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: /usr/lib/python3.9/site-packages/jinja2/idtracking.py

from ._compat import iteritems
from .visitor import NodeVisitor

VAR_LOAD_PARAMETER = "param"
VAR_LOAD_RESOLVE = "resolve"
VAR_LOAD_ALIAS = "alias"
VAR_LOAD_UNDEFINED = "undefined"

def find_symbols(nodes, parent_symbols=None):
    sym = Symbols(parent=parent_symbols)
    visitor = FrameSymbolVisitor(sym)
    for node in nodes:
        visitor.visit(node)
    return sym

def symbols_for_node(node, parent_symbols=None):
    sym = Symbols(parent=parent_symbols)
    sym.analyze_node(node)
    return sym

class Symbols(object):
    def __init__(self, parent=None, level=None):
        if level is None:
            if parent is None:
                level = 0
            else:
                level = parent.level + 1
        self.level = level
        self.parent = parent
        self.refs = {}
        self.loads = {}
        self.stores = set()

def analyze_node(self, node, **kwargs):
        visitor = RootVisitor(self)
        visitor.visit(node, **kwargs)

def _define_ref(self, name, load=None):
        ident = "l_%d_%s" % (self.level, name)
        self.refs[name] = ident
        if load is not None:
            self.loads[ident] = load
        return ident

def find_load(self, target):
        if target in self.loads:
            return self.loads[target]
        if self.parent is not None:
            return self.parent.find_load(target)

def find_ref(self, name):
        if name in self.refs:
            return self.refs[name]
        if self.parent is not None:
            return self.parent.find_ref(name)

def ref(self, name):
        rv = self.find_ref(name)
        if rv is None:
            raise AssertionError(
                "Tried to resolve a name to a reference that "
                "was unknown to the frame (%r)" % name
            )
        return rv

def copy(self):
        rv = object.__new__(self.__class__)
        rv.__dict__.update(self.__dict__)
        rv.refs = self.refs.copy()
        rv.loads = self.loads.copy()
        rv.stores = self.stores.copy()
        return rv

def store(self, name):
        self.stores.add(name)

# If we have not see the name referenced yet, we need to figure
        # out what to set it to.
        if name not in self.refs:
            # If there is a parent scope we check if the name has a
            # reference there.  If it does it means we might have to alias
            # to a variable there.
            if self.parent is not None:
                outer_ref = self.parent.find_ref(name)
                if outer_ref is not None:
                    self._define_ref(name, load=(VAR_LOAD_ALIAS, outer_ref))
                    return

# Otherwise we can just set it to undefined.
            self._define_ref(name, load=(VAR_LOAD_UNDEFINED, None))

def declare_parameter(self, name):
        self.stores.add(name)
        return self._define_ref(name, load=(VAR_LOAD_PARAMETER, None))

def load(self, name):
        target = self.find_ref(name)
        if target is None:
            self._define_ref(name, load=(VAR_LOAD_RESOLVE, name))

def branch_update(self, branch_symbols):
        stores = {}
        for branch in branch_symbols:
            for target in branch.stores:
                if target in self.stores:
                    continue
                stores[target] = stores.get(target, 0) + 1

for sym in branch_symbols:
            self.refs.update(sym.refs)
            self.loads.update(sym.loads)
            self.stores.update(sym.stores)

for name, branch_count in iteritems(stores):
            if branch_count == len(branch_symbols):
                continue
            target = self.find_ref(name)
            assert target is not None, "should not happen"

if self.parent is not None:
                outer_target = self.parent.find_ref(name)
                if outer_target is not None:
                    self.loads[target] = (VAR_LOAD_ALIAS, outer_target)
                    continue
            self.loads[target] = (VAR_LOAD_RESOLVE, name)

def dump_stores(self):
        rv = {}
        node = self
        while node is not None:
            for name in node.stores:
                if name not in rv:
                    rv[name] = self.find_ref(name)
            node = node.parent
        return rv

def dump_param_targets(self):
        rv = set()
        node = self
        while node is not None:
            for target, (instr, _) in iteritems(self.loads):
                if instr == VAR_LOAD_PARAMETER:
                    rv.add(target)
            node = node.parent
        return rv

class RootVisitor(NodeVisitor):
    def __init__(self, symbols):
        self.sym_visitor = FrameSymbolVisitor(symbols)

def _simple_visit(self, node, **kwargs):
        for child in node.iter_child_nodes():
            self.sym_visitor.visit(child)

visit_Template = (
        visit_Block
    ) = (
        visit_Macro
    ) = (
        visit_FilterBlock
    ) = visit_Scope = visit_If = visit_ScopedEvalContextModifier = _simple_visit

def visit_AssignBlock(self, node, **kwargs):
        for child in node.body:
            self.sym_visitor.visit(child)

def visit_CallBlock(self, node, **kwargs):
        for child in node.iter_child_nodes(exclude=("call",)):
            self.sym_visitor.visit(child)

def visit_OverlayScope(self, node, **kwargs):
        for child in node.body:
            self.sym_visitor.visit(child)

def visit_For(self, node, for_branch="body", **kwargs):
        if for_branch == "body":
            self.sym_visitor.visit(node.target, store_as_param=True)
            branch = node.body
        elif for_branch == "else":
            branch = node.else_
        elif for_branch == "test":
            self.sym_visitor.visit(node.target, store_as_param=True)
            if node.test is not None:
                self.sym_visitor.visit(node.test)
            return
        else:
            raise RuntimeError("Unknown for branch")
        for item in branch or ():
            self.sym_visitor.visit(item)

def visit_With(self, node, **kwargs):
        for target in node.targets:
            self.sym_visitor.visit(target)
        for child in node.body:
            self.sym_visitor.visit(child)

def generic_visit(self, node, *args, **kwargs):
        raise NotImplementedError(
            "Cannot find symbols for %r" % node.__class__.__name__
        )

class FrameSymbolVisitor(NodeVisitor):
    """A visitor for `Frame.inspect`."""

def __init__(self, symbols):
        self.symbols = symbols

def visit_Name(self, node, store_as_param=False, **kwargs):
        """All assignments to names go through this function."""
        if store_as_param or node.ctx == "param":
            self.symbols.declare_parameter(node.name)
        elif node.ctx == "store":
            self.symbols.store(node.name)
        elif node.ctx == "load":
            self.symbols.load(node.name)

def visit_NSRef(self, node, **kwargs):
        self.symbols.load(node.name)

def visit_If(self, node, **kwargs):
        self.visit(node.test, **kwargs)

original_symbols = self.symbols

def inner_visit(nodes):
            self.symbols = rv = original_symbols.copy()
            for subnode in nodes:
                self.visit(subnode, **kwargs)
            self.symbols = original_symbols
            return rv

body_symbols = inner_visit(node.body)
        elif_symbols = inner_visit(node.elif_)
        else_symbols = inner_visit(node.else_ or ())

self.symbols.branch_update([body_symbols, elif_symbols, else_symbols])

def visit_Macro(self, node, **kwargs):
        self.symbols.store(node.name)

def visit_Import(self, node, **kwargs):
        self.generic_visit(node, **kwargs)
        self.symbols.store(node.target)

def visit_FromImport(self, node, **kwargs):
        self.generic_visit(node, **kwargs)
        for name in node.names:
            if isinstance(name, tuple):
                self.symbols.store(name[1])
            else:
                self.symbols.store(name)

def visit_Assign(self, node, **kwargs):
        """Visit assignments in the correct order."""
        self.visit(node.node, **kwargs)
        self.visit(node.target, **kwargs)

def visit_For(self, node, **kwargs):
        """Visiting stops at for blocks.  However the block sequence
        is visited as part of the outer scope.
        """
        self.visit(node.iter, **kwargs)

def visit_CallBlock(self, node, **kwargs):
        self.visit(node.call, **kwargs)

def visit_FilterBlock(self, node, **kwargs):
        self.visit(node.filter, **kwargs)

def visit_With(self, node, **kwargs):
        for target in node.values:
            self.visit(target)

def visit_AssignBlock(self, node, **kwargs):
        """Stop visiting at block assigns."""
        self.visit(node.target, **kwargs)

def visit_Scope(self, node, **kwargs):
        """Stop visiting at scopes."""

def visit_Block(self, node, **kwargs):
        """Stop visiting at blocks."""

def visit_OverlayScope(self, node, **kwargs):
        """Do not visit into overlay scopes."""

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