caches: use repo.lru based Dict cache. This LRUDict uses Timing Algo to not have to use locking

for consistency.

vcsserver/lib/memory_lru_dict.py

@@ -0,0 +1,65 b''
+# -*- coding: utf-8 -*-
+
+# RhodeCode VCSServer provides access to different vcs backends via network.
+# Copyright (C) 2014-2018 RhodeCode GmbH
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+
+
+import logging
+
+from repoze.lru import LRUCache
+
+from vcsserver.utils import safe_str
+
+log = logging.getLogger(__name__)
+
+
+class LRUDict(LRUCache):
+    """
+    Wrapper to provide partial dict access
+    """
+
+    def __setitem__(self, key, value):
+        return self.put(key, value)
+
+    def __getitem__(self, key):
+        return self.get(key)
+
+    def __contains__(self, key):
+        return bool(self.get(key))
+
+    def __delitem__(self, key):
+        del self.data[key]
+
+    def keys(self):
+        return self.data.keys()
+
+
+class LRUDictDebug(LRUDict):
+    """
+    Wrapper to provide some debug options
+    """
+    def _report_keys(self):
+        elems_cnt = '%s/%s' % (len(self.keys()), self.size)
+        # trick for pformat print it more nicely
+        fmt = '\n'
+        for cnt, elem in enumerate(self.keys()):
+            fmt += '%s - %s\n' % (cnt+1, safe_str(elem))
+        log.debug('current LRU keys (%s):%s' % (elems_cnt, fmt))
+
+    def __getitem__(self, key):
+        self._report_keys()
+        return self.get(key)

pkgs/python-packages.nix

@@ -1,936 +1,924 b''
 # Generated by pip2nix 0.8.0.dev1
 # See https://github.com/johbo/pip2nix
 
 { pkgs, fetchurl, fetchgit, fetchhg }:
 
 self: super: {
   "atomicwrites" = super.buildPythonPackage {
     name = "atomicwrites-1.1.5";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/a1/e1/2d9bc76838e6e6667fde5814aa25d7feb93d6fa471bf6816daac2596e8b2/atomicwrites-1.1.5.tar.gz";
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     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "attrs" = super.buildPythonPackage {
     name = "attrs-18.1.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/e4/ac/a04671e118b57bee87dabca1e0f2d3bda816b7a551036012d0ca24190e71/attrs-18.1.0.tar.gz";
       sha256 = "0yzqz8wv3w1srav5683a55v49i0szkm47dyrnkd56fqs8j8ypl70";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
     };
   };
   "backports.shutil-get-terminal-size" = super.buildPythonPackage {
     name = "backports.shutil-get-terminal-size-1.0.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/ec/9c/368086faa9c016efce5da3e0e13ba392c9db79e3ab740b763fe28620b18b/backports.shutil_get_terminal_size-1.0.0.tar.gz";
       sha256 = "107cmn7g3jnbkp826zlj8rrj19fam301qvaqf0f3905f5217lgki";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
     };
   };
   "beautifulsoup4" = super.buildPythonPackage {
     name = "beautifulsoup4-4.6.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/fa/8d/1d14391fdaed5abada4e0f63543fef49b8331a34ca60c88bd521bcf7f782/beautifulsoup4-4.6.0.tar.gz";
       sha256 = "12cf0ygpz9srpfh9gx2f9ba0swa1rzypv3sm4r0hmjyw6b4nm2w0";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "configobj" = super.buildPythonPackage {
     name = "configobj-5.0.6";
     doCheck = false;
     propagatedBuildInputs = [
       self."six"
     ];
     src = fetchurl {
       url = "https://code.rhodecode.com/upstream/configobj/archive/a11ff0a0bd4fbda9e3a91267e720f88329efb4a6.tar.gz?md5=9916c524ea11a6c418217af6b28d4b3c";
       sha256 = "1hhcxirwvg58grlfr177b3awhbq8hlx1l3lh69ifl1ki7lfd1s1x";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   };
   "cov-core" = super.buildPythonPackage {
     name = "cov-core-1.15.0";
     doCheck = false;
     propagatedBuildInputs = [
       self."coverage"
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     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/4b/87/13e75a47b4ba1be06f29f6d807ca99638bedc6b57fa491cd3de891ca2923/cov-core-1.15.0.tar.gz";
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     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   "coverage" = super.buildPythonPackage {
     name = "coverage-3.7.1";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/09/4f/89b06c7fdc09687bca507dc411c342556ef9c5a3b26756137a4878ff19bf/coverage-3.7.1.tar.gz";
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     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   "decorator" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/bb/e0/f6e41e9091e130bf16d4437dabbac3993908e4d6485ecbc985ef1352db94/decorator-4.1.2.tar.gz";
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     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal { fullName = "new BSD License"; } ];
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   "dogpile.cache" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/48/ca/604154d835c3668efb8a31bd979b0ea4bf39c2934a40ffecc0662296cb51/dogpile.cache-0.6.6.tar.gz";
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     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   "dogpile.core" = super.buildPythonPackage {
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     src = fetchurl {
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     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   "dulwich" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
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     meta = {
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   "enum34" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/bf/3e/31d502c25302814a7c2f1d3959d2a3b3f78e509002ba91aea64993936876/enum34-1.1.6.tar.gz";
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     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   "funcsigs" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
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     };
     meta = {
       license = [ { fullName = "ASL"; } pkgs.lib.licenses.asl20 ];
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   };
   "gevent" = super.buildPythonPackage {
     name = "gevent-1.3.5";
     doCheck = false;
     propagatedBuildInputs = [
       self."greenlet"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/e6/0a/fc345c6e6161f84484870dbcaa58e427c10bd9bdcd08a69bed3d6b398bf1/gevent-1.3.5.tar.gz";
       sha256 = "1w3gydxirgd2f60c5yv579w4903ds9s4g3587ik4jby97hgqc5bz";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "gprof2dot" = super.buildPythonPackage {
     name = "gprof2dot-2017.9.19";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/9d/36/f977122502979f3dfb50704979c9ed70e6b620787942b089bf1af15f5aba/gprof2dot-2017.9.19.tar.gz";
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     };
     meta = {
       license = [ { fullName = "GNU Lesser General Public License v3 or later (LGPLv3+)"; } { fullName = "LGPL"; } ];
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   "greenlet" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/13/de/ba92335e9e76040ca7274224942282a80d54f85e342a5e33c5277c7f87eb/greenlet-0.4.13.tar.gz";
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   "gunicorn" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
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   "hg-evolve" = super.buildPythonPackage {
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     src = fetchurl {
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   "hgsubversion" = super.buildPythonPackage {
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     doCheck = false;
     propagatedBuildInputs = [
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       self."subvertpy"
     ];
     src = fetchurl {
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   "hupper" = super.buildPythonPackage {
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     doCheck = false;
     src = fetchurl {
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   "ipdb" = super.buildPythonPackage {
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     propagatedBuildInputs = [
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     src = fetchurl {
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   "ipython" = super.buildPythonPackage {
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     propagatedBuildInputs = [
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       self."decorator"
       self."pickleshare"
       self."simplegeneric"
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       self."prompt-toolkit"
       self."pygments"
       self."pexpect"
       self."backports.shutil-get-terminal-size"
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     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   "plaster-pastedeploy" = super.buildPythonPackage {
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     doCheck = false;
     propagatedBuildInputs = [
       self."pastedeploy"
       self."plaster"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/3f/e7/6a6833158d2038ec40085433308a1e164fd1dac595513f6dd556d5669bb8/plaster_pastedeploy-0.6.tar.gz";
       sha256 = "1bkggk18f4z2bmsmxyxabvf62znvjwbivzh880419r3ap0616cf2";
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     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   "pluggy" = super.buildPythonPackage {
     name = "pluggy-0.6.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/11/bf/cbeb8cdfaffa9f2ea154a30ae31a9d04a1209312e2919138b4171a1f8199/pluggy-0.6.0.tar.gz";
       sha256 = "1zqckndfn85l1cd8pndw212zg1bq9fkg1nnj32kp2mppppsyg2kz";
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     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   "prompt-toolkit" = super.buildPythonPackage {
     name = "prompt-toolkit-1.0.15";
     doCheck = false;
     propagatedBuildInputs = [
       self."six"
       self."wcwidth"
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     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/8a/ad/cf6b128866e78ad6d7f1dc5b7f99885fb813393d9860778b2984582e81b5/prompt_toolkit-1.0.15.tar.gz";
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     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   "psutil" = super.buildPythonPackage {
     name = "psutil-5.4.6";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/51/9e/0f8f5423ce28c9109807024f7bdde776ed0b1161de20b408875de7e030c3/psutil-5.4.6.tar.gz";
       sha256 = "1xmw4qi6hnrhw81xqzkvmsm9im7j2vkk4v26ycjwq2jczqsmlvk8";
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     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   };
   "ptyprocess" = super.buildPythonPackage {
     name = "ptyprocess-0.6.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/7d/2d/e4b8733cf79b7309d84c9081a4ab558c89d8c89da5961bf4ddb050ca1ce0/ptyprocess-0.6.0.tar.gz";
       sha256 = "1h4lcd3w5nrxnsk436ar7fwkiy5rfn5wj2xwy9l0r4mdqnf2jgwj";
     };
     meta = {
       license = [  ];
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   "py" = super.buildPythonPackage {
     name = "py-1.5.3";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/f7/84/b4c6e84672c4ceb94f727f3da8344037b62cee960d80e999b1cd9b832d83/py-1.5.3.tar.gz";
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     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   "pygments" = super.buildPythonPackage {
     name = "pygments-2.2.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/71/2a/2e4e77803a8bd6408a2903340ac498cb0a2181811af7c9ec92cb70b0308a/Pygments-2.2.0.tar.gz";
       sha256 = "1k78qdvir1yb1c634nkv6rbga8wv4289xarghmsbbvzhvr311bnv";
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     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   };
   "pyramid" = super.buildPythonPackage {
     name = "pyramid-1.9.2";
     doCheck = false;
     propagatedBuildInputs = [
       self."setuptools"
       self."webob"
       self."repoze.lru"
       self."zope.interface"
       self."zope.deprecation"
       self."venusian"
       self."translationstring"
       self."pastedeploy"
       self."plaster"
       self."plaster-pastedeploy"
       self."hupper"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/a0/c1/b321d07cfc4870541989ad131c86a1d593bfe802af0eca9718a0dadfb97a/pyramid-1.9.2.tar.gz";
       sha256 = "09drsl0346nchgxp2j7sa5hlk7mkhfld9wvbd0wicacrp26a92fg";
     };
     meta = {
       license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
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   "pyramid-mako" = super.buildPythonPackage {
     name = "pyramid-mako-1.0.2";
     doCheck = false;
     propagatedBuildInputs = [
       self."pyramid"
       self."mako"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/f1/92/7e69bcf09676d286a71cb3bbb887b16595b96f9ba7adbdc239ffdd4b1eb9/pyramid_mako-1.0.2.tar.gz";
       sha256 = "18gk2vliq8z4acblsl6yzgbvnr9rlxjlcqir47km7kvlk1xri83d";
     };
     meta = {
       license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
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   "pytest" = super.buildPythonPackage {
     name = "pytest-3.6.0";
     doCheck = false;
     propagatedBuildInputs = [
       self."py"
       self."six"
       self."setuptools"
       self."attrs"
       self."more-itertools"
       self."atomicwrites"
       self."pluggy"
       self."funcsigs"
     ];
     src = fetchurl {
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       sha256 = "0bdfazvjjbxssqzyvkb3m2x2in7xv56ipr899l00s87k7815sm9r";
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     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "pytest-cov" = super.buildPythonPackage {
     name = "pytest-cov-2.5.1";
     doCheck = false;
     propagatedBuildInputs = [
       self."pytest"
       self."coverage"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/24/b4/7290d65b2f3633db51393bdf8ae66309b37620bc3ec116c5e357e3e37238/pytest-cov-2.5.1.tar.gz";
       sha256 = "0bbfpwdh9k3636bxc88vz9fa7vf4akchgn513ql1vd0xy4n7bah3";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal pkgs.lib.licenses.mit ];
     };
   };
   "pytest-profiling" = super.buildPythonPackage {
     name = "pytest-profiling-1.3.0";
     doCheck = false;
     propagatedBuildInputs = [
       self."six"
       self."pytest"
       self."gprof2dot"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/f5/34/4626126e041a51ef50a80d0619519b18d20aef249aac25b0d0fdd47e57ee/pytest-profiling-1.3.0.tar.gz";
       sha256 = "08r5afx5z22yvpmsnl91l4amsy1yxn8qsmm61mhp06mz8zjs51kb";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   "pytest-runner" = super.buildPythonPackage {
     name = "pytest-runner-4.2";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/9e/b7/fe6e8f87f9a756fd06722216f1b6698ccba4d269eac6329d9f0c441d0f93/pytest-runner-4.2.tar.gz";
       sha256 = "1gkpyphawxz38ni1gdq1fmwyqcg02m7ypzqvv46z06crwdxi2gyj";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "pytest-sugar" = super.buildPythonPackage {
     name = "pytest-sugar-0.9.1";
     doCheck = false;
     propagatedBuildInputs = [
       self."pytest"
       self."termcolor"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/3e/6a/a3f909083079d03bde11d06ab23088886bbe25f2c97fbe4bb865e2bf05bc/pytest-sugar-0.9.1.tar.gz";
       sha256 = "0b4av40dv30727m54v211r0nzwjp2ajkjgxix6j484qjmwpw935b";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
     };
   };
   "pytest-timeout" = super.buildPythonPackage {
     name = "pytest-timeout-1.2.1";
     doCheck = false;
     propagatedBuildInputs = [
       self."pytest"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/be/e9/a9106b8bc87521c6813060f50f7d1fdc15665bc1bbbe71c0ffc1c571aaa2/pytest-timeout-1.2.1.tar.gz";
       sha256 = "1kdp6qbh5v1168l99rba5yfzvy05gmzkmkhldgp36p9xcdjd5dv8";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit { fullName = "DFSG approved"; } ];
     };
   };
   "repoze.lru" = super.buildPythonPackage {
     name = "repoze.lru-0.7";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/12/bc/595a77c4b5e204847fdf19268314ef59c85193a9dc9f83630fc459c0fee5/repoze.lru-0.7.tar.gz";
       sha256 = "0xzz1aw2smy8hdszrq8yhnklx6w1r1mf55061kalw3iq35gafa84";
     };
     meta = {
       license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
     };
   };
   "rhodecode-vcsserver" = super.buildPythonPackage {
     name = "rhodecode-vcsserver-4.13.0";
     buildInputs = [
       self."pytest"
       self."py"
       self."pytest-cov"
       self."pytest-sugar"
       self."pytest-runner"
       self."pytest-profiling"
       self."gprof2dot"
       self."pytest-timeout"
       self."mock"
       self."webtest"
       self."cov-core"
       self."coverage"
       self."configobj"
     ];
     doCheck = true;
     propagatedBuildInputs = [
       self."configobj"
       self."dogpile.cache"
       self."dogpile.core"
       self."decorator"
       self."dulwich"
       self."hgsubversion"
       self."hg-evolve"
-      self."lru-dict"
       self."mako"
       self."markupsafe"
       self."mercurial"
       self."msgpack-python"
       self."pastedeploy"
       self."psutil"
       self."pyramid"
       self."pyramid-mako"
       self."pygments"
       self."pathlib2"
       self."repoze.lru"
       self."simplejson"
       self."subprocess32"
       self."subvertpy"
       self."six"
       self."translationstring"
       self."webob"
       self."zope.deprecation"
       self."zope.interface"
       self."gevent"
       self."greenlet"
       self."gunicorn"
       self."waitress"
       self."ipdb"
       self."ipython"
       self."pytest"
       self."py"
       self."pytest-cov"
       self."pytest-sugar"
       self."pytest-runner"
       self."pytest-profiling"
       self."gprof2dot"
       self."pytest-timeout"
       self."mock"
       self."webtest"
       self."cov-core"
       self."coverage"
     ];
     src = ./.;
     meta = {
       license = [ { fullName = "GPL V3"; } { fullName = "GNU General Public License v3 or later (GPLv3+)"; } ];
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   };
   "scandir" = super.buildPythonPackage {
     name = "scandir-1.7";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/13/bb/e541b74230bbf7a20a3949a2ee6631be299378a784f5445aa5d0047c192b/scandir-1.7.tar.gz";
       sha256 = "0gbnhjzg42rj87ljv9kb648rfxph69ly3c8r9841dxy4d7l5pmdj";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal { fullName = "New BSD License"; } ];
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   };
   "simplegeneric" = super.buildPythonPackage {
     name = "simplegeneric-0.8.1";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/3d/57/4d9c9e3ae9a255cd4e1106bb57e24056d3d0709fc01b2e3e345898e49d5b/simplegeneric-0.8.1.zip";
       sha256 = "0wwi1c6md4vkbcsfsf8dklf3vr4mcdj4mpxkanwgb6jb1432x5yw";
     };
     meta = {
       license = [ pkgs.lib.licenses.zpl21 ];
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   };
   "simplejson" = super.buildPythonPackage {
     name = "simplejson-3.11.1";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/08/48/c97b668d6da7d7bebe7ea1817a6f76394b0ec959cb04214ca833c34359df/simplejson-3.11.1.tar.gz";
       sha256 = "1rr58dppsq73p0qcd9bsw066cdd3v63sqv7j6sqni8frvm4jv8h1";
     };
     meta = {
       license = [ { fullName = "Academic Free License (AFL)"; } pkgs.lib.licenses.mit ];
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   };
   "six" = super.buildPythonPackage {
     name = "six-1.11.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/16/d8/bc6316cf98419719bd59c91742194c111b6f2e85abac88e496adefaf7afe/six-1.11.0.tar.gz";
       sha256 = "1scqzwc51c875z23phj48gircqjgnn3af8zy2izjwmnlxrxsgs3h";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "subprocess32" = super.buildPythonPackage {
     name = "subprocess32-3.5.1";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/de/fb/fd3e91507021e2aecdb081d1b920082628d6b8869ead845e3e87b3d2e2ca/subprocess32-3.5.1.tar.gz";
       sha256 = "0wgi3bfnssid1g6h0v803z3k1wjal6il16nr3r9c587cfzwfkv0q";
     };
     meta = {
       license = [ pkgs.lib.licenses.psfl ];
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   };
   "subvertpy" = super.buildPythonPackage {
     name = "subvertpy-0.10.1";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/9d/76/99fa82affce75f5ac0f7dbe513796c3f37311ace0c68e1b063683b4f9b99/subvertpy-0.10.1.tar.gz";
       sha256 = "061ncy9wjz3zyv527avcrdyk0xygyssyy7p1644nhzhwp8zpybij";
     };
     meta = {
       license = [ pkgs.lib.licenses.lgpl21Plus pkgs.lib.licenses.gpl2Plus ];
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   "termcolor" = super.buildPythonPackage {
     name = "termcolor-1.1.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/8a/48/a76be51647d0eb9f10e2a4511bf3ffb8cc1e6b14e9e4fab46173aa79f981/termcolor-1.1.0.tar.gz";
       sha256 = "0fv1vq14rpqwgazxg4981904lfyp84mnammw7y046491cv76jv8x";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "traitlets" = super.buildPythonPackage {
     name = "traitlets-4.3.2";
     doCheck = false;
     propagatedBuildInputs = [
       self."ipython-genutils"
       self."six"
       self."decorator"
       self."enum34"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/a5/98/7f5ef2fe9e9e071813aaf9cb91d1a732e0a68b6c44a32b38cb8e14c3f069/traitlets-4.3.2.tar.gz";
       sha256 = "0dbq7sx26xqz5ixs711k5nc88p8a0nqyz6162pwks5dpcz9d4jww";
     };
     meta = {
       license = [ pkgs.lib.licenses.bsdOriginal ];
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   };
   "translationstring" = super.buildPythonPackage {
     name = "translationstring-1.3";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/5e/eb/bee578cc150b44c653b63f5ebe258b5d0d812ddac12497e5f80fcad5d0b4/translationstring-1.3.tar.gz";
       sha256 = "0bdpcnd9pv0131dl08h4zbcwmgc45lyvq3pa224xwan5b3x4rr2f";
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     meta = {
       license = [ { fullName = "BSD-like (http://repoze.org/license.html)"; } ];
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   };
   "venusian" = super.buildPythonPackage {
     name = "venusian-1.1.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/38/24/b4b470ab9e0a2e2e9b9030c7735828c8934b4c6b45befd1bb713ec2aeb2d/venusian-1.1.0.tar.gz";
       sha256 = "0zapz131686qm0gazwy8bh11vr57pr89jbwbl50s528sqy9f80lr";
     };
     meta = {
       license = [ { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
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   };
   "waitress" = super.buildPythonPackage {
     name = "waitress-1.1.0";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/3c/68/1c10dd5c556872ceebe88483b0436140048d39de83a84a06a8baa8136f4f/waitress-1.1.0.tar.gz";
       sha256 = "1a85gyji0kajc3p0s1pwwfm06w4wfxjkvvl4rnrz3h164kbd6g6k";
     };
     meta = {
       license = [ pkgs.lib.licenses.zpl21 ];
     };
   };
   "wcwidth" = super.buildPythonPackage {
     name = "wcwidth-0.1.7";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/55/11/e4a2bb08bb450fdbd42cc709dd40de4ed2c472cf0ccb9e64af22279c5495/wcwidth-0.1.7.tar.gz";
       sha256 = "0pn6dflzm609m4r3i8ik5ni9ijjbb5fa3vg1n7hn6vkd49r77wrx";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "webob" = super.buildPythonPackage {
     name = "webob-1.7.4";
     doCheck = false;
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/75/34/731e23f52371852dfe7490a61644826ba7fe70fd52a377aaca0f4956ba7f/WebOb-1.7.4.tar.gz";
       sha256 = "1na01ljg04z40il7vcrn8g29vaw7nvg1xvhk64cr4jys5wcay44d";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
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   };
   "webtest" = super.buildPythonPackage {
     name = "webtest-2.0.29";
     doCheck = false;
     propagatedBuildInputs = [
       self."six"
       self."webob"
       self."waitress"
       self."beautifulsoup4"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/94/de/8f94738be649997da99c47b104aa3c3984ecec51a1d8153ed09638253d56/WebTest-2.0.29.tar.gz";
       sha256 = "0bcj1ica5lnmj5zbvk46x28kgphcsgh7sfnwjmn0cr94mhawrg6v";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
     };
   };
   "zope.deprecation" = super.buildPythonPackage {
     name = "zope.deprecation-4.3.0";
     doCheck = false;
     propagatedBuildInputs = [
       self."setuptools"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/a1/18/2dc5e6bfe64fdc3b79411b67464c55bb0b43b127051a20f7f492ab767758/zope.deprecation-4.3.0.tar.gz";
       sha256 = "095jas41wbxgmw95kwdxqhbc3bgihw2hzj9b3qpdg85apcsf2lkx";
     };
     meta = {
       license = [ pkgs.lib.licenses.zpl21 ];
     };
   };
   "zope.interface" = super.buildPythonPackage {
     name = "zope.interface-4.5.0";
     doCheck = false;
     propagatedBuildInputs = [
       self."setuptools"
     ];
     src = fetchurl {
       url = "https://files.pythonhosted.org/packages/ac/8a/657532df378c2cd2a1fe6b12be3b4097521570769d4852ec02c24bd3594e/zope.interface-4.5.0.tar.gz";
       sha256 = "0k67m60ij06wkg82n15qgyn96waf4pmrkhv0njpkfzpmv5q89hsp";
     };
     meta = {
       license = [ pkgs.lib.licenses.zpl21 ];
     };
   };
 
 ### Test requirements
 
   
 }

requirements.txt

@@ -1,47 +1,46 b''
 ## dependencies
 
 # our custom configobj
 https://code.rhodecode.com/upstream/configobj/archive/a11ff0a0bd4fbda9e3a91267e720f88329efb4a6.tar.gz?md5=9916c524ea11a6c418217af6b28d4b3c#egg=configobj==5.0.6
 dogpile.cache==0.6.6
 dogpile.core==0.4.1
 decorator==4.1.2
 dulwich==0.13.0
 hgsubversion==1.9.2
 hg-evolve==8.0.1
-lru-dict==1.1.6
 mako==1.0.7
 markupsafe==1.0.0
 mercurial==4.6.2
 msgpack-python==0.5.6
 
 pastedeploy==1.5.2
 psutil==5.4.6
 pyramid==1.9.2
 pyramid-mako==1.0.2
 
 pygments==2.2.0
 pathlib2==2.3.0
 repoze.lru==0.7
 simplejson==3.11.1
 subprocess32==3.5.1
 
 subvertpy==0.10.1
 
 six==1.11.0
 translationstring==1.3
 webob==1.7.4
 zope.deprecation==4.3.0
 zope.interface==4.5.0
 
 ## http servers
 gevent==1.3.5
 greenlet==0.4.13
 gunicorn==19.9.0
 waitress==1.1.0
 
 ## debug
 ipdb==0.11.0
 ipython==5.1.0
 
 ## test related requirements
 -r requirements_test.txt

vcsserver/lib/rc_cache/backends.py

@@ -1,51 +1,51 b''
 # RhodeCode VCSServer provides access to different vcs backends via network.
 # Copyright (C) 2014-2018 RhodeCode GmbH
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 
 import logging
 
 from dogpile.cache.backends import memory as memory_backend
-from lru import LRU as LRUDict
+from vcsserver.lib.memory_lru_dict import LRUDict, LRUDictDebug
 
 
 _default_max_size = 1024
 
 log = logging.getLogger(__name__)
 
 
 class LRUMemoryBackend(memory_backend.MemoryBackend):
     pickle_values = False
 
     def __init__(self, arguments):
         max_size = arguments.pop('max_size', _default_max_size)
-        callback = None
-        if arguments.pop('log_max_size_reached', None):
-            def evicted(key, value):
-                log.debug(
-                    'LRU: evicting key `%s` due to max size %s reach', key, max_size)
-            callback = evicted
 
-        arguments['cache_dict'] = LRUDict(max_size, callback=callback)
+        LRUDictClass = LRUDict
+        if arguments.pop('log_key_count', None):
+            LRUDictClass = LRUDictDebug
+
+        arguments['cache_dict'] = LRUDictClass(max_size)
         super(LRUMemoryBackend, self).__init__(arguments)
 
     def delete(self, key):
-        if self._cache.has_key(key):
+        try:
             del self._cache[key]
+        except KeyError:
+            # we don't care if key isn't there at deletion
+            pass
 
     def delete_multi(self, keys):
         for key in keys:
-            if self._cache.has_key(key):
-                del self._cache[key]
+            self.delete(key)