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Breaking changes
* Client observations that have been requested by sending the Observe option
must now be taken up by the client. The warning that was previously shown
when an observation was shut down due to garbage collection can not be
produced easily in this version, and will result in a useless persisting
observation in the background. (See <>)
* Server resources that expect the library to do handle blockwise by returning
true to `needs_blockwise_assembly` do not allow random initial access any
more; this this is especially problematic with clients that use a different
source port for every package.
The old behavior was prone to triggering an action twice on non-safe methods,
and generating wrong results in block1+block2 scenarios when a later `FETCH
block2:2/x/x` request would be treated as a new operation and return the
result of an empty request body rather than being aligned with an earlier
`FETCH block1:x/x/x` operation.
Version 0.4a1
Security fixes
* 18ddf8c: Proxy now only creates log files when explicitly requested
* Support for secured protocols added (see Experimental Features)
Experimental features
* Support for OSCORE (formerly OSCOAP) and CoAP over DTLS was included
These features both lack proper key management so far, which will be
available in a 0.4 release.
* Added implementations of Resource Directory (RD) server and endpoint
* Support for different transports was added. The transport backends to enable
are chosen heuristically depending on operating system and installed modules.
* Transports for platforms not supporting all POSIX operations to run CoAP
correctly were added (simple6, simplesocketserver). This should allow
running aiocoap on Windows, MacOS and using uvloop, but with some
disadvantages (see the the respective transport documentations).
Breaking changes
* 8641b5c: Blockwise handling is now available as stand-alone responder.
Applications that previously created a Request object rather than using
Protocol.request now need to create a BlockwiseRequest object.
* 8641b5c: The ``.observation`` property can now always be present in
responses, and applications that previously checked for its presence should
now check whether it is None.
* cdfeaeb: The multicast interface using queuewithend was replaced with
asynchronous iterators
* d168f44: Handling of sub-sites changed, subsites' root resources now need to
reside at path ``("",)``
* e50e994: Rename UnsupportedMediaType to UnsupportedContentFormat
* 9add964 and others: The ``.remote`` message property is not necessarily a
tuple any more, and has its own interface
* 25cbf54, c67c2c2: Drop support for Python versions < 3.4.4; the required
version will be incremented to 3.5 soon.
Assorted changes
* 750d88d: Errors from predefined exceptions like BadRequest("...") are now
sent with their text message in the diagnostic payload
* 3c7635f: Examples modernized
* 97fc5f7: Multicast handling changed (but is still not fully supported)
* 933f2b1: Added support for the No-Response option (RFC7967)
* baa84ee: V4MAPPED addresses are now properly displayed as IPv4 addresses
* Test suite is now run at Gitlab, and coverage reported
* b2396bf: Test suite probes for usable hostnames for localhost
* b4c5b1d: Allow running tests with a limited set of extras installed
* General improvements on coverage
Version 0.3
* 4d07615: ICMP errors are handled
* 1b61a29: Accept 'fe80::...%eth0' style addresses
* 3c0120a: Observations provide modern ``async for`` interface
* 4e4ff7c: New demo: file server
* ef2e45e, 991098b, 684ccdd: Messages can be constructed with options,
modified copies can be created with the ``.copy`` method, and default codes
are provided
* 08845f2: Request objects have ``.response_nonraising`` and
``.response_raising`` interfaces for easier error handling
* ab5b88a, c49b5c8: Sites can be nested by adding them to an existing site,
catch-all resources can be created by subclassing PathCapable
Possibly breaking changes
* ab5b88a: Site nesting means that server resources do not get their original
Uri-Path any more
* bc76a7c: Location-{Path,Query} were opaque (bytes) objects instead of
strings; disctinction between accidental and intentional opaque options is
now clarified
Small features
* 2bb645e: set_request_uri allows URI parsing without sending Uri-Host
* e6b4839: Take block1.size_exponent as a sizing hint when sending block1 data
* 9eafd41: Allow passing in a loop into context creation
* 9ae5bdf: ObservableResource: Add update_observation_count
* c9f21a6: Stop client-side observations when unused
* dd46682: Drop dependency on obscure built-in IN module
* a18c067: Add numbers from draft-ietf-core-etch-04
* fabcfd5: .well-known/core supports filtering
* f968d3a: All low-level networking is now done in aiocoap.transports; it's not
really hotpluggable yet and only UDPv6 (with implicit v4 support) is
implemented, but an extension point for alternative transports.
* bde8c42: recvmsg is used instead of recvfrom, requiring some asyncio hacks
Package management
* 01f7232, 0a9d03c: aiocoap-client and -proxy are entry points
* 0e4389c: Establish an extra requirement for LinkHeader