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python-tuf/examples/client_example
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Jussi Kukkonen 4efd9496dc ngclient: Make DownloadErrors consistent 
Fetcher interface should only raise DownloadErrors,
regardless of the implementation.
 * Make sure fetch() wraps non-DownloadError errors in a DownloadError
 * Make the abstract function private _fetch()
 * Try to be more consistent in doscstrings

This now makes the example client more sensible (when server does not
respond):
    $ ./client_example.py download qwerty
    ...
    Failed to download target qwerty: Failed to download url http://127.0.0.1:8000/metadata/2.root.json

(here the latter part of the error string comes from DownloadError
raised by FetcherInterface.fetch())

Signed-off-by: Jussi Kukkonen <jkukkonen@vmware.com>
2022-02-04 11:03:12 +02:00
..
1.root.json WIP: TUF Python Client Example/Tutorial 2021-12-03 19:57:53 +01:00
client_example.py ngclient: Make DownloadErrors consistent 2022-02-04 11:03:12 +02:00
README.md Simplify README, fix some flows and output 2021-12-03 19:59:01 +01:00

README.md

TUF Client Example

TUF Client Example, using python-tuf.

This TUF Client Example implements the following actions:

  • Client Infrastructure Initialization
  • Download target files from TUF Repository

The example client expects to find a TUF repository running on localhost. We can use the static metadata files in tests/repository_data/repository to set one up.

Run the repository using the Python3 built-in HTTP module, and keep this session running.

   $ python3 -m http.server -d tests/repository_data/repository
   Serving HTTP on :: port 8000 (http://[::]:8000/) ...

How to use the TUF Client Example to download a target file.

$ ./client_example.py download file1.txt