7 files changed, 190 insertions, 4 deletions
diff --git a/pkgs/development/python-modules/construct/2.10.54.nix b/pkgs/development/python-modules/construct/2.10.54.nix
new file mode 100644
index 0000000000000..6bb279490ab29
--- /dev/null
+++ b/pkgs/development/python-modules/construct/2.10.54.nix
@@ -0,0 +1,29 @@
+{ lib, stdenv, buildPythonPackage, fetchFromGitHub, pythonOlder
+, six, pytestCheckHook, pytest-benchmark, enum34, numpy, arrow, ruamel_yaml
+}:
+
+buildPythonPackage rec {
+  pname   = "construct";
+  version = "2.10.54";
+
+  # no tests in PyPI tarball
+  src = fetchFromGitHub {
+    owner  = pname;
+    repo   = pname;
+    rev    = "v${version}";
+    sha256 = "1mqspsn6bf3ibvih1zna2glkg8iw7vy5zg9gzg0d1m8zcndk2c48";
+  };
+
+  checkInputs = [ pytestCheckHook pytest-benchmark enum34 numpy arrow ruamel_yaml ];
+
+  disabledTests = lib.optionals stdenv.isDarwin [ "test_multiprocessing" ];
+
+  pytestFlagsArray = [ "--benchmark-disable" ];
+
+  meta = with lib; {
+    description = "Powerful declarative parser (and builder) for binary data";
+    homepage = "https://construct.readthedocs.org/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/convertdate/2.2.x.nix b/pkgs/development/python-modules/convertdate/2.2.x.nix
new file mode 100644
index 0000000000000..d67f4c5a3449d
--- /dev/null
+++ b/pkgs/development/python-modules/convertdate/2.2.x.nix
@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pymeeus
+, pytz
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "convertdate";
+  version = "2.2.2";
+
+  # Tests are not available in the PyPI tarball so use GitHub instead.
+  src = fetchFromGitHub {
+    owner = "fitnr";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1xgi7x9b9kxm0q51bqnmwdm5lp8vwhx5yk4d1b23r37spz9dbhw5";
+  };
+
+  propagatedBuildInputs = [
+    pymeeus
+    pytz
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/fitnr/convertdate";
+    description = "Utils for converting between date formats and calculating holidays";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jluttine ];
+  };
+}
diff --git a/pkgs/development/python-modules/convertdate/default.nix b/pkgs/development/python-modules/convertdate/default.nix
index f285a74e5449a..0dee95541b082 100644
--- a/pkgs/development/python-modules/convertdate/default.nix
+++ b/pkgs/development/python-modules/convertdate/default.nix
@@ -1,5 +1,6 @@
 { lib
 , buildPythonPackage
+, isPy27
 , fetchFromGitHub
 , pymeeus
 , pytz
@@ -10,6 +11,8 @@ buildPythonPackage rec {
   pname = "convertdate";
   version = "2.3.0";
 
+  disabled = isPy27;
+
   # Tests are not available in the PyPI tarball so use GitHub instead.
   src = fetchFromGitHub {
     owner = "fitnr";
diff --git a/pkgs/development/python-modules/dateparser/0.x.nix b/pkgs/development/python-modules/dateparser/0.x.nix
new file mode 100644
index 0000000000000..49e2d1f2796eb
--- /dev/null
+++ b/pkgs/development/python-modules/dateparser/0.x.nix
@@ -0,0 +1,55 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, mock
+, parameterized
+, pytestCheckHook
+, dateutil
+, pytz
+, regex
+, tzlocal
+, convertdate
+, umalqurra
+, jdatetime
+, ruamel_yaml
+}:
+
+buildPythonPackage rec {
+  pname = "dateparser";
+  version = "0.7.6";
+
+  src = fetchFromGitHub {
+    owner = "scrapinghub";
+    repo = "dateparser";
+    rev = "v${version}";
+    sha256 = "0j3sm4hlx7z0ci5fnjq5n9i02vvlfz0wxa889ydryfknjhy5apqw";
+  };
+
+  checkInputs = [
+    mock
+    parameterized
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [ "tests" ];
+
+  disabledTestPaths = [
+    "tests/test_dateparser_data_integrity.py" # ImportError: No module named ruamel.yaml
+  ];
+
+  propagatedBuildInputs = [
+    # install_requires
+    dateutil pytz regex tzlocal
+    # extra_requires
+    convertdate umalqurra jdatetime ruamel_yaml
+  ];
+
+  pythonImportsCheck = [ "dateparser" ];
+
+  meta = with lib; {
+    description = "Date parsing library designed to parse dates from HTML pages";
+    homepage = "https://github.com/scrapinghub/dateparser";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/vcrpy/3.nix b/pkgs/development/python-modules/vcrpy/3.nix
new file mode 100644
index 0000000000000..ddd4015aad1e7
--- /dev/null
+++ b/pkgs/development/python-modules/vcrpy/3.nix
@@ -0,0 +1,48 @@
+{ buildPythonPackage
+, lib
+, six
+, fetchPypi
+, pyyaml
+, mock
+, contextlib2
+, wrapt
+, pytest
+, pytest-httpbin
+, yarl
+, pythonOlder
+, pythonAtLeast
+}:
+
+buildPythonPackage rec {
+  pname = "vcrpy";
+  version = "3.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "21168d5ae14263a833d4b71acfd8278d8841114f24be1b4ab4a5719d0c7f07bc";
+  };
+
+  checkInputs = [
+    pytest
+    pytest-httpbin
+  ];
+
+  propagatedBuildInputs = [
+    pyyaml
+    wrapt
+    six
+  ]
+  ++ lib.optionals (pythonOlder "3.3") [ contextlib2 mock ]
+  ++ lib.optionals (pythonAtLeast "3.4") [ yarl ];
+
+  checkPhase = ''
+    py.test --ignore=tests/integration -k "not TestVCRConnection"
+  '';
+
+  meta = with lib; {
+    description = "Automatically mock your HTTP interactions to simplify and speed up testing";
+    homepage = "https://github.com/kevin1024/vcrpy";
+    license = licenses.mit;
+  };
+}
+
diff --git a/pkgs/development/python-modules/vcrpy/default.nix b/pkgs/development/python-modules/vcrpy/default.nix
index e67bbc59e9329..7766e75ba05ee 100644
--- a/pkgs/development/python-modules/vcrpy/default.nix
+++ b/pkgs/development/python-modules/vcrpy/default.nix
@@ -1,5 +1,6 @@
 { buildPythonPackage
 , lib
+, isPy27
 , six
 , fetchPypi
 , pyyaml
@@ -17,6 +18,8 @@ buildPythonPackage rec {
   pname = "vcrpy";
   version = "4.1.1";
 
+  disabled = isPy27;
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "57095bf22fc0a2d99ee9674cdafebed0f3ba763018582450706f7d3a74fff599";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 13243ecb18173..45877d3c2e0a7 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1462,7 +1462,10 @@ in {
 
   constantly = callPackage ../development/python-modules/constantly { };
 
-  construct = callPackage ../development/python-modules/construct { };
+  construct = if isPy27 then
+    callPackage ../development/python-modules/construct/2.10.54.nix { }
+  else
+    callPackage ../development/python-modules/construct { };
 
   consul = callPackage ../development/python-modules/consul { };
 
@@ -1472,7 +1475,10 @@ in {
 
   contextvars = callPackage ../development/python-modules/contextvars { };
 
-  convertdate = callPackage ../development/python-modules/convertdate { };
+  convertdate = if isPy27 then
+    callPackage ../development/python-modules/convertdate/2.2.x.nix { }
+  else
+    callPackage ../development/python-modules/convertdate { };
 
   cookiecutter = callPackage ../development/python-modules/cookiecutter { };
 
@@ -1666,7 +1672,10 @@ in {
     inherit (pkgs.llvmPackages) libcxx;
   };
 
-  dateparser = callPackage ../development/python-modules/dateparser { };
+  dateparser = if isPy27 then
+    callPackage ../development/python-modules/dateparser/0.x.nix { }
+  else
+    callPackage ../development/python-modules/dateparser { };
 
   datrie = callPackage ../development/python-modules/datrie { };
 
@@ -8357,7 +8366,10 @@ in {
 
   varint = callPackage ../development/python-modules/varint { };
 
-  vcrpy = callPackage ../development/python-modules/vcrpy { };
+  vcrpy = if isPy27 then
+    callPackage ../development/python-modules/vcrpy/3.nix { }
+  else
+    callPackage ../development/python-modules/vcrpy { };
 
   vcver = callPackage ../development/python-modules/vcver { };