comparison mercurial/wireproto.py @ 14622:bd88561afb4b

wireproto: add batching support to wirerepository

Adds the plumbing and wire call for batched execution, but does not
batch-enable any methods yet.

14621:84094c0d2724

    return []

def encodelist(l, sep=' '):
    return sep.join(map(hex, l))

# client side

class wirerepository(repo.repository):
    def lookup(self, key):
        self.requirecap('lookup', _('look up remote revision'))
        d = self._call("lookup", key=encoding.fromlocal(key))
        success, data = d[:-1].split(" ", 1)
        if int(success):

    if others:
        sys.stderr.write("abort: %s got unexpected arguments %s\n"
                         % (cmd, ",".join(others)))
    return opts

def between(repo, proto, pairs):
    pairs = [decodelist(p, '-') for p in pairs.split(" ")]
    r = []
    for b in repo.between(pairs):
        r.append(encodelist(b) + "\n")

        r.append(encodelist(b) + "\n")
    return "".join(r)

def capabilities(repo, proto):
    caps = ('lookup changegroupsubset branchmap pushkey known getbundle '
            'unbundlehash').split()
    if _allowstream(repo.ui):
        requiredformats = repo.requirements & repo.supportedformats
        # if our local revlogs are just revlogv1, add 'stream' cap
        if not requiredformats - set(('revlogv1',)):
            caps.append('stream')

    finally:
        fp.close()
        os.unlink(tempname)

commands = {
    'between': (between, 'pairs'),
    'branchmap': (branchmap, ''),
    'branches': (branches, 'nodes'),
    'capabilities': (capabilities, ''),
    'changegroup': (changegroup, 'roots'),

14622:bd88561afb4b

    return []

def encodelist(l, sep=' '):
    return sep.join(map(hex, l))

# batched call argument encoding

def escapearg(plain):
    return (plain
            .replace(':', '::')
            .replace(',', ':,')
            .replace(';', ':;')
            .replace('=', ':='))

def unescapearg(escaped):
    return (escaped
            .replace(':=', '=')
            .replace(':;', ';')
            .replace(':,', ',')
            .replace('::', ':'))

# client side

def todict(**args):
    return args

class wirerepository(repo.repository):

    def batch(self):
        return remotebatch(self)
    def _submitbatch(self, req):
        cmds = []
        for op, argsdict in req:
            args = ','.join('%s=%s' % p for p in argsdict.iteritems())
            cmds.append('%s %s' % (op, args))
        rsp = self._call("batch", cmds=';'.join(cmds))
        return rsp.split(';')
    def _submitone(self, op, args):
        return self._call(op, **args)

    def lookup(self, key):
        self.requirecap('lookup', _('look up remote revision'))
        d = self._call("lookup", key=encoding.fromlocal(key))
        success, data = d[:-1].split(" ", 1)
        if int(success):

    if others:
        sys.stderr.write("abort: %s got unexpected arguments %s\n"
                         % (cmd, ",".join(others)))
    return opts

def batch(repo, proto, cmds, others):
    res = []
    for pair in cmds.split(';'):
        op, args = pair.split(' ', 1)
        vals = {}
        for a in args.split(','):
            if a:
                n, v = a.split('=')
                vals[n] = unescapearg(v)
        func, spec = commands[op]
        if spec:
            keys = spec.split()
            data = {}
            for k in keys:
                if k == '*':
                    star = {}
                    for key in vals.keys():
                        if key not in keys:
                            star[key] = vals[key]
                    data['*'] = star
                else:
                    data[k] = vals[k]
            result = func(repo, proto, *[data[k] for k in keys])
        else:
            result = func(repo, proto)
        res.append(escapearg(result))
    return ';'.join(res)

def between(repo, proto, pairs):
    pairs = [decodelist(p, '-') for p in pairs.split(" ")]
    r = []
    for b in repo.between(pairs):
        r.append(encodelist(b) + "\n")

        r.append(encodelist(b) + "\n")
    return "".join(r)

def capabilities(repo, proto):
    caps = ('lookup changegroupsubset branchmap pushkey known getbundle '
            'unbundlehash batch').split()
    if _allowstream(repo.ui):
        requiredformats = repo.requirements & repo.supportedformats
        # if our local revlogs are just revlogv1, add 'stream' cap
        if not requiredformats - set(('revlogv1',)):
            caps.append('stream')

    finally:
        fp.close()
        os.unlink(tempname)

commands = {
    'batch': (batch, 'cmds *'),
    'between': (between, 'pairs'),
    'branchmap': (branchmap, ''),
    'branches': (branches, 'nodes'),
    'capabilities': (capabilities, ''),
    'changegroup': (changegroup, 'roots'),