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ladeng07
2022-05-06 15:45:57 +08:00
parent 12f390949b
commit 51552904f9
2347 changed files with 120102 additions and 53549 deletions
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venv/Lib/site-packages/django/template/smartif.py
+15 -20
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@@ -13,7 +13,6 @@ class TokenBase:
Base class for operators and literals, mainly for debugging and for throwing
syntax errors.
"""
id = None # node/token type name
value = None # used by literals
first = second = None # used by tree nodes
@@ -46,7 +45,6 @@ def infix(bp, func):
Create an infix operator, given a binding power and a function that
evaluates the node.
"""
class Operator(TokenBase):
lbp = bp
@@ -72,7 +70,6 @@ def prefix(bp, func):
Create a prefix operator, given a binding power and a function that
evaluates the node.
"""
class Operator(TokenBase):
lbp = bp
@@ -94,19 +91,19 @@ def prefix(bp, func):
# We defer variable evaluation to the lambda to ensure that terms are
# lazily evaluated using Python's boolean parsing logic.
OPERATORS = {
"or": infix(6, lambda context, x, y: x.eval(context) or y.eval(context)),
"and": infix(7, lambda context, x, y: x.eval(context) and y.eval(context)),
"not": prefix(8, lambda context, x: not x.eval(context)),
"in": infix(9, lambda context, x, y: x.eval(context) in y.eval(context)),
"not in": infix(9, lambda context, x, y: x.eval(context) not in y.eval(context)),
"is": infix(10, lambda context, x, y: x.eval(context) is y.eval(context)),
"is not": infix(10, lambda context, x, y: x.eval(context) is not y.eval(context)),
"==": infix(10, lambda context, x, y: x.eval(context) == y.eval(context)),
"!=": infix(10, lambda context, x, y: x.eval(context) != y.eval(context)),
">": infix(10, lambda context, x, y: x.eval(context) > y.eval(context)),
">=": infix(10, lambda context, x, y: x.eval(context) >= y.eval(context)),
"<": infix(10, lambda context, x, y: x.eval(context) < y.eval(context)),
"<=": infix(10, lambda context, x, y: x.eval(context) <= y.eval(context)),
'or': infix(6, lambda context, x, y: x.eval(context) or y.eval(context)),
'and': infix(7, lambda context, x, y: x.eval(context) and y.eval(context)),
'not': prefix(8, lambda context, x: not x.eval(context)),
'in': infix(9, lambda context, x, y: x.eval(context) in y.eval(context)),
'not in': infix(9, lambda context, x, y: x.eval(context) not in y.eval(context)),
'is': infix(10, lambda context, x, y: x.eval(context) is y.eval(context)),
'is not': infix(10, lambda context, x, y: x.eval(context) is not y.eval(context)),
'==': infix(10, lambda context, x, y: x.eval(context) == y.eval(context)),
'!=': infix(10, lambda context, x, y: x.eval(context) != y.eval(context)),
'>': infix(10, lambda context, x, y: x.eval(context) > y.eval(context)),
'>=': infix(10, lambda context, x, y: x.eval(context) >= y.eval(context)),
'<': infix(10, lambda context, x, y: x.eval(context) < y.eval(context)),
'<=': infix(10, lambda context, x, y: x.eval(context) <= y.eval(context)),
}
# Assign 'id' to each:
@@ -118,7 +115,6 @@ class Literal(TokenBase):
"""
A basic self-resolvable object similar to a Django template variable.
"""
# IfParser uses Literal in create_var, but TemplateIfParser overrides
# create_var so that a proper implementation that actually resolves
# variables, filters etc. is used.
@@ -194,9 +190,8 @@ class IfParser:
retval = self.expression()
# Check that we have exhausted all the tokens
if self.current_token is not EndToken:
raise self.error_class(
"Unused '%s' at end of if expression." % self.current_token.display()
)
raise self.error_class("Unused '%s' at end of if expression." %
self.current_token.display())
return retval
def expression(self, rbp=0):