suspect-devices/circuitpython/py/objstringio.c, branch 2.2.3 CircuitPython - a Python implementation for teaching coding with microcontrollers https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=2.2.3 2017-08-20T19:02:41+00:00 py/objstringio: Fix regression with handling SEEK_SET. 2017-08-20T19:02:41+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2017-08-20T18:32:17+00:00 urn:sha1:0cd9ab77550eada4def492a3a25286ead71a3b24 For SEEK_SET, offset should be treated as unsigned, to allow full-width stream sizes (e.g. 32-bit instead of 31-bit). This is now fully documented in stream.h. Also, seek symbolic constants are added. py/objstringio: Prevent offset wraparound for io.BytesIO objects. 2017-08-20T19:00:05+00:00 Tom Collins tom.collins@digi.com 2017-05-25T20:53:49+00:00 urn:sha1:168350cd9849b0ab56867c487cfd78ca68c2b228 Too big positive, or too big negative offset values could lead to overflow and address space wraparound and thus access to unrelated areas of memory (a security issue). all: Use the name MicroPython consistently in comments 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. py/objstringio: If created from immutable object, follow copy on write policy. 2017-06-09T14:33:01+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2017-06-05T20:54:21+00:00 urn:sha1:07241cd37a732e4219257e6b2fc67a84085b37f6 Don't create copy of immutable object's contents until .write() is called on BytesIO. py/objstringio: Catch mp_uint_t overflow of stream position in write(). 2017-05-26T03:40:08+00:00 Tom Collins tom.collins@digi.com 2017-05-25T20:41:59+00:00 urn:sha1:e26fb3ad73d1c663f9e6aee45306ce86f8342e1e py/objstringio: Fix StringIO reads at or beyond EOF. 2017-05-15T20:58:04+00:00 Tom Collins tom.collins@digi.com 2017-05-12T20:30:12+00:00 urn:sha1:53461deb04ecddf3be8b8b03024bb8bbc08b9d6b Existing code failed if seek() went past EOF (which is acceptable when writing). py: Use mp_raise_TypeError/mp_raise_ValueError helpers where possible. 2017-03-28T11:37:26+00:00 Damien George damien.p.george@gmail.com 2017-03-28T11:37:26+00:00 urn:sha1:94c41bb06f6482ece0717c5bd63266b8da063caa Saves 168 bytes on bare-arm. py: Add iter_buf to getiter type method. 2017-02-16T07:38:06+00:00 Damien George damien.p.george@gmail.com 2016-01-09T23:14:54+00:00 urn:sha1:ae8d86758631e62466a55d179897d2111c3cb1c1 Allows to iterate over the following without allocating on the heap: - tuple - list - string, bytes - bytearray, array - dict (not dict.keys, dict.values, dict.items) - set, frozenset Allows to call the following without heap memory: - all, any, min, max, sum TODO: still need to allocate stack memory in bytecode for iter_buf. py/objstringio: Allow to specify initial capacity by passing numeric argument. 2017-02-01T21:33:43+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2017-02-01T21:33:43+00:00 urn:sha1:50d3a9df671e5154c13a8218ad0e90fb9e78171f E.g. uio.BytesIO(100) will allocate buffer with 100 bytes of space. py: Use mp_raise_msg helper function where appropriate. 2016-10-17T01:17:37+00:00 Damien George damien.p.george@gmail.com 2016-10-17T01:17:37+00:00 urn:sha1:7d0d7215d2575a2d36d34c9a13b58cade0610a28 Saves the following number of bytes of code space: 176 for bare-arm, 352 for minimal, 272 for unix x86-64, 140 for stmhal, 120 for esp8266.