def build_def_single_markup(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
assert token == "def "
stmt, nodes = value
if len(nodes) > 2:
return False
ln, token, nodes = nodes[0]
if token != "out" or len(nodes) > 1:
return False
ln, token, value = nodes[0]
if token != "markup":
return False
def_name = stmt[4:stmt.index("(", 5)]
builder.add(lineno, stmt)
builder.start_block()
builder.add(ln, "return " + value)
builder.end_block()
builder.add(
ln + 1,
def_name.join((
"super_defs['",
"'] = ",
"; ",
" = local_defs.setdefault('",
"', ",
")",
)),
)
return True
def build_module(builder: Builder, lineno: int, token: str,
nodes: typing.List[typing.Any]) -> bool:
assert token == "module"
for lineno, token, value in nodes:
if token == "def ":
builder.build_token(lineno, token, value)
return True
def build_require(builder: Builder, lineno: int, token: str,
variables: typing.List[str]) -> bool:
assert token == "require"
builder.add(
lineno,
"; ".join([name + " = ctx['" + name + "']" for name in variables]),
)
return True
def build_var(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
assert token == "var"
var, var_filters = value
if var_filters:
for f in var_filters:
var = known_var_filters.get(f, f) + "(" + var + ")"
builder.add(lineno, "w(" + var + ")")
return True
def build_var(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
assert token == "var"
var, var_filters = value
if not var_filters:
builder.add(lineno, "w(e(str(" + var + ")))")
return True
if "safe" in var_filters:
builder.add(lineno, "w(" + var + ")")
return True
return False
def build_from(
builder: Builder,
lineno: int,
token: str,
value: typing.Tuple[str, str, str],
) -> bool:
assert token == "from "
name, var, alias = value
builder.add(lineno,
alias + " = _i(" + name + ").local_defs['" + var + "']")
return True
def build_def_syntax_check(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
assert token == "def "
stmt, nodes = value
lineno, token, value = nodes[0]
if token in compound_tokens:
builder.add(lineno, stmt)
builder.start_block()
token = token.rstrip()
error = """\
The compound statement '%s' is not allowed here. \
Add a line before it with @#ignore or leave it empty.
%s
@#ignore
@%s ...""" % (
token,
stmt,
token,
)
builder.add(lineno, "raise SyntaxError(%s)" % repr(error))
builder.end_block()
return True
elif len(nodes) > 1:
# token before @end
lineno, token, value = nodes[-2]
if token == "#":
del nodes[-2]
return False
def build_compound(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
assert token in compound_tokens
stmt, nodes = value
builder.add(lineno, stmt)
builder.start_block()
builder.build_block(nodes)
builder.end_block()
return True
def build_extends(builder: Builder, lineno: int, token: str,
nodes: typing.List[typing.Any]) -> bool:
assert token == "render"
n = len(nodes)
if not n:
return False
lineno, token, value = nodes[-1]
if token != "extends":
return False
extends, nested = value
if n > 1:
nested = nodes[:-1] + nested
for lineno, token, value in nested:
if token in extends_tokens:
builder.build_token(lineno, token, value)
builder.add(
builder.lineno + 1,
"return _r(" + extends + ", ctx, local_defs, super_defs)",
)
return True
def build_def_empty(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
assert token == "def "
stmt, nodes = value
if len(nodes) > 1:
return False
def_name = stmt[4:stmt.index("(", 5)]
builder.add(lineno, stmt)
builder.start_block()
builder.add(lineno, "return ''")
builder.end_block()
builder.add(
lineno + 1,
def_name.join((
"super_defs['",
"'] = ",
"; ",
" = local_defs.setdefault('",
"', ",
")",
)),
)
return True
def build_render(builder: Builder, lineno: int, token: str,
nodes: typing.Iterable[Token]) -> bool:
assert lineno <= 0
assert token == "render"
builder.add(lineno, WRITER_DECLARE)
builder.build_block(nodes)
lineno = builder.lineno
builder.add(lineno + 1, WRITER_RETURN)
return True
def build_render_single_markup(builder: Builder, lineno: int, token: str,
nodes: typing.List[typing.Any]) -> bool:
assert lineno <= 0
assert token == "render"
if len(nodes) > 1:
return False
if len(nodes) == 0:
builder.add(lineno, "return ''")
return True
ln, token, nodes = nodes[0]
if token != "out" or len(nodes) > 1:
return False
ln, token, value = nodes[0]
if token != "markup":
return False
if value:
builder.add(ln, "return " + value)
else:
builder.add(ln, "return ''")
return True
def build_markup(builder: Builder, lineno: int, token: str,
value: str) -> bool:
assert token == "markup"
if value:
builder.add(lineno, "w(" + value + ")")
return True
def build_include(builder: Builder, lineno: int, token: str,
value: str) -> bool:
assert token == "include"
builder.add(lineno, "w(_r(" + value + ", ctx, local_defs, super_defs))")
return True
def build_import(builder: Builder, lineno: int, token: str,
value: typing.Tuple[str, str]) -> bool:
assert token == "import "
name, var = value
builder.add(lineno, var + " = _i(" + name + ")")
return True
def build_comment(builder: Builder, lineno: int, token: str,
comment: str) -> bool:
assert token == "#"
builder.add(lineno, comment)
return True
def build_end(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
if builder.lineno != lineno:
builder.add(lineno - 1, "")
return True
def build_def(builder: Builder, lineno: int, token: str,
value: typing.Any) -> bool:
assert token == "def "
stmt, nodes = value
def_name = stmt[4:stmt.index("(", 5)]
builder.add(lineno, stmt)
builder.start_block()
builder.add(lineno + 1, WRITER_DECLARE)
builder.build_block(nodes)
lineno = builder.lineno
builder.add(lineno, WRITER_RETURN)
builder.end_block()
builder.add(
lineno + 1,
def_name.join((
"super_defs['",
"'] = ",
"; ",
" = local_defs.setdefault('",
"', ",
")",
)),
)
return True
def build_code(builder: Builder, lineno: int, token: str,
lines: typing.List[str]) -> bool:
for line in lines:
builder.add(lineno, line)
lineno += 1
return True
def build_out(builder: Builder, lineno: int, token: str,
nodes: typing.Iterable[Token]) -> bool:
assert token == "out"
builder.build_block(nodes)
return True
