vim_bridge example try

scratch.vim

echo "-----------------------------------------------"
echo "Self training for 'vim_vridge' example"
echo " http://github.com/nvie/vim_bridge/tree/master/examples/"
echo "-----------------------------------------------"
echo "Example 1"
echo "-----------------------------------------------"
python << ENDPYTHON
from vim_bridge import bridged

@bridged
def say_hello(first, last):
    return "Hello, %s %s!" % (first, last)
ENDPYTHON

echo SayHello("t9", "md")

" [Result]
" Hello, t9 md!

echo "-----------------------------------------------"
echo "Example 2"
echo "-----------------------------------------------"
python << ENDPYTHON
@bridged
def get_longest(list):
    return max(map(lambda s: len(s), list))
ENDPYTHON

echo GetLongest(['one', 'two', 'three', 'four'])
            " returns 5 (because "three" is 5 chars long)

" [Result]
" 5

echo "-----------------------------------------------"
echo "Example 3"
echo "-----------------------------------------------"
python << ENDPYTHON
@bridged
def will_cause_exception():
    raise Exception("Oops")
ENDPYTHON

" This will throw an error to the user...
try
  echo WillCauseException()
catch /.*python.*/
  echo "Error occured"
finally
  echo "Clean up"
endtry
            
" [Result]
" Error occured
" Clean up

echo "-----------------------------------------------"
echo "Example 4"
echo "-----------------------------------------------"
python << ENDPYTHON
import os.path

@bridged
def normalize_path(path):
    return os.path.realpath(path)
ENDPYTHON

echo NormalizePath("/this/../or/./.././that/is/./a/.//very/../obscure/..//././long/./../path/name")
echo NormalizePath("..")

" [Result]
" /that/is/a/path/name
" /Users

echo "-----------------------------------------------"
echo "Example 5"
echo "-----------------------------------------------"
echo "I skipped, because I couldn't understand the difference from example-4"

echo "-----------------------------------------------"
echo "Example 6"
echo "-----------------------------------------------"
python << ENDPYTHON
import os

@bridged
def public():
    return "I am public."

@bridged
def _private():
    return "I am private (available in the current script only)."

@bridged
def my_name_is_auto_converted():
    return "In Python, I'm called my_name_is_auto_converted, but in Vim, I'm called MyNameIsAutoConverted :)"

@bridged
def _long_private_name():
    return "I'm private, and my case is converted automatically."
ENDPYTHON

echo Public()
echo s:Private()

" [Result]
" I am public.
" I am private (available in the current script only).

echo MyNameIsAutoConverted()
echo s:LongPrivateName()

" [Result]
" In Python, I'm called my_name_is_auto_converted, but in Vim, I'm called MyNameIsAutoConverted :)
" I'm private, and my case is converted automatically.

echo "-----------------------------------------------"
echo "Example 7"
echo "-----------------------------------------------"
python << ENDPYTHON
# import os.path

@bridged
def is_cool(name):
    """I need to fix to convert True/False => 1/0 """
    let = 1 if name == 'Mr. Freeze' else 0
    return let

@bridged
def dont_return_anything():
    """I need to fix to return 0 explicitly"""
    print "I'm a function without return value."
    return 0

ENDPYTHON

echo IsCool("Mr. Freeze") | " => 1
echo IsCool("Mr. t9md")   | " => 0

echo DontReturnAnything()
" [Result]
" I'm a function without return value.
" 0