From f45eef8ff763087dba350a6a936e5acacce22dd4 Mon Sep 17 00:00:00 2001
From: Chris Ostrouchov <chris.ostrouchov@gmail.com>
Date: Sun, 29 Dec 2019 13:05:18 -0500
Subject: [PATCH] python3Packages.databases: init at 0.2.6

---
 .../python-modules/databases/default.nix      | 49 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 51 insertions(+)
 create mode 100644 pkgs/development/python-modules/databases/default.nix

diff --git a/pkgs/development/python-modules/databases/default.nix b/pkgs/development/python-modules/databases/default.nix
new file mode 100644
index 000000000000..e4129ed9bbf3
--- /dev/null
+++ b/pkgs/development/python-modules/databases/default.nix
@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, sqlalchemy
+, aiocontextvars
+, isPy27
+, pytest
+, asyncpg
+, aiomysql
+, aiosqlite
+}:
+
+buildPythonPackage rec {
+  pname = "databases";
+  version = "0.2.6";
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "encode";
+    repo = pname;
+    rev = version;
+    sha256 = "0cdb4vln4zdmqbbcj7711b81b2l64jg1miihqcg8gpi35v404h2q";
+  };
+
+  propagatedBuildInputs = [
+    sqlalchemy
+    aiocontextvars
+  ];
+
+  checkInputs = [
+    pytest
+    asyncpg
+    aiomysql
+    aiosqlite
+  ];
+
+  # big chunk to tests depend on existing posgresql and mysql databases
+  # some tests are better than no tests
+  checkPhase = ''
+    pytest --ignore=tests/test_integration.py --ignore=tests/test_databases.py
+  '';
+
+  meta = with lib; {
+    description = "Async database support for Python";
+    homepage = https://github.com/encode/databases;
+    license = licenses.bsd3;
+    maintainers = [ maintainers.costrouc ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 1826773c7389..f82ab9229aab 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -550,6 +550,8 @@ in {
     inherit (pkgs.llvmPackages) openmp libcxx libcxxabi;
   };
 
+  databases = callPackage ../development/python-modules/databases { };
+
   datamodeldict = callPackage ../development/python-modules/datamodeldict { };
 
   datasette = callPackage ../development/python-modules/datasette { };