mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-16 06:44:54 +00:00
147 lines
4.3 KiB
Python
147 lines
4.3 KiB
Python
# -*- 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
|
|
"""
|