ACIL FM

Nama	Ukuran	Aksi
__pycache__	-	Open
asyncfilters.py	4.15 MB	View DL Edit
asyncsupport.py	7.04 MB	View DL Edit
bccache.py	11.85 MB	View DL Edit
compiler.py	64.73 MB	View DL Edit
constants.py	1.42 MB	View DL Edit
debug.py	8.37 MB	View DL Edit
defaults.py	1.1 MB	View DL Edit
environment.py	49.44 MB	View DL Edit
exceptions.py	5.3 MB	View DL Edit
ext.py	25.82 MB	View DL Edit
filters.py	41.41 MB	View DL Edit
idtracking.py	9 MB	View DL Edit
lexer.py	29.62 MB	View DL Edit
loaders.py	17.25 MB	View DL Edit
meta.py	4.03 MB	View DL Edit
nativetypes.py	2.75 MB	View DL Edit
nodes.py	30.37 MB	View DL Edit
optimizer.py	1.42 MB	View DL Edit
parser.py	34.82 MB	View DL Edit
runtime.py	29.9 MB	View DL Edit
sandbox.py	17.12 MB	View DL Edit
tests.py	4.69 MB	View DL Edit
utils.py	21.91 MB	View DL Edit
visitor.py	3.16 MB	View DL Edit
_compat.py	3.12 MB	View DL Edit
_identifier.py	1.73 MB	View DL Edit
__init__.py	1.51 MB	View DL Edit

Edit file: /lib/python3.9/site-packages/jinja2/optimizer.py

# -*- coding: utf-8 -*-
"""The optimizer tries to constant fold expressions and modify the AST
in place so that it should be faster to evaluate.

Because the AST does not contain all the scoping information and the
compiler has to find that out, we cannot do all the optimizations we
want. For example, loop unrolling doesn't work because unrolled loops
would have a different scope. The solution would be a second syntax tree
that stored the scoping rules.
"""
from . import nodes
from .visitor import NodeTransformer

def optimize(node, environment):
    """The context hint can be used to perform an static optimization
    based on the context given."""
    optimizer = Optimizer(environment)
    return optimizer.visit(node)

class Optimizer(NodeTransformer):
    def __init__(self, environment):
        self.environment = environment

def generic_visit(self, node, *args, **kwargs):
        node = super(Optimizer, self).generic_visit(node, *args, **kwargs)

# Do constant folding. Some other nodes besides Expr have
        # as_const, but folding them causes errors later on.
        if isinstance(node, nodes.Expr):
            try:
                return nodes.Const.from_untrusted(
                    node.as_const(args[0] if args else None),
                    lineno=node.lineno,
                    environment=self.environment,
                )
            except nodes.Impossible:
                pass

return node

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