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authorfloatdrop <floatdrop@yandex-team.ru>2022-02-10 16:47:15 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:47:15 +0300
commite63b84f1d39557d9e46ac380b1f388271894293c (patch)
tree338cdaff3fb027e030b847db66df06019a0e3149 /contrib/python/Jinja2/py2/jinja2/meta.py
parentf60febb7ea449535e7b073c386c7ff0539637fc0 (diff)
downloadydb-e63b84f1d39557d9e46ac380b1f388271894293c.tar.gz
Restoring authorship annotation for <floatdrop@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/python/Jinja2/py2/jinja2/meta.py')
-rw-r--r--contrib/python/Jinja2/py2/jinja2/meta.py174
1 files changed, 87 insertions, 87 deletions
diff --git a/contrib/python/Jinja2/py2/jinja2/meta.py b/contrib/python/Jinja2/py2/jinja2/meta.py
index 3795aace59..17144c65fa 100644
--- a/contrib/python/Jinja2/py2/jinja2/meta.py
+++ b/contrib/python/Jinja2/py2/jinja2/meta.py
@@ -1,101 +1,101 @@
-# -*- coding: utf-8 -*-
+# -*- coding: utf-8 -*-
"""Functions that expose information about templates that might be
interesting for introspection.
-"""
+"""
from . import nodes
from ._compat import iteritems
from ._compat import string_types
from .compiler import CodeGenerator
-
-
-class TrackingCodeGenerator(CodeGenerator):
- """We abuse the code generator for introspection."""
-
- def __init__(self, environment):
+
+
+class TrackingCodeGenerator(CodeGenerator):
+ """We abuse the code generator for introspection."""
+
+ def __init__(self, environment):
CodeGenerator.__init__(self, environment, "<introspection>", "<introspection>")
- self.undeclared_identifiers = set()
-
- def write(self, x):
- """Don't write."""
-
- def enter_frame(self, frame):
- """Remember all undeclared identifiers."""
- CodeGenerator.enter_frame(self, frame)
- for _, (action, param) in iteritems(frame.symbols.loads):
+ self.undeclared_identifiers = set()
+
+ def write(self, x):
+ """Don't write."""
+
+ def enter_frame(self, frame):
+ """Remember all undeclared identifiers."""
+ CodeGenerator.enter_frame(self, frame)
+ for _, (action, param) in iteritems(frame.symbols.loads):
if action == "resolve" and param not in self.environment.globals:
- self.undeclared_identifiers.add(param)
-
-
-def find_undeclared_variables(ast):
- """Returns a set of all variables in the AST that will be looked up from
- the context at runtime. Because at compile time it's not known which
- variables will be used depending on the path the execution takes at
- runtime, all variables are returned.
-
- >>> from jinja2 import Environment, meta
- >>> env = Environment()
- >>> ast = env.parse('{% set foo = 42 %}{{ bar + foo }}')
- >>> meta.find_undeclared_variables(ast) == set(['bar'])
- True
-
- .. admonition:: Implementation
-
- Internally the code generator is used for finding undeclared variables.
- This is good to know because the code generator might raise a
- :exc:`TemplateAssertionError` during compilation and as a matter of
- fact this function can currently raise that exception as well.
- """
- codegen = TrackingCodeGenerator(ast.environment)
- codegen.visit(ast)
- return codegen.undeclared_identifiers
-
-
-def find_referenced_templates(ast):
- """Finds all the referenced templates from the AST. This will return an
- iterator over all the hardcoded template extensions, inclusions and
- imports. If dynamic inheritance or inclusion is used, `None` will be
- yielded.
-
- >>> from jinja2 import Environment, meta
- >>> env = Environment()
- >>> ast = env.parse('{% extends "layout.html" %}{% include helper %}')
- >>> list(meta.find_referenced_templates(ast))
- ['layout.html', None]
-
- This function is useful for dependency tracking. For example if you want
- to rebuild parts of the website after a layout template has changed.
- """
+ self.undeclared_identifiers.add(param)
+
+
+def find_undeclared_variables(ast):
+ """Returns a set of all variables in the AST that will be looked up from
+ the context at runtime. Because at compile time it's not known which
+ variables will be used depending on the path the execution takes at
+ runtime, all variables are returned.
+
+ >>> from jinja2 import Environment, meta
+ >>> env = Environment()
+ >>> ast = env.parse('{% set foo = 42 %}{{ bar + foo }}')
+ >>> meta.find_undeclared_variables(ast) == set(['bar'])
+ True
+
+ .. admonition:: Implementation
+
+ Internally the code generator is used for finding undeclared variables.
+ This is good to know because the code generator might raise a
+ :exc:`TemplateAssertionError` during compilation and as a matter of
+ fact this function can currently raise that exception as well.
+ """
+ codegen = TrackingCodeGenerator(ast.environment)
+ codegen.visit(ast)
+ return codegen.undeclared_identifiers
+
+
+def find_referenced_templates(ast):
+ """Finds all the referenced templates from the AST. This will return an
+ iterator over all the hardcoded template extensions, inclusions and
+ imports. If dynamic inheritance or inclusion is used, `None` will be
+ yielded.
+
+ >>> from jinja2 import Environment, meta
+ >>> env = Environment()
+ >>> ast = env.parse('{% extends "layout.html" %}{% include helper %}')
+ >>> list(meta.find_referenced_templates(ast))
+ ['layout.html', None]
+
+ This function is useful for dependency tracking. For example if you want
+ to rebuild parts of the website after a layout template has changed.
+ """
for node in ast.find_all(
(nodes.Extends, nodes.FromImport, nodes.Import, nodes.Include)
):
- if not isinstance(node.template, nodes.Const):
- # a tuple with some non consts in there
- if isinstance(node.template, (nodes.Tuple, nodes.List)):
- for template_name in node.template.items:
- # something const, only yield the strings and ignore
- # non-string consts that really just make no sense
- if isinstance(template_name, nodes.Const):
- if isinstance(template_name.value, string_types):
- yield template_name.value
- # something dynamic in there
- else:
- yield None
- # something dynamic we don't know about here
- else:
- yield None
- continue
- # constant is a basestring, direct template name
- if isinstance(node.template.value, string_types):
- yield node.template.value
- # a tuple or list (latter *should* not happen) made of consts,
- # yield the consts that are strings. We could warn here for
- # non string values
+ if not isinstance(node.template, nodes.Const):
+ # a tuple with some non consts in there
+ if isinstance(node.template, (nodes.Tuple, nodes.List)):
+ for template_name in node.template.items:
+ # something const, only yield the strings and ignore
+ # non-string consts that really just make no sense
+ if isinstance(template_name, nodes.Const):
+ if isinstance(template_name.value, string_types):
+ yield template_name.value
+ # something dynamic in there
+ else:
+ yield None
+ # something dynamic we don't know about here
+ else:
+ yield None
+ continue
+ # constant is a basestring, direct template name
+ if isinstance(node.template.value, string_types):
+ yield node.template.value
+ # a tuple or list (latter *should* not happen) made of consts,
+ # yield the consts that are strings. We could warn here for
+ # non string values
elif isinstance(node, nodes.Include) and isinstance(
node.template.value, (tuple, list)
):
- for template_name in node.template.value:
- if isinstance(template_name, string_types):
- yield template_name
- # something else we don't care about, we could warn here
- else:
- yield None
+ for template_name in node.template.value:
+ if isinstance(template_name, string_types):
+ yield template_name
+ # something else we don't care about, we could warn here
+ else:
+ yield None