Mercurial > hg-stable
changeset 47914:c424ff4807e6
wireprotov1peer: update all rpcs to use the new batchable scheme
If desired, we could keep the future class and the function that
upgrades an old style rpc instead of a new style, for extensions.
Differential Revision: https://phab.mercurial-scm.org/D11212
| author | Valentin Gatien-Baron <valentin.gatienbaron@gmail.com> |
|---|---|
| date | Tue, 24 Aug 2021 17:27:16 +0200 |
| parents | cdad6560e832 |
| children | 308e843f24b1 |
| files | hgext/fastannotate/protocol.py hgext/infinitepush/__init__.py hgext/largefiles/proto.py hgext/remotefilelog/fileserverclient.py mercurial/wireprotov1peer.py tests/test-batching.py tests/test-wireproto.py |
| diffstat | 7 files changed, 102 insertions(+), 129 deletions(-) [+] |
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--- a/hgext/fastannotate/protocol.py Tue Aug 24 17:27:16 2021 +0200 +++ b/hgext/fastannotate/protocol.py Tue Aug 24 17:27:16 2021 +0200 @@ -140,12 +140,10 @@ def getannotate(self, path, lastnode=None): if not self.capable(b'getannotate'): ui.warn(_(b'remote peer cannot provide annotate cache\n')) - yield None, None + return None, None else: args = {b'path': path, b'lastnode': lastnode or b''} - f = wireprotov1peer.future() - yield args, f - yield _parseresponse(f.value) + return args, _parseresponse peer.__class__ = fastannotatepeer
--- a/hgext/infinitepush/__init__.py Tue Aug 24 17:27:16 2021 +0200 +++ b/hgext/infinitepush/__init__.py Tue Aug 24 17:27:16 2021 +0200 @@ -431,18 +431,19 @@ @wireprotov1peer.batchable def listkeyspatterns(self, namespace, patterns): if not self.capable(b'pushkey'): - yield {}, None - f = wireprotov1peer.future() + return {}, None self.ui.debug(b'preparing listkeys for "%s"\n' % namespace) - yield { + + def decode(d): + self.ui.debug( + b'received listkey for "%s": %i bytes\n' % (namespace, len(d)) + ) + return pushkey.decodekeys(d) + + return { b'namespace': encoding.fromlocal(namespace), b'patterns': wireprototypes.encodelist(patterns), - }, f - d = f.value - self.ui.debug( - b'received listkey for "%s": %i bytes\n' % (namespace, len(d)) - ) - yield pushkey.decodekeys(d) + }, decode def _readbundlerevs(bundlerepo):
--- a/hgext/largefiles/proto.py Tue Aug 24 17:27:16 2021 +0200 +++ b/hgext/largefiles/proto.py Tue Aug 24 17:27:16 2021 +0200 @@ -184,17 +184,18 @@ @wireprotov1peer.batchable def statlfile(self, sha): - f = wireprotov1peer.future() + def decode(d): + try: + return int(d) + except (ValueError, urlerr.httperror): + # If the server returns anything but an integer followed by a + # newline, newline, it's not speaking our language; if we get + # an HTTP error, we can't be sure the largefile is present; + # either way, consider it missing. + return 2 + result = {b'sha': sha} - yield result, f - try: - yield int(f.value) - except (ValueError, urlerr.httperror): - # If the server returns anything but an integer followed by a - # newline, newline, it's not speaking our language; if we get - # an HTTP error, we can't be sure the largefile is present; - # either way, consider it missing. - yield 2 + return result, decode repo.__class__ = lfileswirerepository
--- a/hgext/remotefilelog/fileserverclient.py Tue Aug 24 17:27:16 2021 +0200 +++ b/hgext/remotefilelog/fileserverclient.py Tue Aug 24 17:27:16 2021 +0200 @@ -63,12 +63,14 @@ raise error.Abort( b'configured remotefile server does not support getfile' ) - f = wireprotov1peer.future() - yield {b'file': file, b'node': node}, f - code, data = f.value.split(b'\0', 1) - if int(code): - raise error.LookupError(file, node, data) - yield data + + def decode(d): + code, data = d.split(b'\0', 1) + if int(code): + raise error.LookupError(file, node, data) + return data + + return {b'file': file, b'node': node}, decode @wireprotov1peer.batchable def x_rfl_getflogheads(self, path): @@ -77,10 +79,11 @@ b'configured remotefile server does not ' b'support getflogheads' ) - f = wireprotov1peer.future() - yield {b'path': path}, f - heads = f.value.split(b'\n') if f.value else [] - yield heads + + def decode(d): + return d.split(b'\n') if d else [] + + return {b'path': path}, decode def _updatecallstreamopts(self, command, opts): if command != b'getbundle':
--- a/mercurial/wireprotov1peer.py Tue Aug 24 17:27:16 2021 +0200 +++ b/mercurial/wireprotov1peer.py Tue Aug 24 17:27:16 2021 +0200 @@ -35,7 +35,7 @@ urlreq = util.urlreq -def batchable_new_style(f): +def batchable(f): """annotation for batchable methods Such methods must implement a coroutine as follows: @@ -68,33 +68,6 @@ return plain -def batchable(f): - def upgraded(*args, **opts): - batchable = f(*args, **opts) - encoded_args_or_res, encoded_res_future = next(batchable) - if not encoded_res_future: - decode = None - else: - - def decode(d): - encoded_res_future.set(d) - return next(batchable) - - return encoded_args_or_res, decode - - setattr(upgraded, '__name__', f.__name__) - return batchable_new_style(upgraded) - - -class future(object): - '''placeholder for a value to be set later''' - - def set(self, value): - if util.safehasattr(self, b'value'): - raise error.RepoError(b"future is already set") - self.value = value - - def encodebatchcmds(req): """Return a ``cmds`` argument value for the ``batch`` command.""" escapearg = wireprototypes.escapebatcharg @@ -372,87 +345,90 @@ @batchable def lookup(self, key): self.requirecap(b'lookup', _(b'look up remote revision')) - f = future() - yield {b'key': encoding.fromlocal(key)}, f - d = f.value - success, data = d[:-1].split(b" ", 1) - if int(success): - yield bin(data) - else: - self._abort(error.RepoError(data)) + + def decode(d): + success, data = d[:-1].split(b" ", 1) + if int(success): + return bin(data) + else: + self._abort(error.RepoError(data)) + + return {b'key': encoding.fromlocal(key)}, decode @batchable def heads(self): - f = future() - yield {}, f - d = f.value - try: - yield wireprototypes.decodelist(d[:-1]) - except ValueError: - self._abort(error.ResponseError(_(b"unexpected response:"), d)) + def decode(d): + try: + return wireprototypes.decodelist(d[:-1]) + except ValueError: + self._abort(error.ResponseError(_(b"unexpected response:"), d)) + + return {}, decode @batchable def known(self, nodes): - f = future() - yield {b'nodes': wireprototypes.encodelist(nodes)}, f - d = f.value - try: - yield [bool(int(b)) for b in pycompat.iterbytestr(d)] - except ValueError: - self._abort(error.ResponseError(_(b"unexpected response:"), d)) + def decode(d): + try: + return [bool(int(b)) for b in pycompat.iterbytestr(d)] + except ValueError: + self._abort(error.ResponseError(_(b"unexpected response:"), d)) + + return {b'nodes': wireprototypes.encodelist(nodes)}, decode @batchable def branchmap(self): - f = future() - yield {}, f - d = f.value - try: - branchmap = {} - for branchpart in d.splitlines(): - branchname, branchheads = branchpart.split(b' ', 1) - branchname = encoding.tolocal(urlreq.unquote(branchname)) - branchheads = wireprototypes.decodelist(branchheads) - branchmap[branchname] = branchheads - yield branchmap - except TypeError: - self._abort(error.ResponseError(_(b"unexpected response:"), d)) + def decode(d): + try: + branchmap = {} + for branchpart in d.splitlines(): + branchname, branchheads = branchpart.split(b' ', 1) + branchname = encoding.tolocal(urlreq.unquote(branchname)) + branchheads = wireprototypes.decodelist(branchheads) + branchmap[branchname] = branchheads + return branchmap + except TypeError: + self._abort(error.ResponseError(_(b"unexpected response:"), d)) + + return {}, decode @batchable def listkeys(self, namespace): if not self.capable(b'pushkey'): - yield {}, None - f = future() + return {}, None self.ui.debug(b'preparing listkeys for "%s"\n' % namespace) - yield {b'namespace': encoding.fromlocal(namespace)}, f - d = f.value - self.ui.debug( - b'received listkey for "%s": %i bytes\n' % (namespace, len(d)) - ) - yield pushkeymod.decodekeys(d) + + def decode(d): + self.ui.debug( + b'received listkey for "%s": %i bytes\n' % (namespace, len(d)) + ) + return pushkeymod.decodekeys(d) + + return {b'namespace': encoding.fromlocal(namespace)}, decode @batchable def pushkey(self, namespace, key, old, new): if not self.capable(b'pushkey'): - yield False, None - f = future() + return False, None self.ui.debug(b'preparing pushkey for "%s:%s"\n' % (namespace, key)) - yield { + + def decode(d): + d, output = d.split(b'\n', 1) + try: + d = bool(int(d)) + except ValueError: + raise error.ResponseError( + _(b'push failed (unexpected response):'), d + ) + for l in output.splitlines(True): + self.ui.status(_(b'remote: '), l) + return d + + return { b'namespace': encoding.fromlocal(namespace), b'key': encoding.fromlocal(key), b'old': encoding.fromlocal(old), b'new': encoding.fromlocal(new), - }, f - d = f.value - d, output = d.split(b'\n', 1) - try: - d = bool(int(d)) - except ValueError: - raise error.ResponseError( - _(b'push failed (unexpected response):'), d - ) - for l in output.splitlines(True): - self.ui.status(_(b'remote: '), l) - yield d + }, decode def stream_out(self): return self._callstream(b'stream_out')
--- a/tests/test-batching.py Tue Aug 24 17:27:16 2021 +0200 +++ b/tests/test-batching.py Tue Aug 24 17:27:16 2021 +0200 @@ -214,14 +214,11 @@ mangle(two), ), ] - encoded_res_future = wireprotov1peer.future() - yield encoded_args, encoded_res_future - yield unmangle(encoded_res_future.value) + return encoded_args, unmangle @wireprotov1peer.batchable def bar(self, b, a): - encresref = wireprotov1peer.future() - yield [ + return [ ( b'b', mangle(b), @@ -230,8 +227,7 @@ b'a', mangle(a), ), - ], encresref - yield unmangle(encresref.value) + ], unmangle # greet is coded directly. It therefore does not support batching. If it # does appear in a batch, the batch is split around greet, and the call to
--- a/tests/test-wireproto.py Tue Aug 24 17:27:16 2021 +0200 +++ b/tests/test-wireproto.py Tue Aug 24 17:27:16 2021 +0200 @@ -75,9 +75,7 @@ @wireprotov1peer.batchable def greet(self, name): - f = wireprotov1peer.future() - yield {b'name': mangle(name)}, f - yield unmangle(f.value) + return {b'name': mangle(name)}, unmangle class serverrepo(object):