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sequential, threaded & async HTTP clients using HTTPX

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Luciano Ramalho
2021-10-02 17:12:42 -03:00
parent 7985fda09f
commit 4f1392d21c
12 changed files with 271 additions and 224 deletions
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6
20-futures/getflags/README.adoc
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@@ -14,7 +14,7 @@ Contents:
* <<macos_certificates>>
[[server_setup]]
== Setting up a test server
== Setting up test servers
If you don't already have a local HTTP server for testing,
here are the steps to experiment with the `flags2*` examples
@@ -25,7 +25,7 @@ using just the Python ≥ 3.9 distribution:
. Unzip the _flags.zip_ file, creating a _flags_ directory at _20-futures/getflags/flags/_.
. Open a second shell, go to the _20-futures/getflags/_ directory and run `python3 -m http.server`. This will start a `ThreadingHTTPServer` listening to port 8000, serving the local files. If you open the URL http://localhost:8000/flags/[http://localhost:8000/flags/] with your browser, you'll see a long list of directories named with two-letter country codes from `ad/` to `zw/`.
. Now you can go back to the first shell and run the _flags2*.py_ examples with the default `--server LOCAL` option.
. To test with the `--server DELAY` option, go to _20-futures/getflags/_ and run `python3 slow_server.py`. This binds to port 8001 by default. It will add a .5s delay before each response.
. To test with the `--server DELAY` option, go to _20-futures/getflags/_ and run `python3 slow_server.py`. This binds to port 8001 by default. It will add a random delay of .5s to 5s before each response.
. To test with the `--server ERROR` option, go to _20-futures/getflags/_ and run `python3 slow_server.py 8002 --error-rate .25`.
Each request will have a 25% probability of getting a
https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/418[418 I'm a teapot] response,
@@ -86,7 +86,7 @@ optional arguments:
All arguments are optional. The most important arguments are discussed next.
One option you can't ignore is `-s/--server`: it lets you choose which HTTP server and base URL will be used in the test.
You can pass one of four strings to determine where the script will look for the flags (the strings are case insensitive):
You can pass one of four labels to determine where the script will look for the flags (the labels are case-insensitive):
`LOCAL`:: Use `http://localhost:8000/flags`; this is the default.
You should configure a local HTTP server to answer at port 8000. See <<server_setup>> for instructions.