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fix: support minimal llama-index installations #2516

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merged 4 commits into from
Mar 9, 2024
Merged

fix: support minimal llama-index installations #2516

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dd3ae99
fix: support minimal llama-index installations
axiomofjoy Mar 9, 2024
944ce11
clean try except
axiomofjoy Mar 9, 2024
4c2c269
simplify
axiomofjoy Mar 9, 2024
4c32b62
make semantic version parsing more robust
axiomofjoy Mar 9, 2024
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53 changes: 41 additions & 12 deletions src/phoenix/trace/llama_index/callback.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
import logging
from importlib.metadata import PackageNotFoundError, version
from importlib.util import find_spec
from typing import Any
from typing import Any, Tuple

from opentelemetry import trace as trace_api
from opentelemetry.sdk import trace as trace_sdk
Expand All @@ -18,21 +17,43 @@


def _check_instrumentation_compatibility() -> bool:
if find_spec("llama_index") is None:
raise PackageNotFoundError("Missing `llama-index`. Install with `pip install llama-index`.")
# split the version string into a tuple of integers
llama_index_version_str = version("llama-index")
llama_index_version = tuple(map(int, llama_index_version_str.split(".")[:3]))
try:
llama_index_version_str = version("llama-index")
except PackageNotFoundError:
llama_index_version_str = None
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try:
llama_index_core_version_str = version("llama-index-core")
except PackageNotFoundError:
llama_index_core_version_str = None

instrumentation_version_str = version("openinference-instrumentation-llama-index")
instrumentation_version = tuple(map(int, instrumentation_version_str.split(".")[:3]))
# check if the llama_index version is compatible with the instrumentation version
instrumentation_version = _parse_semantic_version(instrumentation_version_str)

if llama_index_version_str is None:
if llama_index_core_version_str is None:
raise PackageNotFoundError(
"Missing `llama_index`. "
"Install with `pip install llama-index` or "
"`pip install llama-index-core` for a minimal installation."
)
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why not just combine these conditionals with an or?

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I could combine with an and, but then I would need to do an additional conditional to handle the case where llama-index-core is installed but the instrumentation is out of date.

There are four cases I was checking for:

  • The user has neither llama-index nor llama-index-core installed.
  • The user has only llama-index-core installed, but an old version of the instrumentation.
  • The user has an old version of llama-index installed and a modern version of the instrumentation.
  • The user has a modern version of llama-index installed and an old version of the instrumentation.

if instrumentation_version < INSTRUMENTATION_MODERN_VERSION:
raise IncompatibleLibraryVersionError(
f"llama-index-core v{llama_index_core_version_str} is not compatible with "
f"openinference-instrumentation-llama-index v{instrumentation_version_str}. "
"Please upgrade openinference-instrumentation-llama-index to at least 1.0.0 via "
"`pip install 'openinference-instrumentation-llama-index>=1.0.0'`."
)
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maybe I'm reading the indentation wrong but I feel this is in the wrong place?

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This condition is checking for the case where llama-index-core is installed but llama-index is not installed. In that case, I am checking whether the current version of the instrumentation is compatible.

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I see, yeah the conditionals a a bit confusing. I think it may be good to explain your logic here a bit as it's quite confusing to map the conditionals

return True
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Explain this true - e.g. -core existence means that the instrumentation is modern "enough"

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@axiomofjoy axiomofjoy Mar 9, 2024 •
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This return statement corresponds to the case where only llama-index-core is installed and a modern version of our instrumentation is installed.


llama_index_version = _parse_semantic_version(llama_index_version_str)
if (
llama_index_version < LLAMA_INDEX_MODERN_VERSION
and instrumentation_version >= INSTRUMENTATION_MODERN_VERSION
):
raise IncompatibleLibraryVersionError(
f"llama-index v{llama_index_version_str} is not compatible with "
f"openinference-instrumentation-llama-index v{instrumentation_version_str}."
f"openinference-instrumentation-llama-index v{instrumentation_version_str}. "
"Please either migrate llama-index to at least 0.10.0 or downgrade "
"openinference-instrumentation-llama-index via "
"`pip install 'openinference-instrumentation-llama-index<1.0.0'`."
Expand All @@ -43,14 +64,22 @@ def _check_instrumentation_compatibility() -> bool:
):
raise IncompatibleLibraryVersionError(
f"llama-index v{llama_index_version_str} is not compatible with "
f"openinference-instrumentation-llama-index v{instrumentation_version_str}."
"Please upgrade openinference-instrumentation-llama-index to at least 1.0.0"
f"openinference-instrumentation-llama-index v{instrumentation_version_str}. "
"Please upgrade openinference-instrumentation-llama-index to at least 1.0.0 via "
"`pip install 'openinference-instrumentation-llama-index>=1.0.0'`."
)
# if the versions are compatible, return True
return True


def _parse_semantic_version(semver_string: str) -> Tuple[int, int, int]:
"""
Parse a semantic version string into a tuple of integers.
"""
major, minor, patch = semver_string.split(".")[:3]
return int(major), int(minor), int(patch)


if _check_instrumentation_compatibility():
from openinference.instrumentation.llama_index._callback import (
OpenInferenceTraceCallbackHandler as _OpenInferenceTraceCallbackHandler,
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