CircuitPython - a Python implementation for teaching coding with microcontrollers https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=4.0.0-alpha.3 2018-07-11T20:45:30+00:00 2018-07-11T20:45:30+00:00 Dan Halbert halbert@halwitz.org 2018-07-11T20:45:30+00:00 urn:sha1:7c219600a246d8956d0b23ea3f5d125a820e6b6a 2018-06-12T02:29:26+00:00 Damien George damien.p.george@gmail.com 2018-06-04T05:54:26+00:00 urn:sha1:af0932a7793478f0b90b754d38955d69700b0bee A user class derived from IOBase and implementing readinto/write/ioctl can now be used anywhere a native stream object is accepted. The mapping from C to Python is: stream_p->read --> readinto(buf) stream_p->write --> write(buf) stream_p->ioctl --> ioctl(request, arg) Among other things it allows the user to: - create an object which can be passed as the file argument to print: print(..., file=myobj), and then print will pass all the data to the object via the objects write method (same as CPython) - pass a user object to uio.BufferedWriter to buffer the writes (same as CPython) - use select.select on a user object - register user objects with select.poll, in particular so user objects can be used with uasyncio - create user files that can be returned from user filesystems, and import can import scripts from these user files For example: class MyOut(io.IOBase): def write(self, buf): print('write', repr(buf)) return len(buf) print('hello', file=MyOut()) The feature is enabled via MICROPY_PY_IO_IOBASE which is disabled by default. 2017-12-19T05:59:08+00:00 Damien George damien.p.george@gmail.com 2017-12-19T05:59:08+00:00 urn:sha1:304a3bcc1cf4f272b62a6cd8f14583db84d84189 2017-11-16T02:17:51+00:00 Damien George damien.p.george@gmail.com 2017-11-16T02:17:51+00:00 urn:sha1:4601759bf59e16b860a3f082e9aa4ea78356bf92 This patch simplifies the str creation API to favour the common case of creating a str object that is not forced to be interned. To force interning of a new str the new mp_obj_new_str_via_qstr function is added, and should only be used if warranted. Apart from simplifying the mp_obj_new_str function (and making it have the same signature as mp_obj_new_bytes), this patch also reduces code size by a bit (-16 bytes for bare-arm and roughly -40 bytes on the bare-metal archs). 2017-08-26T02:17:07+00:00 Dan Halbert halbert@halwitz.org 2017-08-26T02:17:07+00:00 urn:sha1:ef61b5ecb59e9b4e37e3e3c023c62d583c23eb16 cpx build compiles and loads and works in repl; test suite not run yet esp8266 not tested yet 2017-08-10T22:46:17+00:00 Scott Shawcroft scott@chickadee.tech 2017-08-10T22:46:17+00:00 urn:sha1:f6a702538a0b3dd72879d65e3acc32520d4371f5 This makes it clear when frozen modules are loaded as opposed to the empty path which represents the current working directory. Furthermore, by splitting the two apart this allows one to control in what order frozen modules are loaded. This is a prerequisite for #56. 2017-07-31T08:35:40+00:00 Alexander Steffen devel.20.webmeister@spamgourmet.com 2017-06-30T07:22:17+00:00 urn:sha1:55f33240f3d7051d4213629e92437a36f1fac50e There were several different spellings of MicroPython present in comments, when there should be only one. 2017-07-28T18:54:59+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2017-07-28T18:41:42+00:00 urn:sha1:456450437fc572d0296d52be0035e135ab6814d8 2017-05-06T15:42:35+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2017-05-06T15:42:35+00:00 urn:sha1:4a4490ffcc906fe88e157dc926be54030c6fbf72 2017-05-02T22:47:08+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2017-05-02T22:47:08+00:00 urn:sha1:d7da2dba07778fa3c0c7873b7c253bde48066e9c The with semantics of this function is close to pkg_resources.resource_stream() function from setuptools, which is the canonical way to access non-source files belonging to a package (resources), regardless of what medium the package uses (e.g. individual source files vs zip archive). In the case of MicroPython, this function allows to access resources which are frozen into the executable, besides accessing resources in the file system. This is initial stage of the implementation, which actually doesn't implement "package" part of the semantics, just accesses frozen resources from "root", or filesystem resource - from current dir.