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.. pull in various doc build fixes that prevented the previous commit from building. This is still "0.54.5", the tag was updated in micropython-ulab (since no functional difference was introduced, only doc and CI differences, I imagine)
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In particular, this closes #3954.
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This unifies the flash config to the settings used by the Boot ROM.
This makes the config unique per board which allows for changing
quad enable and status bit differences per flash device. It also
allows for timing differences due to the board layout.
This change also tweaks linker layout to leave more ram space for
the CircuitPython heap.
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I investigated these cases and confirmed that the fallthrough behavior
was intentional.
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This removes runtime allocations of the cstring version of the qstring.
It is not a size improvement
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This version
* moves source files to reflect module structure
* adds inline documentation suitable for extract_pyi
* incompatibly moves spectrogram to fft
* incompatibly removes "extras"
There are some remaining markup errors in the specific revision of
extmod/ulab but they do not prevent the doc building process from
completing.
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Add support to json.load for any object with readinto
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This way we don't need to load the whole string version of the
json into memory.
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This micropython code is not used in circuitpython
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This can be enforced by pre-commit, but correct it separately to make it easier to review.
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.. add new modules and functions to our shared-bindings stubs
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Ujson should only worry about whitespace before JSON. This becomes apparent when you are using MP stream protocol to read directly from input buffers.
When you attempt to read(1) on a UART (and possibly other protocols) you have to wait for either the byte or the timeout.
Fixes:
- Waiting for a timeout after you have completed reading a correct and complete JSON off the input.
- Raising an OSError after reading a correct and complete JSON off the input.
- Eating more data than semantically owned off the input buffer.
- Blocking to start parsing JSON until the entire JSON body has been loaded into a potentially large, contiguous Python object.
Code you would write before:
```
line = board_busio_uart_port.read_line()
json_dict = json.loads(line)
```
or reaching for fixed buffers and swapping them around in Python.
Code that did not work before that does now:
```
json_dict = json.load(board_busio_uart_port)
```
- This removes the need for intermediate copies of data when reading JSON from micropython stream protocol inputs.
- It also increases total application speed by parsing JSON concurrently with receiving on boards that read from UART via DMA.
- It simplifies code that users write while improving their apps.
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PR#2802 missed the submodule update itself.
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The only delta we were carrying was in the README.
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Protocols are nice, but there is no way for C code to verify whether
a type's "protocol" structure actually implements some particular
protocol. As a result, you can pass an object that implements the
"vfs" protocol to one that expects the "stream" protocol, and the
opposite of awesomeness ensues.
This patch adds an OPTIONAL (but enabled by default) protocol identifier
as the first member of any protocol structure. This identifier is
simply a unique QSTR chosen by the protocol designer and used by each
protocol implementer. When checking for protocol support, instead of
just checking whether the object's type has a non-NULL protocol field,
use `mp_proto_get` which implements the protocol check when possible.
The existing protocols are now named:
protocol_framebuf
protocol_i2c
protocol_pin
protocol_stream
protocol_spi
protocol_vfs
(most of these are unused in CP and are just inherited from MP; vfs and
stream are definitely used though)
I did not find any crashing examples, but here's one to give a flavor of what
is improved, using `micropython_coverage`. Before the change,
the vfs "ioctl" protocol is invoked, and the result is not intelligible
as json (but it could have resulted in a hard fault, potentially):
>>> import uos, ujson
>>> u = uos.VfsPosix('/tmp')
>>> ujson.load(u)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: syntax error in JSON
After the change, the vfs object is correctly detected as not supporting
the stream protocol:
>>> ujson.load(p)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
OSError: stream operation not supported
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subscr.
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Such as moving files, adding directories and changing the label.
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Fixes #1192
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Add option to disable the concurrent write protection
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rename ure, ujson, and uerrno to re, json, and errno
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This allows writing to the filesystem from the host computer and
CircuitPython by increasing the risk of filesystem corruption.
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Fixes #1529
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