Add a Nano installer for Windows

1. Downloads and installs Nano into the users home directory
2. Adds Nano to the path
3. Makes Nano the default editor

diff --git a/setup/bin/swc-nano-installer.py b/setup/bin/swc-nano-installer.py
new file mode 100644 (file)
index 0000000..cd15cc6
--- /dev/null
+++ b/setup/bin/swc-nano-installer.py
@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+
+"""Software Carpentry Nano Installer for Windows
+
+Installs nano and makes it the default editor in msysgit
+
+To use:
+
+1. Install Python
+2. Install msysgit
+   http://code.google.com/p/msysgit/downloads/list?q=full+installer+official+git
+3. Run swc_nano_installer.py
+   You should be able to simply double click the file in Windows
+
+This is a stripped down version of swc_windows_installer.py
+originally written by Ethan White and W. Trevor Price.
+
+"""
+
+try:  # Python 3
+    from io import BytesIO as _BytesIO
+except ImportError:  # Python 2
+    from StringIO import StringIO as _BytesIO
+import os
+try:  # Python 3
+    from urllib.request import urlopen as _urlopen
+except ImportError:  # Python 2
+    from urllib2 import urlopen as _urlopen
+import zipfile
+
+
+def install_nano(install_dir):
+    """Download and install the nano text editor"""
+    url = "http://www.nano-editor.org/dist/v2.2/NT/nano-2.2.6.zip"
+    r = _urlopen(url)
+    nano_zip_content = _BytesIO(r.read())
+    nano_zip = zipfile.ZipFile(nano_zip_content)
+    nano_files = ['nano.exe', 'cygwin1.dll', 'cygintl-8.dll',
+                  'cygiconv-2.dll', 'cyggcc_s-1.dll']
+    for file_name in nano_files:
+        nano_zip.extract(file_name, install_dir)
+
+def make_bashrc(home_dir, nano_dir):
+    """Creates a .bashrc file for nano setup
+
+    Adds nano to the path and sets the default editor to nano
+
+    """
+
+    nano_path = make_posix_path(nano_dir)
+    contents = '\n'.join([
+        'export PATH=$PATH:%s' % nano_path,
+        'export EDITOR=nano',
+            '',
+            ])
+    with open(os.path.join(home_dir, '.bashrc'), 'w') as f:
+        f.write(contents)
+
+def make_posix_path(windows_path):
+    """Convert a Windows path to a posix path"""
+    return windows_path.replace('\\', '/').replace('C:', '/c')
+
+def main():
+    home_dir = os.path.expanduser("~")
+    nano_dir = os.path.join(home_dir, '.nano')
+    #home_dir = "/home/ethan/swc-nano-test"
+    if not os.path.exists(nano_dir):
+        os.makedirs(nano_dir)
+    install_nano(nano_dir)
+    make_bashrc(home_dir, nano_dir)
+
+if __name__ == '__main__':
+    main()