PythonStringSubst.py :  » Web-Frameworks » Karrigell » Karrigell-3.1 » karrigell » package » extensions » Python Open Source

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Python Open Source » Web Frameworks » Karrigell 
Karrigell » Karrigell 3.1 » karrigell » package » extensions » PythonStringSubst.py
import urlparse
import string

class StringSubstError:
    pass

class action:
    def __init__(self, target):
        self.target = target
        
    def __call__(self,url,**namespace):
        # raise exception if version < 2.4
        if not hasattr(string,"Template"): # Python 2.4 or above
            raise StringSubstError,"Unable to handle this syntax for " + \
                "string substitution. Python version must be 2.4 or above"
        # apply Python string substitution
        abs_url = urlparse.urljoin(self.target.script_url,url)
        target = self.target.url_to_file(abs_url)
        templateDef = open(target.name).read()
        data = string.Template(templateDef).substitute(namespace)
        return data

    
    
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