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#!/usr/bin/env python
import os, sys, glob
try:
from os.path import relpath
except:
def relpath(path, start=os.path.curdir):
"""Return a relative version of a path"""
if not path:
raise ValueError("no path specified")
start_list = os.path.abspath(start).split(os.path.sep)
path_list = os.path.abspath(path).split(os.path.sep)
# Work out how much of the filepath is shared by start and path.
i = len(os.path.commonprefix([start_list, path_list]))
rel_list = [os.path.pardir] * (len(start_list)-i) + path_list[i:]
if not rel_list:
return os.path.curdir
return os.path.join(*rel_list)
if len(sys.argv) > 1:
image = sys.argv[1]
if len(sys.argv) > 2:
docpath = sys.argv[2] #os.path.dirname(sys.argv[2])
else:
docpath = '.'
if len(sys.argv) > 3 and str.strip(sys.argv[3]):
exts = map(str.strip, sys.argv[3].split(','))
else:
# Standard images for web
exts = ['png', 'svg', 'jpg', 'jpeg']
exts = map(lambda e: '.' + e, exts)
def lookup(image):
images = glob.glob(os.path.join(docpath, image))
if not images:
return
elif len(images) == 1:
return images[0]
found = map(lambda s: os.path.splitext(s)[1], images)
for e in exts:
if e not in found:
continue
return images[found.index(e)]
else:
return images[0]
i = lookup(image)
if not i:
i = image
print relpath(i, docpath)
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