wrap seafile-server-tools to use python dependencies

- also fix seahub dependencies

seafile-server/default.nix

@@ -5,6 +5,13 @@
 
   let
     version = "7.0.5";
+    python = python27;
+    pythonPackages = python27Packages;
+    seahubPythonDependencies = with pythonPackages; [
+        django pytz django-statici18n djangorestframework django_compressor
+        django-post_office django-constance gunicorn flup chardet dateutil six
+        openpyxl pysqlite jsonfield pillow
+      ]; 
     seafile-server-core = stdenv.mkDerivation rec {
       name = "seafile-server-core";
       inherit version;
@@ -17,19 +24,24 @@
       # patch to work with latest, non-vulnerable libevhtp
       patches = [
         ./recent_libevhtp.patch
+        ./django-version.patch
         ];
       # `which` is called directly from python during buildPhase, so we need the binary
-      nativeBuildInputs = [ autoconf automake libtool pkgconfig vala autoreconfHook which ];
-      buildInputs = [ sqlite glib python27 libuuid openssl fuse libarchive ccnet-server libevent libsearpc libevhtp ];
+      nativeBuildInputs = [ autoconf automake libtool pkgconfig vala autoreconfHook which pythonPackages.wrapPython ];
+      buildInputs = [ sqlite glib python libuuid openssl fuse libarchive ccnet-server libevent libevhtp ];
+      propagatedBuildInputs = [ libsearpc ] ++ seahubPythonDependencies;
+      postFixup = ''
+        buildPythonPath $propagatedBuildInputs
+        wrapPythonProgramsIn "$out/bin" "$out $pythonPath"
+        '';
       checkPhase = "bash ./run_tests.sh";
-      propagatedBuildInputs = [ python27Packages.django ];
 
       meta = with lib; {
         license = licenses.agpl3; # with additional OpenSSL linking exception
         maintainers = with maintainers; [ schmittlauch ];
       };
     };
-    seahub = python27Packages.buildPythonApplication rec {
+    seahub = pythonPackages.buildPythonApplication rec {
       name = "seahub";
       inherit version;
       src = fetchFromGitHub {
@@ -42,17 +54,13 @@
       installPhase = ''
         cp -r ./ $out
         '';
-      propagatedBuildInputs = with python27Packages; [
-        django pytz django-statici18n djangorestframework django_compressor
-        django-post_office django-constance gunicorn flup chardet dateutil six
-        openpyxl
-      ];
+      propagatedBuildInputs = seahubPythonDependencies;
       meta = with lib; {
         license = licenses.asl20;
         maintainers = with maintainers; [ schmittlauch ];
       };
     };
-    django-constance = python27Packages.buildPythonPackage rec {
+    django-constance = pythonPackages.buildPythonPackage rec {
       pname = "django-constance";
       version = "1.0.1";
       src = fetchFromGitHub {
@@ -61,8 +69,8 @@
         rev = "bde7f7c";
         sha256 = "sha256:0m5hhylsrs6bn7ma04615r1n7jwykyw8kmbw1xqrkgxs259lm77h";
       };
-      propagatedBuildInputs = with python27Packages; [ django ];
-      checkInputs = [ python27Packages.redis python27Packages.coverage python27Packages.django-picklefield ];
+      propagatedBuildInputs = with pythonPackages; [ django ];
+      checkInputs = [ pythonPackages.redis pythonPackages.coverage pythonPackages.django-picklefield ];
       doCheck = false; # figure that out later
       meta = {
         license = lib.licenses.bsd3;
@@ -78,7 +86,7 @@
         sha256 = "sha256:0mi0d2b4jwg511r0pp2ws9cw8ab6njplwy2a03wn6zi8q8fpjl38";
       };
 
-      buildInputs = [ vala libsearpc libuuid sqlite openssl libevent glib python27 ]
+      buildInputs = [ vala libsearpc libuuid sqlite openssl libevent glib python ]
       ++ lib.optional (!withMysql) "--without-mysql";
       # `which` is called directly from python during buildPhase, so we need the binary
       nativeBuildInputs = [ autoconf automake libtool pkgconfig autoreconfHook which ];

seafile-server/django-version.patch

@@ -0,0 +1,18 @@
+diff --git a/tools/seafile-admin b/tools/seafile-admin
+index 5e3658b..2fc2c08 100755
+--- a/tools/seafile-admin
++++ b/tools/seafile-admin
+@@ -518,10 +518,10 @@ def init_seahub():
+ 
+ 
+ def check_django_version():
+-    '''Requires django 1.8'''
++    '''Requires django 1.11 or later'''
+     import django
+-    if django.VERSION[0] != 1 or django.VERSION[1] != 8:
+-        error('Django 1.8 is required')
++    if django.VERSION[0] != 1 or django.VERSION[1] < 11:
++        error('Django 1.11+ is required')
+     del django
+ 
+