installer first version: checks for python, pip, and 7-zip

INSTALL.md

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+Installing SoundCast
+====================
+
+- Complete documentation is always at http://soundcast.readthedocs.io
+
+Prerequisites:
+--------------
+
+- Windows 7+, 64-bit only
+- Python 2.7 and pip (tested using Ananconda Python)
+
+
+Basic setup instructions:
+-------------------------
+
+1. Clone SoundCast or grab latest .zip file from http://github.com/psrc/soundcast
+
+2. Run install.bat

install.bat

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+@echo off
+
+:: SoundCast installer batch file
+:: =======================================
+:: Full install instructions are always at
+:: http://soundcast.readthedocs.io
+
+set ZIPINSTALLER='http://www.7-zip.org/a/7z1600-x64.msi'
+set POWERSHELL=%windir%\System32\WindowsPowerShell\v1.0\powershell.exe
+
+:: ------------------------------
+:: Test for python in system path
+
+echo.
+echo Checking for python...
+where python.exe || goto :python-error
+
+echo.
+echo Checking for pip...
+where pip.exe || goto :python-error
+
+echo.
+echo Installing python libraries...
+pip install -r requirements.txt || goto :python-error
+
+:: ----------------
+:: Test for 7-zip
+
+:test-zip
+echo.
+echo Checking for 7-Zip...
+where 7z.exe || goto :zip-missing
+goto :zip-ok
+
+:zip-missing
+echo 7-Zip not found. Installing...
+"%POWERSHELL%" -Command "(New-Object Net.WebClient).DownloadFile(%ZIPINSTALLER%, '7z-setup.msi')" || :zip-error
+
+7z-setup.msi /passive
+setx path "%PATH%;C:\Program Files\7-Zip"
+set PATH=%PATH%;C:\Program Files\7-Zip
+goto :test-zip
+
+:zip-ok
+
+goto :success
+
+:: =======================================
+:python-error
+echo.
+echo Failed with error code #%errorlevel%
+echo You need to install or set up Python. Anaconda Python is easiest:
+echo https://www.continuum.io/downloads
+echo.
+echo Ensure python and pip are in your PATH and try again.
+exit /b %errorlevel
+
+:zip-error
+echo.
+echo Failed with error code #%errorlevel%
+echo You need to install 7-zip and add it to your PATH
+echo http://www.7-zip.org
+echo.
+echo Install it and try again.
+exit /b %errorlevel
+
+
+:: =======================================
+:success
+echo.
+echo Done!
+

requirements.txt

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+# requirements.txt: list of required python libraries
+# (used by pip in install.bat)
+
+numpy
+pandas
+pysal
+pandas_highcharts