makememctx: move from patch to context to break import cycle

mercurial/commands.py

@@ -3761,7 +3761,7 b' def import_(ui, repo, patch1=None, *patc'
                                         files, eolmode=None)
                     except patch.PatchError, e:
                         raise util.Abort(str(e))
-                    memctx = patch.makememctx(repo, (p1.node(), p2.node()),
+                    memctx = context.makememctx(repo, (p1.node(), p2.node()),
                                               message,
                                               opts.get('user') or user,
                                               opts.get('date') or date,

mercurial/context.py

@@ -195,6 +195,21 b' class basectx(object):'
     def dirty(self):
         return False
 
+def makememctx(repo, parents, text, user, date, branch, files, store,
+               editor=None):
+    def getfilectx(repo, memctx, path):
+        data, (islink, isexec), copied = store.getfile(path)
+        return memfilectx(path, data, islink=islink, isexec=isexec,
+                                  copied=copied)
+    extra = {}
+    if branch:
+        extra['branch'] = encoding.fromlocal(branch)
+    ctx =  memctx(repo, parents, text, files, getfilectx, user,
+                          date, extra)
+    if editor:
+        ctx._text = editor(repo, ctx, [])
+    return ctx
+
 class changectx(basectx):
     """A changecontext object makes access to data related to a particular
     changeset convenient. It represents a read-only context already present in

mercurial/patch.py

@@ -16,7 +16,6 b' import email.Parser'
 from i18n import _
 from node import hex, short
 import base85, mdiff, scmutil, util, diffhelpers, copies, encoding, error
-import context
 
 gitre = re.compile('diff --git a/(.*) b/(.*)')
 
@@ -1441,21 +1440,6 b' def patchrepo(ui, repo, ctx, store, patc'
     backend = repobackend(ui, repo, ctx, store)
     return patchbackend(ui, backend, patchobj, strip, files, eolmode)
 
-def makememctx(repo, parents, text, user, date, branch, files, store,
-               editor=None):
-    def getfilectx(repo, memctx, path):
-        data, (islink, isexec), copied = store.getfile(path)
-        return context.memfilectx(path, data, islink=islink, isexec=isexec,
-                                  copied=copied)
-    extra = {}
-    if branch:
-        extra['branch'] = encoding.fromlocal(branch)
-    ctx =  context.memctx(repo, parents, text, files, getfilectx, user,
-                          date, extra)
-    if editor:
-        ctx._text = editor(repo, ctx, [])
-    return ctx
-
 def patch(ui, repo, patchname, strip=1, files=None, eolmode='strict',
           similarity=0):
     """Apply <patchname> to the working directory.