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21 Commits

Author SHA1 Message Date
Paul Sokolovsky 4463d8a910 extmod/modbtree: Rename "sync" method to "flush" for consistency. 
Rename recently introduced "sync" method to "flush" for consistency with
usual files.
 2016-12-05 01:50:55 +03:00
w4kpm ec22d1739d extmod/modbtree: Add method to sync the database. 
If you have longish operations on the db (such as logging data) it may
be desirable to periodically sync the database to the disk.  The added
btree.sync() method merely exposes the berkley __bt_sync function to the
user.
 2016-12-02 17:30:53 +11:00
Damien George 75af908c0e extmod: Use mp_raise_OSError helper function. 2016-10-07 13:52:14 +11:00
Damien George 93c4a6a3f7 all: Remove 'name' member from mp_obj_module_t struct. 
One can instead lookup __name__ in the modules dict to get the value.
 2016-09-22 00:23:16 +10:00
Krzysztof Blazewicz 5a5449d4eb extmod/modbtree: do CHECK_ERROR after __bt_seq() 
In `btree_seq()`, when `__bt_seq()` gets called with invalid
`flags` argument it will return `RET_ERROR` and it won't
initialize `val`. If field `data` of uninitialized `val`
is passed to `mp_obj_new_bytes()` it causes a segfault.
 2016-08-24 01:31:16 +03:00
Paul Sokolovsky d79342d33e extmod/modbtree: open(): Add option kwargs. 
Namely: flags, cachesize, pagesize, minkeypage.
 2016-08-06 00:10:22 +03:00
Paul Sokolovsky 3eb532e974 extmod/modbtree: Implement __contains__ operation. 2016-08-02 00:24:59 +03:00
Paul Sokolovsky 99061d1dcb extmod/modbtree: Switch to accepting stream object instead of filename. 
Requires "embedded" BerkeleyDB BTree implementation.
 2016-07-31 00:40:35 +03:00
Paul Sokolovsky 25df419c67 extmod/modbtree: Check __bt_open() return value for error. 2016-07-24 00:29:32 +03:00
Paul Sokolovsky 417dc0c05d extmod/modbtree: Fixes for nanbox build. 2016-07-02 15:58:13 +03:00
Paul Sokolovsky b09cd0e1ec extmod/modbtree: Fix unused argument warning. 2016-07-02 15:21:54 +03:00
Paul Sokolovsky 2f7ebf16de extmod/modbtree: Cleverly implement "for key in btree:" syntax. 
I.e. make it work like btree.keys(), while still not using a separate
iterator type.
 2016-06-23 20:08:37 +03:00
Paul Sokolovsky 6b088a671a extmod/modbtree: Implement keys(), values(), items() iterators. 
Each takes optional args of starting key, ending key, and flags (ending
key inclusive, reverse order).
 2016-06-20 15:50:31 +03:00
Paul Sokolovsky 080137961d extmod/modbtree: open(): Support "in-memory" database with filename=None. 
It's not really in-memory though, just uses anonymous temporary file on
disk.
 2016-06-18 01:31:57 +03:00
Paul Sokolovsky e9739e3315 extmod/modbtree: __getitem__() should raise KeyError for non-existing key. 2016-06-18 01:30:49 +03:00
Paul Sokolovsky e6e7e0e9c5 extmod/modbtree: items(): Implement DESC flag. 2016-06-18 00:47:26 +03:00
Paul Sokolovsky 332545baa3 extmod/modbtree: items(): Implement "end key inclusive" flag. 2016-06-17 00:08:55 +03:00
Paul Sokolovsky d0416ff915 extmod/modbtree: Actually implement end key support for .items(). 2016-06-16 18:16:33 +03:00
Paul Sokolovsky 1babeb47a4 extmod/modbtree: Implement .items() iterator. 2016-06-16 17:31:24 +03:00
Paul Sokolovsky 422396cece extmod/modbtree: Handle default value and error check. 2016-06-15 04:18:44 +03:00
Paul Sokolovsky 8072162170 extmod/modbtree: Initial implementation of "btree" module based on BerkeleyDB. 
This implements basic wrapping of native get/put/seq API, and then dictionary
access protocol. Native API is intended to be superceded going forward.
 2016-06-14 21:51:59 +03:00