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Viewing changes to bzrlib/benchmarks/tree_creator/many_commit.py

  • Committer: John Arbash Meinel
  • Date: 2006-10-11 00:23:23 UTC
  • mfrom: (2070 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2071.
  • Revision ID: john@arbash-meinel.com-20061011002323-82ba88c293d7caff
[merge] bzr.dev 2070

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bzrlib/benchmarks/tree_creator/many_commit.py
 
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# Copyright (C) 2006 by Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Tree creator for many commits, including file changes."""
 
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from bzrlib import (
 
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    bzrdir,
 
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    )
 
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from bzrlib.benchmarks.tree_creator import TreeCreator
 
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class ManyCommitTreeCreator(TreeCreator):
 
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    """Create an tree many files and many commits."""
 
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    def __init__(self, test, link_bzr=False, num_files=10, num_commits=10):
 
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        tree_name = 'many_files_many_commit_tree_%d_%d' % (
 
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            num_files, num_commits)
 
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        super(ManyCommitTreeCreator, self).__init__(test,
 
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            tree_name=tree_name,
 
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            link_bzr=link_bzr,
 
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            link_working=False,
 
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            hot_cache=True)
 
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        self.files = ["%s" % (i, ) for i in range(num_files)]
 
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        self.num_files = num_files
 
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        self.num_commits = num_commits
 
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    def _create_tree(self, root, in_cache=False):
 
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        num_files = self.num_files
 
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        num_commits = self.num_commits
 
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        files = ["%s/%s" % (root, fn) for fn in self.files]
 
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        for fn in files:
 
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            f = open(fn, "wb")
 
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            try:
 
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                f.write("some content\n")
 
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            finally:
 
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                f.close()
 
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        tree = bzrdir.BzrDir.create_standalone_workingtree(root)
 
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        tree.add(self.files)
 
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        tree.lock_write()
 
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        try:
 
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            tree.commit('initial commit')
 
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            for i in range(num_commits):
 
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                fn = files[i % len(files)]
 
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                content = range(i) + [i, i, i, ""]
 
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                f = open(fn, "wb")
 
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                try:
 
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                    f.write("\n".join([str(i) for i in content]))
 
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                finally:
 
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                    f.close()
 
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                tree.commit("changing file %s" % fn)
 
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        finally:
 
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            tree.unlock()
 
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        return tree
 
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