Added readme.python.md for multi API support (#12540)

* Added readme.python.md for multi API support

Author: Ajit Navasare

specification/servicebus/resource-manager/readme.md

@@ -134,45 +134,7 @@ csharp:
 
 ## Python
 
-These settings apply only when `--python` is specified on the command line.
-Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
-Use `--python-mode=update` if you already have a setup.py and just want to update the code itself.
-
-``` yaml $(python) && !$(track2)
-python-mode: create
-python:
-  azure-arm: true
-  license-header: MICROSOFT_MIT_NO_VERSION
-  payload-flattening-threshold: 2
-  namespace: azure.mgmt.servicebus
-  package-name: azure-mgmt-servicebus
-  package-version: 0.5.0
-  clear-output-folder: true
-```
-``` yaml $(python) && $(track2)
-python-mode: create
-azure-arm: true
-license-header: MICROSOFT_MIT_NO_VERSION
-namespace: azure.mgmt.servicebus
-package-name: azure-mgmt-servicebus
-package-version: 0.5.0
-clear-output-folder: true
-```
-
-``` yaml $(python) && $(python-mode) == 'update'
-no-namespace-folders: true
-output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus
-python:
-  no-namespace-folders: true
-  output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus
-```
-``` yaml $(python) && $(python-mode) == 'create'
-basic-setup-py: true
-output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus
-python:
-  basic-setup-py: true
-  output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus
-```
+See configuration in [readme.python.md](./readme.python.md)
 
 ## Go
 

specification/servicebus/resource-manager/readme.python.md

@@ -0,0 +1,87 @@
+## Python
+
+These settings apply only when `--python` is specified on the command line.
+
+``` yaml !$(track2)
+python:
+  azure-arm: true
+  license-header: MICROSOFT_MIT_NO_VERSION
+  payload-flattening-threshold: 2
+  package-name: azure-mgmt-servicebus
+  clear-output-folder: true
+  no-namespace-folders: true
+```
+
+These settings apply only when `--track2` is specified on the command line.
+
+``` yaml $(track2)
+azure-arm: true
+license-header: MICROSOFT_MIT_NO_VERSION
+package-name: azure-mgmt-servicebus
+no-namespace-folders: true
+```
+
+### Python multi-api
+
+Generate all API versions currently shipped for this package
+
+```yaml $(multiapi) && !$(track2)
+batch:
+  - tag: package-2018-01-preview
+  - tag: package-2017-04
+  - tag: package-2015-08
+```
+
+```yaml $(multiapi) && $(track2)
+clear-output-folder: true
+batch:
+  - tag: package-2018-01-preview
+  - tag: package-2017-04
+  - tag: package-2015-08
+  - multiapiscript: true
+```
+
+``` yaml $(multiapiscript)
+output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus/
+clear-output-folder: false
+perform-load: false
+```
+
+### Tag: package-2018-01-preview and python
+
+These settings apply only when `--tag=package-2018-01-preview --python` is specified on the command line.
+Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
+
+``` yaml $(tag) == 'package-2018-01-preview'
+namespace: azure.mgmt.servicebus.v2018_01_01_preview
+output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus/v2018_01_01_preview
+python:
+  namespace: azure.mgmt.servicebus.v2018_01_01_preview
+  output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus/v2018_01_01_preview
+```
+
+### Tag: package-2017-04 and python
+
+These settings apply only when `--tag=package-2017-04 --python` is specified on the command line.
+Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
+
+``` yaml $(tag) == 'package-2017-04'
+namespace: azure.mgmt.servicebus.v2017_04_01
+output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus/v2017_04_01
+python:
+  namespace: azure.mgmt.servicebus.v2017_04_01
+  output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus/v2017_04_01
+```
+
+### Tag: package-2015-08 and python
+
+These settings apply only when `--tag=package-2015-08 --python` is specified on the command line.
+Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
+
+``` yaml $(tag) == 'package-2015-08'
+namespace: azure.mgmt.servicebus.v2015_08_01
+output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus/v2015_08_01
+python:
+  namespace: azure.mgmt.servicebus.v2015_08_01
+  output-folder: $(python-sdks-folder)/servicebus/azure-mgmt-servicebus/azure/mgmt/servicebus/v2015_08_01
+```