annotate hgext/infinitepush/indexapi.py @ 48663:bf424fe4f814

lfs: take lock before writing requirements With `share-safe`, we will also write file in the store, so we take the store lock before writing requirements. Differential Revision: https://phab.mercurial-scm.org/D11991
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 07 Jan 2022 17:33:27 +0100
parents 89a2afe31e82
children 6000f5b25c9b
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1 # Infinite push
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2 #
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3 # Copyright 2016 Facebook, Inc.
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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10
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11 class indexapi(object):
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12 """Class that manages access to infinitepush index.
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13
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14 This class is a context manager and all write operations (like
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15 deletebookmarks, addbookmark etc) should use `with` statement:
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16
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17 with index:
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18 index.deletebookmarks(...)
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19 ...
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20 """
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21
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22 def __init__(self):
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23 """Initializes the metadata store connection."""
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24
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25 def close(self):
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26 """Cleans up the metadata store connection."""
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27
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28 def __enter__(self):
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29 return self
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30
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31 def __exit__(self, exc_type, exc_val, exc_tb):
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32 pass
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33
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34 def addbundle(self, bundleid, nodesctx):
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35 """Takes a bundleid and a list of node contexts for each node
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36 in that bundle and records that."""
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37 raise NotImplementedError()
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38
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39 def addbookmark(self, bookmark, node):
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40 """Takes a bookmark name and hash, and records mapping in the metadata
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41 store."""
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42 raise NotImplementedError()
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43
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44 def addmanybookmarks(self, bookmarks):
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45 """Takes a dict with mapping from bookmark to hash and records mapping
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46 in the metadata store."""
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47 raise NotImplementedError()
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48
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49 def deletebookmarks(self, patterns):
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50 """Accepts list of bookmarks and deletes them."""
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51 raise NotImplementedError()
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52
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53 def getbundle(self, node):
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54 """Returns the bundleid for the bundle that contains the given node."""
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55 raise NotImplementedError()
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56
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57 def getnode(self, bookmark):
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58 """Returns the node for the given bookmark. None if it doesn't exist."""
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59 raise NotImplementedError()
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60
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61 def getbookmarks(self, query):
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62 """Returns bookmarks that match the query"""
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63 raise NotImplementedError()
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64
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65 def saveoptionaljsonmetadata(self, node, jsonmetadata):
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66 """Saves optional metadata for a given node"""
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67 raise NotImplementedError()
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68
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69
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70 class indexexception(Exception):
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71 pass