D7961: lfs: add a method to the local blobstore to convert OIDs to file paths

[mharbison72 (Matt Harbison)]

Closed by commit rHG06de4a673f48: lfs: add a method to the local blobstore to convert OIDs to file paths (authored by mharbison72).
This revision was automatically updated to reflect the committed changes.
This revision was not accepted when it landed; it landed in state "Needs Review".

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D7961?vs=19495&id=19972

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7961/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7961

AFFECTED FILES
  hgext/lfs/blobstore.py

CHANGE DETAILS

diff --git a/hgext/lfs/blobstore.py b/hgext/lfs/blobstore.py
--- a/hgext/lfs/blobstore.py
+++ b/hgext/lfs/blobstore.py
@@ -139,6 +139,17 @@
     def open(self, oid):
         """Open a read-only file descriptor to the named blob, in either the
         usercache or the local store."""
+        return open(self.path(oid), b'rb')
+
+    def path(self, oid):
+        """Build the path for the given blob ``oid``.
+
+        If the blob exists locally, the path may point to either the usercache
+        or the local store.  If it doesn't, it will point to the local store.
+        This is meant for situations where existing code that isn't LFS aware
+        needs to open a blob.  Generally, prefer the ``open`` method on this
+        class.
+        """
         # The usercache is the most likely place to hold the file.  Commit will
         # write to both it and the local store, as will anything that downloads
         # the blobs.  However, things like clone without an update won't
@@ -146,9 +157,9 @@
         # the usercache is the only place it _could_ be.  If not present, the
         # missing file msg here will indicate the local repo, not the usercache.
         if self.cachevfs.exists(oid):
-            return self.cachevfs(oid, b'rb')
+            return self.cachevfs.join(oid)
 
-        return self.vfs(oid, b'rb')
+        return self.vfs.join(oid)
 
     def download(self, oid, src, content_length):
         """Read the blob from the remote source in chunks, verify the content,



To: mharbison72, #hg-reviewers, marmoute
Cc: marmoute, mercurial-devel