pants: init at 1.2.1

This will need more patching to work properly (especially for python
builds), but I've been able to convince it to build some simple java and
scala projects in its current form so I figured I'd spread it.

pkgs/top-level/python-packages.nix

@@ -672,6 +672,17 @@ in {
     };
   };
 
+  ansicolors = buildPythonPackage rec {
+    name    = "ansicolors-${version}";
+    version = "1.0.2";
+
+    src = self.fetchPypi {
+      pname = "ansicolors";
+      inherit version;
+      sha256 = "02lmh2fbqcwr98cq13l9ql0fvyad1dcb3ap3c5xq9qwjp45m6r3n";
+    };
+  };
+
   asgiref = buildPythonPackage rec {
     name = "asgiref-${version}";
     version = "1.0.0";
@@ -8148,6 +8159,17 @@ in {
     };
   };
 
+  lmdb = buildPythonPackage rec {
+    pname = "lmdb";
+    version = "0.92";
+    name = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "01nw6r08jkipx6v92kw49z34wmwikrpvc5j9xawdiyg1n2526wrx";
+    };
+  };
+
   logilab_astng = buildPythonPackage rec {
     name = "logilab-astng-0.24.3";
 
@@ -8478,6 +8500,33 @@ in {
     };
   };
 
+  pants = buildPythonPackage rec {
+    pname   = "pantsbuild.pants";
+    version = "1.2.1";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "1bnzhhd2acwk7ckv56xzg2d9vxacl3k5bh13bsjxymnq3spm962w";
+    };
+
+    prePatch = ''
+      sed -E -i "s/'([[:alnum:].-]+)[=><][^']*'/'\\1'/g" setup.py
+    '';
+
+    # Unnecessary, and causes some really weird behavior around .class files, which
+    # this package bundles. See https://github.com/NixOS/nixpkgs/issues/22520. 
+    dontStrip = true;
+
+    propagatedBuildInputs = with self; [
+      ansicolors beautifulsoup4 cffi coverage docutils fasteners futures
+      isort lmdb markdown mock packaging pathspec pep8 pex psutil pyflakes
+      pygments pystache pytestcov pytest pywatchman requests2 scandir
+      setproctitle setuptools six thrift wheel twitter-common-dirutil
+      twitter-common-confluence twitter-common-collections
+    ];
+  };
+
   paperwork-backend = buildPythonPackage rec {
     name = "paperwork-backend-${version}";
     version = "1.0.6";
@@ -8513,6 +8562,17 @@ in {
     };
   };
 
+  pathspec = buildPythonPackage rec {
+    pname   = "pathspec";
+    version = "0.3.4";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "0a37yrr2jhlg8aiynxivh2xqani7l9j725qxzrm7cm7m4rfcl1bn";
+    };
+  };
+
   pathtools = buildPythonPackage rec {
     name = "pathtools-${version}";
     version = "0.1.2";
@@ -8651,6 +8711,20 @@ in {
     };
   };
 
+  pex = buildPythonPackage rec {
+    name = "pex-${version}";
+    version = "1.2.2";
+
+    src = self.fetchPypi {
+      pname  = "pex";
+      sha256 = "1nwrf03cd6jw24lxyaalj59fdm2infr9glabznkpaq65mjzwshl3";
+      inherit version;
+    };
+
+    # A few more dependencies I don't want to handle right now...
+    doCheck = false;
+  };
+
   pies = buildPythonPackage rec {
     name = "pies-2.6.5";
 
@@ -25950,6 +26024,80 @@ in {
     };
   };
 
+  twitter-common-collections = buildPythonPackage rec {
+    pname   = "twitter.common.collections";
+    version = "0.3.9";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "0wf8ks6y2kalx2inzayq0w4kh3kg25daik1ac7r6y79i03fslsc5";
+    };
+
+    propagatedBuildInputs = with self; [ twitter-common-lang ];
+  };
+
+  twitter-common-confluence = buildPythonPackage rec {
+    pname   = "twitter.common.confluence";
+    version = "0.3.9";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "1i2fjn23cmms81f1fhvvkg6hgzqpw07dlqg3ydz6cqv2glw7zq26";
+    };
+
+    propagatedBuildInputs = with self; [ twitter-common-log ];
+  };
+
+  twitter-common-dirutil = buildPythonPackage rec {
+    pname   = "twitter.common.dirutil";
+    version = "0.3.9";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "1wpjfmmxsdwnbx5dl13is4zkkpfcm94ksbzas9y2qhgswfa9jqha";
+    };
+
+    propagatedBuildInputs = with self; [ twitter-common-lang ];
+  };
+
+  twitter-common-lang = buildPythonPackage rec {
+    pname   = "twitter.common.lang";
+    version = "0.3.9";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "1l8fmnsrx7hgg3ivslg588rnl9n1gfjn2w6224fr8rs7zmkd5lan";
+    };
+  };
+
+  twitter-common-log = buildPythonPackage rec {
+    pname   = "twitter.common.log";
+    version = "0.3.9";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "1bdzbxx2bxwpf57xaxfz1nblzgfvhlidz8xqd7s84c62r3prh02v";
+    };
+
+    propagatedBuildInputs = with self; [ twitter-common-options twitter-common-dirutil ];
+  };
+
+  twitter-common-options = buildPythonPackage rec {
+    pname   = "twitter.common.options";
+    version = "0.3.9";
+    name    = "${pname}-${version}";
+
+    src = self.fetchPypi {
+      inherit pname version;
+      sha256 = "0d1czag5mcxg0vcnlklspl2dvdab9kmznsycj04d3vggi158ljrd";
+    };
+  };
+
   twine = buildPythonPackage rec {
     name = "twine-${version}";
     version = "1.8.1";