diff --git a/pkgs/python-packages.nix b/pkgs/python-packages.nix
--- a/pkgs/python-packages.nix
+++ b/pkgs/python-packages.nix
@@ -8,6 +8,9 @@
       url = "https://pypi.python.org/packages/33/27/e3978243a03a76398c384c83f7ca879bc6e8f1511233a621fcada135606e/Babel-1.3.tar.gz";
       md5 = "5264ceb02717843cbc9ffce8e6e06bdb";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   Beaker = super.buildPythonPackage {
     name = "Beaker-1.7.0";
@@ -18,6 +21,9 @@
       url = "https://pypi.python.org/packages/97/8e/409d2e7c009b8aa803dc9e6f239f1db7c3cdf578249087a404e7c27a505d/Beaker-1.7.0.tar.gz";
       md5 = "386be3f7fe427358881eee4622b428b3";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   CProfileV = super.buildPythonPackage {
     name = "CProfileV-1.0.6";
@@ -28,6 +34,9 @@
       url = "https://pypi.python.org/packages/eb/df/983a0b6cfd3ac94abf023f5011cb04f33613ace196e33f53c86cf91850d5/CProfileV-1.0.6.tar.gz";
       md5 = "08c7c242b6e64237bc53c5d13537e03d";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   Fabric = super.buildPythonPackage {
     name = "Fabric-1.10.0";
@@ -38,6 +47,9 @@
       url = "https://pypi.python.org/packages/e3/5f/b6ebdb5241d5ec9eab582a5c8a01255c1107da396f849e538801d2fe64a5/Fabric-1.10.0.tar.gz";
       md5 = "2cb96473387f0e7aa035210892352f4a";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   FormEncode = super.buildPythonPackage {
     name = "FormEncode-1.2.4";
@@ -48,6 +60,9 @@
       url = "https://pypi.python.org/packages/8e/59/0174271a6f004512e0201188593e6d319db139d14cb7490e488bbb078015/FormEncode-1.2.4.tar.gz";
       md5 = "6bc17fb9aed8aea198975e888e2077f4";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.psfl ];
+    };
   };
   Jinja2 = super.buildPythonPackage {
     name = "Jinja2-2.7.3";
@@ -58,6 +73,9 @@
       url = "https://pypi.python.org/packages/b0/73/eab0bca302d6d6a0b5c402f47ad1760dc9cb2dd14bbc1873ad48db258e4d/Jinja2-2.7.3.tar.gz";
       md5 = "b9dffd2f3b43d673802fe857c8445b1a";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   Mako = super.buildPythonPackage {
     name = "Mako-1.0.1";
@@ -68,6 +86,9 @@
       url = "https://pypi.python.org/packages/8e/a4/aa56533ecaa5f22ca92428f74e074d0c9337282933c722391902c8f9e0f8/Mako-1.0.1.tar.gz";
       md5 = "9f0aafd177b039ef67b90ea350497a54";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   Markdown = super.buildPythonPackage {
     name = "Markdown-2.6.2";
@@ -78,6 +99,9 @@
       url = "https://pypi.python.org/packages/62/8b/83658b5f6c220d5fcde9f9852d46ea54765d734cfbc5a9f4c05bfc36db4d/Markdown-2.6.2.tar.gz";
       md5 = "256d19afcc564dc4ce4c229bb762f7ae";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   MarkupSafe = super.buildPythonPackage {
     name = "MarkupSafe-0.23";
@@ -88,6 +112,9 @@
       url = "https://pypi.python.org/packages/c0/41/bae1254e0396c0cc8cf1751cb7d9afc90a602353695af5952530482c963f/MarkupSafe-0.23.tar.gz";
       md5 = "f5ab3deee4c37cd6a922fb81e730da6e";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   MySQL-python = super.buildPythonPackage {
     name = "MySQL-python-1.2.5";
@@ -98,6 +125,9 @@
       url = "https://pypi.python.org/packages/a5/e9/51b544da85a36a68debe7a7091f068d802fc515a3a202652828c73453cad/MySQL-python-1.2.5.zip";
       md5 = "654f75b302db6ed8dc5a898c625e030c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.gpl1 ];
+    };
   };
   Paste = super.buildPythonPackage {
     name = "Paste-2.0.2";
@@ -108,6 +138,9 @@
       url = "https://pypi.python.org/packages/d5/8d/0f8ac40687b97ff3e07ebd1369be20bdb3f93864d2dc3c2ff542edb4ce50/Paste-2.0.2.tar.gz";
       md5 = "4bfc8a7eaf858f6309d2ac0f40fc951c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   PasteDeploy = super.buildPythonPackage {
     name = "PasteDeploy-1.5.2";
@@ -118,6 +151,9 @@
       url = "https://pypi.python.org/packages/0f/90/8e20cdae206c543ea10793cbf4136eb9a8b3f417e04e40a29d72d9922cbd/PasteDeploy-1.5.2.tar.gz";
       md5 = "352b7205c78c8de4987578d19431af3b";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   PasteScript = super.buildPythonPackage {
     name = "PasteScript-1.7.5";
@@ -128,6 +164,9 @@
       url = "https://pypi.python.org/packages/a5/05/fc60efa7c2f17a1dbaeccb2a903a1e90902d92b9d00eebabe3095829d806/PasteScript-1.7.5.tar.gz";
       md5 = "4c72d78dcb6bb993f30536842c16af4d";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   Pygments = super.buildPythonPackage {
     name = "Pygments-2.0.2";
@@ -138,6 +177,9 @@
       url = "https://pypi.python.org/packages/f4/c6/bdbc5a8a112256b2b6136af304dbae93d8b1ef8738ff2d12a51018800e46/Pygments-2.0.2.tar.gz";
       md5 = "238587a1370d62405edabd0794b3ec4a";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   Pylons = super.buildPythonPackage {
     name = "Pylons-1.0.1";
@@ -148,6 +190,9 @@
       url = "https://pypi.python.org/packages/a2/69/b835a6bad00acbfeed3f33c6e44fa3f936efc998c795bfb15c61a79ecf62/Pylons-1.0.1.tar.gz";
       md5 = "6cb880d75fa81213192142b07a6e4915";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   Pyro4 = super.buildPythonPackage {
     name = "Pyro4-4.41";
@@ -158,6 +203,9 @@
       url = "https://pypi.python.org/packages/56/2b/89b566b4bf3e7f8ba790db2d1223852f8cb454c52cab7693dd41f608ca2a/Pyro4-4.41.tar.gz";
       md5 = "ed69e9bfafa9c06c049a87cb0c4c2b6c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   Routes = super.buildPythonPackage {
     name = "Routes-1.13";
@@ -168,6 +216,9 @@
       url = "https://pypi.python.org/packages/88/d3/259c3b3cde8837eb9441ab5f574a660e8a4acea8f54a078441d4d2acac1c/Routes-1.13.tar.gz";
       md5 = "d527b0ab7dd9172b1275a41f97448783";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   SQLAlchemy = super.buildPythonPackage {
     name = "SQLAlchemy-0.9.9";
@@ -178,6 +229,9 @@
       url = "https://pypi.python.org/packages/28/f7/1bbfd0d8597e8c358d5e15a166a486ad82fc5579b4e67b6ef7c05b1d182b/SQLAlchemy-0.9.9.tar.gz";
       md5 = "8a10a9bd13ed3336ef7333ac2cc679ff";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   Sphinx = super.buildPythonPackage {
     name = "Sphinx-1.2.2";
@@ -188,6 +242,9 @@
       url = "https://pypi.python.org/packages/0a/50/34017e6efcd372893a416aba14b84a1a149fc7074537b0e9cb6ca7b7abe9/Sphinx-1.2.2.tar.gz";
       md5 = "3dc73ccaa8d0bfb2d62fb671b1f7e8a4";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   Tempita = super.buildPythonPackage {
     name = "Tempita-0.5.2";
@@ -198,6 +255,9 @@
       url = "https://pypi.python.org/packages/56/c8/8ed6eee83dbddf7b0fc64dd5d4454bc05e6ccaafff47991f73f2894d9ff4/Tempita-0.5.2.tar.gz";
       md5 = "4c2f17bb9d481821c41b6fbee904cea1";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   URLObject = super.buildPythonPackage {
     name = "URLObject-2.4.0";
@@ -208,6 +268,9 @@
       url = "https://pypi.python.org/packages/cb/b6/e25e58500f9caef85d664bec71ec67c116897bfebf8622c32cb75d1ca199/URLObject-2.4.0.tar.gz";
       md5 = "2ed819738a9f0a3051f31dc9924e3065";
     };
+    meta = {
+      license = [  ];
+    };
   };
   WebError = super.buildPythonPackage {
     name = "WebError-0.10.3";
@@ -218,6 +281,9 @@
       url = "https://pypi.python.org/packages/35/76/e7e5c2ce7e9c7f31b54c1ff295a495886d1279a002557d74dd8957346a79/WebError-0.10.3.tar.gz";
       md5 = "84b9990b0baae6fd440b1e60cdd06f9a";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   WebHelpers = super.buildPythonPackage {
     name = "WebHelpers-1.3";
@@ -228,6 +294,9 @@
       url = "https://pypi.python.org/packages/ee/68/4d07672821d514184357f1552f2dad923324f597e722de3b016ca4f7844f/WebHelpers-1.3.tar.gz";
       md5 = "32749ffadfc40fea51075a7def32588b";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   WebHelpers2 = super.buildPythonPackage {
     name = "WebHelpers2-2.0";
@@ -238,6 +307,9 @@
       url = "https://pypi.python.org/packages/ff/30/56342c6ea522439e3662427c8d7b5e5b390dff4ff2dc92d8afcb8ab68b75/WebHelpers2-2.0.tar.gz";
       md5 = "0f6b68d70c12ee0aed48c00b24da13d3";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   WebOb = super.buildPythonPackage {
     name = "WebOb-1.3.1";
@@ -248,6 +320,9 @@
       url = "https://pypi.python.org/packages/16/78/adfc0380b8a0d75b2d543fa7085ba98a573b1ae486d9def88d172b81b9fa/WebOb-1.3.1.tar.gz";
       md5 = "20918251c5726956ba8fef22d1556177";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   WebTest = super.buildPythonPackage {
     name = "WebTest-1.4.3";
@@ -258,6 +333,9 @@
       url = "https://pypi.python.org/packages/51/3d/84fd0f628df10b30c7db87895f56d0158e5411206b721ca903cb51bfd948/WebTest-1.4.3.zip";
       md5 = "631ce728bed92c681a4020a36adbc353";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   Whoosh = super.buildPythonPackage {
     name = "Whoosh-2.7.0";
@@ -268,6 +346,9 @@
       url = "https://pypi.python.org/packages/1c/dc/2f0231ff3875ded36df8c1ab851451e51a237dc0e5a86d3d96036158da94/Whoosh-2.7.0.zip";
       md5 = "7abfd970f16fadc7311960f3fa0bc7a9";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal pkgs.lib.licenses.bsd2 ];
+    };
   };
   alembic = super.buildPythonPackage {
     name = "alembic-0.8.4";
@@ -278,6 +359,9 @@
       url = "https://pypi.python.org/packages/ca/7e/299b4499b5c75e5a38c5845145ad24755bebfb8eec07a2e1c366b7181eeb/alembic-0.8.4.tar.gz";
       md5 = "5f95d8ee62b443f9b37eb5bee76c582d";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   amqplib = super.buildPythonPackage {
     name = "amqplib-1.0.2";
@@ -288,6 +372,9 @@
       url = "https://pypi.python.org/packages/75/b7/8c2429bf8d92354a0118614f9a4d15e53bc69ebedce534284111de5a0102/amqplib-1.0.2.tgz";
       md5 = "5c92f17fbedd99b2b4a836d4352d1e2f";
     };
+    meta = {
+      license = [ { fullName = "LGPL"; } { fullName = "GNU Library or Lesser General Public License (LGPL)"; } ];
+    };
   };
   anyjson = super.buildPythonPackage {
     name = "anyjson-0.3.3";
@@ -298,6 +385,9 @@
       url = "https://pypi.python.org/packages/c3/4d/d4089e1a3dd25b46bebdb55a992b0797cff657b4477bc32ce28038fdecbc/anyjson-0.3.3.tar.gz";
       md5 = "2ea28d6ec311aeeebaf993cb3008b27c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   appenlight-client = super.buildPythonPackage {
     name = "appenlight-client-0.6.14";
@@ -308,6 +398,9 @@
       url = "https://pypi.python.org/packages/4d/e0/23fee3ebada8143f707e65c06bcb82992040ee64ea8355e044ed55ebf0c1/appenlight_client-0.6.14.tar.gz";
       md5 = "578c69b09f4356d898fff1199b98a95c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal { fullName = "DFSG approved"; } ];
+    };
   };
   authomatic = super.buildPythonPackage {
     name = "authomatic-0.1.0.post1";
@@ -318,6 +411,9 @@
       url = "https://pypi.python.org/packages/08/1a/8a930461e604c2d5a7a871e1ac59fa82ccf994c32e807230c8d2fb07815a/Authomatic-0.1.0.post1.tar.gz";
       md5 = "be3f3ce08747d776aae6d6cc8dcb49a9";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   backport-ipaddress = super.buildPythonPackage {
     name = "backport-ipaddress-0.1";
@@ -328,6 +424,9 @@
       url = "https://pypi.python.org/packages/d3/30/54c6dab05a4dec44db25ff309f1fbb6b7a8bde3f2bade38bb9da67bbab8f/backport_ipaddress-0.1.tar.gz";
       md5 = "9c1f45f4361f71b124d7293a60006c05";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.psfl ];
+    };
   };
   bottle = super.buildPythonPackage {
     name = "bottle-0.12.8";
@@ -338,6 +437,9 @@
       url = "https://pypi.python.org/packages/52/df/e4a408f3a7af396d186d4ecd3b389dd764f0f943b4fa8d257bfe7b49d343/bottle-0.12.8.tar.gz";
       md5 = "13132c0a8f607bf860810a6ee9064c5b";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   bumpversion = super.buildPythonPackage {
     name = "bumpversion-0.5.3";
@@ -348,6 +450,9 @@
       url = "https://pypi.python.org/packages/14/41/8c9da3549f8e00c84f0432c3a8cf8ed6898374714676aab91501d48760db/bumpversion-0.5.3.tar.gz";
       md5 = "c66a3492eafcf5ad4b024be9fca29820";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   celery = super.buildPythonPackage {
     name = "celery-2.2.10";
@@ -358,6 +463,9 @@
       url = "https://pypi.python.org/packages/b1/64/860fd50e45844c83442e7953effcddeff66b2851d90b2d784f7201c111b8/celery-2.2.10.tar.gz";
       md5 = "898bc87e54f278055b561316ba73e222";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   click = super.buildPythonPackage {
     name = "click-5.1";
@@ -368,6 +476,9 @@
       url = "https://pypi.python.org/packages/b7/34/a496632c4fb6c1ee76efedf77bb8d28b29363d839953d95095b12defe791/click-5.1.tar.gz";
       md5 = "9c5323008cccfe232a8b161fc8196d41";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   colander = super.buildPythonPackage {
     name = "colander-1.2";
@@ -378,6 +489,9 @@
       url = "https://pypi.python.org/packages/14/23/c9ceba07a6a1dc0eefbb215fc0dc64aabc2b22ee756bc0f0c13278fa0887/colander-1.2.tar.gz";
       md5 = "83db21b07936a0726e588dae1914b9ed";
     };
+    meta = {
+      license = [ { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   configobj = super.buildPythonPackage {
     name = "configobj-5.0.6";
@@ -388,6 +502,9 @@
       url = "https://pypi.python.org/packages/64/61/079eb60459c44929e684fa7d9e2fdca403f67d64dd9dbac27296be2e0fab/configobj-5.0.6.tar.gz";
       md5 = "e472a3a1c2a67bb0ec9b5d54c13a47d6";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   cov-core = super.buildPythonPackage {
     name = "cov-core-1.15.0";
@@ -398,6 +515,9 @@
       url = "https://pypi.python.org/packages/4b/87/13e75a47b4ba1be06f29f6d807ca99638bedc6b57fa491cd3de891ca2923/cov-core-1.15.0.tar.gz";
       md5 = "f519d4cb4c4e52856afb14af52919fe6";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   coverage = super.buildPythonPackage {
     name = "coverage-3.7.1";
@@ -408,6 +528,9 @@
       url = "https://pypi.python.org/packages/09/4f/89b06c7fdc09687bca507dc411c342556ef9c5a3b26756137a4878ff19bf/coverage-3.7.1.tar.gz";
       md5 = "c47b36ceb17eaff3ecfab3bcd347d0df";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   cssselect = super.buildPythonPackage {
     name = "cssselect-0.9.1";
@@ -418,6 +541,9 @@
       url = "https://pypi.python.org/packages/aa/e5/9ee1460d485b94a6d55732eb7ad5b6c084caf73dd6f9cb0bb7d2a78fafe8/cssselect-0.9.1.tar.gz";
       md5 = "c74f45966277dc7a0f768b9b0f3522ac";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   decorator = super.buildPythonPackage {
     name = "decorator-3.4.2";
@@ -428,6 +554,9 @@
       url = "https://pypi.python.org/packages/35/3a/42566eb7a2cbac774399871af04e11d7ae3fc2579e7dae85213b8d1d1c57/decorator-3.4.2.tar.gz";
       md5 = "9e0536870d2b83ae27d58dbf22582f4d";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   docutils = super.buildPythonPackage {
     name = "docutils-0.12";
@@ -438,6 +567,9 @@
       url = "https://pypi.python.org/packages/37/38/ceda70135b9144d84884ae2fc5886c6baac4edea39550f28bcd144c1234d/docutils-0.12.tar.gz";
       md5 = "4622263b62c5c771c03502afa3157768";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal pkgs.lib.licenses.publicDomain pkgs.lib.licenses.gpl1 { fullName = "public domain, Python, 2-Clause BSD, GPL 3 (see COPYING.txt)"; } pkgs.lib.licenses.psfl ];
+    };
   };
   dogpile.cache = super.buildPythonPackage {
     name = "dogpile.cache-0.5.7";
@@ -448,6 +580,9 @@
       url = "https://pypi.python.org/packages/07/74/2a83bedf758156d9c95d112691bbad870d3b77ccbcfb781b4ef836ea7d96/dogpile.cache-0.5.7.tar.gz";
       md5 = "3e58ce41af574aab41d78e9c4190f194";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   dogpile.core = super.buildPythonPackage {
     name = "dogpile.core-0.4.1";
@@ -458,6 +593,9 @@
       url = "https://pypi.python.org/packages/0e/77/e72abc04c22aedf874301861e5c1e761231c288b5de369c18be8f4b5c9bb/dogpile.core-0.4.1.tar.gz";
       md5 = "01cb19f52bba3e95c9b560f39341f045";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   dulwich = super.buildPythonPackage {
     name = "dulwich-0.12.0";
@@ -468,6 +606,9 @@
       url = "https://pypi.python.org/packages/6f/04/fbe561b6d45c0ec758330d5b7f5ba4b6cb4f1ca1ab49859d2fc16320da75/dulwich-0.12.0.tar.gz";
       md5 = "f3a8a12bd9f9dd8c233e18f3d49436fa";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.gpl2Plus ];
+    };
   };
   ecdsa = super.buildPythonPackage {
     name = "ecdsa-0.11";
@@ -478,6 +619,9 @@
       url = "https://pypi.python.org/packages/6c/3f/92fe5dcdcaa7bd117be21e5520c9a54375112b66ec000d209e9e9519fad1/ecdsa-0.11.tar.gz";
       md5 = "8ef586fe4dbb156697d756900cb41d7c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   elasticsearch = super.buildPythonPackage {
     name = "elasticsearch-2.3.0";
@@ -488,6 +632,9 @@
       url = "https://pypi.python.org/packages/10/35/5fd52c5f0b0ee405ed4b5195e8bce44c5e041787680dc7b94b8071cac600/elasticsearch-2.3.0.tar.gz";
       md5 = "2550f3b51629cf1ef9636608af92c340";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.asl20 ];
+    };
   };
   elasticsearch-dsl = super.buildPythonPackage {
     name = "elasticsearch-dsl-2.0.0";
@@ -498,6 +645,9 @@
       url = "https://pypi.python.org/packages/4e/5d/e788ae8dbe2ff4d13426db0a027533386a5c276c77a2654dc0e2007ce04a/elasticsearch-dsl-2.0.0.tar.gz";
       md5 = "4cdfec81bb35383dd3b7d02d7dc5ee68";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.asl20 ];
+    };
   };
   flake8 = super.buildPythonPackage {
     name = "flake8-2.4.1";
@@ -508,6 +658,9 @@
       url = "https://pypi.python.org/packages/8f/b5/9a73c66c7dba273bac8758398f060c008a25f3e84531063b42503b5d0a95/flake8-2.4.1.tar.gz";
       md5 = "ed45d3db81a3b7c88bd63c6e37ca1d65";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   future = super.buildPythonPackage {
     name = "future-0.14.3";
@@ -518,6 +671,9 @@
       url = "https://pypi.python.org/packages/83/80/8ef3a11a15f8eaafafa0937b20c1b3f73527e69ab6b3fa1cf94a5a96aabb/future-0.14.3.tar.gz";
       md5 = "e94079b0bd1fc054929e8769fc0f6083";
     };
+    meta = {
+      license = [ { fullName = "OSI Approved"; } pkgs.lib.licenses.mit ];
+    };
   };
   futures = super.buildPythonPackage {
     name = "futures-3.0.2";
@@ -528,6 +684,9 @@
       url = "https://pypi.python.org/packages/f8/e7/fc0fcbeb9193ba2d4de00b065e7fd5aecd0679e93ce95a07322b2b1434f4/futures-3.0.2.tar.gz";
       md5 = "42aaf1e4de48d6e871d77dc1f9d96d5a";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   gnureadline = super.buildPythonPackage {
     name = "gnureadline-6.3.3";
@@ -538,9 +697,12 @@
       url = "https://pypi.python.org/packages/3a/ee/2c3f568b0a74974791ac590ec742ef6133e2fbd287a074ba72a53fa5e97c/gnureadline-6.3.3.tar.gz";
       md5 = "c4af83c9a3fbeac8f2da9b5a7c60e51c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.gpl1 ];
+    };
   };
   gprof2dot = super.buildPythonPackage {
-    name = "gprof2dot-2015.12.01";
+    name = "gprof2dot-2015.12.1";
     buildInputs = with self; [];
     doCheck = false;
     propagatedBuildInputs = with self; [];
@@ -548,6 +710,9 @@
       url = "https://pypi.python.org/packages/b9/34/7bf93c1952d40fa5c95ad963f4d8344b61ef58558632402eca18e6c14127/gprof2dot-2015.12.1.tar.gz";
       md5 = "e23bf4e2f94db032750c193384b4165b";
     };
+    meta = {
+      license = [ { fullName = "LGPL"; } ];
+    };
   };
   greenlet = super.buildPythonPackage {
     name = "greenlet-0.4.9";
@@ -558,6 +723,9 @@
       url = "https://pypi.python.org/packages/4e/3d/9d421539b74e33608b245092870156b2e171fb49f2b51390aa4641eecb4a/greenlet-0.4.9.zip";
       md5 = "c6659cdb2a5e591723e629d2eef22e82";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   gunicorn = super.buildPythonPackage {
     name = "gunicorn-19.6.0";
@@ -568,6 +736,9 @@
       url = "https://pypi.python.org/packages/84/ce/7ea5396efad1cef682bbc4068e72a0276341d9d9d0f501da609fab9fcb80/gunicorn-19.6.0.tar.gz";
       md5 = "338e5e8a83ea0f0625f768dba4597530";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   infrae.cache = super.buildPythonPackage {
     name = "infrae.cache-1.0.1";
@@ -578,15 +749,21 @@
       url = "https://pypi.python.org/packages/bb/f0/e7d5e984cf6592fd2807dc7bc44a93f9d18e04e6a61f87fdfb2622422d74/infrae.cache-1.0.1.tar.gz";
       md5 = "b09076a766747e6ed2a755cc62088e32";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.zpt21 ];
+    };
   };
   invoke = super.buildPythonPackage {
-    name = "invoke-0.11.1";
+    name = "invoke-0.13.0";
     buildInputs = with self; [];
     doCheck = false;
     propagatedBuildInputs = with self; [];
     src = fetchurl {
-      url = "https://pypi.python.org/packages/d3/bb/36a5558ea19882073def7b0edeef4a0e6282056fed96506dd10b1d532bd4/invoke-0.11.1.tar.gz";
-      md5 = "3d4ecbe26779ceef1046ecf702c9c4a8";
+      url = "https://pypi.python.org/packages/47/bf/d07ef52fa1ac645468858bbac7cb95b246a972a045e821493d17d89c81be/invoke-0.13.0.tar.gz";
+      md5 = "c0d1ed4bfb34eaab551662d8cfee6540";
+    };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
     };
   };
   ipdb = super.buildPythonPackage {
@@ -598,16 +775,22 @@
       url = "https://pypi.python.org/packages/f0/25/d7dd430ced6cd8dc242a933c8682b5dbf32eb4011d82f87e34209e5ec845/ipdb-0.8.zip";
       md5 = "96dca0712efa01aa5eaf6b22071dd3ed";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.gpl1 ];
+    };
   };
   ipython = super.buildPythonPackage {
     name = "ipython-3.1.0";
     buildInputs = with self; [];
     doCheck = false;
-    propagatedBuildInputs = with self; [];
+    propagatedBuildInputs = with self; [gnureadline];
     src = fetchurl {
       url = "https://pypi.python.org/packages/06/91/120c0835254c120af89f066afaabf81289bc2726c1fc3ca0555df6882f58/ipython-3.1.0.tar.gz";
       md5 = "a749d90c16068687b0ec45a27e72ef8f";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   iso8601 = super.buildPythonPackage {
     name = "iso8601-0.1.11";
@@ -618,6 +801,9 @@
       url = "https://pypi.python.org/packages/c0/75/c9209ee4d1b5975eb8c2cba4428bde6b61bd55664a98290dd015cdb18e98/iso8601-0.1.11.tar.gz";
       md5 = "b06d11cd14a64096f907086044f0fe38";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   itsdangerous = super.buildPythonPackage {
     name = "itsdangerous-0.24";
@@ -628,6 +814,9 @@
       url = "https://pypi.python.org/packages/dc/b4/a60bcdba945c00f6d608d8975131ab3f25b22f2bcfe1dab221165194b2d4/itsdangerous-0.24.tar.gz";
       md5 = "a3d55aa79369aef5345c036a8a26307f";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   kombu = super.buildPythonPackage {
     name = "kombu-1.5.1";
@@ -638,6 +827,9 @@
       url = "https://pypi.python.org/packages/19/53/74bf2a624644b45f0850a638752514fc10a8e1cbd738f10804951a6df3f5/kombu-1.5.1.tar.gz";
       md5 = "50662f3c7e9395b3d0721fb75d100b63";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   lxml = super.buildPythonPackage {
     name = "lxml-3.4.4";
@@ -648,6 +840,9 @@
       url = "https://pypi.python.org/packages/63/c7/4f2a2a4ad6c6fa99b14be6b3c1cece9142e2d915aa7c43c908677afc8fa4/lxml-3.4.4.tar.gz";
       md5 = "a9a65972afc173ec7a39c585f4eea69c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   mccabe = super.buildPythonPackage {
     name = "mccabe-0.3";
@@ -658,6 +853,9 @@
       url = "https://pypi.python.org/packages/c9/2e/75231479e11a906b64ac43bad9d0bb534d00080b18bdca8db9da46e1faf7/mccabe-0.3.tar.gz";
       md5 = "81640948ff226f8c12b3277059489157";
     };
+    meta = {
+      license = [ { fullName = "Expat license"; } pkgs.lib.licenses.mit ];
+    };
   };
   meld3 = super.buildPythonPackage {
     name = "meld3-1.0.2";
@@ -668,6 +866,9 @@
       url = "https://pypi.python.org/packages/45/a0/317c6422b26c12fe0161e936fc35f36552069ba8e6f7ecbd99bbffe32a5f/meld3-1.0.2.tar.gz";
       md5 = "3ccc78cd79cffd63a751ad7684c02c91";
     };
+    meta = {
+      license = [ { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   mock = super.buildPythonPackage {
     name = "mock-1.0.1";
@@ -678,6 +879,9 @@
       url = "https://pypi.python.org/packages/15/45/30273ee91feb60dabb8fbb2da7868520525f02cf910279b3047182feed80/mock-1.0.1.zip";
       md5 = "869f08d003c289a97c1a6610faf5e913";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   msgpack-python = super.buildPythonPackage {
     name = "msgpack-python-0.4.6";
@@ -688,6 +892,9 @@
       url = "https://pypi.python.org/packages/15/ce/ff2840885789ef8035f66cd506ea05bdb228340307d5e71a7b1e3f82224c/msgpack-python-0.4.6.tar.gz";
       md5 = "8b317669314cf1bc881716cccdaccb30";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.asl20 ];
+    };
   };
   nose = super.buildPythonPackage {
     name = "nose-1.3.6";
@@ -698,6 +905,9 @@
       url = "https://pypi.python.org/packages/70/c7/469e68148d17a0d3db5ed49150242fd70a74a8147b8f3f8b87776e028d99/nose-1.3.6.tar.gz";
       md5 = "0ca546d81ca8309080fc80cb389e7a16";
     };
+    meta = {
+      license = [ { fullName = "GNU Library or Lesser General Public License (LGPL)"; } { fullName = "GNU LGPL"; } ];
+    };
   };
   objgraph = super.buildPythonPackage {
     name = "objgraph-2.0.0";
@@ -708,6 +918,9 @@
       url = "https://pypi.python.org/packages/d7/33/ace750b59247496ed769b170586c5def7202683f3d98e737b75b767ff29e/objgraph-2.0.0.tar.gz";
       md5 = "25b0d5e5adc74aa63ead15699614159c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   packaging = super.buildPythonPackage {
     name = "packaging-15.2";
@@ -718,6 +931,9 @@
       url = "https://pypi.python.org/packages/24/c4/185da1304f07047dc9e0c46c31db75c0351bd73458ac3efad7da3dbcfbe1/packaging-15.2.tar.gz";
       md5 = "c16093476f6ced42128bf610e5db3784";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.asl20 ];
+    };
   };
   paramiko = super.buildPythonPackage {
     name = "paramiko-1.15.1";
@@ -728,6 +944,9 @@
       url = "https://pypi.python.org/packages/04/2b/a22d2a560c1951abbbf95a0628e245945565f70dc082d9e784666887222c/paramiko-1.15.1.tar.gz";
       md5 = "48c274c3f9b1282932567b21f6acf3b5";
     };
+    meta = {
+      license = [ { fullName = "LGPL"; } { fullName = "GNU Library or Lesser General Public License (LGPL)"; } ];
+    };
   };
   pep8 = super.buildPythonPackage {
     name = "pep8-1.5.7";
@@ -738,6 +957,9 @@
       url = "https://pypi.python.org/packages/8b/de/259f5e735897ada1683489dd514b2a1c91aaa74e5e6b68f80acf128a6368/pep8-1.5.7.tar.gz";
       md5 = "f6adbdd69365ecca20513c709f9b7c93";
     };
+    meta = {
+      license = [ { fullName = "Expat license"; } pkgs.lib.licenses.mit ];
+    };
   };
   psutil = super.buildPythonPackage {
     name = "psutil-2.2.1";
@@ -748,6 +970,9 @@
       url = "https://pypi.python.org/packages/df/47/ee54ef14dd40f8ce831a7581001a5096494dc99fe71586260ca6b531fe86/psutil-2.2.1.tar.gz";
       md5 = "1a2b58cd9e3a53528bb6148f0c4d5244";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   psycopg2 = super.buildPythonPackage {
     name = "psycopg2-2.6";
@@ -758,6 +983,9 @@
       url = "https://pypi.python.org/packages/dd/c7/9016ff8ff69da269b1848276eebfb264af5badf6b38caad805426771f04d/psycopg2-2.6.tar.gz";
       md5 = "fbbb039a8765d561a1c04969bbae7c74";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.zpt21 { fullName = "GNU Library or Lesser General Public License (LGPL)"; } { fullName = "LGPL with exceptions or ZPL"; } ];
+    };
   };
   py = super.buildPythonPackage {
     name = "py-1.4.29";
@@ -768,6 +996,9 @@
       url = "https://pypi.python.org/packages/2a/bc/a1a4a332ac10069b8e5e25136a35e08a03f01fd6ab03d819889d79a1fd65/py-1.4.29.tar.gz";
       md5 = "c28e0accba523a29b35a48bb703fb96c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   py-bcrypt = super.buildPythonPackage {
     name = "py-bcrypt-0.4";
@@ -778,6 +1009,9 @@
       url = "https://pypi.python.org/packages/68/b1/1c3068c5c4d2e35c48b38dcc865301ebfdf45f54507086ac65ced1fd3b3d/py-bcrypt-0.4.tar.gz";
       md5 = "dd8b367d6b716a2ea2e72392525f4e36";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   pycrypto = super.buildPythonPackage {
     name = "pycrypto-2.6.1";
@@ -788,6 +1022,9 @@
       url = "https://pypi.python.org/packages/60/db/645aa9af249f059cc3a368b118de33889219e0362141e75d4eaf6f80f163/pycrypto-2.6.1.tar.gz";
       md5 = "55a61a054aa66812daf5161a0d5d7eda";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.publicDomain ];
+    };
   };
   pycurl = super.buildPythonPackage {
     name = "pycurl-7.19.5";
@@ -798,6 +1035,9 @@
       url = "https://pypi.python.org/packages/6c/48/13bad289ef6f4869b1d8fc11ae54de8cfb3cc4a2eb9f7419c506f763be46/pycurl-7.19.5.tar.gz";
       md5 = "47b4eac84118e2606658122104e62072";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit { fullName = "LGPL/MIT"; } { fullName = "GNU Library or Lesser General Public License (LGPL)"; } ];
+    };
   };
   pyflakes = super.buildPythonPackage {
     name = "pyflakes-0.8.1";
@@ -808,6 +1048,9 @@
       url = "https://pypi.python.org/packages/75/22/a90ec0252f4f87f3ffb6336504de71fe16a49d69c4538dae2f12b9360a38/pyflakes-0.8.1.tar.gz";
       md5 = "905fe91ad14b912807e8fdc2ac2e2c23";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pyparsing = super.buildPythonPackage {
     name = "pyparsing-1.5.7";
@@ -818,6 +1061,9 @@
       url = "https://pypi.python.org/packages/2e/26/e8fb5b4256a5f5036be7ce115ef8db8d06bc537becfbdc46c6af008314ee/pyparsing-1.5.7.zip";
       md5 = "b86854857a368d6ccb4d5b6e76d0637f";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pyramid = super.buildPythonPackage {
     name = "pyramid-1.6.1";
@@ -828,6 +1074,9 @@
       url = "https://pypi.python.org/packages/30/b3/fcc4a2a4800cbf21989e00454b5828cf1f7fe35c63e0810b350e56d4c475/pyramid-1.6.1.tar.gz";
       md5 = "b18688ff3cc33efdbb098a35b45dd122";
     };
+    meta = {
+      license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   pyramid-beaker = super.buildPythonPackage {
     name = "pyramid-beaker-0.8";
@@ -838,6 +1087,9 @@
       url = "https://pypi.python.org/packages/d9/6e/b85426e00fd3d57f4545f74e1c3828552d8700f13ededeef9233f7bca8be/pyramid_beaker-0.8.tar.gz";
       md5 = "22f14be31b06549f80890e2c63a93834";
     };
+    meta = {
+      license = [ { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   pyramid-debugtoolbar = super.buildPythonPackage {
     name = "pyramid-debugtoolbar-2.4.2";
@@ -848,6 +1100,9 @@
       url = "https://pypi.python.org/packages/89/00/ed5426ee41ed747ba3ffd30e8230841a6878286ea67d480b1444d24f06a2/pyramid_debugtoolbar-2.4.2.tar.gz";
       md5 = "073ea67086cc4bd5decc3a000853642d";
     };
+    meta = {
+      license = [ { fullName = "Repoze Public License"; } pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   pyramid-jinja2 = super.buildPythonPackage {
     name = "pyramid-jinja2-2.5";
@@ -858,6 +1113,9 @@
       url = "https://pypi.python.org/packages/a1/80/595e26ffab7deba7208676b6936b7e5a721875710f982e59899013cae1ed/pyramid_jinja2-2.5.tar.gz";
       md5 = "07cb6547204ac5e6f0b22a954ccee928";
     };
+    meta = {
+      license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   pyramid-mako = super.buildPythonPackage {
     name = "pyramid-mako-1.0.2";
@@ -868,6 +1126,9 @@
       url = "https://pypi.python.org/packages/f1/92/7e69bcf09676d286a71cb3bbb887b16595b96f9ba7adbdc239ffdd4b1eb9/pyramid_mako-1.0.2.tar.gz";
       md5 = "ee25343a97eb76bd90abdc2a774eb48a";
     };
+    meta = {
+      license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   pysqlite = super.buildPythonPackage {
     name = "pysqlite-2.6.3";
@@ -878,6 +1139,9 @@
       url = "https://pypi.python.org/packages/5c/a6/1c429cd4c8069cf4bfbd0eb4d592b3f4042155a8202df83d7e9b93aa3dc2/pysqlite-2.6.3.tar.gz";
       md5 = "7ff1cedee74646b50117acff87aa1cfa";
     };
+    meta = {
+      license = [ { fullName = "zlib/libpng License"; } { fullName = "zlib/libpng license"; } ];
+    };
   };
   pytest = super.buildPythonPackage {
     name = "pytest-2.8.5";
@@ -888,6 +1152,9 @@
       url = "https://pypi.python.org/packages/b1/3d/d7ea9b0c51e0cacded856e49859f0a13452747491e842c236bbab3714afe/pytest-2.8.5.zip";
       md5 = "8493b06f700862f1294298d6c1b715a9";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pytest-catchlog = super.buildPythonPackage {
     name = "pytest-catchlog-1.2.2";
@@ -898,6 +1165,9 @@
       url = "https://pypi.python.org/packages/f2/2b/2faccdb1a978fab9dd0bf31cca9f6847fbe9184a0bdcc3011ac41dd44191/pytest-catchlog-1.2.2.zip";
       md5 = "09d890c54c7456c818102b7ff8c182c8";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pytest-cov = super.buildPythonPackage {
     name = "pytest-cov-1.8.1";
@@ -908,6 +1178,9 @@
       url = "https://pypi.python.org/packages/11/4b/b04646e97f1721878eb21e9f779102d84dd044d324382263b1770a3e4838/pytest-cov-1.8.1.tar.gz";
       md5 = "76c778afa2494088270348be42d759fc";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pytest-profiling = super.buildPythonPackage {
     name = "pytest-profiling-1.0.1";
@@ -918,6 +1191,9 @@
       url = "https://pypi.python.org/packages/d8/67/8ffab73406e22870e07fa4dc8dce1d7689b26dba8efd00161c9b6fc01ec0/pytest-profiling-1.0.1.tar.gz";
       md5 = "354404eb5b3fd4dc5eb7fffbb3d9b68b";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pytest-runner = super.buildPythonPackage {
     name = "pytest-runner-2.7.1";
@@ -928,6 +1204,9 @@
       url = "https://pypi.python.org/packages/99/6b/c4ff4418d3424d4475b7af60724fd4a5cdd91ed8e489dc9443281f0052bc/pytest-runner-2.7.1.tar.gz";
       md5 = "e56f0bc8d79a6bd91772b44ef4215c7e";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pytest-timeout = super.buildPythonPackage {
     name = "pytest-timeout-0.4";
@@ -938,6 +1217,9 @@
       url = "https://pypi.python.org/packages/24/48/5f6bd4b8026a26e1dd427243d560a29a0f1b24a5c7cffca4bf049a7bb65b/pytest-timeout-0.4.tar.gz";
       md5 = "03b28aff69cbbfb959ed35ade5fde262";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit { fullName = "DFSG approved"; } ];
+    };
   };
   python-dateutil = super.buildPythonPackage {
     name = "python-dateutil-1.5";
@@ -948,6 +1230,9 @@
       url = "https://pypi.python.org/packages/b4/7c/df59c89a753eb33c7c44e1dd42de0e9bc2ccdd5a4d576e0bfad97cc280cb/python-dateutil-1.5.tar.gz";
       md5 = "0dcb1de5e5cad69490a3b6ab63f0cfa5";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.psfl ];
+    };
   };
   python-editor = super.buildPythonPackage {
     name = "python-editor-1.0.1";
@@ -958,6 +1243,9 @@
       url = "https://pypi.python.org/packages/2b/c0/df7b87d5cf016f82eab3b05cd35f53287c1178ad8c42bfb6fa61b89b22f6/python-editor-1.0.1.tar.gz";
       md5 = "e1fa63535b40e022fa4fd646fd8b511a";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.asl20 ];
+    };
   };
   python-ldap = super.buildPythonPackage {
     name = "python-ldap-2.4.19";
@@ -968,6 +1256,9 @@
       url = "https://pypi.python.org/packages/42/81/1b64838c82e64f14d4e246ff00b52e650a35c012551b891ada2b85d40737/python-ldap-2.4.19.tar.gz";
       md5 = "b941bf31d09739492aa19ef679e94ae3";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.psfl ];
+    };
   };
   python-memcached = super.buildPythonPackage {
     name = "python-memcached-1.57";
@@ -978,6 +1269,9 @@
       url = "https://pypi.python.org/packages/52/9d/eebc0dcbc5c7c66840ad207dfc1baa376dadb74912484bff73819cce01e6/python-memcached-1.57.tar.gz";
       md5 = "de21f64b42b2d961f3d4ad7beb5468a1";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.psfl ];
+    };
   };
   python-pam = super.buildPythonPackage {
     name = "python-pam-1.8.2";
@@ -988,6 +1282,9 @@
       url = "https://pypi.python.org/packages/de/8c/f8f5d38b4f26893af267ea0b39023d4951705ab0413a39e0cf7cf4900505/python-pam-1.8.2.tar.gz";
       md5 = "db71b6b999246fb05d78ecfbe166629d";
     };
+    meta = {
+      license = [ { fullName = "License :: OSI Approved :: MIT License"; } pkgs.lib.licenses.mit ];
+    };
   };
   pytz = super.buildPythonPackage {
     name = "pytz-2015.4";
@@ -998,6 +1295,9 @@
       url = "https://pypi.python.org/packages/7e/1a/f43b5c92df7b156822030fed151327ea096bcf417e45acc23bd1df43472f/pytz-2015.4.zip";
       md5 = "233f2a2b370d03f9b5911700cc9ebf3c";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   pyzmq = super.buildPythonPackage {
     name = "pyzmq-14.6.0";
@@ -1008,6 +1308,9 @@
       url = "https://pypi.python.org/packages/8a/3b/5463d5a9d712cd8bbdac335daece0d69f6a6792da4e3dd89956c0db4e4e6/pyzmq-14.6.0.tar.gz";
       md5 = "395b5de95a931afa5b14c9349a5b8024";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal { fullName = "LGPL+BSD"; } { fullName = "GNU Library or Lesser General Public License (LGPL)"; } ];
+    };
   };
   recaptcha-client = super.buildPythonPackage {
     name = "recaptcha-client-1.0.6";
@@ -1018,6 +1321,9 @@
       url = "https://pypi.python.org/packages/0a/ea/5f2fbbfd894bdac1c68ef8d92019066cfcf9fbff5fe3d728d2b5c25c8db4/recaptcha-client-1.0.6.tar.gz";
       md5 = "74228180f7e1fb76c4d7089160b0d919";
     };
+    meta = {
+      license = [ { fullName = "MIT/X11"; } ];
+    };
   };
   repoze.lru = super.buildPythonPackage {
     name = "repoze.lru-0.6";
@@ -1028,6 +1334,9 @@
       url = "https://pypi.python.org/packages/6e/1e/aa15cc90217e086dc8769872c8778b409812ff036bf021b15795638939e4/repoze.lru-0.6.tar.gz";
       md5 = "2c3b64b17a8e18b405f55d46173e14dd";
     };
+    meta = {
+      license = [ { fullName = "Repoze Public License"; } { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   requests = super.buildPythonPackage {
     name = "requests-2.9.1";
@@ -1038,13 +1347,19 @@
       url = "https://pypi.python.org/packages/f9/6d/07c44fb1ebe04d069459a189e7dab9e4abfe9432adcd4477367c25332748/requests-2.9.1.tar.gz";
       md5 = "0b7f480d19012ec52bab78292efd976d";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.asl20 ];
+    };
   };
   rhodecode-enterprise-ce = super.buildPythonPackage {
-    name = "rhodecode-enterprise-ce-4.1.1";
+    name = "rhodecode-enterprise-ce-4.2.0";
     buildInputs = with self; [WebTest configobj cssselect flake8 lxml mock pytest pytest-cov pytest-runner];
     doCheck = true;
     propagatedBuildInputs = with self; [Babel Beaker FormEncode Mako Markdown MarkupSafe MySQL-python Paste PasteDeploy PasteScript Pygments Pylons Pyro4 Routes SQLAlchemy Tempita URLObject WebError WebHelpers WebHelpers2 WebOb WebTest Whoosh alembic amqplib anyjson appenlight-client authomatic backport-ipaddress celery colander decorator docutils gunicorn infrae.cache ipython iso8601 kombu msgpack-python packaging psycopg2 pycrypto pycurl pyparsing pyramid pyramid-debugtoolbar pyramid-mako pyramid-beaker pysqlite python-dateutil python-ldap python-memcached python-pam recaptcha-client repoze.lru requests simplejson waitress zope.cachedescriptors psutil py-bcrypt];
     src = ./.;
+    meta = {
+      license = [ { fullName = "AGPLv3, and Commercial License"; } ];
+    };
   };
   rhodecode-tools = super.buildPythonPackage {
     name = "rhodecode-tools-0.8.3";
@@ -1055,6 +1370,9 @@
       url = "https://code.rhodecode.com/rhodecode-tools-ce/archive/v0.8.3.zip";
       md5 = "9acdfd71b8ddf4056057065f37ab9ccb";
     };
+    meta = {
+      license = [ { fullName = "AGPLv3 and Proprietary"; } ];
+    };
   };
   serpent = super.buildPythonPackage {
     name = "serpent-1.12";
@@ -1065,6 +1383,9 @@
       url = "https://pypi.python.org/packages/3b/19/1e0e83b47c09edaef8398655088036e7e67386b5c48770218ebb339fbbd5/serpent-1.12.tar.gz";
       md5 = "05869ac7b062828b34f8f927f0457b65";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   setproctitle = super.buildPythonPackage {
     name = "setproctitle-1.1.8";
@@ -1075,6 +1396,9 @@
       url = "https://pypi.python.org/packages/33/c3/ad367a4f4f1ca90468863ae727ac62f6edb558fc09a003d344a02cfc6ea6/setproctitle-1.1.8.tar.gz";
       md5 = "728f4c8c6031bbe56083a48594027edd";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.bsdOriginal ];
+    };
   };
   setuptools = super.buildPythonPackage {
     name = "setuptools-20.8.1";
@@ -1085,6 +1409,9 @@
       url = "https://pypi.python.org/packages/c4/19/c1bdc88b53da654df43770f941079dbab4e4788c2dcb5658fb86259894c7/setuptools-20.8.1.zip";
       md5 = "fe58a5cac0df20bb83942b252a4b0543";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   setuptools-scm = super.buildPythonPackage {
     name = "setuptools-scm-1.11.0";
@@ -1095,6 +1422,9 @@
       url = "https://pypi.python.org/packages/cd/5f/e3a038292358058d83d764a47d09114aa5a8003ed4529518f9e580f1a94f/setuptools_scm-1.11.0.tar.gz";
       md5 = "4c5c896ba52e134bbc3507bac6400087";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   simplejson = super.buildPythonPackage {
     name = "simplejson-3.7.2";
@@ -1105,6 +1435,9 @@
       url = "https://pypi.python.org/packages/6d/89/7f13f099344eea9d6722779a1f165087cb559598107844b1ac5dbd831fb1/simplejson-3.7.2.tar.gz";
       md5 = "a5fc7d05d4cb38492285553def5d4b46";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit pkgs.lib.licenses.afl21 ];
+    };
   };
   six = super.buildPythonPackage {
     name = "six-1.9.0";
@@ -1115,6 +1448,9 @@
       url = "https://pypi.python.org/packages/16/64/1dc5e5976b17466fd7d712e59cbe9fb1e18bec153109e5ba3ed6c9102f1a/six-1.9.0.tar.gz";
       md5 = "476881ef4012262dfc8adc645ee786c4";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   subprocess32 = super.buildPythonPackage {
     name = "subprocess32-3.2.6";
@@ -1125,6 +1461,9 @@
       url = "https://pypi.python.org/packages/28/8d/33ccbff51053f59ae6c357310cac0e79246bbed1d345ecc6188b176d72c3/subprocess32-3.2.6.tar.gz";
       md5 = "754c5ab9f533e764f931136974b618f1";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.psfl ];
+    };
   };
   supervisor = super.buildPythonPackage {
     name = "supervisor-3.1.3";
@@ -1135,6 +1474,9 @@
       url = "https://pypi.python.org/packages/a6/41/65ad5bd66230b173eb4d0b8810230f3a9c59ef52ae066e540b6b99895db7/supervisor-3.1.3.tar.gz";
       md5 = "aad263c4fbc070de63dd354864d5e552";
     };
+    meta = {
+      license = [ { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   transifex-client = super.buildPythonPackage {
     name = "transifex-client-0.10";
@@ -1145,6 +1487,9 @@
       url = "https://pypi.python.org/packages/f3/4e/7b925192aee656fb3e04fa6381c8b3dc40198047c3b4a356f6cfd642c809/transifex-client-0.10.tar.gz";
       md5 = "5549538d84b8eede6b254cd81ae024fa";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.gpl2 ];
+    };
   };
   translationstring = super.buildPythonPackage {
     name = "translationstring-1.3";
@@ -1155,6 +1500,9 @@
       url = "https://pypi.python.org/packages/5e/eb/bee578cc150b44c653b63f5ebe258b5d0d812ddac12497e5f80fcad5d0b4/translationstring-1.3.tar.gz";
       md5 = "a4b62e0f3c189c783a1685b3027f7c90";
     };
+    meta = {
+      license = [ { fullName = "BSD-like (http://repoze.org/license.html)"; } ];
+    };
   };
   trollius = super.buildPythonPackage {
     name = "trollius-1.0.4";
@@ -1165,6 +1513,9 @@
       url = "https://pypi.python.org/packages/aa/e6/4141db437f55e6ee7a3fb69663239e3fde7841a811b4bef293145ad6c836/trollius-1.0.4.tar.gz";
       md5 = "3631a464d49d0cbfd30ab2918ef2b783";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.asl20 ];
+    };
   };
   uWSGI = super.buildPythonPackage {
     name = "uWSGI-2.0.11.2";
@@ -1175,6 +1526,9 @@
       url = "https://pypi.python.org/packages/9b/78/918db0cfab0546afa580c1e565209c49aaf1476bbfe491314eadbe47c556/uwsgi-2.0.11.2.tar.gz";
       md5 = "1f02dcbee7f6f61de4b1fd68350cf16f";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.gpl2 ];
+    };
   };
   urllib3 = super.buildPythonPackage {
     name = "urllib3-1.16";
@@ -1185,6 +1539,9 @@
       url = "https://pypi.python.org/packages/3b/f0/e763169124e3f5db0926bc3dbfcd580a105f9ca44cf5d8e6c7a803c9f6b5/urllib3-1.16.tar.gz";
       md5 = "fcaab1c5385c57deeb7053d3d7d81d59";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
   };
   venusian = super.buildPythonPackage {
     name = "venusian-1.0";
@@ -1195,6 +1552,9 @@
       url = "https://pypi.python.org/packages/86/20/1948e0dfc4930ddde3da8c33612f6a5717c0b4bc28f591a5c5cf014dd390/venusian-1.0.tar.gz";
       md5 = "dccf2eafb7113759d60c86faf5538756";
     };
+    meta = {
+      license = [ { fullName = "BSD-derived (http://www.repoze.org/LICENSE.txt)"; } ];
+    };
   };
   waitress = super.buildPythonPackage {
     name = "waitress-0.8.9";
@@ -1205,6 +1565,9 @@
       url = "https://pypi.python.org/packages/ee/65/fc9dee74a909a1187ca51e4f15ad9c4d35476e4ab5813f73421505c48053/waitress-0.8.9.tar.gz";
       md5 = "da3f2e62b3676be5dd630703a68e2a04";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.zpt21 ];
+    };
   };
   wsgiref = super.buildPythonPackage {
     name = "wsgiref-0.1.2";
@@ -1215,6 +1578,9 @@
       url = "https://pypi.python.org/packages/41/9e/309259ce8dff8c596e8c26df86dbc4e848b9249fd36797fd60be456f03fc/wsgiref-0.1.2.zip";
       md5 = "29b146e6ebd0f9fb119fe321f7bcf6cb";
     };
+    meta = {
+      license = [ { fullName = "PSF or ZPL"; } ];
+    };
   };
   zope.cachedescriptors = super.buildPythonPackage {
     name = "zope.cachedescriptors-4.0.0";
@@ -1225,6 +1591,9 @@
       url = "https://pypi.python.org/packages/40/33/694b6644c37f28553f4b9f20b3c3a20fb709a22574dff20b5bdffb09ecd5/zope.cachedescriptors-4.0.0.tar.gz";
       md5 = "8d308de8c936792c8e758058fcb7d0f0";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.zpt21 ];
+    };
   };
   zope.deprecation = super.buildPythonPackage {
     name = "zope.deprecation-4.1.2";
@@ -1235,6 +1604,9 @@
       url = "https://pypi.python.org/packages/c1/d3/3919492d5e57d8dd01b36f30b34fc8404a30577392b1eb817c303499ad20/zope.deprecation-4.1.2.tar.gz";
       md5 = "e9a663ded58f4f9f7881beb56cae2782";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.zpt21 ];
+    };
   };
   zope.event = super.buildPythonPackage {
     name = "zope.event-4.0.3";
@@ -1245,6 +1617,9 @@
       url = "https://pypi.python.org/packages/c1/29/91ba884d7d6d96691df592e9e9c2bfa57a47040ec1ff47eff18c85137152/zope.event-4.0.3.tar.gz";
       md5 = "9a3780916332b18b8b85f522bcc3e249";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.zpt21 ];
+    };
   };
   zope.interface = super.buildPythonPackage {
     name = "zope.interface-4.1.3";
@@ -1255,6 +1630,9 @@
       url = "https://pypi.python.org/packages/9d/81/2509ca3c6f59080123c1a8a97125eb48414022618cec0e64eb1313727bfe/zope.interface-4.1.3.tar.gz";
       md5 = "9ae3d24c0c7415deb249dd1a132f0f79";
     };
+    meta = {
+      license = [ pkgs.lib.licenses.zpt21 ];
+    };
   };
 
 ### Test requirements
diff --git a/rhodecode/config/licenses.json b/rhodecode/config/licenses.json
--- a/rhodecode/config/licenses.json
+++ b/rhodecode/config/licenses.json
@@ -1,217 +1,256 @@
 {
-  "cyrus-sasl-2.1.26": {
-    "cyrus": "http://cyrusimap.web.cmu.edu/mediawiki/index.php/Downloads#Licensing"
+  "nodejs-4.3.1": {
+    "MIT License": "http://spdx.org/licenses/MIT"
   }, 
-  "openldap-2.4.41": {
-    "OLDAP-2.8": "http://spdx.org/licenses/OLDAP-2.8"
+  "postgresql-9.5.1": {
+    "PostgreSQL License": "http://spdx.org/licenses/PostgreSQL"
   }, 
-  "openssl-1.0.1p": {
-    "OpenSSL": "http://spdx.org/licenses/OpenSSL"
-  }, 
-  "python-2.7.10": {
-    "Python-2.0": "http://spdx.org/licenses/Python-2.0"
+  "python-2.7.11": {
+    "Python Software Foundation License version 2": "http://spdx.org/licenses/Python-2.0"
   }, 
   "python2.7-Babel-1.3": {
-    "BSD-3-Clause": "http://spdx.org/licenses/BSD-3-Clause"
+    "BSD 4-clause \"Original\" or \"Old\" License": "http://spdx.org/licenses/BSD-4-Clause"
   }, 
   "python2.7-Beaker-1.7.0": {
-    "BSD-3-Clause": "http://spdx.org/licenses/BSD-3-Clause"
+    "BSD 4-clause \"Original\" or \"Old\" License": "http://spdx.org/licenses/BSD-4-Clause"
   }, 
   "python2.7-FormEncode-1.2.4": {
-    "Python-2.0": "http://spdx.org/licenses/Python-2.0"
+    "Python Software Foundation License version 2": "http://spdx.org/licenses/Python-2.0"
   }, 
   "python2.7-Mako-1.0.1": {
-    "MIT": "http://spdx.org/licenses/MIT"
+    "MIT License": "http://spdx.org/licenses/MIT"
   }, 
   "python2.7-Markdown-2.6.2": {
-    "BSD-3-Clause": "http://spdx.org/licenses/BSD-3-Clause"
+    "BSD 4-clause \"Original\" or \"Old\" License": "http://spdx.org/licenses/BSD-4-Clause"
   }, 
   "python2.7-MarkupSafe-0.23": {
-    "BSD-3-Clause": "http://spdx.org/licenses/BSD-3-Clause"
+    "BSD 4-clause \"Original\" or \"Old\" License": "http://spdx.org/licenses/BSD-4-Clause"
   }, 
   "python2.7-Paste-2.0.2": {
-    "MIT": "http://spdx.org/licenses/MIT"
+    "MIT License": "http://spdx.org/licenses/MIT"
   }, 
   "python2.7-PasteDeploy-1.5.2": {
-    "MIT": "http://spdx.org/licenses/MIT"
+    "MIT License": "http://spdx.org/licenses/MIT"
   }, 
   "python2.7-PasteScript-1.7.5": {
-    "MIT": "http://spdx.org/licenses/MIT"
+    "MIT License": "http://spdx.org/licenses/MIT"
   }, 
   "python2.7-Pygments-2.0.2": {
-    "BSD-2-Clause": "http://spdx.org/licenses/BSD-2-Clause"
+    "BSD 4-clause \"Original\" or \"Old\" License": "http://spdx.org/licenses/BSD-4-Clause"
   }, 
-  "python2.7-Pylons-1.0.2-patch1": {
-    "BSD-3-Clause": "http://spdx.org/licenses/BSD-3-Clause"
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   }, 
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+    "MIT License": "http://spdx.org/licenses/MIT"
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+    "Repoze License": "http://www.repoze.org/LICENSE.txt"
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+    "zlib License": "http://spdx.org/licenses/Zlib"
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+    "MIT License": "http://spdx.org/licenses/MIT"
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+    "MIT License": "http://spdx.org/licenses/MIT"
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   }, 
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   }, 
-  "python2.7-setproctitle-1.1.8": {
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   }, 
   "python2.7-simplejson-3.7.2": {
-    "MIT": "http://spdx.org/licenses/MIT"
+    "Academic Free License": "http://spdx.org/licenses/AFL-2.1", 
+    "MIT License": "http://spdx.org/licenses/MIT"
   }, 
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+    "MIT License": "http://spdx.org/licenses/MIT"
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   }, 
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   }, 
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   }, 
   "python2.7-waitress-0.8.9": {
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+    "Zope Public License 2.1": "http://spdx.org/licenses/ZPL-2.1"
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   }
-}
+}
\ No newline at end of file