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Add a 'test' function to templates. Analogous to lookup, but inserts plain text instead of a template.

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This commit is contained in:
Charles Haley 2010-09-24 12:27:39 +01:00
parent 67c7555fd0
commit ad69ef985a
1 changed files with 7 additions and 0 deletions
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7
src/calibre/utils/formatter.py
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@ -23,6 +23,12 @@ class TemplateFormatter(string.Formatter):
else: else:
return self.vformat('{'+field_not_set.strip()+'}', [], self.kwargs) return self.vformat('{'+field_not_set.strip()+'}', [], self.kwargs)
def _test(self, val, value_if_set, value_not_set):
if val:
return value_if_set
else:
return value_not_set
def _ifempty(self, val, value_if_empty): def _ifempty(self, val, value_if_empty):
if val: if val:
return val return val
@ -45,6 +51,7 @@ class TemplateFormatter(string.Formatter):
'ifempty' : (1, _ifempty), 'ifempty' : (1, _ifempty),
'lookup' : (2, _lookup), 'lookup' : (2, _lookup),
'shorten' : (3, _shorten), 'shorten' : (3, _shorten),
'test' : (2, _lookup),
} }
format_string_re = re.compile(r'^(.*)\|(.*)\|(.*)$') format_string_re = re.compile(r'^(.*)\|(.*)\|(.*)$')