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In the webassembly port there is no asyncio run loop running at the top
level. Instead the Python asyncio run loop is scheduled through setTimeout
and run by the outer JavaScript event loop. Because tasks can become
runable from an external (to Python) event (eg a JavaScript callback), the
run loop must be scheduled whenever a task is pushed to the asyncio task
queue, otherwise tasks may be waiting forever on the queue.
Signed-off-by: Damien George <damien@micropython.org>
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This change allows doing a top-level await on an asyncio primitive like
Task and Event.
This feature enables a better interaction and synchronisation between
JavaScript and Python, because `api.runPythonAsync` can now be used (called
from JavaScript) to await on the completion of asyncio primitives.
Signed-off-by: Damien George <damien@micropython.org>
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This allows Python to iterate over JavaScript objects that provide
Symbol.iterator.
Signed-off-by: Damien George <damien@micropython.org>
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This adds a QEMU-based bare metal RISC-V 32 bits port. For the time being
only QEMU's "virt" 32 bits board is supported, using the ilp32 ABI and the
RV32IMC architecture.
The top-level README and the run-tests.py files are updated for this new
port.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
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If the socket timeout is 0 then a failed socket.connect() raises
EINPROGRESS (which is what the lwIP bindings already did), but if the
socket timeout is non-zero then a failed socket.connect() should raise
ETIMEDOUT. The latter is fixed in this commit.
A test is added for these timeout cases.
Signed-off-by: Damien George <damien@micropython.org>
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Support for raw str/bytes already exists, and extending that to raw
f-strings is easy. It also reduces code size because it eliminates an
error message.
Signed-off-by: Damien George <damien@micropython.org>
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This is quite a simple and small change to support concatenation of
adjacent f-strings, and improve compatibility with CPython.
Signed-off-by: Damien George <damien@micropython.org>
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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>
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CPython 3.12 implemented hashing for slices, so now differs to MicroPython.
Signed-off-by: Damien George <damien@micropython.org>
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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>
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Signed-off-by: Damien George <damien@micropython.org>
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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>
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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>
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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>
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Otherwise escape characters like \s and \W won't work correctly.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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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>
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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>
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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>
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This reverts part of commit fa23e4b093f81f03a24187c7ea0c928a9b4a661b, 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>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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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.html
Signed-off-by: Damien George <damien@micropython.org>
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This commit defines a new `JsException` exception type which is used on the
Python side to wrap JavaScript errors. That's then used when a JavaScript
Promise is rejected, and the reason is then converted to a `JsException`
for the Python side to handle.
This new exception is exposed as `jsffi.JsException`.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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JavaScript semantics are such that the caller of an async function does not
need to await that function for it to run to completion. This commit makes
that behaviour also apply to top-level async Python code run via
`runPythonAsync()`.
Signed-off-by: Damien George <damien@micropython.org>
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This allows using JavaScript for..of on Python iterables.
Signed-off-by: Damien George <damien@micropython.org>
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The `reason` in a rejected promise should be an instance of `Error`. That
leads to better error messages on the JavaScript side.
Signed-off-by: Damien George <damien@micropython.org>
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This commit adds a significant portion of the existing MicroPython asyncio
module to the webassembly port, using parts of the existing asyncio code
and some custom JavaScript parts.
The key difference to the standard asyncio is that this version uses the
JavaScript runtime to do the actual scheduling and waiting on events, eg
Promise fulfillment, timeouts, fetching URLs.
This implementation does not include asyncio.run(). Instead one just uses
asyncio.create_task(..) to start tasks and then returns to the JavaScript.
Then JavaScript will run the tasks.
The implementation here tries to reuse as much existing asyncio code as
possible, and gets all the semantics correct for things like cancellation
and asyncio.wait_for. An alternative approach would reimplement Task,
Event, etc using JavaScript Promise's. That approach is very difficult to
get right when trying to implement cancellation (because it's not possible
to cancel a JavaScript Promise).
Signed-off-by: Damien George <damien@micropython.org>
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This a stop-gap until there is a proper fix for this.
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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Two cases, one assigning to a slice.
Closes https://github.com/micropython/micropython/issues/13283
Second is extending a slice from itself, similar logic.
In both cases the problem occurs when m_renew causes realloc to move the
buffer, leaving a dangling pointer behind.
There are more complex and hard to fix cases when either argument is a
memoryview into the buffer, currently resizing to a new address breaks
memoryviews into that object.
Reproducing this bug and confirming the fix was done by running the unix
port under valgrind with GC-aware extensions.
Note in default configurations with GIL this bug exists but has no impact
(the free buffer won't be reused while the function is still executing, and
is no longer referenced after it returns).
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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This optimises the case where a Python function is, for example, stored to
a JavaScript attribute and then later retrieved from Python. The Python
function no longer needs to be a proxy with double proxying needed for the
call from Python -> JavaScript -> Python.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Ports that use axtls cannot run the `test_tls_sites.py` test because the
sites it connects to use advanced ciphers. So skip this test on such
ports, and add a new, simpler test that doesn't require certificate
verification and works with axtls.
Signed-off-by: Damien George <damien@micropython.org>
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This is required because the .mpy native ABI was changed by the
introduction of `mp_proto_fun_t`, see commits:
- 416465d81e911b088836f4e7c37fac2bc0f67917
- 5e3006f1172d0eabbbefeb3268dfb942ec7cf9cd
- e2ff00e81113d7a3f32f860652017644b5d68bf1
And three `mp_binary` functions were added to `mp_fun_table` in
commit d2276f0d41c2fa66a224725fdb2411846c91cf1a.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This allows running tests with a .js/.mjs suffix, and also .py tests using
node and the webassembly port.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This commit implements the 'e' half-float format: 10-bit mantissa, 5-bit
exponent. It uses native _Float16 if supported by the compiler, otherwise
uses custom bitshifting encoding/decoding routines.
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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So that the MicroPython-specific behaviour can be isolated, and the CPython
compatible test don't need a .exp file.
Signed-off-by: Damien George <damien@micropython.org>
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Add `pop()`, `appendleft()`, and `extend()` methods, support iteration
and indexing, and initializing from an existing sequence.
Iteration and indexing (subscription) have independent configuration flags
to enable them. They are enabled by default at the same level that
collections.deque is enabled (the extra features level).
Also add tests for checking new behavior.
Signed-off-by: Damien George <damien@micropython.org>
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This new DMA API corrects possible cache coherency issues on chips with
D-Cache, when working with buffers at arbitrary memory locations (i.e.
supplied by Python code).
The API is used by SPI to fix an issue with corrupt data when reading from
SPI using DMA in certain cases. A regression test is included (it depends
on external hardware connection).
Explanation:
1) It's necessary to invalidate D-Cache after a DMA RX operation completes
in case the CPU reads (or speculatively reads) from the DMA RX region
during the operation. This seems to have been the root cause of issue
#13471 (only when src==dest for this case).
2) More generally, it is also necessary to temporarily mark the first and
last cache lines of a DMA RX operation as "uncached", in case the DMA
buffer shares this cache line with unrelated data. The CPU could
otherwise write the other data at any time during the DMA operation (for
example from an interrupt handler), creating a dirty cache line that's
inconsistent with the DMA result.
Fixes issue #13471.
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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Prune trailing whitespace across the whole project (almost), done
automatically with:
grep -IUrl --color "[[:blank:]]$" --exclude-dir=.git --exclude=*.exp |\
xargs sed -i 's/[[:space:]]*$//'
Exceptions:
- Skip third-party code in lib/ and drivers/cc3100/
- Skip generated code in bluetooth_init_cc2564C_1.5.c
- Preserve command output whitespace in docs, eg:
docs/esp8266/tutorial/repl.rst
Signed-off-by: Phil Howard <phil@gadgetoid.com>
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This test cannot run on boards that have a native USB REPL, so rename it to
indicate that its "special". This makes it easier to run a subset of
tests, for example:
./run-multitests.py multi_bluetooth/ble*.py
./run-multitests.py multi_bluetooth/perf*.py
./run-multitests.py multi_bluetooth/stress*.py
Signed-off-by: Damien George <damien@micropython.org>
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Matches CPython behaviour.
Fixes issue #11530.
Signed-off-by: Damien George <damien@micropython.org>
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When the websocket closes currently, it does not send a proper
"close"-frame, but rather encodes the 0x8800-sequence inside a binary
packet, which is wrong. The close packet is a different kind of websocket
frame, according to https://www.rfc-editor.org/rfc/rfc6455.
This change resolves an error in Firefox when the websocket closes.
Signed-off-by: Felix Dörre <felix@dogcraft.de>
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Adds new tests/documentation for missing name mangling for private class
members.
Signed-off-by: Trent Warlaven <trwbox@gmail.com>
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Signed-off-by: Damien George <damien@micropython.org>
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