diff --git a/pkgs/tools/networking/mitmproxy/default.nix b/pkgs/tools/networking/mitmproxy/default.nix
new file mode 100644
index 00000000000..8e82023d50a
--- /dev/null
+++ b/pkgs/tools/networking/mitmproxy/default.nix
@@ -0,0 +1,31 @@
+{ stdenv, fetchFromGitHub, python3Packages }:
+
+python3Packages.buildPythonPackage rec {
+  baseName = "mitmproxy";
+  name = "${baseName}-${version}";
+  version = "1.0.2";
+
+  src = fetchFromGitHub {
+    owner = baseName;
+    repo = baseName;
+    rev = "v${version}";
+    sha256 = "19nqg7s1034fal8sb2rjssgcpvxh50yidyjhnbfmmi8v3fbvpbwl";
+  };
+
+  propagatedBuildInputs = with python3Packages; [
+    pyopenssl pyasn1 urwid pillow flask click pyperclip blinker
+    construct pyparsing html2text tornado brotlipy requests2
+    sortedcontainers passlib cssutils h2 ruamel_yaml jsbeautifier
+    watchdog editorconfig
+  ];
+
+  # Tests fail due to an error with a decorator
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Man-in-the-middle proxy";
+    homepage = "http://mitmproxy.org/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fpletz ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7c247b5dddf..9ca802571cc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2818,6 +2818,8 @@ in
 
   miredo = callPackage ../tools/networking/miredo { };
 
+  mitmproxy = callPackage ../tools/networking/mitmproxy { };
+
   mjpegtoolsFull = callPackage ../tools/video/mjpegtools { };
 
   mjpegtools = self.mjpegtoolsFull.override {
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 949cb86d2c2..e99e70ec379 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2865,11 +2865,11 @@ in {
 
   blinker = buildPythonPackage rec {
     name = "blinker-${version}";
-    version = "1.3";
+    version = "1.4";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/b/blinker/${name}.tar.gz";
-      sha256 = "6811010809262261e41ab7b92f3f6d23f35cf816fbec2bc05077992eebec6e2f";
+      sha256 = "1dpq0vb01p36jjwbhhd08ylvrnyvcc82yxx3mwjx6awrycjyw6j7";
     };
 
     meta = {
@@ -4125,15 +4125,22 @@ in {
 
 
   construct = buildPythonPackage rec {
-    name = "construct-2.5.2";
+    name = "construct-${version}";
+    version = "2.8.10";
 
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/c/construct/${name}.tar.gz";
-      sha256 = "084h02p0m8lhmlywlwjdg0kd0hd6sz481c96qwcm5wddxrqn4nv6";
+    src = pkgs.fetchFromGitHub {
+      owner = "construct";
+      repo = "construct";
+      rev = "v${version}";
+      sha256 = "1xfmmc5pihn3ql9f7blrciy06y2bwczqvkbcpvh96dmgqwc3wys3";
     };
 
     propagatedBuildInputs = with self; [ six ];
 
+    # Tests fail with the following error on Python 3.5+
+    # TypeError: not all arguments converted during string formatting
+    doCheck = pythonOlder "3.5";
+
     meta = {
       description = "Powerful declarative parser (and builder) for binary data";
       homepage = http://construct.readthedocs.org/;
@@ -5406,11 +5413,11 @@ in {
   };
 
   cssutils = buildPythonPackage (rec {
-    name = "cssutils-0.9.9";
+    name = "cssutils-1.0.1";
 
     src = pkgs.fetchurl {
-      url = mirror://pypi/c/cssutils/cssutils-0.9.9.zip;
-      sha256 = "139yfm9yz9k33kgqw4khsljs10rkhhxyywbq9i82bh2r31cil1pp";
+      url = mirror://pypi/c/cssutils/cssutils-1.0.1.tar.gz;
+      sha256 = "0qwha9x1wml2qmipbcz03gndnlwhzrjdvw9i09si247a90l8p8fq";
     };
 
     buildInputs = with self; [ self.mock ];
@@ -14633,31 +14640,91 @@ in {
     };
   };
 
+  brotlipy = buildPythonPackage rec {
+    name = "brotlipy-${version}";
+    version = "0.6.0";
 
-  mitmproxy = buildPythonPackage rec {
-    baseName = "mitmproxy";
-    name = "${baseName}-${version}";
-    version = "0.17.1";
-
-    src = pkgs.fetchFromGitHub {
-      owner = "mitmproxy";
-      repo = "mitmproxy";
-      rev = "v${version}";
-      sha256 = "0a50mkvm3zf9cbs0pf6bwy00bhmy4d1l9as8c9m0bgrk6hq7h53p";
+    src = pkgs.fetchurl {
+      url = "mirror://pypi/b/brotlipy/${name}.tar.gz";
+      sha256 = "10s2y19zywfkf3sksrw81czhva759aki0clld2pnnlgf64sz7016";
     };
 
-    propagatedBuildInputs = with self; [
-      pyopenssl pyasn1 urwid pillow lxml flask protobuf click
-      ConfigArgParse pyperclip blinker construct pyparsing html2text tornado
-    ];
-
-    doCheck = false;
+    propagatedBuildInputs = with self; [ cffi enum34 construct ];
 
     meta = {
-      description = ''Man-in-the-middle proxy'';
-      homepage = "http://mitmproxy.org/";
+      description = "Python bindings for the reference Brotli encoder/decoder";
+      homepage = "https://github.com/python-hyper/brotlipy/";
       license = licenses.mit;
-      broken = true;
+    };
+  };
+
+  sortedcontainers = buildPythonPackage rec {
+    name = "sortedcontainers-${version}";
+    version = "1.5.7";
+
+    src = pkgs.fetchurl {
+      url = "mirror://pypi/s/sortedcontainers/${name}.tar.gz";
+      sha256 = "1sjh8lccbmvwna91mlhl5m3z4320p07h063b8x8br4p4cll49w0g";
+    };
+
+    # tries to run tests for all python versions and uses virtualenv weirdly
+    doCheck = false;
+    #buildInputs = with self; [ tox nose ];
+
+    meta = {
+      description = "Python Sorted Container Types: SortedList, SortedDict, and SortedSet";
+      homepage = "http://www.grantjenks.com/docs/sortedcontainers/";
+      license = licenses.asl20;
+    };
+  };
+
+  hyperframe = buildPythonPackage rec {
+    name = "hyperframe-${version}";
+    version = "4.0.1";
+
+    src = pkgs.fetchurl {
+      url = "mirror://pypi/h/hyperframe/${name}.tar.gz";
+      sha256 = "0hsfq0jigwa0i58z7vbnp62l7za49gmlg75vnygq2ijhkidkcmwa";
+    };
+
+    meta = {
+      description = "HTTP/2 framing layer for Python";
+      homepage = "http://hyper.rtfd.org/";
+      license = licenses.mit;
+    };
+  };
+
+  h2 = buildPythonPackage rec {
+    name = "h2-${version}";
+    version = "2.5.1";
+
+    src = pkgs.fetchurl {
+      url = "mirror://pypi/h/h2/${name}.tar.gz";
+      sha256 = "0xhzm5vcfhdq3mihynwh4ljwi0r06lvzk3ypr0gmmbcp1x43ffb7";
+    };
+
+    propagatedBuildInputs = with self; [ enum34 hpack hyperframe ];
+
+    meta = {
+      description = "HTTP/2 State-Machine based protocol implementation";
+      homepage = "http://hyper.rtfd.org/";
+      license = licenses.mit;
+    };
+  };
+
+  editorconfig = buildPythonPackage rec {
+    name = "EditorConfig-${version}";
+    version = "0.12.1";
+
+    src = pkgs.fetchurl {
+      url = "mirror://pypi/e/editorconfig/${name}.tar.gz";
+      sha256 = "1qxqy9wfrpb2ldrk5nzidkpymc55lpf9lg3m8c8a5531jmbwhlwb";
+    };
+
+    meta = {
+      description = "EditorConfig File Locator and Interpreter for Python";
+      homepage = "http://editorconfig.org/";
+      license = licenses.psfl;
     };
   };
 
@@ -15540,20 +15607,13 @@ in {
 
   hpack = buildPythonPackage rec {
     name = "hpack-${version}";
-    version = "2.0.1";
+    version = "2.3.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/h/hpack/hpack-${version}.tar.gz";
-      sha256 = "1k4wa8c52bd6x109bn6hc945595w6aqgzj6ipy6c2q7vxkzalzhd";
+      sha256 = "1ad0fx4d7a52zf441qzhjc7vwy9v3qdrk1zyf06ikz8y2nl9mgai";
     };
 
-    propagatedBuildInputs = with self; [
-
-    ];
-    buildInputs = with self; [
-
-    ];
-
     meta = with stdenv.lib; {
       description = "========================================";
       homepage = "http://hyper.rtfd.org";
@@ -21501,12 +21561,12 @@ in {
   };
 
   pyperclip = buildPythonPackage rec {
-    version = "1.5.11";
+    version = "1.5.27";
     name = "pyperclip-${version}";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/p/pyperclip/${name}.zip";
-      sha256 = "07q8krmi7phizzp192x3j7xbk1gzhc1kc3jp4mxrm32dn84sp1vh";
+      sha256 = "1i9zxm7qc49n9yxfb41c0jbmmp2hpzx98kaizjl7qmgiv3snvjx3";
     };
 
     doCheck = false;
@@ -22914,16 +22974,38 @@ in {
     };
   };
 
+  typing = buildPythonPackage rec {
+    name = "typing-${version}";
+    version = "3.5.3.0";
+
+    src = pkgs.fetchurl {
+      url = "mirror://pypi/t/typing/${name}.tar.gz";
+      sha256 = "08gz3grrh3vph5ib1w5x1ssnpzvj077x030lx63fxs4kwg3slbfa";
+    };
+
+    meta = {
+      description = "Backport of typing module to Python versions older than 3.5";
+      homepage = "https://docs.python.org/3.5/library/typing.html";
+      license = licenses.psfl;
+    };
+  };
+
   ruamel_yaml = buildPythonPackage rec {
     name = "ruamel.yaml-${version}";
-    version = "0.10.13";
+    version = "0.13.7";
+
+    # needs ruamel_ordereddict for python2 support
+    disabled = !isPy3k;
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/r/ruamel.yaml/${name}.tar.gz";
-      sha256 = "0r9mn5lm9dcxpy0wpn18cp7i5hkvjvknv3dxg8d9ca6km39m4asn";
+      sha256 = "1vca2552k0kmhr9msg1bbfdvp3p9im17x1a6npaw221vlgg15z7h";
     };
 
-    propagatedBuildInputs = with self; [ ruamel_base ruamel_ordereddict ];
+    # Tests cannot load the module to test
+    doCheck = false;
+
+    propagatedBuildInputs = with self; [ ruamel_base typing ];
 
     meta = {
       description = "YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order";
@@ -26188,14 +26270,14 @@ in {
 
 
   urwid = buildPythonPackage (rec {
-    name = "urwid-1.3.0";
+    name = "urwid-1.3.1";
 
     # multiple:  NameError: name 'evl' is not defined
     doCheck = false;
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/u/urwid/${name}.tar.gz";
-      sha256 = "29f04fad3bf0a79c5491f7ebec2d50fa086e9d16359896c9204c6a92bc07aba2";
+      sha256 = "18cnd1wdjcas08x5qwa5ayw6jsfcn33w4d9f7q3s29fy6qzc1kng";
     };
 
     meta = {