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content_types = {
'css': 'text/css',
'gif': 'image/gif',
'html': 'text/html',
'jpg': 'image/jpeg',
'js': 'application/javascript',
'json': 'application/json',
'png': 'image/png',
'txt': 'text/plain',
}
def get_static_file(path, static_files):
"""Return the local filename and content type for the requested static
file URL.
:param path: the path portion of the requested URL.
:param static_files: a static file configuration dictionary.
This function returns a dictionary with two keys, "filename" and
"content_type". If the requested URL does not match any static file, the
return value is None.
"""
extra_path = ''
if path in static_files:
f = static_files[path]
else:
f = None
while path != '':
path, last = path.rsplit('/', 1)
extra_path = '/' + last + extra_path
if path in static_files:
f = static_files[path]
break
elif path + '/' in static_files:
f = static_files[path + '/']
break
if f:
if isinstance(f, str):
f = {'filename': f}
else:
f = f.copy() # in case it is mutated below
if f['filename'].endswith('/') and extra_path.startswith('/'):
extra_path = extra_path[1:]
f['filename'] += extra_path
if f['filename'].endswith('/'):
if '' in static_files:
if isinstance(static_files[''], str):
f['filename'] += static_files['']
else:
f['filename'] += static_files['']['filename']
if 'content_type' in static_files['']:
f['content_type'] = static_files['']['content_type']
else:
f['filename'] += 'index.html'
if 'content_type' not in f:
ext = f['filename'].rsplit('.')[-1]
f['content_type'] = content_types.get(
ext, 'application/octet-stream')
return f
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