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Merge branch 'master' of https://github.com/cbhaley/calibre

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Kovid Goyal 2022-10-29 19:40:18 +05:30
commit 75bda0cd3a
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1 changed files with 19 additions and 21 deletions
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40
src/calibre/utils/formatter.py
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@ -1827,29 +1827,12 @@ class TemplateFormatter(string.Formatter):
# reference can use different parameters when calling safe_format(). Because
# the parameters are saved as instance variables they can possibly affect
# the 'calling' template. To avoid this problem, save the current formatter
# state when recursion is detected. There is no point in saving the level
# 0 state.
# state when recursion is detected. Save state at level zero to be sure that
# all class instance variables are restored to their base settings.
def save_state(self):
self.recursion_level += 1
if self.recursion_level > 0:
return (
(self.strip_results,
self.column_name,
self.template_cache,
self.kwargs,
self.book,
self.global_vars,
self.funcs,
self.locals,
self._caller,
self.python_context_object))
else:
return None
def restore_state(self, state):
self.recursion_level -= 1
if state is not None:
return (
(self.strip_results,
self.column_name,
self.template_cache,
@ -1859,7 +1842,22 @@ class TemplateFormatter(string.Formatter):
self.funcs,
self.locals,
self._caller,
self.python_context_object) = state
self.python_context_object))
def restore_state(self, state):
self.recursion_level -= 1
if state is None:
raise ValueError(_('Formatter state restored before saved'))
(self.strip_results,
self.column_name,
self.template_cache,
self.kwargs,
self.book,
self.global_vars,
self.funcs,
self.locals,
self._caller,
self.python_context_object) = state
# Allocate an interpreter if the formatter encounters a GPM or TPM template.
# We need to allocate additional interpreters if there is composite recursion