two version of R2R are hereHEADmaster

4 files changed, 664 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/__init__.py b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/__init__.py
new file mode 100644
index 00000000..c7b1dee3
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/__init__.py
@@ -0,0 +1,631 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+The trace integration with Database API supports libraries that follow the
+Python Database API Specification v2.0.
+`<https://www.python.org/dev/peps/pep-0249/>`_
+
+Usage
+-----
+
+.. code-block:: python
+
+    import mysql.connector
+    import pyodbc
+
+    from opentelemetry.instrumentation.dbapi import trace_integration
+
+
+    # Ex: mysql.connector
+    trace_integration(mysql.connector, "connect", "mysql")
+    # Ex: pyodbc
+    trace_integration(pyodbc, "Connection", "odbc")
+
+API
+---
+"""
+
+from __future__ import annotations
+
+import functools
+import logging
+import re
+from typing import Any, Callable, Generic, TypeVar
+
+import wrapt
+from wrapt import wrap_function_wrapper
+
+from opentelemetry import trace as trace_api
+from opentelemetry.instrumentation.dbapi.version import __version__
+from opentelemetry.instrumentation.sqlcommenter_utils import _add_sql_comment
+from opentelemetry.instrumentation.utils import (
+    _get_opentelemetry_values,
+    unwrap,
+)
+from opentelemetry.semconv.trace import SpanAttributes
+from opentelemetry.trace import SpanKind, TracerProvider, get_tracer
+from opentelemetry.util._importlib_metadata import version as util_version
+
+_DB_DRIVER_ALIASES = {
+    "MySQLdb": "mysqlclient",
+}
+
+_logger = logging.getLogger(__name__)
+
+ConnectionT = TypeVar("ConnectionT")
+CursorT = TypeVar("CursorT")
+
+
+def trace_integration(
+    connect_module: Callable[..., Any],
+    connect_method_name: str,
+    database_system: str,
+    connection_attributes: dict[str, Any] | None = None,
+    tracer_provider: TracerProvider | None = None,
+    capture_parameters: bool = False,
+    enable_commenter: bool = False,
+    db_api_integration_factory: type[DatabaseApiIntegration] | None = None,
+    enable_attribute_commenter: bool = False,
+):
+    """Integrate with DB API library.
+    https://www.python.org/dev/peps/pep-0249/
+
+    Args:
+        connect_module: Module name where connect method is available.
+        connect_method_name: The connect method name.
+        database_system: An identifier for the database management system (DBMS)
+            product being used.
+        connection_attributes: Attribute names for database, port, host and
+            user in Connection object.
+        tracer_provider: The :class:`opentelemetry.trace.TracerProvider` to
+            use. If omitted the current configured one is used.
+        capture_parameters: Configure if db.statement.parameters should be captured.
+        enable_commenter: Flag to enable/disable sqlcommenter.
+        db_api_integration_factory: The `DatabaseApiIntegration` to use. If none is passed the
+            default one is used.
+        enable_attribute_commenter: Flag to enable/disable sqlcomment inclusion in `db.statement` span attribute. Only available if enable_commenter=True.
+    """
+    wrap_connect(
+        __name__,
+        connect_module,
+        connect_method_name,
+        database_system,
+        connection_attributes,
+        version=__version__,
+        tracer_provider=tracer_provider,
+        capture_parameters=capture_parameters,
+        enable_commenter=enable_commenter,
+        db_api_integration_factory=db_api_integration_factory,
+        enable_attribute_commenter=enable_attribute_commenter,
+    )
+
+
+def wrap_connect(
+    name: str,
+    connect_module: Callable[..., Any],
+    connect_method_name: str,
+    database_system: str,
+    connection_attributes: dict[str, Any] | None = None,
+    version: str = "",
+    tracer_provider: TracerProvider | None = None,
+    capture_parameters: bool = False,
+    enable_commenter: bool = False,
+    db_api_integration_factory: type[DatabaseApiIntegration] | None = None,
+    commenter_options: dict[str, Any] | None = None,
+    enable_attribute_commenter: bool = False,
+):
+    """Integrate with DB API library.
+    https://www.python.org/dev/peps/pep-0249/
+
+    Args:
+        connect_module: Module name where connect method is available.
+        connect_method_name: The connect method name.
+        database_system: An identifier for the database management system (DBMS)
+            product being used.
+        connection_attributes: Attribute names for database, port, host and
+            user in Connection object.
+        tracer_provider: The :class:`opentelemetry.trace.TracerProvider` to
+            use. If omitted the current configured one is used.
+        capture_parameters: Configure if db.statement.parameters should be captured.
+        enable_commenter: Flag to enable/disable sqlcommenter.
+        db_api_integration_factory: The `DatabaseApiIntegration` to use. If none is passed the
+            default one is used.
+        commenter_options: Configurations for tags to be appended at the sql query.
+        enable_attribute_commenter: Flag to enable/disable sqlcomment inclusion in `db.statement` span attribute. Only available if enable_commenter=True.
+
+    """
+    db_api_integration_factory = (
+        db_api_integration_factory or DatabaseApiIntegration
+    )
+
+    # pylint: disable=unused-argument
+    def wrap_connect_(
+        wrapped: Callable[..., Any],
+        instance: Any,
+        args: tuple[Any, Any],
+        kwargs: dict[Any, Any],
+    ):
+        db_integration = db_api_integration_factory(
+            name,
+            database_system,
+            connection_attributes=connection_attributes,
+            version=version,
+            tracer_provider=tracer_provider,
+            capture_parameters=capture_parameters,
+            enable_commenter=enable_commenter,
+            commenter_options=commenter_options,
+            connect_module=connect_module,
+            enable_attribute_commenter=enable_attribute_commenter,
+        )
+        return db_integration.wrapped_connection(wrapped, args, kwargs)
+
+    try:
+        wrap_function_wrapper(
+            connect_module, connect_method_name, wrap_connect_
+        )
+    except Exception as ex:  # pylint: disable=broad-except
+        _logger.warning("Failed to integrate with DB API. %s", str(ex))
+
+
+def unwrap_connect(
+    connect_module: Callable[..., Any], connect_method_name: str
+):
+    """Disable integration with DB API library.
+    https://www.python.org/dev/peps/pep-0249/
+
+    Args:
+        connect_module: Module name where the connect method is available.
+        connect_method_name: The connect method name.
+    """
+    unwrap(connect_module, connect_method_name)
+
+
+def instrument_connection(
+    name: str,
+    connection: ConnectionT | TracedConnectionProxy[ConnectionT],
+    database_system: str,
+    connection_attributes: dict[str, Any] | None = None,
+    version: str = "",
+    tracer_provider: TracerProvider | None = None,
+    capture_parameters: bool = False,
+    enable_commenter: bool = False,
+    commenter_options: dict[str, Any] | None = None,
+    connect_module: Callable[..., Any] | None = None,
+    enable_attribute_commenter: bool = False,
+    db_api_integration_factory: type[DatabaseApiIntegration] | None = None,
+) -> TracedConnectionProxy[ConnectionT]:
+    """Enable instrumentation in a database connection.
+
+    Args:
+        name: The instrumentation module name.
+        connection: The connection to instrument.
+        database_system: An identifier for the database management system (DBMS)
+            product being used.
+        connection_attributes: Attribute names for database, port, host and
+            user in a connection object.
+        tracer_provider: The :class:`opentelemetry.trace.TracerProvider` to
+            use. If omitted the current configured one is used.
+        capture_parameters: Configure if db.statement.parameters should be captured.
+        enable_commenter: Flag to enable/disable sqlcommenter.
+        commenter_options: Configurations for tags to be appended at the sql query.
+        connect_module: Module name where connect method is available.
+        enable_attribute_commenter: Flag to enable/disable sqlcomment inclusion in `db.statement` span attribute. Only available if enable_commenter=True.
+        db_api_integration_factory: A class or factory function to use as a
+            replacement for :class:`DatabaseApiIntegration`. Can be used to
+            obtain connection attributes from the connect method instead of
+            from the connection itself (as done by the pymssql intrumentor).
+
+    Returns:
+        An instrumented connection.
+    """
+    if isinstance(connection, wrapt.ObjectProxy):
+        _logger.warning("Connection already instrumented")
+        return connection
+
+    db_api_integration_factory = (
+        db_api_integration_factory or DatabaseApiIntegration
+    )
+
+    db_integration = db_api_integration_factory(
+        name,
+        database_system,
+        connection_attributes=connection_attributes,
+        version=version,
+        tracer_provider=tracer_provider,
+        capture_parameters=capture_parameters,
+        enable_commenter=enable_commenter,
+        commenter_options=commenter_options,
+        connect_module=connect_module,
+        enable_attribute_commenter=enable_attribute_commenter,
+    )
+    db_integration.get_connection_attributes(connection)
+    return get_traced_connection_proxy(connection, db_integration)
+
+
+def uninstrument_connection(
+    connection: ConnectionT | TracedConnectionProxy[ConnectionT],
+) -> ConnectionT:
+    """Disable instrumentation in a database connection.
+
+    Args:
+        connection: The connection to uninstrument.
+
+    Returns:
+        An uninstrumented connection.
+    """
+    if isinstance(connection, wrapt.ObjectProxy):
+        return connection.__wrapped__
+
+    _logger.warning("Connection is not instrumented")
+    return connection
+
+
+class DatabaseApiIntegration:
+    def __init__(
+        self,
+        name: str,
+        database_system: str,
+        connection_attributes: dict[str, Any] | None = None,
+        version: str = "",
+        tracer_provider: TracerProvider | None = None,
+        capture_parameters: bool = False,
+        enable_commenter: bool = False,
+        commenter_options: dict[str, Any] | None = None,
+        connect_module: Callable[..., Any] | None = None,
+        enable_attribute_commenter: bool = False,
+    ):
+        if connection_attributes is None:
+            self.connection_attributes = {
+                "database": "database",
+                "port": "port",
+                "host": "host",
+                "user": "user",
+            }
+        else:
+            self.connection_attributes = connection_attributes
+        self._name = name
+        self._version = version
+        self._tracer = get_tracer(
+            self._name,
+            instrumenting_library_version=self._version,
+            tracer_provider=tracer_provider,
+            schema_url="https://opentelemetry.io/schemas/1.11.0",
+        )
+        self.capture_parameters = capture_parameters
+        self.enable_commenter = enable_commenter
+        self.commenter_options = commenter_options
+        self.enable_attribute_commenter = enable_attribute_commenter
+        self.database_system = database_system
+        self.connection_props: dict[str, Any] = {}
+        self.span_attributes: dict[str, Any] = {}
+        self.name = ""
+        self.database = ""
+        self.connect_module = connect_module
+        self.commenter_data = self.calculate_commenter_data()
+
+    def _get_db_version(self, db_driver: str) -> str:
+        if db_driver in _DB_DRIVER_ALIASES:
+            return util_version(_DB_DRIVER_ALIASES[db_driver])
+        db_version = ""
+        try:
+            db_version = self.connect_module.__version__
+        except AttributeError:
+            db_version = "unknown"
+        return db_version
+
+    def calculate_commenter_data(self) -> dict[str, Any]:
+        commenter_data: dict[str, Any] = {}
+        if not self.enable_commenter:
+            return commenter_data
+
+        db_driver = getattr(self.connect_module, "__name__", "unknown")
+        db_version = self._get_db_version(db_driver)
+
+        commenter_data = {
+            "db_driver": f"{db_driver}:{db_version.split(' ')[0]}",
+            # PEP 249-compliant drivers should have the following attributes.
+            # We can assume apilevel "1.0" if not given.
+            # We use "unknown" for others to prevent uncaught AttributeError.
+            # https://peps.python.org/pep-0249/#globals
+            "dbapi_threadsafety": getattr(
+                self.connect_module, "threadsafety", "unknown"
+            ),
+            "dbapi_level": getattr(self.connect_module, "apilevel", "1.0"),
+            "driver_paramstyle": getattr(
+                self.connect_module, "paramstyle", "unknown"
+            ),
+        }
+
+        if self.database_system == "postgresql":
+            if hasattr(self.connect_module, "__libpq_version__"):
+                libpq_version = self.connect_module.__libpq_version__
+            else:
+                libpq_version = self.connect_module.pq.__build_version__
+            commenter_data.update({"libpq_version": libpq_version})
+        elif self.database_system == "mysql":
+            mysqlc_version = ""
+            if db_driver == "MySQLdb":
+                mysqlc_version = self.connect_module._mysql.get_client_info()
+            elif db_driver == "pymysql":
+                mysqlc_version = self.connect_module.get_client_info()
+
+            commenter_data.update({"mysql_client_version": mysqlc_version})
+
+        return commenter_data
+
+    def wrapped_connection(
+        self,
+        connect_method: Callable[..., ConnectionT],
+        args: tuple[Any, ...],
+        kwargs: dict[Any, Any],
+    ) -> TracedConnectionProxy[ConnectionT]:
+        """Add object proxy to connection object."""
+        connection = connect_method(*args, **kwargs)
+        self.get_connection_attributes(connection)
+        return get_traced_connection_proxy(connection, self)
+
+    def get_connection_attributes(self, connection: object) -> None:
+        # Populate span fields using connection
+        for key, value in self.connection_attributes.items():
+            # Allow attributes nested in connection object
+            attribute = functools.reduce(
+                lambda attribute, attribute_value: getattr(
+                    attribute, attribute_value, None
+                ),
+                value.split("."),
+                connection,
+            )
+            if attribute:
+                self.connection_props[key] = attribute
+        self.name = self.database_system
+        self.database = self.connection_props.get("database", "")
+        if self.database:
+            # PyMySQL encodes names with utf-8
+            if hasattr(self.database, "decode"):
+                self.database = self.database.decode(errors="ignore")
+            self.name += "." + self.database
+        user = self.connection_props.get("user")
+        # PyMySQL encodes this data
+        if user and isinstance(user, bytes):
+            user = user.decode()
+        if user is not None:
+            self.span_attributes[SpanAttributes.DB_USER] = str(user)
+        host = self.connection_props.get("host")
+        if host is not None:
+            self.span_attributes[SpanAttributes.NET_PEER_NAME] = host
+        port = self.connection_props.get("port")
+        if port is not None:
+            self.span_attributes[SpanAttributes.NET_PEER_PORT] = port
+
+
+# pylint: disable=abstract-method
+class TracedConnectionProxy(wrapt.ObjectProxy, Generic[ConnectionT]):
+    # pylint: disable=unused-argument
+    def __init__(
+        self,
+        connection: ConnectionT,
+        db_api_integration: DatabaseApiIntegration | None = None,
+    ):
+        wrapt.ObjectProxy.__init__(self, connection)
+        self._self_db_api_integration = db_api_integration
+
+    def __getattribute__(self, name: str):
+        if object.__getattribute__(self, name):
+            return object.__getattribute__(self, name)
+
+        return object.__getattribute__(
+            object.__getattribute__(self, "_connection"), name
+        )
+
+    def cursor(self, *args: Any, **kwargs: Any):
+        return get_traced_cursor_proxy(
+            self.__wrapped__.cursor(*args, **kwargs),
+            self._self_db_api_integration,
+        )
+
+    def __enter__(self):
+        self.__wrapped__.__enter__()
+        return self
+
+    def __exit__(self, *args: Any, **kwargs: Any):
+        self.__wrapped__.__exit__(*args, **kwargs)
+
+
+def get_traced_connection_proxy(
+    connection: ConnectionT,
+    db_api_integration: DatabaseApiIntegration | None,
+    *args: Any,
+    **kwargs: Any,
+) -> TracedConnectionProxy[ConnectionT]:
+    return TracedConnectionProxy(connection, db_api_integration)
+
+
+class CursorTracer(Generic[CursorT]):
+    def __init__(self, db_api_integration: DatabaseApiIntegration) -> None:
+        self._db_api_integration = db_api_integration
+        self._commenter_enabled = self._db_api_integration.enable_commenter
+        self._commenter_options = (
+            self._db_api_integration.commenter_options
+            if self._db_api_integration.commenter_options
+            else {}
+        )
+        self._enable_attribute_commenter = (
+            self._db_api_integration.enable_attribute_commenter
+        )
+        self._connect_module = self._db_api_integration.connect_module
+        self._leading_comment_remover = re.compile(r"^/\*.*?\*/")
+
+    def _capture_mysql_version(self, cursor) -> None:
+        """Lazy capture of mysql-connector client version using cursor, if applicable"""
+        if (
+            self._db_api_integration.database_system == "mysql"
+            and self._db_api_integration.connect_module.__name__
+            == "mysql.connector"
+            and not self._db_api_integration.commenter_data[
+                "mysql_client_version"
+            ]
+        ):
+            self._db_api_integration.commenter_data["mysql_client_version"] = (
+                cursor._cnx._cmysql.get_client_info()
+            )
+
+    def _get_commenter_data(self) -> dict:
+        """Uses DB-API integration to return commenter data for sqlcomment"""
+        commenter_data = dict(self._db_api_integration.commenter_data)
+        if self._commenter_options.get("opentelemetry_values", True):
+            commenter_data.update(**_get_opentelemetry_values())
+        return {
+            k: v
+            for k, v in commenter_data.items()
+            if self._commenter_options.get(k, True)
+        }
+
+    def _update_args_with_added_sql_comment(self, args, cursor) -> tuple:
+        """Updates args with cursor info and adds sqlcomment to query statement"""
+        try:
+            args_list = list(args)
+            self._capture_mysql_version(cursor)
+            commenter_data = self._get_commenter_data()
+            statement = _add_sql_comment(args_list[0], **commenter_data)
+            args_list[0] = statement
+            args = tuple(args_list)
+        except Exception as exc:  # pylint: disable=broad-except
+            _logger.exception(
+                "Exception while generating sql comment: %s", exc
+            )
+        return args
+
+    def _populate_span(
+        self,
+        span: trace_api.Span,
+        cursor: CursorT,
+        *args: tuple[Any, ...],
+    ):
+        if not span.is_recording():
+            return
+        statement = self.get_statement(cursor, args)
+        span.set_attribute(
+            SpanAttributes.DB_SYSTEM, self._db_api_integration.database_system
+        )
+        span.set_attribute(
+            SpanAttributes.DB_NAME, self._db_api_integration.database
+        )
+        span.set_attribute(SpanAttributes.DB_STATEMENT, statement)
+
+        for (
+            attribute_key,
+            attribute_value,
+        ) in self._db_api_integration.span_attributes.items():
+            span.set_attribute(attribute_key, attribute_value)
+
+        if self._db_api_integration.capture_parameters and len(args) > 1:
+            span.set_attribute("db.statement.parameters", str(args[1]))
+
+    def get_operation_name(
+        self, cursor: CursorT, args: tuple[Any, ...]
+    ) -> str:  # pylint: disable=no-self-use
+        if args and isinstance(args[0], str):
+            # Strip leading comments so we get the operation name.
+            return self._leading_comment_remover.sub("", args[0]).split()[0]
+        return ""
+
+    def get_statement(self, cursor: CursorT, args: tuple[Any, ...]):  # pylint: disable=no-self-use
+        if not args:
+            return ""
+        statement = args[0]
+        if isinstance(statement, bytes):
+            return statement.decode("utf8", "replace")
+        return statement
+
+    def traced_execution(
+        self,
+        cursor: CursorT,
+        query_method: Callable[..., Any],
+        *args: tuple[Any, ...],
+        **kwargs: dict[Any, Any],
+    ):
+        name = self.get_operation_name(cursor, args)
+        if not name:
+            name = (
+                self._db_api_integration.database
+                if self._db_api_integration.database
+                else self._db_api_integration.name
+            )
+
+        with self._db_api_integration._tracer.start_as_current_span(
+            name, kind=SpanKind.CLIENT
+        ) as span:
+            if span.is_recording():
+                if args and self._commenter_enabled:
+                    if self._enable_attribute_commenter:
+                        # sqlcomment is added to executed query and db.statement span attribute
+                        args = self._update_args_with_added_sql_comment(
+                            args, cursor
+                        )
+                        self._populate_span(span, cursor, *args)
+                    else:
+                        # sqlcomment is only added to executed query
+                        # so db.statement is set before add_sql_comment
+                        self._populate_span(span, cursor, *args)
+                        args = self._update_args_with_added_sql_comment(
+                            args, cursor
+                        )
+                else:
+                    # no sqlcomment anywhere
+                    self._populate_span(span, cursor, *args)
+            return query_method(*args, **kwargs)
+
+
+# pylint: disable=abstract-method
+class TracedCursorProxy(wrapt.ObjectProxy, Generic[CursorT]):
+    # pylint: disable=unused-argument
+    def __init__(
+        self,
+        cursor: CursorT,
+        db_api_integration: DatabaseApiIntegration,
+    ):
+        wrapt.ObjectProxy.__init__(self, cursor)
+        self._self_cursor_tracer = CursorTracer[CursorT](db_api_integration)
+
+    def execute(self, *args: Any, **kwargs: Any):
+        return self._self_cursor_tracer.traced_execution(
+            self.__wrapped__, self.__wrapped__.execute, *args, **kwargs
+        )
+
+    def executemany(self, *args: Any, **kwargs: Any):
+        return self._self_cursor_tracer.traced_execution(
+            self.__wrapped__, self.__wrapped__.executemany, *args, **kwargs
+        )
+
+    def callproc(self, *args: Any, **kwargs: Any):
+        return self._self_cursor_tracer.traced_execution(
+            self.__wrapped__, self.__wrapped__.callproc, *args, **kwargs
+        )
+
+    def __enter__(self):
+        self.__wrapped__.__enter__()
+        return self
+
+    def __exit__(self, *args, **kwargs):
+        self.__wrapped__.__exit__(*args, **kwargs)
+
+
+def get_traced_cursor_proxy(
+    cursor: CursorT,
+    db_api_integration: DatabaseApiIntegration,
+    *args: Any,
+    **kwargs: Any,
+) -> TracedCursorProxy[CursorT]:
+    return TracedCursorProxy(cursor, db_api_integration)
diff --git a/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/package.py b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/package.py
new file mode 100644
index 00000000..7a66a17a
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/package.py
@@ -0,0 +1,16 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+_instruments = tuple()
diff --git a/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/py.typed b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/py.typed
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/py.typed
diff --git a/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/version.py b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/version.py
new file mode 100644
index 00000000..bc1d59fd
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/opentelemetry/instrumentation/dbapi/version.py
@@ -0,0 +1,17 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__version__ = "0.52b1"
+
+_instruments = tuple()