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Damien George d2384efa80 py: Automatically provide weak links from "foo" to "ufoo" module name. 
This commit implements automatic module weak links for all built-in
modules, by searching for "ufoo" in the built-in module list if "foo"
cannot be found.  This means that all modules named "ufoo" are always
available as "foo".  Also, a port can no longer add any other weak links,
which makes strict the definition of a weak link.

It saves some code size (about 100-200 bytes) on ports that previously had
lots of weak links.

Some changes from the previous behaviour:
- It doesn't intern the non-u module names (eg "foo" is not interned),
  which saves code size, but will mean that "import foo" creates a new qstr
  (namely "foo") in RAM (unless the importing module is frozen).
- help('modules') no longer lists non-u module names, only the u-variants;
  this reduces duplication in the help listing.

Weak links are effectively the same as having a set of symbolic links on
the filesystem that is searched last.  So an "import foo" will search
built-in modules first, then all paths in sys.path, then weak links last,
importing "ufoo" if it exists.  Thus a file called "foo.py" somewhere in
sys.path will still have precedence over the weak link of "foo" to "ufoo".

See issues: #1740, #4449, #5229, #5241.
2019-10-22 15:30:52 +11:00
..
argcheck.c
py: Shorten error messages by using contractions and some rewording.
2018-09-20 14:33:10 +10:00
asmarm.c
py/asmarm: Use __builtin___clear_cache instead of __clear_cache.
2019-07-12 16:48:37 +10:00
asmarm.h
py: Add support to save native, viper and asm code to .mpy files.
2019-03-08 15:53:05 +11:00
asmbase.c
py: Define EMIT_MACHINE_CODE as EMIT_NATIVE || EMIT_INLINE_ASM.
2019-06-28 13:54:45 +10:00
asmbase.h
py/asm: Remove need for dummy_data when doing initial assembler passes.
2016-12-09 22:50:58 +11:00
asmthumb.c
py/asmthumb: Support asm_thumb code running on normal ARM processors.
2019-05-01 15:24:21 +10:00
asmthumb.h
py: Add support to save native, viper and asm code to .mpy files.
2019-03-08 15:53:05 +11:00
asmx64.c
py: Add support to save native, viper and asm code to .mpy files.
2019-03-08 15:53:05 +11:00
asmx64.h
py: Add support to save native, viper and asm code to .mpy files.
2019-03-08 15:53:05 +11:00
asmx86.c
py: Add support to save native, viper and asm code to .mpy files.
2019-03-08 15:53:05 +11:00
asmx86.h
py: Add support to save native, viper and asm code to .mpy files.
2019-03-08 15:53:05 +11:00
asmxtensa.c
py: Add new Xtensa-Windowed arch for native emitter.
2019-10-05 13:44:53 +10:00
asmxtensa.h
py/asmxtensa: Add support for Xtensa with windowed registers.
2019-10-05 13:44:08 +10:00
bc0.h
py: Split RAISE_VARARGS opcode into 3 separate ones.
2019-09-26 15:39:50 +10:00
bc.c
py/bc: Don't include mp_decode_uint funcs when not needed.
2019-10-01 12:26:22 +10:00
bc.h
py: Rework and compress second part of bytecode prelude.
2019-10-01 12:26:22 +10:00
binary.c
py/binary: Change mp_uint_t to size_t for index, size, align args.
2019-09-02 13:14:27 +10:00
binary.h
py/binary: Change mp_uint_t to size_t for index, size, align args.
2019-09-02 13:14:27 +10:00
builtin.h
extmod/moduwebsocket: Refactor websocket to uwebsocket.
2019-02-14 00:35:45 +11:00
builtinevex.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
builtinhelp.c
py: Automatically provide weak links from "foo" to "ufoo" module name.
2019-10-22 15:30:52 +11:00
builtinimport.c
py: Automatically provide weak links from "foo" to "ufoo" module name.
2019-10-22 15:30:52 +11:00
compile.c
py: Add new Xtensa-Windowed arch for native emitter.
2019-10-05 13:44:53 +10:00
compile.h
py: Add global default_emit_opt variable to make emit kind persistent.
2019-08-28 12:47:58 +10:00
emit.h
py: Add new Xtensa-Windowed arch for native emitter.
2019-10-05 13:44:53 +10:00
emitbc.c
py: Rework and compress second part of bytecode prelude.
2019-10-01 12:26:22 +10:00
emitcommon.c
py/scope: Optimise scope_find_or_add_id to not need "added" arg.
2018-10-28 00:38:18 +11:00
emitglue.c
py: Integrate sys.settrace feature into the VM and runtime.
2019-08-30 16:44:12 +10:00
emitglue.h
py: Integrate sys.settrace feature into the VM and runtime.
2019-08-30 16:44:12 +10:00
emitinlinethumb.c
py/compile: Support multiple inline asm emitters.
2019-03-14 12:22:25 +11:00
emitinlinextensa.c
py/compile: Support multiple inline asm emitters.
2019-03-14 12:22:25 +11:00
emitnarm.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnative.c
py: Add new Xtensa-Windowed arch for native emitter.
2019-10-05 13:44:53 +10:00
emitnthumb.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnx64.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnx86.c
py/emitnative: Implement yield and yield-from in native emitter.
2018-10-01 13:31:11 +10:00
emitnxtensa.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnxtensawin.c
py: Add new Xtensa-Windowed arch for native emitter.
2019-10-05 13:44:53 +10:00
formatfloat.c
py/formatfloat: Fix case where floats could render with negative digits.
2018-03-01 17:00:02 +11:00
formatfloat.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
frozenmod.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
frozenmod.h
various: Update early copyright years to match actual edit history.
2019-05-17 18:06:11 +10:00
gc.c
various: Add and update my copyright line based on git history.
2019-05-17 18:04:15 +10:00
gc.h
py/gc: Adjust gc_alloc() signature to be able to accept multiple flags.
2018-12-20 17:52:16 +11:00
grammar.h
py: Add support for matmul operator @ as per PEP 465.
2019-09-26 15:12:39 +10:00
lexer.c
py: Add support for matmul operator @ as per PEP 465.
2019-09-26 15:12:39 +10:00
lexer.h
py: Add support for matmul operator @ as per PEP 465.
2019-09-26 15:12:39 +10:00
makemoduledefs.py
py/makedefs: Use io.open with utf-8 encoding when processing source.
2019-04-12 11:34:52 +10:00
makeqstrdata.py
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
makeqstrdefs.py
py/makeqstrdefs.py: Remove unused blacklist.
2019-10-04 17:18:56 +10:00
makeversionhdr.py
py/mpconfig: Move MICROPY_VERSION macros to static ones in mpconfig.h.
2018-12-22 01:40:38 +11:00
malloc.c
py/malloc: Give a compile warning if using finaliser without GC.
2018-07-09 14:40:02 +10:00
map.c
py: Downcase MP_xxx_SLOT_IS_FILLED inline functions.
2019-02-12 14:54:51 +11:00
misc.h
py/misc.h: Rename _MP_STRINGIFY to not use leading underscore in ident.
2019-05-09 17:11:33 +10:00
mkenv.mk
tools/makemanifest.py: Eval relative paths w.r.t. current manifest file.
2019-10-21 23:01:41 +11:00
mkrules.mk
py/mkrules.mk: Add warning/error for invalid frozen config.
2019-10-21 23:21:04 +11:00
modarray.c
py: Allow registration of modules at their definition.
2019-03-08 22:46:43 +11:00
modbuiltins.c
py: Downcase MP_xxx_SLOT_IS_FILLED inline functions.
2019-02-12 14:54:51 +11:00
modcmath.c
py: Change obsolete "///" comment formatting to normal comments.
2017-08-30 21:02:00 +10:00
modcollections.c
py/objdeque: Implement ucollections.deque type with fixed size.
2018-02-21 22:39:25 +11:00
modgc.c
py: Change obsolete "///" comment formatting to normal comments.
2017-08-30 21:02:00 +10:00
modio.c
py/modio: Call mp_import_name to do resource stream import.
2019-07-31 22:37:44 +10:00
modmath.c
py/modmath: Implement math.isclose() for non-complex numbers.
2019-08-17 23:23:17 +10:00
modmicropython.c
py/scheduler: Rename sched_stack to sched_queue.
2019-07-17 16:09:32 +10:00
modstruct.c
py/binary: Change mp_uint_t to size_t for index, size, align args.
2019-09-02 13:14:27 +10:00
modsys.c
py: Integrate sys.settrace feature into the VM and runtime.
2019-08-30 16:44:12 +10:00
modthread.c
py: Downcase MP_xxx_SLOT_IS_FILLED inline functions.
2019-02-12 14:54:51 +11:00
moduerrno.c
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
mpconfig.h
py: Automatically provide weak links from "foo" to "ufoo" module name.
2019-10-22 15:30:52 +11:00
mperrno.h
py/mperrno: Define MP_EWOULDBLOCK as EWOULDBLOCK, not EAGAIN.
2018-05-01 15:53:25 +10:00
mphal.h
lib/utils/sys_stdio_mphal: Add support to poll sys.stdin and sys.stdout.
2019-07-01 17:10:12 +10:00
mpprint.c
py/mpprint: Support printing %ld and %lu formats on 64-bit archs.
2019-04-23 12:40:15 +10:00
mpprint.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
mpstate.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
mpstate.h
extmod/modbluetooth: Add low-level Python BLE API.
2019-10-01 09:51:02 +10:00
mpthread.h
all: Unify header guard usage.
2017-07-18 11:57:39 +10:00
mpz.c
py/mpz: Avoid undefined behavior at integer overflow in mpz_hash.
2018-05-21 12:48:26 +10:00
mpz.h
py/mpz: Simplify handling of borrow and quo adjustment in mpn_div.
2017-12-29 14:05:48 +11:00
nativeglue.c
py/emitnative: Add support for using setjmp with native emitter.
2019-10-05 13:41:58 +10:00
nlr.c
py/nlr: Fix missing trailing characters in comments in nlr.c
2017-12-29 22:24:53 +11:00
nlr.h
py: Add new Xtensa-Windowed arch for native emitter.
2019-10-05 13:44:53 +10:00
nlrsetjmp.c
py/nlr: Factor out common NLR code to macro and generic funcs in nlr.c.
2017-12-28 16:46:30 +11:00
nlrthumb.c
py: Introduce MP_UNREACHABLE macro to annotate unreachable code.
2019-08-19 16:14:33 +10:00
nlrx64.c
py/nlr: Use MP_UNREACHABLE at the end of arch-specific nlr_jump funcs.
2019-08-19 16:14:57 +10:00
nlrx86.c
py/nlr: Use MP_UNREACHABLE at the end of arch-specific nlr_jump funcs.
2019-08-19 16:14:57 +10:00
nlrxtensa.c
py/nlr: Use MP_UNREACHABLE at the end of arch-specific nlr_jump funcs.
2019-08-19 16:14:57 +10:00
obj.c
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
obj.h
py: Allow registration of modules at their definition.
2019-03-08 22:46:43 +11:00
objarray.c
py/objarray: Fix amount of free space in array when doing slice assign.
2019-08-15 23:02:04 +10:00
objarray.h
py/objarray: Introduce "memview_offset" alias for "free" field of object
2018-12-20 17:40:48 +11:00
objattrtuple.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objbool.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objboundmeth.c
py/objboundmeth: Support loading generic attrs from the method.
2018-12-06 18:02:41 +11:00
objcell.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objclosure.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objcomplex.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objdeque.c
py/objdeque: Fix sign extension bug when computing len of deque object.
2018-05-11 13:44:50 +10:00
objdict.c
py/objdict: Quote non-string types when used as keys in JSON output.
2019-07-30 16:34:27 +10:00
objenumerate.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objexcept.c
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
objexcept.h
py/objexcept: Make MP_DEFINE_EXCEPTION public so ports can define excs.
2018-03-17 00:31:40 +11:00
objfilter.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objfloat.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objfun.c
py: Rework and compress second part of bytecode prelude.
2019-10-01 12:26:22 +10:00
objfun.h
py: Integrate sys.settrace feature into the VM and runtime.
2019-08-30 16:44:12 +10:00
objgenerator.c
py/emitnative: Add support for archs that cannot read executable data.
2019-10-05 13:42:39 +10:00
objgenerator.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
objgetitemiter.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objint_longlong.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objint_mpz.c
py: remove "if (0)" and "if (false)" branches.
2019-05-06 18:28:28 +10:00
objint.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objint.h
py/modbuiltins: Implement abs() by dispatching to MP_UNARY_OP_ABS.
2017-09-18 00:06:43 +03:00
objlist.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objlist.h
py/obj.h: Move declaration of mp_obj_list_init to objlist.h.
2018-03-13 14:03:15 +11:00
objmap.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objmodule.c
py: Automatically provide weak links from "foo" to "ufoo" module name.
2019-10-22 15:30:52 +11:00
objmodule.h
py: Automatically provide weak links from "foo" to "ufoo" module name.
2019-10-22 15:30:52 +11:00
objnamedtuple.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objnamedtuple.h
py/objnamedtuple: Allow to reuse namedtuple basic functionality.
2017-11-20 09:30:06 +02:00
objnone.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objobject.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objpolyiter.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objproperty.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objrange.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objreversed.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objset.c
py/objset: Remove unused forward declaration and clean up whitespace.
2019-04-15 11:14:22 +10:00
objsingleton.c
all: Remove inclusion of internal py header files.
2017-10-04 12:37:50 +11:00
objslice.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objstr.c
py/objstr: Size-optimise failure path for mp_obj_str_get_buffer.
2019-10-22 13:54:09 +11:00
objstr.h
py/objarray: Add decode method to bytearray.
2019-05-21 14:24:04 +10:00
objstringio.c
py/objstringio: Guard bytesio_stream_p struct w/ MICROPY_PY_IO_BYTESIO.
2019-07-17 16:12:19 +10:00
objstringio.h
py/objstringio: If created from immutable object, follow copy on write policy.
2017-06-09 17:33:01 +03:00
objstrunicode.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
objtuple.c
py/objtuple: Allow compatible subclasses of tuple in mp_obj_tuple_get.
2019-08-31 00:14:11 +10:00
objtuple.h
all: Convert mp_uint_t to mp_unary_op_t/mp_binary_op_t where appropriate
2017-08-29 13:16:30 +10:00
objtype.c
py/objtype: Add type.__bases__ attribute.
2019-10-18 15:20:56 +11:00
objtype.h
py/objtype: Don't expose mp_obj_instance_attr().
2018-06-08 11:48:25 +10:00
objzip.c
py: Downcase all MP_OBJ_IS_xxx macros to make a more consistent C API.
2019-02-12 14:54:51 +11:00
opmethods.c
py/runtime: Add MP_BINARY_OP_CONTAINS as reverse of MP_BINARY_OP_IN.
2017-11-24 14:48:23 +11:00
parse.c
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
parse.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
parsenum.c
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
parsenum.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
parsenumbase.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
parsenumbase.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
persistentcode.c
py/persistentcode: Make .mpy more compact with qstr directly in prelude.
2019-10-15 16:56:27 +11:00
persistentcode.h
py: Add new Xtensa-Windowed arch for native emitter.
2019-10-05 13:44:53 +10:00
profile.c
py: Rework and compress second part of bytecode prelude.
2019-10-01 12:26:22 +10:00
profile.h
py/profile: Add debugging for sys.settrace feature.
2019-08-30 16:48:47 +10:00
py.mk
tools: Add mechanism to provide a manifest of frozen files.
2019-10-15 21:34:23 +11:00
pystack.c
py/pystack: Use "pystack exhausted" as error msg for out of pystack mem.
2018-02-19 00:26:14 +11:00
pystack.h
py: Introduce a Python stack for scoped allocation.
2017-12-11 13:49:09 +11:00
qstr.c
py/qstr: Evaluate find_qstr only once then pass to Q_GET_HASH macro.
2019-02-19 23:44:01 +11:00
qstr.h
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
qstrdefs.h
py/modbuiltins: Make oct/hex work when !MICROPY_PY_BUILTINS_STR_OP_MODULO
2018-09-20 14:41:35 +10:00
reader.c
py/reader: Allow MICROPY_VFS_POSIX to work with MICROPY_READER_POSIX.
2018-06-06 14:28:23 +10:00
reader.h
py: Allow lexer to raise exceptions during construction.
2017-03-14 11:52:05 +11:00
repl.c
py: Rename MP_QSTR_NULL to MP_QSTRnull to avoid intern collisions.
2019-09-26 16:04:56 +10:00
repl.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
ringbuf.c
py/ringbuf: Add helpers for put16/get16.
2019-10-01 09:51:02 +10:00
ringbuf.h
py/ringbuf: Add helpers for put16/get16.
2019-10-01 09:51:02 +10:00
runtime0.h
py/emitnative: Add support for using setjmp with native emitter.
2019-10-05 13:41:58 +10:00
runtime_utils.c
py: mp_call_function_*_protected(): Pass-thru return value if possible.
2017-12-05 00:38:41 +02:00
runtime.c
py/runtime: Fix PEP479 behaviour throwing StopIteration into yield from.
2019-10-04 23:27:00 +10:00
runtime.h
py/nativeglue: Make private glue funs all static, remove commented code.
2019-05-29 21:14:24 +10:00
scheduler.c
py/scheduler: Rename sched_stack to sched_queue.
2019-07-17 16:09:32 +10:00
scope.c
py/scope: Optimise scope_find_or_add_id to not need "added" arg.
2018-10-28 00:38:18 +11:00
scope.h
py/scope: Optimise scope_find_or_add_id to not need "added" arg.
2018-10-28 00:38:18 +11:00
sequence.c
py/sequence: Fix grammar in comment about equality.
2019-07-25 16:37:25 +10:00
showbc.c
py: Rework and compress second part of bytecode prelude.
2019-10-01 12:26:22 +10:00
smallint.c
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
smallint.h
py: Extend nan-boxing config to have 47-bit small integers.
2017-12-11 22:39:12 +11:00
stackctrl.c
py/runtime: Move mp_exc_recursion_depth to runtime and rename to raise.
2017-12-11 13:49:09 +11:00
stackctrl.h
all: Use the name MicroPython consistently in comments
2017-07-31 18:35:40 +10:00
stream.c
py: Update my copyright info on some files.
2019-02-06 00:19:00 +11:00
stream.h
various: Add and update my copyright line based on git history.
2019-05-17 18:04:15 +10:00
unicode.c
py/unicode: Fix check for valid utf8 being stricter about contn chars.
2018-11-26 16:13:08 +11:00
unicode.h
py/objstr: Add check for valid UTF-8 when making a str from bytes.
2017-09-06 16:43:09 +10:00
vm.c
py/runtime: Fix PEP479 behaviour throwing StopIteration into yield from.
2019-10-04 23:27:00 +10:00
vmentrytable.h
py: Split RAISE_VARARGS opcode into 3 separate ones.
2019-09-26 15:39:50 +10:00
vstr.c
various: Add and update my copyright line based on git history.
2019-05-17 18:04:15 +10:00
warning.c
py: Update my copyright info on some files.
2019-02-06 00:19:00 +11:00