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Mini Shell
Mini Shell
import json
import linecache
import logging
import os
import sys
import threading
import subprocess
from datetime import datetime
import sentry_sdk
from sentry_sdk._compat import urlparse, text_type, implements_str, PY2
from sentry_sdk._types import MYPY
if MYPY:
from types import FrameType
from types import TracebackType
from typing import Any
from typing import Callable
from typing import Dict
from typing import ContextManager
from typing import Iterator
from typing import List
from typing import Optional
from typing import Set
from typing import Tuple
from typing import Union
from typing import Type
from sentry_sdk._types import ExcInfo, EndpointType
epoch = datetime(1970, 1, 1)
# The logger is created here but initialized in the debug support module
logger = logging.getLogger("sentry_sdk.errors")
MAX_STRING_LENGTH = 512
MAX_FORMAT_PARAM_LENGTH = 128
def json_dumps(data):
# type: (Any) -> bytes
"""Serialize data into a compact JSON representation encoded as UTF-8."""
return json.dumps(data, allow_nan=False, separators=(",", ":")).encode("utf-8")
def _get_debug_hub():
# type: () -> Optional[sentry_sdk.Hub]
# This function is replaced by debug.py
pass
def get_default_release():
# type: () -> Optional[str]
"""Try to guess a default release."""
release = os.environ.get("SENTRY_RELEASE")
if release:
return release
with open(os.path.devnull, "w+") as null:
try:
release = (
subprocess.Popen(
["git", "rev-parse", "HEAD"],
stdout=subprocess.PIPE,
stderr=null,
stdin=null,
)
.communicate()[0]
.strip()
.decode("utf-8")
)
except (OSError, IOError):
pass
if release:
return release
for var in (
"HEROKU_SLUG_COMMIT",
"SOURCE_VERSION",
"CODEBUILD_RESOLVED_SOURCE_VERSION",
"CIRCLE_SHA1",
"GAE_DEPLOYMENT_ID",
):
release = os.environ.get(var)
if release:
return release
return None
class CaptureInternalException(object):
__slots__ = ()
def __enter__(self):
# type: () -> ContextManager[Any]
return self
def __exit__(self, ty, value, tb):
# type: (Optional[Type[BaseException]], Optional[BaseException], Optional[TracebackType]) -> bool
if ty is not None and value is not None:
capture_internal_exception((ty, value, tb))
return True
_CAPTURE_INTERNAL_EXCEPTION = CaptureInternalException()
def capture_internal_exceptions():
# type: () -> ContextManager[Any]
return _CAPTURE_INTERNAL_EXCEPTION
def capture_internal_exception(exc_info):
# type: (ExcInfo) -> None
hub = _get_debug_hub()
if hub is not None:
hub._capture_internal_exception(exc_info)
def to_timestamp(value):
# type: (datetime) -> float
return (value - epoch).total_seconds()
def format_timestamp(value):
# type: (datetime) -> str
return value.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
def event_hint_with_exc_info(exc_info=None):
# type: (Optional[ExcInfo]) -> Dict[str, Optional[ExcInfo]]
"""Creates a hint with the exc info filled in."""
if exc_info is None:
exc_info = sys.exc_info()
else:
exc_info = exc_info_from_error(exc_info)
if exc_info[0] is None:
exc_info = None
return {"exc_info": exc_info}
class BadDsn(ValueError):
"""Raised on invalid DSNs."""
@implements_str
class Dsn(object):
"""Represents a DSN."""
def __init__(self, value):
# type: (Union[Dsn, str]) -> None
if isinstance(value, Dsn):
self.__dict__ = dict(value.__dict__)
return
parts = urlparse.urlsplit(text_type(value))
if parts.scheme not in (u"http", u"https"):
raise BadDsn("Unsupported scheme %r" % parts.scheme)
self.scheme = parts.scheme
if parts.hostname is None:
raise BadDsn("Missing hostname")
self.host = parts.hostname
if parts.port is None:
self.port = self.scheme == "https" and 443 or 80
else:
self.port = parts.port
if not parts.username:
raise BadDsn("Missing public key")
self.public_key = parts.username
self.secret_key = parts.password
path = parts.path.rsplit("/", 1)
try:
self.project_id = text_type(int(path.pop()))
except (ValueError, TypeError):
raise BadDsn("Invalid project in DSN (%r)" % (parts.path or "")[1:])
self.path = "/".join(path) + "/"
@property
def netloc(self):
# type: () -> str
"""The netloc part of a DSN."""
rv = self.host
if (self.scheme, self.port) not in (("http", 80), ("https", 443)):
rv = "%s:%s" % (rv, self.port)
return rv
def to_auth(self, client=None):
# type: (Optional[Any]) -> Auth
"""Returns the auth info object for this dsn."""
return Auth(
scheme=self.scheme,
host=self.netloc,
path=self.path,
project_id=self.project_id,
public_key=self.public_key,
secret_key=self.secret_key,
client=client,
)
def __str__(self):
# type: () -> str
return "%s://%s%s@%s%s%s" % (
self.scheme,
self.public_key,
self.secret_key and "@" + self.secret_key or "",
self.netloc,
self.path,
self.project_id,
)
class Auth(object):
"""Helper object that represents the auth info."""
def __init__(
self,
scheme,
host,
project_id,
public_key,
secret_key=None,
version=7,
client=None,
path="/",
):
# type: (str, str, str, str, Optional[str], int, Optional[Any], str) -> None
self.scheme = scheme
self.host = host
self.path = path
self.project_id = project_id
self.public_key = public_key
self.secret_key = secret_key
self.version = version
self.client = client
@property
def store_api_url(self):
# type: () -> str
"""Returns the API url for storing events.
Deprecated: use get_api_url instead.
"""
return self.get_api_url(type="store")
def get_api_url(
self, type="store" # type: EndpointType
):
# type: (...) -> str
"""Returns the API url for storing events."""
return "%s://%s%sapi/%s/%s/" % (
self.scheme,
self.host,
self.path,
self.project_id,
type,
)
def to_header(self, timestamp=None):
# type: (Optional[datetime]) -> str
"""Returns the auth header a string."""
rv = [("sentry_key", self.public_key), ("sentry_version", self.version)]
if timestamp is not None:
rv.append(("sentry_timestamp", str(to_timestamp(timestamp))))
if self.client is not None:
rv.append(("sentry_client", self.client))
if self.secret_key is not None:
rv.append(("sentry_secret", self.secret_key))
return u"Sentry " + u", ".join("%s=%s" % (key, value) for key, value in rv)
class AnnotatedValue(object):
__slots__ = ("value", "metadata")
def __init__(self, value, metadata):
# type: (Optional[Any], Dict[str, Any]) -> None
self.value = value
self.metadata = metadata
if MYPY:
from typing import TypeVar
T = TypeVar("T")
Annotated = Union[AnnotatedValue, T]
def get_type_name(cls):
# type: (Optional[type]) -> Optional[str]
return getattr(cls, "__qualname__", None) or getattr(cls, "__name__", None)
def get_type_module(cls):
# type: (Optional[type]) -> Optional[str]
mod = getattr(cls, "__module__", None)
if mod not in (None, "builtins", "__builtins__"):
return mod
return None
def should_hide_frame(frame):
# type: (FrameType) -> bool
try:
mod = frame.f_globals["__name__"]
if mod.startswith("sentry_sdk."):
return True
except (AttributeError, KeyError):
pass
for flag_name in "__traceback_hide__", "__tracebackhide__":
try:
if frame.f_locals[flag_name]:
return True
except Exception:
pass
return False
def iter_stacks(tb):
# type: (Optional[TracebackType]) -> Iterator[TracebackType]
tb_ = tb # type: Optional[TracebackType]
while tb_ is not None:
if not should_hide_frame(tb_.tb_frame):
yield tb_
tb_ = tb_.tb_next
def get_lines_from_file(
filename, # type: str
lineno, # type: int
loader=None, # type: Optional[Any]
module=None, # type: Optional[str]
):
# type: (...) -> Tuple[List[Annotated[str]], Optional[Annotated[str]], List[Annotated[str]]]
context_lines = 5
source = None
if loader is not None and hasattr(loader, "get_source"):
try:
source_str = loader.get_source(module) # type: Optional[str]
except (ImportError, IOError):
source_str = None
if source_str is not None:
source = source_str.splitlines()
if source is None:
try:
source = linecache.getlines(filename)
except (OSError, IOError):
return [], None, []
if not source:
return [], None, []
lower_bound = max(0, lineno - context_lines)
upper_bound = min(lineno + 1 + context_lines, len(source))
try:
pre_context = [
strip_string(line.strip("\r\n")) for line in source[lower_bound:lineno]
]
context_line = strip_string(source[lineno].strip("\r\n"))
post_context = [
strip_string(line.strip("\r\n"))
for line in source[(lineno + 1) : upper_bound]
]
return pre_context, context_line, post_context
except IndexError:
# the file may have changed since it was loaded into memory
return [], None, []
def get_source_context(
frame, # type: FrameType
tb_lineno, # type: int
):
# type: (...) -> Tuple[List[Annotated[str]], Optional[Annotated[str]], List[Annotated[str]]]
try:
abs_path = frame.f_code.co_filename # type: Optional[str]
except Exception:
abs_path = None
try:
module = frame.f_globals["__name__"]
except Exception:
return [], None, []
try:
loader = frame.f_globals["__loader__"]
except Exception:
loader = None
lineno = tb_lineno - 1
if lineno is not None and abs_path:
return get_lines_from_file(abs_path, lineno, loader, module)
return [], None, []
def safe_str(value):
# type: (Any) -> str
try:
return text_type(value)
except Exception:
return safe_repr(value)
if PY2:
def safe_repr(value):
# type: (Any) -> str
try:
rv = repr(value).decode("utf-8", "replace")
# At this point `rv` contains a bunch of literal escape codes, like
# this (exaggerated example):
#
# u"\\x2f"
#
# But we want to show this string as:
#
# u"/"
try:
# unicode-escape does this job, but can only decode latin1. So we
# attempt to encode in latin1.
return rv.encode("latin1").decode("unicode-escape")
except Exception:
# Since usually strings aren't latin1 this can break. In those
# cases we just give up.
return rv
except Exception:
# If e.g. the call to `repr` already fails
return u"<broken repr>"
else:
def safe_repr(value):
# type: (Any) -> str
try:
return repr(value)
except Exception:
return "<broken repr>"
def filename_for_module(module, abs_path):
# type: (Optional[str], Optional[str]) -> Optional[str]
if not abs_path or not module:
return abs_path
try:
if abs_path.endswith(".pyc"):
abs_path = abs_path[:-1]
base_module = module.split(".", 1)[0]
if base_module == module:
return os.path.basename(abs_path)
base_module_path = sys.modules[base_module].__file__
return abs_path.split(base_module_path.rsplit(os.sep, 2)[0], 1)[-1].lstrip(
os.sep
)
except Exception:
return abs_path
def serialize_frame(frame, tb_lineno=None, with_locals=True):
# type: (FrameType, Optional[int], bool) -> Dict[str, Any]
f_code = getattr(frame, "f_code", None)
if not f_code:
abs_path = None
function = None
else:
abs_path = frame.f_code.co_filename
function = frame.f_code.co_name
try:
module = frame.f_globals["__name__"]
except Exception:
module = None
if tb_lineno is None:
tb_lineno = frame.f_lineno
pre_context, context_line, post_context = get_source_context(frame, tb_lineno)
rv = {
"filename": filename_for_module(module, abs_path) or None,
"abs_path": os.path.abspath(abs_path) if abs_path else None,
"function": function or "<unknown>",
"module": module,
"lineno": tb_lineno,
"pre_context": pre_context,
"context_line": context_line,
"post_context": post_context,
} # type: Dict[str, Any]
if with_locals:
rv["vars"] = frame.f_locals
return rv
def current_stacktrace(with_locals=True):
# type: (bool) -> Any
__tracebackhide__ = True
frames = []
f = sys._getframe() # type: Optional[FrameType]
while f is not None:
if not should_hide_frame(f):
frames.append(serialize_frame(f, with_locals=with_locals))
f = f.f_back
frames.reverse()
return {"frames": frames}
def get_errno(exc_value):
# type: (BaseException) -> Optional[Any]
return getattr(exc_value, "errno", None)
def single_exception_from_error_tuple(
exc_type, # type: Optional[type]
exc_value, # type: Optional[BaseException]
tb, # type: Optional[TracebackType]
client_options=None, # type: Optional[Dict[str, Any]]
mechanism=None, # type: Optional[Dict[str, Any]]
):
# type: (...) -> Dict[str, Any]
if exc_value is not None:
errno = get_errno(exc_value)
else:
errno = None
if errno is not None:
mechanism = mechanism or {"type": "generic"}
mechanism.setdefault("meta", {}).setdefault("errno", {}).setdefault(
"number", errno
)
if client_options is None:
with_locals = True
else:
with_locals = client_options["with_locals"]
frames = [
serialize_frame(tb.tb_frame, tb_lineno=tb.tb_lineno, with_locals=with_locals)
for tb in iter_stacks(tb)
]
rv = {
"module": get_type_module(exc_type),
"type": get_type_name(exc_type),
"value": safe_str(exc_value),
"mechanism": mechanism,
}
if frames:
rv["stacktrace"] = {"frames": frames}
return rv
HAS_CHAINED_EXCEPTIONS = hasattr(Exception, "__suppress_context__")
if HAS_CHAINED_EXCEPTIONS:
def walk_exception_chain(exc_info):
# type: (ExcInfo) -> Iterator[ExcInfo]
exc_type, exc_value, tb = exc_info
seen_exceptions = []
seen_exception_ids = set() # type: Set[int]
while (
exc_type is not None
and exc_value is not None
and id(exc_value) not in seen_exception_ids
):
yield exc_type, exc_value, tb
# Avoid hashing random types we don't know anything
# about. Use the list to keep a ref so that the `id` is
# not used for another object.
seen_exceptions.append(exc_value)
seen_exception_ids.add(id(exc_value))
if exc_value.__suppress_context__:
cause = exc_value.__cause__
else:
cause = exc_value.__context__
if cause is None:
break
exc_type = type(cause)
exc_value = cause
tb = getattr(cause, "__traceback__", None)
else:
def walk_exception_chain(exc_info):
# type: (ExcInfo) -> Iterator[ExcInfo]
yield exc_info
def exceptions_from_error_tuple(
exc_info, # type: ExcInfo
client_options=None, # type: Optional[Dict[str, Any]]
mechanism=None, # type: Optional[Dict[str, Any]]
):
# type: (...) -> List[Dict[str, Any]]
exc_type, exc_value, tb = exc_info
rv = []
for exc_type, exc_value, tb in walk_exception_chain(exc_info):
rv.append(
single_exception_from_error_tuple(
exc_type, exc_value, tb, client_options, mechanism
)
)
rv.reverse()
return rv
def to_string(value):
# type: (str) -> str
try:
return text_type(value)
except UnicodeDecodeError:
return repr(value)[1:-1]
def iter_event_stacktraces(event):
# type: (Dict[str, Any]) -> Iterator[Dict[str, Any]]
if "stacktrace" in event:
yield event["stacktrace"]
if "threads" in event:
for thread in event["threads"].get("values") or ():
if "stacktrace" in thread:
yield thread["stacktrace"]
if "exception" in event:
for exception in event["exception"].get("values") or ():
if "stacktrace" in exception:
yield exception["stacktrace"]
def iter_event_frames(event):
# type: (Dict[str, Any]) -> Iterator[Dict[str, Any]]
for stacktrace in iter_event_stacktraces(event):
for frame in stacktrace.get("frames") or ():
yield frame
def handle_in_app(event, in_app_exclude=None, in_app_include=None):
# type: (Dict[str, Any], Optional[List[str]], Optional[List[str]]) -> Dict[str, Any]
for stacktrace in iter_event_stacktraces(event):
handle_in_app_impl(
stacktrace.get("frames"),
in_app_exclude=in_app_exclude,
in_app_include=in_app_include,
)
return event
def handle_in_app_impl(frames, in_app_exclude, in_app_include):
# type: (Any, Optional[List[str]], Optional[List[str]]) -> Optional[Any]
if not frames:
return None
any_in_app = False
for frame in frames:
in_app = frame.get("in_app")
if in_app is not None:
if in_app:
any_in_app = True
continue
module = frame.get("module")
if not module:
continue
elif _module_in_set(module, in_app_include):
frame["in_app"] = True
any_in_app = True
elif _module_in_set(module, in_app_exclude):
frame["in_app"] = False
if not any_in_app:
for frame in frames:
if frame.get("in_app") is None:
frame["in_app"] = True
return frames
def exc_info_from_error(error):
# type: (Union[BaseException, ExcInfo]) -> ExcInfo
if isinstance(error, tuple) and len(error) == 3:
exc_type, exc_value, tb = error
elif isinstance(error, BaseException):
tb = getattr(error, "__traceback__", None)
if tb is not None:
exc_type = type(error)
exc_value = error
else:
exc_type, exc_value, tb = sys.exc_info()
if exc_value is not error:
tb = None
exc_value = error
exc_type = type(error)
else:
raise ValueError("Expected Exception object to report, got %s!" % type(error))
return exc_type, exc_value, tb
def event_from_exception(
exc_info, # type: Union[BaseException, ExcInfo]
client_options=None, # type: Optional[Dict[str, Any]]
mechanism=None, # type: Optional[Dict[str, Any]]
):
# type: (...) -> Tuple[Dict[str, Any], Dict[str, Any]]
exc_info = exc_info_from_error(exc_info)
hint = event_hint_with_exc_info(exc_info)
return (
{
"level": "error",
"exception": {
"values": exceptions_from_error_tuple(
exc_info, client_options, mechanism
)
},
},
hint,
)
def _module_in_set(name, set):
# type: (str, Optional[List[str]]) -> bool
if not set:
return False
for item in set or ():
if item == name or name.startswith(item + "."):
return True
return False
def strip_string(value, max_length=None):
# type: (str, Optional[int]) -> Union[AnnotatedValue, str]
# TODO: read max_length from config
if not value:
return value
if max_length is None:
# This is intentionally not just the default such that one can patch `MAX_STRING_LENGTH` and affect `strip_string`.
max_length = MAX_STRING_LENGTH
length = len(value)
if length > max_length:
return AnnotatedValue(
value=value[: max_length - 3] + u"...",
metadata={
"len": length,
"rem": [["!limit", "x", max_length - 3, max_length]],
},
)
return value
def _is_contextvars_broken():
# type: () -> bool
"""
Returns whether gevent/eventlet have patched the stdlib in a way where thread locals are now more "correct" than contextvars.
"""
try:
import gevent # type: ignore
from gevent.monkey import is_object_patched # type: ignore
# Get the MAJOR and MINOR version numbers of Gevent
version_tuple = tuple([int(part) for part in gevent.__version__.split(".")[:2]])
if is_object_patched("threading", "local"):
# Gevent 20.9.0 depends on Greenlet 0.4.17 which natively handles switching
# context vars when greenlets are switched, so, Gevent 20.9.0+ is all fine.
# Ref: https://github.com/gevent/gevent/blob/83c9e2ae5b0834b8f84233760aabe82c3ba065b4/src/gevent/monkey.py#L604-L609
# Gevent 20.5, that doesn't depend on Greenlet 0.4.17 with native support
# for contextvars, is able to patch both thread locals and contextvars, in
# that case, check if contextvars are effectively patched.
if (
# Gevent 20.9.0+
(sys.version_info >= (3, 7) and version_tuple >= (20, 9))
# Gevent 20.5.0+ or Python < 3.7
or (is_object_patched("contextvars", "ContextVar"))
):
return False
return True
except ImportError:
pass
try:
from eventlet.patcher import is_monkey_patched # type: ignore
if is_monkey_patched("thread"):
return True
except ImportError:
pass
return False
def _make_threadlocal_contextvars(local):
# type: (type) -> type
class ContextVar(object):
# Super-limited impl of ContextVar
def __init__(self, name):
# type: (str) -> None
self._name = name
self._local = local()
def get(self, default):
# type: (Any) -> Any
return getattr(self._local, "value", default)
def set(self, value):
# type: (Any) -> None
self._local.value = value
return ContextVar
def _get_contextvars():
# type: () -> Tuple[bool, type]
"""
Figure out the "right" contextvars installation to use. Returns a
`contextvars.ContextVar`-like class with a limited API.
See https://docs.sentry.io/platforms/python/contextvars/ for more information.
"""
if not _is_contextvars_broken():
# aiocontextvars is a PyPI package that ensures that the contextvars
# backport (also a PyPI package) works with asyncio under Python 3.6
#
# Import it if available.
if sys.version_info < (3, 7):
# `aiocontextvars` is absolutely required for functional
# contextvars on Python 3.6.
try:
from aiocontextvars import ContextVar # noqa
return True, ContextVar
except ImportError:
pass
else:
# On Python 3.7 contextvars are functional.
try:
from contextvars import ContextVar
return True, ContextVar
except ImportError:
pass
# Fall back to basic thread-local usage.
from threading import local
return False, _make_threadlocal_contextvars(local)
HAS_REAL_CONTEXTVARS, ContextVar = _get_contextvars()
CONTEXTVARS_ERROR_MESSAGE = """
With asyncio/ASGI applications, the Sentry SDK requires a functional
installation of `contextvars` to avoid leaking scope/context data across
requests.
Please refer to https://docs.sentry.io/platforms/python/contextvars/ for more information.
"""
def transaction_from_function(func):
# type: (Callable[..., Any]) -> Optional[str]
# Methods in Python 2
try:
return "%s.%s.%s" % (
func.im_class.__module__, # type: ignore
func.im_class.__name__, # type: ignore
func.__name__,
)
except Exception:
pass
func_qualname = (
getattr(func, "__qualname__", None) or getattr(func, "__name__", None) or None
) # type: Optional[str]
if not func_qualname:
# No idea what it is
return None
# Methods in Python 3
# Functions
# Classes
try:
return "%s.%s" % (func.__module__, func_qualname)
except Exception:
pass
# Possibly a lambda
return func_qualname
disable_capture_event = ContextVar("disable_capture_event")
class ServerlessTimeoutWarning(Exception):
"""Raised when a serverless method is about to reach its timeout."""
pass
class TimeoutThread(threading.Thread):
"""Creates a Thread which runs (sleeps) for a time duration equal to
waiting_time and raises a custom ServerlessTimeout exception.
"""
def __init__(self, waiting_time, configured_timeout):
# type: (float, int) -> None
threading.Thread.__init__(self)
self.waiting_time = waiting_time
self.configured_timeout = configured_timeout
self._stop_event = threading.Event()
def stop(self):
# type: () -> None
self._stop_event.set()
def run(self):
# type: () -> None
self._stop_event.wait(self.waiting_time)
if self._stop_event.is_set():
return
integer_configured_timeout = int(self.configured_timeout)
# Setting up the exact integer value of configured time(in seconds)
if integer_configured_timeout < self.configured_timeout:
integer_configured_timeout = integer_configured_timeout + 1
# Raising Exception after timeout duration is reached
raise ServerlessTimeoutWarning(
"WARNING : Function is expected to get timed out. Configured timeout duration = {} seconds.".format(
integer_configured_timeout
)
)
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