Sentry SDK 2.0 Migration Guide

Looking to upgrade from Sentry SDK 1.x to 2.x? Here's a comprehensive list of what's changed. Looking for a more digestable summary? See the guide in the docs with the most common migration patterns.

New Features

Additional integrations will now be activated automatically if the SDK detects the respective package is installed: Ariadne, ARQ, asyncpg, Chalice, clickhouse-driver, GQL, Graphene, huey, Loguru, PyMongo, Quart, Starlite, Strawberry.
While refactoring the inner workings of the SDK we added new top-level APIs for custom instrumentation called new_scope and isolation_scope. See the Deprecated section to see how they map to the existing APIs.

Changed

The Pyramid integration will not capture errors that might happen in authenticated_userid() in a custom AuthenticationPolicy class.
The method need_code_loation of the MetricsAggregator was renamed to need_code_location.
The BackgroundWorker thread used to process events was renamed from raven-sentry.BackgroundWorker to sentry-sdk.BackgroundWorker.
The reraise function was moved from sentry_sdk._compat to sentry_sdk.utils.
The _ScopeManager was moved from sentry_sdk.hub to sentry_sdk.scope.
The signature for the metrics callback function set with before_emit_metric has changed from before_emit_metric(key, tags) to before_emit_metric(key, value, unit, tags)
Moved the contents of tracing_utils_py3.py to tracing_utils.py. The start_child_span_decorator is now in sentry_sdk.tracing_utils.
The actual implementation of get_current_span was moved to sentry_sdk.tracing_utils. sentry_sdk.get_current_span is still accessible as part of the top-level API.
sentry_sdk.tracing_utils.add_query_source(): Removed the hub parameter. It is not necessary anymore.
sentry_sdk.tracing_utils.record_sql_queries(): Removed the hub parameter. It is not necessary anymore.
sentry_sdk.tracing_utils.get_current_span() does now take a scope instead of a hub as parameter.
sentry_sdk.tracing_utils.should_propagate_trace() now takes a Client instead of a Hub as first parameter.
sentry_sdk.utils.is_sentry_url() now takes a Client instead of a Hub as first parameter.
sentry_sdk.utils._get_contextvars does not return a tuple with three values, but a tuple with two values. The copy_context was removed.

You no longer have to use configure_scope to mutate a transaction. Instead, you simply get the current scope to mutate the transaction. Here is a recipe on how to change your code to make it work: Your existing implementation:

transaction = sentry_sdk.transaction(...)

# later in the code execution:

with sentry_sdk.configure_scope() as scope:
    scope.set_transaction_name("new-transaction-name")

needs to be changed to this:

transaction = sentry_sdk.transaction(...)

# later in the code execution:

scope = sentry_sdk.get_current_scope()
scope.set_transaction_name("new-transaction-name")

The classes listed in the table below are now abstract base classes. Therefore, they can no longer be instantiated. Subclasses can only be instantiated if they implement all of the abstract methods.

Show table

Class	Abstract methods
`sentry_sdk.integrations.Integration`	`setup_once`
`sentry_sdk.metrics.Metric`	`add`, `serialize_value`, and `weight`
`sentry_sdk.profiler.Scheduler`	`setup` and `teardown`
`sentry_sdk.transport.Transport`	`capture_envelope`

Removed

Removed support for Python 2 and Python 3.5. The SDK now requires at least Python 3.6.
Removed support for Celery 3.*.
Removed support for Django 1.8, 1.9, 1.10.
Removed support for Flask 0.*.
Removed support for gRPC < 1.39.
Removed support for Tornado < 6.
Removed support for sending events to the /store endpoint. Everything is now sent to the /envelope endpoint. If you're on SaaS you don't have to worry about this, but if you're running Sentry yourself you'll need version 20.6.0 or higher of self-hosted Sentry.
The deprecated with_locals configuration option was removed. Use include_local_variables instead. See https://docs.sentry.io/platforms/python/configuration/options/#include-local-variables.
The deprecated request_bodies configuration option was removed. Use max_request_body_size. See https://docs.sentry.io/platforms/python/configuration/options/#max-request-body-size.
Removed support for user.segment. It was also removed from the trace header as well as from the dynamic sampling context.
Removed support for the install method for custom integrations. Please use setup_once instead.
Removed sentry_sdk.tracing.Span.new_span. Use sentry_sdk.tracing.Span.start_child instead.
Removed sentry_sdk.tracing.Transaction.new_span. Use sentry_sdk.tracing.Transaction.start_child instead.
Removed support for creating transactions via sentry_sdk.tracing.Span(transaction=...). To create a transaction, please use sentry_sdk.tracing.Transaction(name=...).
Removed sentry_sdk.utils.Auth.store_api_url.
sentry_sdk.utils.Auth.get_api_url's now accepts a sentry_sdk.consts.EndpointType enum instead of a string as its only parameter. We recommend omitting this argument when calling the function, since the parameter's default value is the only possible sentry_sdk.consts.EndpointType value. The parameter exists for future compatibility.
Removed tracing_utils_py2.py. The start_child_span_decorator is now in sentry_sdk.tracing_utils.
Removed the sentry_sdk.profiler.Scheduler.stop_profiling method. Any calls to this method can simply be removed, since this was a no-op method.
Removed the experimental metrics_summary_sample_rate config option.
Removed the experimental should_summarize_metric config option.

Deprecated

Using the Hub directly as well as using hub-based APIs has been deprecated. Where available, use the top-level API instead; otherwise use the scope API or the client API.

Before:
```
with hub.start_span(...):
    # do something
```
After:
```
import sentry_sdk

with sentry_sdk.start_span(...):
    # do something
```

Hub cloning is deprecated.

Before:

with Hub(Hub.current) as hub:
    # do something with the cloned hub

After:

import sentry_sdk

with sentry_sdk.isolation_scope() as scope:
    # do something with the forked scope

configure_scope is deprecated. Modify the current or isolation scope directly instead.

Before:
```
with configure_scope() as scope:
    # do something with `scope`
```
After:
```
from sentry_sdk import get_current_scope

scope = get_current_scope()
# do something with `scope`
```
Or:
```
from sentry_sdk import get_isolation_scope

scope = get_isolation_scope()
# do something with `scope`
```
When to use get_current_scope() and get_isolation_scope() depends on how long the change to the scope should be in effect. If you want the changed scope to affect the whole request-response cycle or the whole execution of task, use the isolation scope. If it's more localized, use the current scope.
push_scope is deprecated. Fork the current or the isolation scope instead.

Before:
```
with push_scope() as scope:
    # do something with `scope`
```
After:
```
import sentry_sdk

with sentry_sdk.new_scope() as scope:
    # do something with `scope`
```
Or:
```
import sentry_sdk

with sentry_sdk.isolation_scope() as scope:
    # do something with `scope`
```
new_scope() will fork the current scope, while isolation_scope() will fork the isolation scope. The lifecycle of a single isolation scope roughly translates to the lifecycle of a transaction in most cases, so if you're looking to create a new separated scope for a whole request-response cycle or task execution, go for isolation_scope(). If you want to wrap a smaller unit code, fork the current scope instead with new_scope().
Accessing the client via the hub has been deprecated. Use the top-level sentry_sdk.get_client() to get the current client.
profiler_mode and profiles_sample_rate have been deprecated as _experiments options. Use them as top level options instead:
```
sentry_sdk.init(
    ...,
    profiler_mode="thread",
    profiles_sample_rate=1.0,
)
```
Deprecated sentry_sdk.transport.Transport.capture_event. Please use sentry_sdk.transport.Transport.capture_envelope, instead.
Passing a function to sentry_sdk.init's transport keyword argument has been deprecated. If you wish to provide a custom transport, please pass a sentry_sdk.transport.Transport instance or a subclass.
The parameter propagate_hub in ThreadingIntegration() was deprecated and renamed to propagate_scope.

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