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"""Helper functions for working with templates"""
import os
import re
import string
def render_templatefile(path, **kwargs):
with open(path, 'rb') as file:
raw = file.read()
content = string.Template(raw).substitute(**kwargs)
with open(path.rstrip('.tmpl'), 'wb') as file:
file.write(content)
if path.endswith('.tmpl'):
os.remove(path)
CAMELCASE_INVALID_CHARS = re.compile('[^a-zA-Z\d]')
def string_camelcase(string):
""" Convert a word to its CamelCase version and remove invalid chars
>>> string_camelcase('lost-pound')
'LostPound'
>>> string_camelcase('missing_images')
'MissingImages'
"""
return CAMELCASE_INVALID_CHARS.sub('', string.title())
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