https://github.com/python/cpython/commit/a58083811a51764c47fbb7cbd67e87e1124... commit: a58083811a51764c47fbb7cbd67e87e1124d53e8 branch: main author: Russell Keith-Magee <russell@keith-magee.com> committer: freakboy3742 <russell@keith-magee.com> date: 2025-01-25T16:49:39+08:00 summary: gh-129248: Filter out the iOS log prefix from testbed runner output. (#129252) Filter out the iOS log prefix from testbed runner output. files: A Misc/NEWS.d/next/Tools-Demos/2025-01-24-14-49-40.gh-issue-129248.JAapG2.rst M iOS/testbed/__main__.py diff --git a/Misc/NEWS.d/next/Tools-Demos/2025-01-24-14-49-40.gh-issue-129248.JAapG2.rst b/Misc/NEWS.d/next/Tools-Demos/2025-01-24-14-49-40.gh-issue-129248.JAapG2.rst new file mode 100644 index 00000000000000..e3c781cf10cf50 --- /dev/null +++ b/Misc/NEWS.d/next/Tools-Demos/2025-01-24-14-49-40.gh-issue-129248.JAapG2.rst @@ -0,0 +1,2 @@ +The iOS test runner now strips the log prefix from each line output by the +test suite. diff --git a/iOS/testbed/__main__.py b/iOS/testbed/__main__.py index 068272835a5b95..b4499f5ac171a8 100644 --- a/iOS/testbed/__main__.py +++ b/iOS/testbed/__main__.py @@ -2,6 +2,7 @@ import asyncio import json import plistlib +import re import shutil import subprocess import sys @@ -12,6 +13,18 @@ DECODE_ARGS = ("UTF-8", "backslashreplace") +# The system log prefixes each line: +# 2025-01-17 16:14:29.090 Df iOSTestbed[23987:1fd393b4] (Python) ... +# 2025-01-17 16:14:29.090 E iOSTestbed[23987:1fd393b4] (Python) ... + +LOG_PREFIX_REGEX = re.compile( + r"^\d{4}-\d{2}-\d{2}" # YYYY-MM-DD + r"\s+\d+:\d{2}:\d{2}\.\d+" # HH:MM:SS.sss + r"\s+\w+" # Df/E + r"\s+iOSTestbed\[\d+:\w+\]" # Process/thread ID + r"\s+\(Python\)\s" # Logger name +) + # Work around a bug involving sys.exit and TaskGroups # (https://github.com/python/cpython/issues/101515). @@ -131,6 +144,8 @@ async def log_stream_task(initial_devices): ) as process: suppress_dupes = False while line := (await process.stdout.readline()).decode(*DECODE_ARGS): + # Strip the prefix from each log line + line = LOG_PREFIX_REGEX.sub("", line) # The iOS log streamer can sometimes lag; when it does, it outputs # a warning about messages being dropped... often multiple times. # Only print the first of these duplicated warnings.