This module has not been built in years, since the (removed) esp8266 port.
Delete the code, as it is not likely to be useful in its current form.
Closes: #7015
This is intended (but not entirely verified) to match our esp32 builds.
It does fix accessing https://circuitpython.org, which failed before with
"MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE".
It still doesn't work on a personal website of mine with valid letsencrypt
certificate but I haven't verified whether it works on esp32s2 with CP.
That site only allows TLS 1.3, while this mbedtls only supports up to
1.2.
The version of mbedtls we adopted based on micropython's use has no
TLS 1.3 support, but the one in espressif esp-idf does.
Note: at this time, the ssl module on pico_w never verifies the server
certificate. This means it does not actually provide a higher security
level than regular socket / http protocols.
Before this, CIRCUITPY would start at 1MB anyway. This appeared to work
only because I hadn't checked the actual size of the CIRCUITPY drive,
and because until now the flash hadn't actually crossed that 1MB
boundary into CIRCUITPY storage.
WARNING: on pico_w, upgrading/downgrading CircuitPython across this commit
boundary will erase the CIRCUITPY filesystem. After this commit,
switching between pico and pico_w firmware will erase the CIRCUITPY
filesystem
.. it needs to operate on a FILE* rather than FIL depending on
the build.
Note that this is comparing output to expected, not to cpython dotenv
package. Because run-tests.py starts the CPython interpreter with the
'-S' (skip site initialization) flag, pip-installed packages are
not available for import inside a test file. Instead, the exp
file is generated manually:
```
circuitpython/tests$ python3 circuitpython/dotenv_test.py > circuitpython/dotenv_test.py.exp
```
Unfortunately, the test fails on test e15:
```diff
FAILURE /home/jepler/src/circuitpython/tests/results/circuitpython_dotenv_test.py
--- /home/jepler/src/circuitpython/tests/results/circuitpython_dotenv_test.py.exp 2022-10-04 09:48:16.307703128 -0500
+++ /home/jepler/src/circuitpython/tests/results/circuitpython_dotenv_test.py.out 2022-10-04 09:48:16.307703128 -0500
@@ -14,7 +14,7 @@
line
e13 e13value
e14 None
-e15 e15value
+e15 None
e16 #
e17 def
e18 #has a hash
```
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