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python2.7
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jinja2
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exceptions.py
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# -*- coding: utf-8 -*- """ jinja2.exceptions ~~~~~~~~~~~~~~~~~ Jinja exceptions. :copyright: (c) 2010 by the Jinja Team. :license: BSD, see LICENSE for more details. """ from jinja2._compat import imap, text_type, PY2, implements_to_string class TemplateError(Exception): """Baseclass for all template errors.""" if PY2: def __init__(self, message=None): if message is not None: message = text_type(message).encode('utf-8') Exception.__init__(self, message) @property def message(self): if self.args: message = self.args[0] if message is not None: return message.decode('utf-8', 'replace') def __unicode__(self): return self.message or u'' else: def __init__(self, message=None): Exception.__init__(self, message) @property def message(self): if self.args: message = self.args[0] if message is not None: return message @implements_to_string class TemplateNotFound(IOError, LookupError, TemplateError): """Raised if a template does not exist.""" # looks weird, but removes the warning descriptor that just # bogusly warns us about message being deprecated message = None def __init__(self, name, message=None): IOError.__init__(self) if message is None: message = name self.message = message self.name = name self.templates = [name] def __str__(self): return self.message class TemplatesNotFound(TemplateNotFound): """Like :class:`TemplateNotFound` but raised if multiple templates are selected. This is a subclass of :class:`TemplateNotFound` exception, so just catching the base exception will catch both. .. versionadded:: 2.2 """ def __init__(self, names=(), message=None): if message is None: message = u'none of the templates given were found: ' + \ u', '.join(imap(text_type, names)) TemplateNotFound.__init__(self, names and names[-1] or None, message) self.templates = list(names) @implements_to_string class TemplateSyntaxError(TemplateError): """Raised to tell the user that there is a problem with the template.""" def __init__(self, message, lineno, name=None, filename=None): TemplateError.__init__(self, message) self.lineno = lineno self.name = name self.filename = filename self.source = None # this is set to True if the debug.translate_syntax_error # function translated the syntax error into a new traceback self.translated = False def __str__(self): # for translated errors we only return the message if self.translated: return self.message # otherwise attach some stuff location = 'line %d' % self.lineno name = self.filename or self.name if name: location = 'File "%s", %s' % (name, location) lines = [self.message, ' ' + location] # if the source is set, add the line to the output if self.source is not None: try: line = self.source.splitlines()[self.lineno - 1] except IndexError: line = None if line: lines.append(' ' + line.strip()) return u'\n'.join(lines) class TemplateAssertionError(TemplateSyntaxError): """Like a template syntax error, but covers cases where something in the template caused an error at compile time that wasn't necessarily caused by a syntax error. However it's a direct subclass of :exc:`TemplateSyntaxError` and has the same attributes. """ class TemplateRuntimeError(TemplateError): """A generic runtime error in the template engine. Under some situations Jinja may raise this exception. """ class UndefinedError(TemplateRuntimeError): """Raised if a template tries to operate on :class:`Undefined`.""" class SecurityError(TemplateRuntimeError): """Raised if a template tries to do something insecure if the sandbox is enabled. """ class FilterArgumentError(TemplateRuntimeError): """This error is raised if a filter was called with inappropriate arguments """
/home/../lib/python2.7/site-packages/./jinja2/./exceptions.py