hgext/largefiles/wirestore.py
author Augie Fackler <raf@durin42.com>
Fri, 27 Nov 2020 17:03:29 -0500
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child 48875 6000f5b25c9b
permissions -rw-r--r--
formating: upgrade to black 20.8b1 This required a couple of small tweaks to un-confuse black, but now it works. Big formatting changes come from: * Dramatically improved collection-splitting logic upstream * Black having a strong (correct IMO) opinion that """ is better than ''' Differential Revision: https://phab.mercurial-scm.org/D9430
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# Copyright 2010-2011 Fog Creek Software
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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'''largefile store working over Mercurial's wire protocol'''
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from __future__ import absolute_import
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from . import (
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    lfutil,
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    remotestore,
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)
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class wirestore(remotestore.remotestore):
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    def __init__(self, ui, repo, remote):
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        cap = remote.capable(b'largefiles')
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        if not cap:
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            raise lfutil.storeprotonotcapable([])
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        storetypes = cap.split(b',')
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        if b'serve' not in storetypes:
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            raise lfutil.storeprotonotcapable(storetypes)
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        self.remote = remote
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        super(wirestore, self).__init__(ui, repo, remote.url())
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    def _put(self, hash, fd):
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        return self.remote.putlfile(hash, fd)
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    def _get(self, hash):
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        return self.remote.getlfile(hash)
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    def _stat(self, hashes):
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        """For each hash, return 0 if it is available, other values if not.
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        It is usually 2 if the largefile is missing, but might be 1 the server
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        has a corrupted copy."""
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        with self.remote.commandexecutor() as e:
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            fs = []
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            for hash in hashes:
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                fs.append(
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                    (
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                        hash,
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                        e.callcommand(
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                            b'statlfile',
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                            {
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                                b'sha': hash,
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                            },
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                        ),
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                    )
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                )
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            return {hash: f.result() for hash, f in fs}