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Signed-off-by: Damien George <damien@micropython.org>

In CPython 3.12 these invalid str/bytes/fstring escapes will issue a
SyntaxWarning, and so differ to MicroPython.
Signed-off-by: Damien George <damien@micropython.org>

CPython 3.12 implemented hashing for slices, so now differs to MicroPython.
Signed-off-by: Damien George <damien@micropython.org>

Otherwise CPython gives a deprecation warning.

This test is not actually testing inversion of bools, rather that bit of
the test is used to compute the pass/fail result.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

This brings in:
- fixes to: aiohttp, tarfile, lora, gzip
- fixes and improvements to aioble
- deprecation of cbor2 decoder and encoder modules
- new usb package
- new pyusb package
Signed-off-by: Damien George <damien@micropython.org>

Fixes issue #15122.
Signed-off-by: Matt Trentini <matt.trentini@gmail.com>

Signed-off-by: Damien George <damien@micropython.org>

The `cert` argument passed to the verify callback is actually a memoryview.
And the `depth` argument seems to start at 1 for the tested URL.
Signed-off-by: Damien George <damien@micropython.org>

The three-argument form of `.throw()` is deprecated since CPython 3.12.  So
split out into separate tests (with .exp files) the parts of the generator
tests that test more than one argument.
Signed-off-by: Damien George <damien@micropython.org>

And use `asyncio.new_event_loop()` where possible.  This change is needed
because CPython 3.12 deprecated the `get_event_loop()` function.
Signed-off-by: Damien George <damien@micropython.org>

Otherwise escape characters like \s and \W won't work correctly.
Signed-off-by: Damien George <damien@micropython.org>

Eventually this needs to be made a generic call to the underlying VFS.  But
for now this prevents `disk_ioctl()` crashing on non-FAT filesystems.
Signed-off-by: Damien George <damien@micropython.org>

The `run-natmodtests.py` script now properly excludes tests that don't use
the corresponding native module.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

Python code is no longer needed to implement keyword arguments in
`btree.open()`, it can now be done in C.
Signed-off-by: Damien George <damien@micropython.org>

Also define `mp_type_bytearray`.  These all help to write native modules.
Signed-off-by: Brian Pugh <bnp117@gmail.com>
Signed-off-by: Damien George <damien@micropython.org>

This adds support for the TCP_NODELAY socket option for lwIP sockets.
Generally, TCP sockets use the Nagle algorithm and will send data when
an ACK is received or after all previously-sent data has already been
ACKed.

If the TCP_NODELAY option is set for a socket, every write to the socket
will trigger a packet to be sent.
Signed-off-by: Jared Hancock <jared@greezybacon.me>

This adds support to use the Nagle algorithm implemented already in lwIP to
determine when TCP data should be sent.

As currently written, MicroPython will only create packets if there is <25%
remaining in the send buffer.  Using it, sending a small message of ~50
bytes will not trigger output of the message on the network.  So it will
remained queued until the TCP interval timer expires, which can be up to
500ms.

Using Nagle's algorithm, the first write, no matter how small, will
generate a packet on the network.  And sending lots of data still makes
efficient use of the link.

In addition to this, an application designer may choose to always create
packets for every write by setting the TCP_NODELAY socket option.  That's
also implemented in this commit.

Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

This allows querying the GC heap size/used/free values, as well as the
number of alive JsProxy and PyProxy objects, referenced by proxy_c_ref and
proxy_js_ref.
Signed-off-by: Damien George <damien@micropython.org>

And clear the corresponding `proxy_c_ref[c_ref]` entry when the finaliser
runs.  This then allows the C side to (eventually) garbage collect the
corresponding Python object.
Signed-off-by: Damien George <damien@micropython.org>

And clear the corresponding `proxy_js_ref[js_ref]` entry when the finaliser
runs.  This then allows the JavaScript side to (eventually) free the
corresponding JavaScript object.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

So it's possible to know when an external C function is being called at the
top-level, eg by JavaScript without any intermediate C->JS->C calls.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

So that there is a one-to-one correspondence between js_ref and
JsProxy objects.
Signed-off-by: Damien George <damien@micropython.org>

Instead of raising KeyError.  These semantics match JavaScript behaviour
and make it much more seamless to pass Python dicts through to JavaScript
as though they were JavaScript {} objects.
Signed-off-by: Damien George <damien@micropython.org>

This adds a new undefined singleton to Python, that corresponds directly to
JavaScript `undefined`.  It's accessible via `js.undefined`.
Signed-off-by: Damien George <damien@micropython.org>

This reverts part of commit fa23e4b0, to
make it so that Python `None` converts to JavaScript `null` (and JavaScript
`null` already converts to Python `None`).  That's consistent with how the
`json` module converts these values back and forth.
Signed-off-by: Damien George <damien@micropython.org>

When a fatal error occurs it's important to know which precise version it
occurred on in order to be able to decode the crash dump information such
as the backtrace.

By wrapping around the built-in IDF panic handler we can print some extra
information whenever a fatal error occurs.  The message links to a new wiki
page which contains additional information on how to debug ESP32 issues,
and links to the bug reporting issue template.
Signed-off-by: Daniël van de Giessen <daniel@dvdgiessen.nl>

Fixes automatic baudrate calculation results.

Default clock source on this SoC is HSE not PCLK1.  We could fix this by
switching to PCLK1 instead, but two extra complications:

- PCLK1 on this board is a 42.5MHz and the Pyboard CAN sample_point
  calculation requires an exact match, which is harder to hit with this
  source frequency.

- Would be a breaking change for any existing Python code on this board,
  i.e. specifying brp, bs1, bs2 to initialise CAN.

In the future it might be worth looking switching to the PLL source on this
SoC instead, as this is a much higher frequency that would give higher
quality BRS bitrate matches (probably too high without using the second
divider going into the CAN peripheral though, so more code changes needed
also).

This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>

If someone starts from this directory then they won't know they exist,
otherwise.
Signed-off-by: Angus Gratton <angus@redyak.com.au>

ThreadSafeFlag works on the unix port since commit
df08c38c.
Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Olivier Lenoir <olivier.len02@gmail.com>

Changes are:
- main.py: Add gitlab:org/repo, gitlab:org/repo@branch.
- mip.py: Implement install from GitLab.
- README.md: Add mip install gitlab:org/repo@branch example.
Signed-off-by: Olivier Lenoir <olivier.len02@gmail.com>

Signed-off-by: Damien George <damien@micropython.org>

Signed-off-by: Damien George <damien@micropython.org>

And change Py None conversion so it converts to JS undefined.

The semantics for conversion of these objects are then:
- Python None           -> JavaScript undefined
- JavaScript undefined  -> Python None
- JavaScript null       -> Python None

This follows Pyodide:
https://pyodide.org/en/stable/usage/type-conversions.htmlSigned-off-by: Damien George <damien@micropython.org>