates are",d)
+print("D101 X axis is ",d['X'])
+
+print("D100 numExtruders ",D100.getNumExtruders())
+print("D101 numExtruders ",D101.getNumExtruders())
+
+print("D100 numTools ",D100.getNumTools())
+print("D101 numTools ",D101.getNumTools())
+
+print("D100 length of config.g ",len(D100.getFilenamed('/sys/config.g')))
+print("D101 length of config.g ",len(D101.getFilenamed('/sys/config.g')))
+
+
+D101.gCode("G91 G1 X0.5 G90")