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Update 5.3 Restoring Captured Dependencies.txt
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transcripts/5.3 Restoring Captured Dependencies.txt

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01:09 that I used in the previous example, 
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01:12 now I am going to use the requirements.txt file 
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01:15 to reinstall all of these dependencies in their exact same versions listed here. 
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01:19 The command you need for that is pip install-r 
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01:19 The command you need for that is pip install -r 
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01:24 and then you pass the name of the requirements file, 
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01:28 I am going to go ahead and run this now. 
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01:33 As you can see here, this went over 
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02:18 The first step, happens during ongoing development 
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02:22 where you install necessary dependencies as you're working on your program. 
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02:26 For example, you might decide to install the Requests package 
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02:32 because you need to support http downloads in your program. 
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02:32 because you need to support HTTP downloads in your program. 
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02:35 So you would just go ahead and do a pip install requests to install that package. 
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02:39 And when you're ready to deploy your program 
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02:42 or even if you just need to take a snapshot to send to git 
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03:29 Because the output of the pip freeze command also includes 
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03:33 specific version numbers for those packages, 
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03:35 this will recreate the exact same set of dependencies 
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03:38 including secondary dependencies. 
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03:38 including secondary dependencies. 

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