Загрузить файлы в «venv/Lib/site-packages/jinja2»
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38
venv/Lib/site-packages/jinja2/__init__.py
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38
venv/Lib/site-packages/jinja2/__init__.py
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"""Jinja is a template engine written in pure Python. It provides a
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non-XML syntax that supports inline expressions and an optional
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sandboxed environment.
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"""
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from .bccache import BytecodeCache as BytecodeCache
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from .bccache import FileSystemBytecodeCache as FileSystemBytecodeCache
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from .bccache import MemcachedBytecodeCache as MemcachedBytecodeCache
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from .environment import Environment as Environment
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from .environment import Template as Template
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from .exceptions import TemplateAssertionError as TemplateAssertionError
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from .exceptions import TemplateError as TemplateError
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from .exceptions import TemplateNotFound as TemplateNotFound
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from .exceptions import TemplateRuntimeError as TemplateRuntimeError
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from .exceptions import TemplatesNotFound as TemplatesNotFound
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from .exceptions import TemplateSyntaxError as TemplateSyntaxError
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from .exceptions import UndefinedError as UndefinedError
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from .loaders import BaseLoader as BaseLoader
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from .loaders import ChoiceLoader as ChoiceLoader
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from .loaders import DictLoader as DictLoader
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from .loaders import FileSystemLoader as FileSystemLoader
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from .loaders import FunctionLoader as FunctionLoader
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from .loaders import ModuleLoader as ModuleLoader
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from .loaders import PackageLoader as PackageLoader
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from .loaders import PrefixLoader as PrefixLoader
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from .runtime import ChainableUndefined as ChainableUndefined
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from .runtime import DebugUndefined as DebugUndefined
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from .runtime import make_logging_undefined as make_logging_undefined
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from .runtime import StrictUndefined as StrictUndefined
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from .runtime import Undefined as Undefined
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from .utils import clear_caches as clear_caches
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from .utils import is_undefined as is_undefined
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from .utils import pass_context as pass_context
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from .utils import pass_environment as pass_environment
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from .utils import pass_eval_context as pass_eval_context
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from .utils import select_autoescape as select_autoescape
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__version__ = "3.1.6"
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6
venv/Lib/site-packages/jinja2/_identifier.py
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6
venv/Lib/site-packages/jinja2/_identifier.py
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@@ -0,0 +1,6 @@
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import re
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# generated by scripts/generate_identifier_pattern.py
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pattern = re.compile(
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r"[\w·̀-ͯ·҃-֑҇-ׇֽֿׁׂׅׄؐ-ًؚ-ٰٟۖ-ۜ۟-۪ۤۧۨ-ܑۭܰ-݊ަ-ް߫-߽߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛࣓-ࣣ࣡-ःऺ-़ा-ॏ॑-ॗॢॣঁ-ঃ়া-ৄেৈো-্ৗৢৣ৾ਁ-ਃ਼ਾ-ੂੇੈੋ-੍ੑੰੱੵઁ-ઃ઼ા-ૅે-ૉો-્ૢૣૺ-૿ଁ-ଃ଼ା-ୄେୈୋ-୍ୖୗୢୣஂா-ூெ-ைொ-்ௗఀ-ఄా-ౄె-ైొ-్ౕౖౢౣಁ-ಃ಼ಾ-ೄೆ-ೈೊ-್ೕೖೢೣഀ-ഃ഻഼ാ-ൄെ-ൈൊ-്ൗൢൣංඃ්ා-ුූෘ-ෟෲෳัิ-ฺ็-๎ັິ-ູົຼ່-ໍ༹༘༙༵༷༾༿ཱ-྄྆྇ྍ-ྗྙ-ྼ࿆ါ-ှၖ-ၙၞ-ၠၢ-ၤၧ-ၭၱ-ၴႂ-ႍႏႚ-ႝ፝-፟ᜒ-᜔ᜲ-᜴ᝒᝓᝲᝳ឴-៓៝᠋-᠍ᢅᢆᢩᤠ-ᤫᤰ-᤻ᨗ-ᨛᩕ-ᩞ᩠-᩿᩼᪰-᪽ᬀ-ᬄ᬴-᭄᭫-᭳ᮀ-ᮂᮡ-ᮭ᯦-᯳ᰤ-᰷᳐-᳔᳒-᳨᳭ᳲ-᳴᳷-᳹᷀-᷹᷻-᷿‿⁀⁔⃐-⃥⃜⃡-⃰℘℮⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯꙯ꙴ-꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠣ-ꠧꢀꢁꢴ-ꣅ꣠-꣱ꣿꤦ-꤭ꥇ-꥓ꦀ-ꦃ꦳-꧀ꧥꨩ-ꨶꩃꩌꩍꩻ-ꩽꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫫ-ꫯꫵ꫶ꯣ-ꯪ꯬꯭ﬞ︀-️︠-︯︳︴﹍-﹏_𐇽𐋠𐍶-𐍺𐨁-𐨃𐨅𐨆𐨌-𐨏𐨸-𐨿𐨺𐫦𐫥𐴤-𐽆𐴧-𐽐𑀀-𑀂𑀸-𑁆𑁿-𑂂𑂰-𑂺𑄀-𑄂𑄧-𑄴𑅅𑅆𑅳𑆀-𑆂𑆳-𑇀𑇉-𑇌𑈬-𑈷𑈾𑋟-𑋪𑌀-𑌃𑌻𑌼𑌾-𑍄𑍇𑍈𑍋-𑍍𑍗𑍢𑍣𑍦-𑍬𑍰-𑍴𑐵-𑑆𑑞𑒰-𑓃𑖯-𑖵𑖸-𑗀𑗜𑗝𑘰-𑙀𑚫-𑚷𑜝-𑜫𑠬-𑠺𑨁-𑨊𑨳-𑨹𑨻-𑨾𑩇𑩑-𑩛𑪊-𑪙𑰯-𑰶𑰸-𑰿𑲒-𑲧𑲩-𑲶𑴱-𑴶𑴺𑴼𑴽𑴿-𑵅𑵇𑶊-𑶎𑶐𑶑𑶓-𑶗𑻳-𑻶𖫰-𖫴𖬰-𖬶𖽑-𖽾𖾏-𖾒𛲝𛲞𝅥-𝅩𝅭-𝅲𝅻-𝆂𝆅-𝆋𝆪-𝆭𝉂-𝉄𝨀-𝨶𝨻-𝩬𝩵𝪄𝪛-𝪟𝪡-𝪯𞀀-𞀆𞀈-𞀘𞀛-𞀡𞀣𞀤𞀦-𞣐𞀪-𞣖𞥄-𞥊󠄀-󠇯]+" # noqa: B950
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)
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99
venv/Lib/site-packages/jinja2/async_utils.py
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99
venv/Lib/site-packages/jinja2/async_utils.py
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import inspect
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import typing as t
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from functools import WRAPPER_ASSIGNMENTS
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from functools import wraps
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from .utils import _PassArg
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from .utils import pass_eval_context
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if t.TYPE_CHECKING:
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import typing_extensions as te
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V = t.TypeVar("V")
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def async_variant(normal_func): # type: ignore
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def decorator(async_func): # type: ignore
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pass_arg = _PassArg.from_obj(normal_func)
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need_eval_context = pass_arg is None
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if pass_arg is _PassArg.environment:
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def is_async(args: t.Any) -> bool:
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return t.cast(bool, args[0].is_async)
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else:
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def is_async(args: t.Any) -> bool:
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return t.cast(bool, args[0].environment.is_async)
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# Take the doc and annotations from the sync function, but the
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# name from the async function. Pallets-Sphinx-Themes
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# build_function_directive expects __wrapped__ to point to the
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# sync function.
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async_func_attrs = ("__module__", "__name__", "__qualname__")
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normal_func_attrs = tuple(set(WRAPPER_ASSIGNMENTS).difference(async_func_attrs))
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@wraps(normal_func, assigned=normal_func_attrs)
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@wraps(async_func, assigned=async_func_attrs, updated=())
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def wrapper(*args, **kwargs): # type: ignore
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b = is_async(args)
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if need_eval_context:
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args = args[1:]
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if b:
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return async_func(*args, **kwargs)
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return normal_func(*args, **kwargs)
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if need_eval_context:
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wrapper = pass_eval_context(wrapper)
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wrapper.jinja_async_variant = True # type: ignore[attr-defined]
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return wrapper
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return decorator
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_common_primitives = {int, float, bool, str, list, dict, tuple, type(None)}
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async def auto_await(value: t.Union[t.Awaitable["V"], "V"]) -> "V":
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# Avoid a costly call to isawaitable
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if type(value) in _common_primitives:
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return t.cast("V", value)
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if inspect.isawaitable(value):
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return await t.cast("t.Awaitable[V]", value)
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return value
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class _IteratorToAsyncIterator(t.Generic[V]):
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def __init__(self, iterator: "t.Iterator[V]"):
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self._iterator = iterator
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def __aiter__(self) -> "te.Self":
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return self
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async def __anext__(self) -> V:
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try:
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return next(self._iterator)
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except StopIteration as e:
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raise StopAsyncIteration(e.value) from e
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def auto_aiter(
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iterable: "t.Union[t.AsyncIterable[V], t.Iterable[V]]",
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) -> "t.AsyncIterator[V]":
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if hasattr(iterable, "__aiter__"):
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return iterable.__aiter__()
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else:
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return _IteratorToAsyncIterator(iter(iterable))
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async def auto_to_list(
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value: "t.Union[t.AsyncIterable[V], t.Iterable[V]]",
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) -> t.List["V"]:
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return [x async for x in auto_aiter(value)]
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408
venv/Lib/site-packages/jinja2/bccache.py
Normal file
408
venv/Lib/site-packages/jinja2/bccache.py
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@@ -0,0 +1,408 @@
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"""The optional bytecode cache system. This is useful if you have very
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complex template situations and the compilation of all those templates
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slows down your application too much.
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Situations where this is useful are often forking web applications that
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are initialized on the first request.
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"""
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import errno
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import fnmatch
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import marshal
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import os
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import pickle
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import stat
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import sys
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import tempfile
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import typing as t
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from hashlib import sha1
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from io import BytesIO
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from types import CodeType
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if t.TYPE_CHECKING:
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import typing_extensions as te
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from .environment import Environment
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class _MemcachedClient(te.Protocol):
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def get(self, key: str) -> bytes: ...
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def set(
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self, key: str, value: bytes, timeout: t.Optional[int] = None
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) -> None: ...
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bc_version = 5
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# Magic bytes to identify Jinja bytecode cache files. Contains the
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# Python major and minor version to avoid loading incompatible bytecode
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# if a project upgrades its Python version.
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bc_magic = (
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b"j2"
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+ pickle.dumps(bc_version, 2)
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+ pickle.dumps((sys.version_info[0] << 24) | sys.version_info[1], 2)
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)
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class Bucket:
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"""Buckets are used to store the bytecode for one template. It's created
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and initialized by the bytecode cache and passed to the loading functions.
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The buckets get an internal checksum from the cache assigned and use this
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to automatically reject outdated cache material. Individual bytecode
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cache subclasses don't have to care about cache invalidation.
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"""
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def __init__(self, environment: "Environment", key: str, checksum: str) -> None:
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self.environment = environment
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self.key = key
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self.checksum = checksum
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self.reset()
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def reset(self) -> None:
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"""Resets the bucket (unloads the bytecode)."""
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self.code: t.Optional[CodeType] = None
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def load_bytecode(self, f: t.BinaryIO) -> None:
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"""Loads bytecode from a file or file like object."""
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# make sure the magic header is correct
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magic = f.read(len(bc_magic))
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if magic != bc_magic:
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self.reset()
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return
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# the source code of the file changed, we need to reload
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checksum = pickle.load(f)
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if self.checksum != checksum:
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self.reset()
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return
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# if marshal_load fails then we need to reload
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try:
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self.code = marshal.load(f)
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except (EOFError, ValueError, TypeError):
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self.reset()
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return
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def write_bytecode(self, f: t.IO[bytes]) -> None:
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"""Dump the bytecode into the file or file like object passed."""
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if self.code is None:
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raise TypeError("can't write empty bucket")
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f.write(bc_magic)
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pickle.dump(self.checksum, f, 2)
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marshal.dump(self.code, f)
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def bytecode_from_string(self, string: bytes) -> None:
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"""Load bytecode from bytes."""
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self.load_bytecode(BytesIO(string))
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def bytecode_to_string(self) -> bytes:
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"""Return the bytecode as bytes."""
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out = BytesIO()
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self.write_bytecode(out)
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return out.getvalue()
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class BytecodeCache:
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"""To implement your own bytecode cache you have to subclass this class
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and override :meth:`load_bytecode` and :meth:`dump_bytecode`. Both of
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these methods are passed a :class:`~jinja2.bccache.Bucket`.
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A very basic bytecode cache that saves the bytecode on the file system::
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from os import path
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class MyCache(BytecodeCache):
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def __init__(self, directory):
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self.directory = directory
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def load_bytecode(self, bucket):
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filename = path.join(self.directory, bucket.key)
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if path.exists(filename):
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with open(filename, 'rb') as f:
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bucket.load_bytecode(f)
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def dump_bytecode(self, bucket):
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filename = path.join(self.directory, bucket.key)
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with open(filename, 'wb') as f:
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bucket.write_bytecode(f)
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A more advanced version of a filesystem based bytecode cache is part of
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Jinja.
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"""
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def load_bytecode(self, bucket: Bucket) -> None:
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"""Subclasses have to override this method to load bytecode into a
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bucket. If they are not able to find code in the cache for the
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bucket, it must not do anything.
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"""
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raise NotImplementedError()
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def dump_bytecode(self, bucket: Bucket) -> None:
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"""Subclasses have to override this method to write the bytecode
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from a bucket back to the cache. If it unable to do so it must not
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fail silently but raise an exception.
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"""
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raise NotImplementedError()
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def clear(self) -> None:
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"""Clears the cache. This method is not used by Jinja but should be
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implemented to allow applications to clear the bytecode cache used
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by a particular environment.
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"""
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def get_cache_key(
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self, name: str, filename: t.Optional[t.Union[str]] = None
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) -> str:
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"""Returns the unique hash key for this template name."""
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hash = sha1(name.encode("utf-8"))
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|
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if filename is not None:
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hash.update(f"|{filename}".encode())
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return hash.hexdigest()
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def get_source_checksum(self, source: str) -> str:
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"""Returns a checksum for the source."""
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return sha1(source.encode("utf-8")).hexdigest()
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def get_bucket(
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self,
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environment: "Environment",
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name: str,
|
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filename: t.Optional[str],
|
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source: str,
|
||||
) -> Bucket:
|
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"""Return a cache bucket for the given template. All arguments are
|
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mandatory but filename may be `None`.
|
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"""
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key = self.get_cache_key(name, filename)
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checksum = self.get_source_checksum(source)
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bucket = Bucket(environment, key, checksum)
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self.load_bytecode(bucket)
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return bucket
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|
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def set_bucket(self, bucket: Bucket) -> None:
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"""Put the bucket into the cache."""
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self.dump_bytecode(bucket)
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|
||||
|
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class FileSystemBytecodeCache(BytecodeCache):
|
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"""A bytecode cache that stores bytecode on the filesystem. It accepts
|
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two arguments: The directory where the cache items are stored and a
|
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pattern string that is used to build the filename.
|
||||
|
||||
If no directory is specified a default cache directory is selected. On
|
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Windows the user's temp directory is used, on UNIX systems a directory
|
||||
is created for the user in the system temp directory.
|
||||
|
||||
The pattern can be used to have multiple separate caches operate on the
|
||||
same directory. The default pattern is ``'__jinja2_%s.cache'``. ``%s``
|
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is replaced with the cache key.
|
||||
|
||||
>>> bcc = FileSystemBytecodeCache('/tmp/jinja_cache', '%s.cache')
|
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|
||||
This bytecode cache supports clearing of the cache using the clear method.
|
||||
"""
|
||||
|
||||
def __init__(
|
||||
self, directory: t.Optional[str] = None, pattern: str = "__jinja2_%s.cache"
|
||||
) -> None:
|
||||
if directory is None:
|
||||
directory = self._get_default_cache_dir()
|
||||
self.directory = directory
|
||||
self.pattern = pattern
|
||||
|
||||
def _get_default_cache_dir(self) -> str:
|
||||
def _unsafe_dir() -> "te.NoReturn":
|
||||
raise RuntimeError(
|
||||
"Cannot determine safe temp directory. You "
|
||||
"need to explicitly provide one."
|
||||
)
|
||||
|
||||
tmpdir = tempfile.gettempdir()
|
||||
|
||||
# On windows the temporary directory is used specific unless
|
||||
# explicitly forced otherwise. We can just use that.
|
||||
if os.name == "nt":
|
||||
return tmpdir
|
||||
if not hasattr(os, "getuid"):
|
||||
_unsafe_dir()
|
||||
|
||||
dirname = f"_jinja2-cache-{os.getuid()}"
|
||||
actual_dir = os.path.join(tmpdir, dirname)
|
||||
|
||||
try:
|
||||
os.mkdir(actual_dir, stat.S_IRWXU)
|
||||
except OSError as e:
|
||||
if e.errno != errno.EEXIST:
|
||||
raise
|
||||
try:
|
||||
os.chmod(actual_dir, stat.S_IRWXU)
|
||||
actual_dir_stat = os.lstat(actual_dir)
|
||||
if (
|
||||
actual_dir_stat.st_uid != os.getuid()
|
||||
or not stat.S_ISDIR(actual_dir_stat.st_mode)
|
||||
or stat.S_IMODE(actual_dir_stat.st_mode) != stat.S_IRWXU
|
||||
):
|
||||
_unsafe_dir()
|
||||
except OSError as e:
|
||||
if e.errno != errno.EEXIST:
|
||||
raise
|
||||
|
||||
actual_dir_stat = os.lstat(actual_dir)
|
||||
if (
|
||||
actual_dir_stat.st_uid != os.getuid()
|
||||
or not stat.S_ISDIR(actual_dir_stat.st_mode)
|
||||
or stat.S_IMODE(actual_dir_stat.st_mode) != stat.S_IRWXU
|
||||
):
|
||||
_unsafe_dir()
|
||||
|
||||
return actual_dir
|
||||
|
||||
def _get_cache_filename(self, bucket: Bucket) -> str:
|
||||
return os.path.join(self.directory, self.pattern % (bucket.key,))
|
||||
|
||||
def load_bytecode(self, bucket: Bucket) -> None:
|
||||
filename = self._get_cache_filename(bucket)
|
||||
|
||||
# Don't test for existence before opening the file, since the
|
||||
# file could disappear after the test before the open.
|
||||
try:
|
||||
f = open(filename, "rb")
|
||||
except (FileNotFoundError, IsADirectoryError, PermissionError):
|
||||
# PermissionError can occur on Windows when an operation is
|
||||
# in progress, such as calling clear().
|
||||
return
|
||||
|
||||
with f:
|
||||
bucket.load_bytecode(f)
|
||||
|
||||
def dump_bytecode(self, bucket: Bucket) -> None:
|
||||
# Write to a temporary file, then rename to the real name after
|
||||
# writing. This avoids another process reading the file before
|
||||
# it is fully written.
|
||||
name = self._get_cache_filename(bucket)
|
||||
f = tempfile.NamedTemporaryFile(
|
||||
mode="wb",
|
||||
dir=os.path.dirname(name),
|
||||
prefix=os.path.basename(name),
|
||||
suffix=".tmp",
|
||||
delete=False,
|
||||
)
|
||||
|
||||
def remove_silent() -> None:
|
||||
try:
|
||||
os.remove(f.name)
|
||||
except OSError:
|
||||
# Another process may have called clear(). On Windows,
|
||||
# another program may be holding the file open.
|
||||
pass
|
||||
|
||||
try:
|
||||
with f:
|
||||
bucket.write_bytecode(f)
|
||||
except BaseException:
|
||||
remove_silent()
|
||||
raise
|
||||
|
||||
try:
|
||||
os.replace(f.name, name)
|
||||
except OSError:
|
||||
# Another process may have called clear(). On Windows,
|
||||
# another program may be holding the file open.
|
||||
remove_silent()
|
||||
except BaseException:
|
||||
remove_silent()
|
||||
raise
|
||||
|
||||
def clear(self) -> None:
|
||||
# imported lazily here because google app-engine doesn't support
|
||||
# write access on the file system and the function does not exist
|
||||
# normally.
|
||||
from os import remove
|
||||
|
||||
files = fnmatch.filter(os.listdir(self.directory), self.pattern % ("*",))
|
||||
for filename in files:
|
||||
try:
|
||||
remove(os.path.join(self.directory, filename))
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
|
||||
class MemcachedBytecodeCache(BytecodeCache):
|
||||
"""This class implements a bytecode cache that uses a memcache cache for
|
||||
storing the information. It does not enforce a specific memcache library
|
||||
(tummy's memcache or cmemcache) but will accept any class that provides
|
||||
the minimal interface required.
|
||||
|
||||
Libraries compatible with this class:
|
||||
|
||||
- `cachelib <https://github.com/pallets/cachelib>`_
|
||||
- `python-memcached <https://pypi.org/project/python-memcached/>`_
|
||||
|
||||
(Unfortunately the django cache interface is not compatible because it
|
||||
does not support storing binary data, only text. You can however pass
|
||||
the underlying cache client to the bytecode cache which is available
|
||||
as `django.core.cache.cache._client`.)
|
||||
|
||||
The minimal interface for the client passed to the constructor is this:
|
||||
|
||||
.. class:: MinimalClientInterface
|
||||
|
||||
.. method:: set(key, value[, timeout])
|
||||
|
||||
Stores the bytecode in the cache. `value` is a string and
|
||||
`timeout` the timeout of the key. If timeout is not provided
|
||||
a default timeout or no timeout should be assumed, if it's
|
||||
provided it's an integer with the number of seconds the cache
|
||||
item should exist.
|
||||
|
||||
.. method:: get(key)
|
||||
|
||||
Returns the value for the cache key. If the item does not
|
||||
exist in the cache the return value must be `None`.
|
||||
|
||||
The other arguments to the constructor are the prefix for all keys that
|
||||
is added before the actual cache key and the timeout for the bytecode in
|
||||
the cache system. We recommend a high (or no) timeout.
|
||||
|
||||
This bytecode cache does not support clearing of used items in the cache.
|
||||
The clear method is a no-operation function.
|
||||
|
||||
.. versionadded:: 2.7
|
||||
Added support for ignoring memcache errors through the
|
||||
`ignore_memcache_errors` parameter.
|
||||
"""
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
client: "_MemcachedClient",
|
||||
prefix: str = "jinja2/bytecode/",
|
||||
timeout: t.Optional[int] = None,
|
||||
ignore_memcache_errors: bool = True,
|
||||
):
|
||||
self.client = client
|
||||
self.prefix = prefix
|
||||
self.timeout = timeout
|
||||
self.ignore_memcache_errors = ignore_memcache_errors
|
||||
|
||||
def load_bytecode(self, bucket: Bucket) -> None:
|
||||
try:
|
||||
code = self.client.get(self.prefix + bucket.key)
|
||||
except Exception:
|
||||
if not self.ignore_memcache_errors:
|
||||
raise
|
||||
else:
|
||||
bucket.bytecode_from_string(code)
|
||||
|
||||
def dump_bytecode(self, bucket: Bucket) -> None:
|
||||
key = self.prefix + bucket.key
|
||||
value = bucket.bytecode_to_string()
|
||||
|
||||
try:
|
||||
if self.timeout is not None:
|
||||
self.client.set(key, value, self.timeout)
|
||||
else:
|
||||
self.client.set(key, value)
|
||||
except Exception:
|
||||
if not self.ignore_memcache_errors:
|
||||
raise
|
||||
1998
venv/Lib/site-packages/jinja2/compiler.py
Normal file
1998
venv/Lib/site-packages/jinja2/compiler.py
Normal file
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user