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Support CPython standard library
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It adds size info and uses macros for byte code to make it more
readable.
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Add traceback chain to sys.exec_info()[2].
No actual frame info is added, but just enough to recreate the printed
exception traceback.
Used by the unittest module which collects errors and failures and prints
them at the end.
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This gives access to the function underlying the bound method.
Used in the converted CPython stdlib logging.Formatter class to handle
overrriding a default converter method bound to a class variable.
The method becomes bound when accessed from an instance of that class.
I didn't investigate why CircuitPython turns it into a bound method.
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This sets the __file__ property on MPY modules like how it's done on pure python modules.
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This reverts commit 869024dd6e62905b7e1069b547856a769b3b24ba.
Ctrl-C stopped producing KeyboardInterrupt with this change on CircuitPython.
The Unix and stm32 ports handles Ctrl-C differently with a handler which is
probably why they where not affected.
Fixes #1092
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Add busio.I2CSlave
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This saves code space in builds which use link-time optimization.
The optimization drops the untranslated strings and replaces them
with a compressed_string_t struct. It can then be decompressed to
a c string.
Builds without LTO work as well but include both untranslated
strings and compressed strings.
This work could be expanded to include QSTRs and loaded strings if
a compress method is added to C. Its tracked in #531.
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Escape table was incorrect
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* Fix finding translations with escaped characters.
* Add back \r to translations since its needed by screen.
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Imports generate a lot of garbage so cleaning it up immediately
reduces the likelihood longer lived data structures don't end up in
the middle of the heap.
Fixes #856
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This and the previous 4 commits combined have change in code size of:
bare-arm: -92
minimal x86: -544
unix x64: -544
unix nanbox: -712
stm32: -116
cc3200: -128
esp8266: -348
esp32: -232
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This was accidentally added in 6abede2ca9e221b6aefcaccbda0c89e367507df1
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The existing mp_get_stream_raise() helper does explicit checks that the
input object is a real pointer object, has a non-NULL stream protocol, and
has the desired stream C method (read/write/ioctl). In most cases it is
not necessary to do these checks because it is guaranteed that the input
object has the stream protocol and desired C methods. For example, native
objects that use the stream wrappers (eg mp_stream_readinto_obj) in their
locals dict always have the stream protocol (or else they shouldn't have
these wrappers in their locals dict).
This patch introduces an efficient mp_get_stream() which doesn't do any
checks and just extracts the stream protocol struct. This should be used
in all cases where the argument object is known to be a stream. The
existing mp_get_stream_raise() should be used primarily to verify that an
object does have the correct stream protocol methods.
All uses of mp_get_stream_raise() in py/stream.c have been converted to use
mp_get_stream() because the argument is guaranteed to be a proper stream
object.
This patch improves efficiency of stream operations and reduces code size.
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This patch changes dupterm to call the native C stream methods on the
connected stream objects, instead of calling the Python readinto/write
methods. This is much more efficient for native stream objects like UART
and webrepl and doesn't require allocating a special dupterm array.
This change is a minor breaking change from the user's perspective because
dupterm no longer accepts pure user stream objects to duplicate on. But
with the recent addition of uio.IOBase it is possible to still create such
classes just by inheriting from uio.IOBase, for example:
import uio, uos
class MyStream(uio.IOBase):
def write(self, buf):
# existing write implementation
def readinto(self, buf):
# existing readinto implementation
uos.dupterm(MyStream())
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A port can define QSTR_GLOBAL_DEPENDENCIES to add extra files.
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Via the config value MICROPY_PY_UHASHLIB_SHA256. Default to enabled to
keep backwards compatibility.
Also add default value for the sha1 class, to at least document its
existence.
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