simplify virtualenv

- add dev.bat for Windows users
- remove ~/.pipcache creation.
  If that causes issues with PyInstaller, we should use
  pip --no-cache-dir there or rm -r pip.locations.USER_CACHE_DIR.
- remove superfluous pip install calls.

README.mkd

@@ -65,7 +65,7 @@ To confirm that you're up and running, activate the virtualenv, and run the
 mitmproxy test suite:
 
 ```
-$ source ../venv.mitmproxy/bin/activate
+$ ../venv.mitmproxy/bin/activate
 $ nosetests ./test
 ```
 Note that the main executables for the project - **mitmdump**, **mitmproxy** and

dev

@@ -1,16 +1,6 @@
 #!/bin/sh
 VENV=../venv.mitmproxy
-PIP="$VENV/bin/pip --cache-dir ~/.pipcache"
-
-echo "This script sets up the following:"
-echo "\t~/.pipcache - A pip cache directory"
-echo "\t$VENV - A development virtualenv"
-
-mkdir -p ~/.pipcache
 
 virtualenv $VENV
 source $VENV/bin/activate
-$PIP install -r ./requirements.txt
-# Re-install these to make them editable
-$PIP install --editable ../netlib
-$PIP install --editable ../pathod
+pip install --src .. -r requirements.txt

dev.bat

@@ -0,0 +1,6 @@
+@echo off
+set VENV=..\venv.mitmproxy
+
+virtualenv %VENV%
+call %VENV%\Scripts\activate.bat
+pip install --src .. -r requirements.txt