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Replace colon and exclamation in notification eval expression

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JonnyWong16 2021-07-28 18:15:51 -07:00
commit 670d2b31f7
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1 changed files with 19 additions and 7 deletions
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26
plexpy/notification_handler.py
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@ -1840,6 +1840,11 @@ def str_eval(field_name, kwargs):
class CustomFormatter(Formatter):
def __init__(self, default='{{{0}}}'):
self.default = default
self.eval_regex = re.compile(r'`.*?`')
self.eval_replace = {
':': '%%colon%%',
'!': '%%exclamation%%'
}
def convert_field(self, value, conversion):
if conversion is None:
@ -1887,13 +1892,20 @@ class CustomFormatter(Formatter):
return super(CustomFormatter, self).get_value(key, args, kwargs)
def parse(self, format_string):
# Replace characters in eval expression
for match in re.findall(self.eval_regex, format_string):
replaced = match
for k, v in self.eval_replace.items():
replaced = replaced.replace(k, v)
format_string = format_string.replace(match, replaced)
parsed = super(CustomFormatter, self).parse(format_string)
for literal_text, field_name, format_spec, conversion in parsed:
# Fix colon (:) inside an eval expression being parsed as a format specifier
if (field_name and field_name.startswith('`') and
format_spec and format_spec.endswith('`')):
field_name += ':' + format_spec
format_spec = ''
# Restore characters in eval expression
if field_name:
for k, v in self.eval_replace.items():
field_name = field_name.replace(v, k)
real_format_string = ''
if field_name:
@ -1906,8 +1918,8 @@ class CustomFormatter(Formatter):
prefix = None
suffix = None
matches = re.findall(r'`.*?`', real_format_string)
temp_format_string = re.sub(r'`.*`', '{}', real_format_string)
matches = re.findall(self.eval_regex, real_format_string)
temp_format_string = re.sub(self.eval_regex, '{}', real_format_string)
prefix_split = temp_format_string.split('<')
if len(prefix_split) == 2: