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Mini Shell
Mini Shell
import io
import json
import mimetypes
from sentry_sdk._compat import text_type, PY2
from sentry_sdk._types import TYPE_CHECKING
from sentry_sdk.session import Session
from sentry_sdk.utils import json_dumps, capture_internal_exceptions
if TYPE_CHECKING:
from typing import Any
from typing import Optional
from typing import Union
from typing import Dict
from typing import List
from typing import Iterator
from sentry_sdk._types import Event, EventDataCategory
def parse_json(data):
# type: (Union[bytes, text_type]) -> Any
# on some python 3 versions this needs to be bytes
if not PY2 and isinstance(data, bytes):
data = data.decode("utf-8", "replace")
return json.loads(data)
class Envelope(object):
def __init__(
self,
headers=None, # type: Optional[Dict[str, Any]]
items=None, # type: Optional[List[Item]]
):
# type: (...) -> None
if headers is not None:
headers = dict(headers)
self.headers = headers or {}
if items is None:
items = []
else:
items = list(items)
self.items = items
@property
def description(self):
# type: (...) -> str
return "envelope with %s items (%s)" % (
len(self.items),
", ".join(x.data_category for x in self.items),
)
def add_event(
self, event # type: Event
):
# type: (...) -> None
self.add_item(Item(payload=PayloadRef(json=event), type="event"))
def add_transaction(
self, transaction # type: Event
):
# type: (...) -> None
self.add_item(Item(payload=PayloadRef(json=transaction), type="transaction"))
def add_profile(
self, profile # type: Any
):
# type: (...) -> None
self.add_item(Item(payload=PayloadRef(json=profile), type="profile"))
def add_checkin(
self, checkin # type: Any
):
# type: (...) -> None
self.add_item(Item(payload=PayloadRef(json=checkin), type="check_in"))
def add_session(
self, session # type: Union[Session, Any]
):
# type: (...) -> None
if isinstance(session, Session):
session = session.to_json()
self.add_item(Item(payload=PayloadRef(json=session), type="session"))
def add_sessions(
self, sessions # type: Any
):
# type: (...) -> None
self.add_item(Item(payload=PayloadRef(json=sessions), type="sessions"))
def add_item(
self, item # type: Item
):
# type: (...) -> None
self.items.append(item)
def get_event(self):
# type: (...) -> Optional[Event]
for items in self.items:
event = items.get_event()
if event is not None:
return event
return None
def get_transaction_event(self):
# type: (...) -> Optional[Event]
for item in self.items:
event = item.get_transaction_event()
if event is not None:
return event
return None
def __iter__(self):
# type: (...) -> Iterator[Item]
return iter(self.items)
def serialize_into(
self, f # type: Any
):
# type: (...) -> None
f.write(json_dumps(self.headers))
f.write(b"\n")
for item in self.items:
item.serialize_into(f)
def serialize(self):
# type: (...) -> bytes
out = io.BytesIO()
self.serialize_into(out)
return out.getvalue()
@classmethod
def deserialize_from(
cls, f # type: Any
):
# type: (...) -> Envelope
headers = parse_json(f.readline())
items = []
while 1:
item = Item.deserialize_from(f)
if item is None:
break
items.append(item)
return cls(headers=headers, items=items)
@classmethod
def deserialize(
cls, bytes # type: bytes
):
# type: (...) -> Envelope
return cls.deserialize_from(io.BytesIO(bytes))
def __repr__(self):
# type: (...) -> str
return "<Envelope headers=%r items=%r>" % (self.headers, self.items)
class PayloadRef(object):
def __init__(
self,
bytes=None, # type: Optional[bytes]
path=None, # type: Optional[Union[bytes, text_type]]
json=None, # type: Optional[Any]
):
# type: (...) -> None
self.json = json
self.bytes = bytes
self.path = path
def get_bytes(self):
# type: (...) -> bytes
if self.bytes is None:
if self.path is not None:
with capture_internal_exceptions():
with open(self.path, "rb") as f:
self.bytes = f.read()
elif self.json is not None:
self.bytes = json_dumps(self.json)
else:
self.bytes = b""
return self.bytes
@property
def inferred_content_type(self):
# type: (...) -> str
if self.json is not None:
return "application/json"
elif self.path is not None:
path = self.path
if isinstance(path, bytes):
path = path.decode("utf-8", "replace")
ty = mimetypes.guess_type(path)[0]
if ty:
return ty
return "application/octet-stream"
def __repr__(self):
# type: (...) -> str
return "<Payload %r>" % (self.inferred_content_type,)
class Item(object):
def __init__(
self,
payload, # type: Union[bytes, text_type, PayloadRef]
headers=None, # type: Optional[Dict[str, Any]]
type=None, # type: Optional[str]
content_type=None, # type: Optional[str]
filename=None, # type: Optional[str]
):
if headers is not None:
headers = dict(headers)
elif headers is None:
headers = {}
self.headers = headers
if isinstance(payload, bytes):
payload = PayloadRef(bytes=payload)
elif isinstance(payload, text_type):
payload = PayloadRef(bytes=payload.encode("utf-8"))
else:
payload = payload
if filename is not None:
headers["filename"] = filename
if type is not None:
headers["type"] = type
if content_type is not None:
headers["content_type"] = content_type
elif "content_type" not in headers:
headers["content_type"] = payload.inferred_content_type
self.payload = payload
def __repr__(self):
# type: (...) -> str
return "<Item headers=%r payload=%r data_category=%r>" % (
self.headers,
self.payload,
self.data_category,
)
@property
def type(self):
# type: (...) -> Optional[str]
return self.headers.get("type")
@property
def data_category(self):
# type: (...) -> EventDataCategory
ty = self.headers.get("type")
if ty == "session":
return "session"
elif ty == "attachment":
return "attachment"
elif ty == "transaction":
return "transaction"
elif ty == "event":
return "error"
elif ty == "client_report":
return "internal"
elif ty == "profile":
return "profile"
else:
return "default"
def get_bytes(self):
# type: (...) -> bytes
return self.payload.get_bytes()
def get_event(self):
# type: (...) -> Optional[Event]
"""
Returns an error event if there is one.
"""
if self.type == "event" and self.payload.json is not None:
return self.payload.json
return None
def get_transaction_event(self):
# type: (...) -> Optional[Event]
if self.type == "transaction" and self.payload.json is not None:
return self.payload.json
return None
def serialize_into(
self, f # type: Any
):
# type: (...) -> None
headers = dict(self.headers)
bytes = self.get_bytes()
headers["length"] = len(bytes)
f.write(json_dumps(headers))
f.write(b"\n")
f.write(bytes)
f.write(b"\n")
def serialize(self):
# type: (...) -> bytes
out = io.BytesIO()
self.serialize_into(out)
return out.getvalue()
@classmethod
def deserialize_from(
cls, f # type: Any
):
# type: (...) -> Optional[Item]
line = f.readline().rstrip()
if not line:
return None
headers = parse_json(line)
length = headers.get("length")
if length is not None:
payload = f.read(length)
f.readline()
else:
# if no length was specified we need to read up to the end of line
# and remove it (if it is present, i.e. not the very last char in an eof terminated envelope)
payload = f.readline().rstrip(b"\n")
if headers.get("type") in ("event", "transaction", "metric_buckets"):
rv = cls(headers=headers, payload=PayloadRef(json=parse_json(payload)))
else:
rv = cls(headers=headers, payload=payload)
return rv
@classmethod
def deserialize(
cls, bytes # type: bytes
):
# type: (...) -> Optional[Item]
return cls.deserialize_from(io.BytesIO(bytes))
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