Mini Shell
import os
import sys
import linecache
import logging
from contextlib import contextmanager
from datetime import datetime
from sentry_sdk._compat import (
urlparse,
text_type,
implements_str,
string_types,
number_types,
int_types,
PY2,
)
if False:
from typing import Any
from typing import Dict
from typing import Union
from typing import Iterator
from typing import Tuple
from typing import Optional
from typing import List
from typing import Set
from typing import Type
from sentry_sdk.consts import ClientOptions
ExcInfo = Tuple[
Optional[Type[BaseException]], Optional[BaseException], Optional[Any]
]
if PY2:
# Importing ABCs from collections is deprecated, and will stop working in 3.8
# https://github.com/python/cpython/blob/master/Lib/collections/__init__.py#L49
from collections import Mapping, Sequence
else:
# New in 3.3
# https://docs.python.org/3/library/collections.abc.html
from collections.abc import Mapping, Sequence
epoch = datetime(1970, 1, 1)
# The logger is created here but initialized in the debug support module
logger = logging.getLogger("sentry_sdk.errors")
CYCLE_MARKER = object()
global_repr_processors = []
def add_global_repr_processor(processor):
global_repr_processors.append(processor)
def _get_debug_hub():
# This function is replaced by debug.py
pass
@contextmanager
def capture_internal_exceptions():
# type: () -> Iterator
try:
yield
except Exception:
hub = _get_debug_hub()
if hub is not None:
hub._capture_internal_exception(sys.exc_info())
def to_timestamp(value):
return (value - epoch).total_seconds()
def event_hint_with_exc_info(exc_info=None):
# type: (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):
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
self.host = parts.hostname
self.port = parts.port
if self.port is None:
self.port = self.scheme == "https" and 443 or 80
self.public_key = parts.username
if not self.public_key:
raise BadDsn("Missing public key")
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):
"""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):
"""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):
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="/",
):
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):
"""Returns the API url for storing events."""
return "%s://%s%sapi/%s/store/" % (
self.scheme,
self.host,
self.path,
self.project_id,
)
def to_header(self, timestamp=None):
"""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)
def get_type_name(cls):
# type: (Any) -> str
return getattr(cls, "__qualname__", None) or getattr(cls, "__name__", None)
def get_type_module(cls):
# type: (Any) -> Optional[Any]
mod = getattr(cls, "__module__", None)
if mod not in (None, "builtins", "__builtins__"):
return mod
return None
def should_hide_frame(frame):
# type: (Any) -> bool
try:
mod = frame.f_globals["__name__"]
return mod.startswith("sentry_sdk.")
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: (Any) -> Iterator[Any]
while tb is not None:
if not should_hide_frame(tb.tb_frame):
yield tb
tb = tb.tb_next
def slim_string(value, length=512):
# type: (str, int) -> str
if not value:
return value
if len(value) > length:
return value[: length - 3] + "..."
return value[:length]
def get_lines_from_file(
filename, # type: str
lineno, # type: int
loader=None, # type: Any
module=None, # type: str
):
# type: (...) -> Tuple[List[str], Optional[str], List[str]]
context_lines = 5
source = None
if loader is not None and hasattr(loader, "get_source"):
try:
source_str = loader.get_source(module)
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 = [
slim_string(line.strip("\r\n")) for line in source[lower_bound:lineno]
]
context_line = slim_string(source[lineno].strip("\r\n"))
post_context = [
slim_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, tb_lineno):
# type: (Any, int) -> Tuple[List[str], Optional[str], List[str]]
try:
abs_path = frame.f_code.co_filename
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)
def safe_repr(value):
# type: (Any) -> str
try:
rv = repr(value)
if isinstance(rv, bytes):
rv = rv.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>"
def object_to_json(obj, remaining_depth=4, memo=None):
with capture_internal_exceptions():
if memo is None:
memo = Memo()
if memo.memoize(obj):
return CYCLE_MARKER
try:
if remaining_depth > 0:
hints = {"memo": memo, "remaining_depth": remaining_depth}
for processor in global_repr_processors:
with capture_internal_exceptions():
result = processor(obj, hints)
if result is not NotImplemented:
return result
if isinstance(obj, (list, tuple)):
# It is not safe to iterate over another sequence types as this may raise errors or
# bring undesired side-effects (e.g. Django querysets are executed during iteration)
return [
object_to_json(
x, remaining_depth=remaining_depth - 1, memo=memo
)
for x in obj
]
if isinstance(obj, Mapping):
return {
safe_str(k): object_to_json(
v, remaining_depth=remaining_depth - 1, memo=memo
)
for k, v in list(obj.items())
}
return safe_repr(obj)
finally:
memo.unmemoize(obj)
return u"<broken repr>"
def extract_locals(frame):
# type: (Any) -> Dict[str, Any]
rv = {}
for key, value in frame.f_locals.items():
rv[str(key)] = object_to_json(value)
return rv
def filename_for_module(module, abs_path):
# type: (str, str) -> str
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: (Any, int, bool) -> Dict[str, Any]
f_code = getattr(frame, "f_code", None)
if f_code:
abs_path = frame.f_code.co_filename
function = frame.f_code.co_name
else:
abs_path = None
function = None
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,
}
if with_locals:
rv["vars"] = extract_locals(frame)
return rv
def stacktrace_from_traceback(tb=None, with_locals=True):
# type: (Any, bool) -> Dict[str, List[Dict[str, Any]]]
return {
"frames": [
serialize_frame(
tb.tb_frame, tb_lineno=tb.tb_lineno, with_locals=with_locals
)
for tb in iter_stacks(tb)
]
}
def current_stacktrace(with_locals=True):
__tracebackhide__ = True
frames = []
f = sys._getframe()
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[Any]
client_options=None, # type: Optional[ClientOptions]
mechanism=None, # type: 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 {}
mechanism_meta = mechanism.setdefault("meta", {})
mechanism_meta.setdefault("errno", {"code": errno})
if client_options is None:
with_locals = True
else:
with_locals = client_options["with_locals"]
return {
"module": get_type_module(exc_type),
"type": get_type_name(exc_type),
"value": safe_str(exc_value),
"mechanism": mechanism,
"stacktrace": stacktrace_from_traceback(tb, with_locals),
}
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__: # type: ignore
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[ClientOptions]
mechanism=None, # type: 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
)
)
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 "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], List, List) -> 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):
if not frames:
return
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()
return exc_type, exc_value, tb
def event_from_exception(
exc_info, # type: Union[BaseException, ExcInfo]
client_options=None, # type: Optional[ClientOptions]
mechanism=None, # type: 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]) -> bool
if not set:
return False
for item in set or ():
if item == name or name.startswith(item + "."):
return True
return False
class AnnotatedValue(object):
def __init__(self, value, metadata):
# type: (Optional[Any], Dict[str, Any]) -> None
self.value = value
self.metadata = metadata
def flatten_metadata(obj):
# type: (Dict[str, Any]) -> Dict[str, Any]
def inner(obj):
# type: (Any) -> Any
if isinstance(obj, Mapping):
dict_rv = {}
meta = {}
for k, v in obj.items():
# if we actually have "" keys in our data, throw them away. It's
# unclear how we would tell them apart from metadata
if k == "":
continue
dict_rv[k], meta[k] = inner(v)
if meta[k] is None:
del meta[k]
if dict_rv[k] is None:
del dict_rv[k]
return dict_rv, (meta or None)
if isinstance(obj, Sequence) and not isinstance(obj, (text_type, bytes)):
list_rv = []
meta = {}
for i, v in enumerate(obj):
new_v, meta[str(i)] = inner(v)
list_rv.append(new_v)
if meta[str(i)] is None:
del meta[str(i)]
return list_rv, (meta or None)
if isinstance(obj, AnnotatedValue):
return (inner(obj.value)[0], {"": obj.metadata})
return obj, None
obj, meta = inner(obj)
if meta is not None:
obj["_meta"] = meta
return obj
def strip_event_mut(event):
# type: (Dict[str, Any]) -> None
strip_stacktrace_mut(event.get("stacktrace", None))
exception = event.get("exception", None)
if exception:
for exception in exception.get("values", None) or ():
strip_stacktrace_mut(exception.get("stacktrace", None))
strip_request_mut(event.get("request", None))
strip_breadcrumbs_mut(event.get("breadcrumbs", None))
def strip_stacktrace_mut(stacktrace):
# type: (Optional[Dict[str, List[Dict[str, Any]]]]) -> None
if not stacktrace:
return
for frame in stacktrace.get("frames", None) or ():
strip_frame_mut(frame)
def strip_request_mut(request):
# type: (Dict[str, Any]) -> None
if not request:
return
data = request.get("data", None)
if not data:
return
request["data"] = strip_databag(data)
def strip_breadcrumbs_mut(breadcrumbs):
if not breadcrumbs:
return
for i in range(len(breadcrumbs)):
breadcrumbs[i] = strip_databag(breadcrumbs[i])
def strip_frame_mut(frame):
# type: (Dict[str, Any]) -> None
if "vars" in frame:
frame["vars"] = strip_databag(frame["vars"])
class Memo(object):
def __init__(self):
self._inner = {}
def memoize(self, obj):
if id(obj) in self._inner:
return True
self._inner[id(obj)] = obj
return False
def unmemoize(self, obj):
self._inner.pop(id(obj), None)
def convert_types(obj):
# type: (Any) -> Any
if obj is None:
return None
if obj is CYCLE_MARKER:
return u"<cyclic>"
if isinstance(obj, datetime):
return text_type(obj.strftime("%Y-%m-%dT%H:%M:%SZ"))
if isinstance(obj, Mapping):
return {k: convert_types(v) for k, v in obj.items()}
if isinstance(obj, Sequence) and not isinstance(obj, (text_type, bytes)):
return [convert_types(v) for v in obj]
if isinstance(obj, AnnotatedValue):
return AnnotatedValue(convert_types(obj.value), obj.metadata)
if not isinstance(obj, string_types + number_types):
return safe_repr(obj)
if isinstance(obj, bytes):
return obj.decode("utf-8", "replace")
return obj
def strip_databag(obj, remaining_depth=20, max_breadth=20):
# type: (Any, int, int) -> Any
assert not isinstance(obj, bytes), "bytes should have been normalized before"
if remaining_depth <= 0:
return AnnotatedValue(None, {"rem": [["!limit", "x"]]})
if isinstance(obj, text_type):
return strip_string(obj)
if isinstance(obj, Mapping):
rv_dict = {} # type: Dict[Any, Any]
for i, (k, v) in enumerate(obj.items()):
if i >= max_breadth:
return AnnotatedValue(rv_dict, {"len": max_breadth})
rv_dict[k] = strip_databag(
v, remaining_depth=remaining_depth - 1, max_breadth=max_breadth
)
return rv_dict
if isinstance(obj, Sequence):
rv_list = [] # type: List[Any]
for i, v in enumerate(obj):
if i >= max_breadth:
return AnnotatedValue(rv_list, {"len": max_breadth})
rv_list.append(
strip_databag(
v, remaining_depth=remaining_depth - 1, max_breadth=max_breadth
)
)
return rv_list
return obj
def strip_string(value, max_length=512):
# type: (str, int) -> Union[AnnotatedValue, str]
# TODO: read max_length from config
if not value:
return value
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 format_and_strip(template, params, strip_string=strip_string):
"""Format a string containing %s for placeholders and call `strip_string`
on each parameter. The string template itself does not have a maximum
length.
TODO: handle other placeholders, not just %s
"""
chunks = template.split(u"%s")
if not chunks:
raise ValueError("No formatting placeholders found")
params = list(reversed(params))
rv_remarks = []
rv_original_length = 0
rv_length = 0
rv = []
def realign_remark(remark):
return [
(rv_length + x if isinstance(x, int_types) and i < 4 else x)
for i, x in enumerate(remark)
]
for chunk in chunks[:-1]:
rv.append(chunk)
rv_length += len(chunk)
rv_original_length += len(chunk)
if not params:
raise ValueError("Not enough params.")
param = params.pop()
stripped_param = strip_string(param)
if isinstance(stripped_param, AnnotatedValue):
rv_remarks.extend(
realign_remark(remark) for remark in stripped_param.metadata["rem"]
)
stripped_param = stripped_param.value
rv_original_length += len(param)
rv_length += len(stripped_param)
rv.append(stripped_param)
rv.append(chunks[-1])
rv_length += len(chunks[-1])
rv_original_length += len(chunks[-1])
rv = u"".join(rv)
assert len(rv) == rv_length
if not rv_remarks:
return rv
return AnnotatedValue(
value=rv, metadata={"len": rv_original_length, "rem": rv_remarks}
)
HAS_REAL_CONTEXTVARS = True
try:
from contextvars import ContextVar # type: ignore
if not PY2 and sys.version_info < (3, 7):
import aiocontextvars # type: ignore # noqa
except ImportError:
HAS_REAL_CONTEXTVARS = False
from threading import local
class ContextVar(object): # type: ignore
# Super-limited impl of ContextVar
def __init__(self, name):
self._name = name
self._local = local()
def get(self, default):
return getattr(self._local, "value", default)
def set(self, value):
setattr(self._local, "value", value)
def transaction_from_function(func):
# Methods in Python 2
try:
return "%s.%s.%s" % (
func.im_class.__module__,
func.im_class.__name__,
func.__name__,
)
except Exception:
pass
func_qualname = (
getattr(func, "__qualname__", None) or getattr(func, "__name__", None) or None
)
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
Zerion Mini Shell 1.0