streams: Reading by char count from unicode text streams is not implemented.
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@ -33,6 +33,7 @@
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#include "qstr.h"
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#include "obj.h"
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#include "objstr.h"
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#include "runtime.h"
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#include "stream.h"
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#if MICROPY_STREAMS_NON_BLOCK
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#include <errno.h>
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@ -67,6 +68,13 @@ STATIC mp_obj_t stream_read(uint n_args, const mp_obj_t *args) {
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if (n_args == 1 || ((sz = mp_obj_get_int(args[1])) == -1)) {
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return stream_readall(args[0]);
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}
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#if MICROPY_PY_BUILTINS_STR_UNICODE
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if (!o->type->stream_p->is_bytes) {
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mp_not_implemented("Reading from unicode text streams by character count");
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}
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#endif
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byte *buf = m_new(byte, sz);
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int error;
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machine_int_t out_sz = o->type->stream_p->read(o, buf, sz, &error);
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