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How can I call a python script from an asp.net Azure app service?
I have an existing .NET Core / asp.net app service hosted on Azure. I need to call (on demand) a python script to return data based on custom user input.
It does not appear that I can use IronPython, since I need python modules that are built in CPython, which unfortunately aren't supported by IronPython.
The two options I see are:
I might be able to install the right python version and libraries on the app service and call it from the .NET code. This seems like it might be deprecated: https://docs.microsoft.com/en-us/visualstudio/python/publishing-python-web-applications-to-azure-from-visual-studio?view=vs-2017
I can create a whole new and separate app service for just the python script and call it as a REST API on demand from the .NET app service. This seems like overkill, and introduces the problem of opening up a whole new service publicly, which I don't want to do. This also appears to have the limitation that Flask isn't mean for production, so hosting many calls at once is not really workable. https://docs.microsoft.com/en-us/visualstudio/python/publish-to-app-service-windows?view=vs-2017
What is the best way to call a python script on demand from .NET app service on Azure?
python asp.net
azure asked Jan 1 at 10:11
JohnJohn
11
add a comment |
I have an existing .NET Core / asp.net app service hosted on Azure. I need to call (on demand) a python script to return data based on custom user input.
It does not appear that I can use IronPython, since I need python modules that are built in CPython, which unfortunately aren't supported by IronPython.
The two options I see are:
I might be able to install the right python version and libraries on the app service and call it from the .NET code. This seems like it might be deprecated: https://docs.microsoft.com/en-us/visualstudio/python/publishing-python-web-applications-to-azure-from-visual-studio?view=vs-2017
I can create a whole new and separate app service for just the python script and call it as a REST API on demand from the .NET app service. This seems like overkill, and introduces the problem of opening up a whole new service publicly, which I don't want to do. This also appears to have the limitation that Flask isn't mean for production, so hosting many calls at once is not really workable. https://docs.microsoft.com/en-us/visualstudio/python/publish-to-app-service-windows?view=vs-2017
What is the best way to call a python script on demand from .NET app service on Azure?
python asp.net
azure asked Jan 1 at 10:11
JohnJohn
11
If python script is simple, you can consider azure automation python runbook.
– Ivan Yang
Jan 2 at 6:15
I'll look into that. While the script is simple, the libraries it needs to use are definitely NOT simple. If it can't import advanced libraries, it won't work. That's the same reason I can't use IronPython.
– John
Jan 2 at 6:52
Ok, if any problem during the runbook, you can let me know. good luck:)
– Ivan Yang
Jan 2 at 6:59
It looks like that is really only for Azure automation, which isn't the problem I am trying to solve, and wouldn't work as an on demand service (SaaS) anyway.
– John
Jan 2 at 12:56
add a comment |
I have an existing .NET Core / asp.net app service hosted on Azure. I need to call (on demand) a python script to return data based on custom user input.
It does not appear that I can use IronPython, since I need python modules that are built in CPython, which unfortunately aren't supported by IronPython.
The two options I see are:
I might be able to install the right python version and libraries on the app service and call it from the .NET code. This seems like it might be deprecated: https://docs.microsoft.com/en-us/visualstudio/python/publishing-python-web-applications-to-azure-from-visual-studio?view=vs-2017
I can create a whole new and separate app service for just the python script and call it as a REST API on demand from the .NET app service. This seems like overkill, and introduces the problem of opening up a whole new service publicly, which I don't want to do. This also appears to have the limitation that Flask isn't mean for production, so hosting many calls at once is not really workable. https://docs.microsoft.com/en-us/visualstudio/python/publish-to-app-service-windows?view=vs-2017
What is the best way to call a python script on demand from .NET app service on Azure?
python asp.net
azure asked Jan 1 at 10:11
JohnJohn
11
I have an existing .NET Core / asp.net app service hosted on Azure. I need to call (on demand) a python script to return data based on custom user input.
It does not appear that I can use IronPython, since I need python modules that are built in CPython, which unfortunately aren't supported by IronPython.
The two options I see are:
I might be able to install the right python version and libraries on the app service and call it from the .NET code. This seems like it might be deprecated: https://docs.microsoft.com/en-us/visualstudio/python/publishing-python-web-applications-to-azure-from-visual-studio?view=vs-2017
I can create a whole new and separate app service for just the python script and call it as a REST API on demand from the .NET app service. This seems like overkill, and introduces the problem of opening up a whole new service publicly, which I don't want to do. This also appears to have the limitation that Flask isn't mean for production, so hosting many calls at once is not really workable. https://docs.microsoft.com/en-us/visualstudio/python/publish-to-app-service-windows?view=vs-2017
What is the best way to call a python script on demand from .NET app service on Azure?
python asp.net
azure python asp.net
azure asked Jan 1 at 10:11
JohnJohn
11
asked Jan 1 at 10:11
JohnJohn
11
edited Jan 1 at 22:43
John
asked Jan 1 at 10:11
JohnJohn
11
asked Jan 1 at 10:11
JohnJohn
11
asked Jan 1 at 10:11
JohnJohn
11
11
If python script is simple, you can consider azure automation python runbook.
– Ivan Yang
Jan 2 at 6:15
I'll look into that. While the script is simple, the libraries it needs to use are definitely NOT simple. If it can't import advanced libraries, it won't work. That's the same reason I can't use IronPython.
– John
Jan 2 at 6:52
Ok, if any problem during the runbook, you can let me know. good luck:)
– Ivan Yang
Jan 2 at 6:59
It looks like that is really only for Azure automation, which isn't the problem I am trying to solve, and wouldn't work as an on demand service (SaaS) anyway.
– John
Jan 2 at 12:56
add a comment |
If python script is simple, you can consider azure automation python runbook.
– Ivan Yang
Jan 2 at 6:15
I'll look into that. While the script is simple, the libraries it needs to use are definitely NOT simple. If it can't import advanced libraries, it won't work. That's the same reason I can't use IronPython.
– John
Jan 2 at 6:52
Ok, if any problem during the runbook, you can let me know. good luck:)
– Ivan Yang
Jan 2 at 6:59
It looks like that is really only for Azure automation, which isn't the problem I am trying to solve, and wouldn't work as an on demand service (SaaS) anyway.
– John
Jan 2 at 12:56
If python script is simple, you can consider azure automation python runbook.
– Ivan Yang
Jan 2 at 6:15
If python script is simple, you can consider azure automation python runbook.
– Ivan Yang
Jan 2 at 6:15
I'll look into that. While the script is simple, the libraries it needs to use are definitely NOT simple. If it can't import advanced libraries, it won't work. That's the same reason I can't use IronPython.
– John
Jan 2 at 6:52
I'll look into that. While the script is simple, the libraries it needs to use are definitely NOT simple. If it can't import advanced libraries, it won't work. That's the same reason I can't use IronPython.
– John
Jan 2 at 6:52
Ok, if any problem during the runbook, you can let me know. good luck:)
– Ivan Yang
Jan 2 at 6:59
Ok, if any problem during the runbook, you can let me know. good luck:)
– Ivan Yang
Jan 2 at 6:59
It looks like that is really only for Azure automation, which isn't the problem I am trying to solve, and wouldn't work as an on demand service (SaaS) anyway.
– John
Jan 2 at 12:56
It looks like that is really only for Azure automation, which isn't the problem I am trying to solve, and wouldn't work as an on demand service (SaaS) anyway.
– John
Jan 2 at 12:56
add a comment |
1 Answer
1
active
oldest
votes
Per my experience, there are two ways to call a Python script in C# without IronPython.
Directly use
System.Diagnostics.Processin C# to run a command as same as the SO thread Run Command Prompt Commands to get the result via parse the content of the process standard output. Simply to do it, you can usepy2exeto wrap a Python script as a.exefile to avoid for installing Python modules and setting environment variables on Azure App Service. However, considering for concurrency, it's not a good idea for performance.The second option as you said is to deploy a Python script as a REST API in the same instance of Azure Web App. You can follow the blog
Deploying multiple virtual directories to a single Azure Websiteto deploy a flask app with your Python script as a child project via Visual Studio withPTVSto expose an API url likehttps://<your web app name>.azurewebsites.net/pyapiwhich can be called from your ASP.NET viaHttpClient. I tried this solution, it works.
Note: Due to the restriction of Azure Web App sandbox for Local Address Requests, you have to use <your web app name>.azurewebsites.net as hostname, neither localhost or 127.0.0.1.
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
add a comment |
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1 Answer
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active
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votes
1 Answer
1
active
oldest
votes
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oldest
votes
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votes
Per my experience, there are two ways to call a Python script in C# without IronPython.
Directly use
System.Diagnostics.Processin C# to run a command as same as the SO thread Run Command Prompt Commands to get the result via parse the content of the process standard output. Simply to do it, you can usepy2exeto wrap a Python script as a.exefile to avoid for installing Python modules and setting environment variables on Azure App Service. However, considering for concurrency, it's not a good idea for performance.The second option as you said is to deploy a Python script as a REST API in the same instance of Azure Web App. You can follow the blog
Deploying multiple virtual directories to a single Azure Websiteto deploy a flask app with your Python script as a child project via Visual Studio withPTVSto expose an API url likehttps://<your web app name>.azurewebsites.net/pyapiwhich can be called from your ASP.NET viaHttpClient. I tried this solution, it works.
Note: Due to the restriction of Azure Web App sandbox for Local Address Requests, you have to use <your web app name>.azurewebsites.net as hostname, neither localhost or 127.0.0.1.
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
add a comment |
Per my experience, there are two ways to call a Python script in C# without IronPython.
Directly use
System.Diagnostics.Processin C# to run a command as same as the SO thread Run Command Prompt Commands to get the result via parse the content of the process standard output. Simply to do it, you can usepy2exeto wrap a Python script as a.exefile to avoid for installing Python modules and setting environment variables on Azure App Service. However, considering for concurrency, it's not a good idea for performance.The second option as you said is to deploy a Python script as a REST API in the same instance of Azure Web App. You can follow the blog
Deploying multiple virtual directories to a single Azure Websiteto deploy a flask app with your Python script as a child project via Visual Studio withPTVSto expose an API url likehttps://<your web app name>.azurewebsites.net/pyapiwhich can be called from your ASP.NET viaHttpClient. I tried this solution, it works.
Note: Due to the restriction of Azure Web App sandbox for Local Address Requests, you have to use <your web app name>.azurewebsites.net as hostname, neither localhost or 127.0.0.1.
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
add a comment |
Per my experience, there are two ways to call a Python script in C# without IronPython.
Directly use
System.Diagnostics.Processin C# to run a command as same as the SO thread Run Command Prompt Commands to get the result via parse the content of the process standard output. Simply to do it, you can usepy2exeto wrap a Python script as a.exefile to avoid for installing Python modules and setting environment variables on Azure App Service. However, considering for concurrency, it's not a good idea for performance.The second option as you said is to deploy a Python script as a REST API in the same instance of Azure Web App. You can follow the blog
Deploying multiple virtual directories to a single Azure Websiteto deploy a flask app with your Python script as a child project via Visual Studio withPTVSto expose an API url likehttps://<your web app name>.azurewebsites.net/pyapiwhich can be called from your ASP.NET viaHttpClient. I tried this solution, it works.
Note: Due to the restriction of Azure Web App sandbox for Local Address Requests, you have to use <your web app name>.azurewebsites.net as hostname, neither localhost or 127.0.0.1.
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
Per my experience, there are two ways to call a Python script in C# without IronPython.
Directly use
System.Diagnostics.Processin C# to run a command as same as the SO thread Run Command Prompt Commands to get the result via parse the content of the process standard output. Simply to do it, you can usepy2exeto wrap a Python script as a.exefile to avoid for installing Python modules and setting environment variables on Azure App Service. However, considering for concurrency, it's not a good idea for performance.The second option as you said is to deploy a Python script as a REST API in the same instance of Azure Web App. You can follow the blog
Deploying multiple virtual directories to a single Azure Websiteto deploy a flask app with your Python script as a child project via Visual Studio withPTVSto expose an API url likehttps://<your web app name>.azurewebsites.net/pyapiwhich can be called from your ASP.NET viaHttpClient. I tried this solution, it works.
Note: Due to the restriction of Azure Web App sandbox for Local Address Requests, you have to use <your web app name>.azurewebsites.net as hostname, neither localhost or 127.0.0.1.
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
answered Jan 4 at 3:07
Peter PanPeter Pan
11.8k3824
11.8k3824
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If python script is simple, you can consider azure automation python runbook.
– Ivan Yang
Jan 2 at 6:15
I'll look into that. While the script is simple, the libraries it needs to use are definitely NOT simple. If it can't import advanced libraries, it won't work. That's the same reason I can't use IronPython.
– John
Jan 2 at 6:52
Ok, if any problem during the runbook, you can let me know. good luck:)
– Ivan Yang
Jan 2 at 6:59
It looks like that is really only for Azure automation, which isn't the problem I am trying to solve, and wouldn't work as an on demand service (SaaS) anyway.
– John
Jan 2 at 12:56