anyvc / anyvc / remote /

from anyvc.backend import Backend
from anyvc.remote.object import RemoteHandler
import time
import datetime

def start_controller(channel):
    vcs = channel.receive()
    backend_module = channel.receive()
        backend = Backend(vcs, backend_module)
        backend.module  # cause that one is lazy-loaded
    except ImportError:
        channel.send(None)  # magic value for 'i dont have it'

    workchan = channel.gateway.newchannel()
    SlaveBackend(workchan, backend)

class SlaveBackend(RemoteHandler):
    def __init__(self, channel, backend):
        RemoteHandler.__init__(self, channel)
        self.backend = backend

    def open_repo(self, *k, **kw):
        repo = self.backend.Repository(*k, **kw)
        channel = self.newchannel()
        RepositoryHandler(channel, repo)
        return channel

    def is_repository(self, path):
        return self.backend.is_repository(path)

    def is_workdir(self, path):
        return self.backend.is_workdir(path)

    def open_workdir(self, *k, **kw):
        workdir = self.backend.Workdir(*k, **kw)
        channel = self.newchannel()
        WorkdirHandler(channel, workdir)
        return channel

    def features(self):
        return self.backend.features

class RepositoryHandler(RemoteHandler):

    def __init__(self, channel, repo):
        RemoteHandler.__init__(self, channel)
        self.repo = repo

    def push(self):

    def get_default_head(self):
        return self.repo.get_default_head().id

    def commit_message(self, id):
        return self.repo[id].message

    def path(self):
        return str(self.repo.path)

    def commit_diff(self, id):
        return self.repo[id].get_parent_diff()

    def commit_exists(self, id, path):
        return self.repo[id].exists(path)

    def commit_file_content(self, id, path):
            return self.repo[id].file_content(path)
        except IOError:
            return None

    def commit_parents(self, id):
        return [ for p in self.repo[id].parents]

    def commit_time(self, id):
        return time.mktime(self.repo[id].time.timetuple())

    def commit_author(self, id):
        return self.repo[id].author

    def prepare_default_structure(self):

    def count_revisions(self):
        return len(self.repo)

    def transaction(self, **kw):
        time = kw.get('time')
        if time is not None:
            kw['time'] = datetime.datetime.fromtimestamp(time)
        transaction = self.repo.transaction(**kw)
        channel = self.newchannel()
        TransactionHandler(channel, transaction, self.repo)
        return channel

class WorkdirHandler(RemoteHandler):
    def __init__(self, channel, workdir):
        RemoteHandler.__init__(self, channel)
        self.workdir = workdir

    def get_path(self):
        return str(self.workdir.path)

    def add(self, **kw):
        return self.workdir.add(**kw)

    def status(self, **kw):
        return [(item.relpath, item.base.strpath, item.state)
                for item in self.workdir.status(**kw)]

    def commit(self, **kw):
        return self.workdir.commit(**kw)

    def diff(self, **kw):
        return self.workdir.diff(**kw)

    def remove(self, **kw):
        return self.workdir.remove(**kw)

    def revert(self, **kw):
        return self.workdir.revert(**kw)

    def rename(self, **kw):
        return self.workdir.rename(**kw)

    def get_local_repo(self):
        #XXX: this one shouldnt be
        repo = self.workdir.repository
        if repo is not None:
            channel = self.newchannel()
            RepositoryHandler(channel, repo)
            return channel

class TransactionHandler(RemoteHandler):
    def __init__(self, channel, transaction, repo):
        RemoteHandler.__init__(self, channel)
        self.transaction = transaction
        self.repo = repo

    def write(self, path, data):
        self.transaction.write(path, data)

    def commit(self):
        self.transaction.__exit__(None, None, None)

    def rename(self, source, dest):
        self.transaction.rename(source, dest)
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