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annotate python/example/install_and_exec.py @ 929:7c4be71a560b default tip
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| author | Jeff Hammel <k0scist@gmail.com> | 
|---|---|
| date | Mon, 20 Oct 2025 15:22:19 -0700 | 
| parents | 9cb40c01c10a | 
| children | 
| rev | line source | 
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| 650 
9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 1 #!/usr/bin/env python | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 2 # -*- coding: utf-8 -*- | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 3 | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 4 """ | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 5 illustrates installation and execution following installation | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 6 """ | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 7 | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 8 import os | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 9 import subprocess | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 10 import sys | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 11 | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 12 here = os.path.dirname(os.path.realpath(__file__)) | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 13 | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 14 try: | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 15 import gnupg | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 16 print ("gnupg installed") | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 17 except ImportError: | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 18 print ("gnupg not installed") | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 19 subprocess.check_call(['pip', 'install', 'gnupg']) | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 20 args = [sys.executable] + sys.argv | 
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9cb40c01c10a
illustrate downloading a package and rerunning via exec
 Jeff Hammel <k0scist@gmail.com> parents: diff
changeset | 21 os.execl(sys.executable, *args) | 
