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NamedTempFile used to use APR calls to discover a suitable temp directory,
synthesize a temp filename template, generate the unique file, write its
content and ultimately delete it. This required a reference to gAPRPoolp as
the default value of an optional constructor argument in case some usage
demanded an alternative APR memory pool. It also used Boost.Phoenix
placeholders to magically synthesize a callable. Replace APR calls with
Boost.Filesystem; replace Boost.Phoenix with lambdas. Break out unique path
generation logic as static NamedTempFile::temp_path(). In a nod to GitHub
Actions builds, honor RUNNER_TEMP environment variable if set.
test.cpp's RecordToTempFile need no longer pass an apr_pool_t* to
NamedTempFile.
NamedTempFile's constructor now accepts an optional suffix, making subclass
NamedExtTempFile nearly trivial. It no longer needs to create or remove a
symlink, for which it used to use APR calls.
llprocess_test.cpp's NamedTempDir used to use Python's tempfile.mkdtemp() to
create a temp directory, and apr_dir_remove() to destroy it. Replace both with
NamedTempFile::temp_path() and Boost.Filesystem.
Also add diagnostic output for LLProcess test failure. If llprocess_test
cannot launch a child process, notice the APR_LOG environment variable
recognized by our patched apr_suite to engage logging, and report the contents
of that file.
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Normalize the case of the name of the temp directory for string comparison.
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Turns out that the pathname of the Python executable wasn't the issue.
This reverts commit 7dc6211ad5ea83685a35c6fff740278343aa8b9d.
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On GitHub Windows runners, trying to make build.yaml set PYTHON=python in the
environment doesn't work: integration tests still fail with "Access is denied"
because they're still trying to execute the interpreter's full pathname.
Instead, make llprocess_test and llleap_test detect the case of GitHub Windows
and override the environment variable PYTHON with a baked-in string constant
"python".
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instead of a new value for each LLProcess::create() invocation.
Since the internal apr_log() function only looks at APR_LOG once per process,
the first test (which succeeded, hence no log file dump) left the log file
open with that same original pathname. Resetting the APR_LOG environment
variable for subsequent runs only made the new code in llprocess_test look for
files that were never created.
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Remove llcommon circular dependency on llfilesystem, which doesn't work for
this case anyway.
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Introducing indirection via test_python_script.py did NOT address the "Access
is denied" errors on GitHub Windows runners.
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On GitHub Windows Actions runners, we're getting permissions errors trying to
tell the Python interpreter to run a NamedTempFile script. Try using
NamedExtTempFile to give each such script a .py extension.
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# Conflicts:
# autobuild.xml
# doc/contributions.txt
# indra/cmake/GLOD.cmake
# indra/llcommon/tests/llprocess_test.cpp
# indra/newview/VIEWER_VERSION.txt
# indra/newview/lldrawpoolavatar.cpp
# indra/newview/llfloatermodelpreview.cpp
# indra/newview/llmodelpreview.cpp
# indra/newview/llviewertexturelist.cpp
# indra/newview/llvovolume.cpp
# indra/newview/viewer_manifest.py
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This changeset makes it possible to build the Second Life viewer using
Python 3. It is designed to be used with an equivalent Autobuild branch
so that a developer can compile without needing Python 2 on their
machine.
Breaking change: Python 2 support ending
Rather than supporting two versions of Python, including one that was
discontinued at the beginning of the year, this branch focuses on
pouring future effort into Python 3 only. As a result, scripts do not
need to be backwards compatible. This means that build environments,
be they on personal computers and on build agents, need to have a
compatible interpreter.
Notes
- SLVersionChecker will still use Python 2 on macOS
- Fixed the message template url used by template_verifier.py
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If the test<1>() child process terminates with nonzero rc, also report any
stdout/stderr it might have emitted first.
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Use them in place of awkward try/catch test boilerplate.
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Use LLStringUtil::getenv() or getoptenv() whenever we fetch a string that will
be used as a pathname.
Use LLFile::tmpdir() instead of getenv("TEMP").
As an added extra-special bonus, finally clean up $TMP/llcontrol-test-zzzzzz
directories that have been accumulating every time we run a local build!
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here: https://bitbucket.org/rider_linden/doduo-viewer/commits/4f39500cb46e879dbb732e6547cc66f3ba39959e?at=default
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These were of the form ensure(std::string, something convertible to bool). Not
sure what the ambiguity was, but ensure(std::string, bool(something)) works
better.
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macro in llunit
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build.sh LogScan greps for "error:" (among other things) so removing the colon
from the test name "syntax_error" should help.
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Otherwise, a stuck child process could potentially hang the test, and thus the
whole viewer build.
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All known callers were using ensure(! withMessage(...).empty()). Centralize
that logic. Make failure message report the string being sought and the log
messages in which it wasn't found.
In case someone does want to permit the search to fail, add an optional
'required' parameter, default true.
Leverage new functionality in llprocess_test.cpp.
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Giving more unit tests the ability to capture and examine log output is
generally useful. Renaming the class just makes it less ambiguous: what's a
TestRecorder? Something that records tests?
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Previously one might get process-terminated notification but still have to
wait for the child process's final data to arrive on one or more ReadPipes.
That required complex consumer timing logic to handle incomplete pending
ReadPipe data, e.g. a partial last line with no terminating newline. New code
guarantees that by the time LLProcess sends process-terminated notification,
all pending pipe data will have been buffered in ReadPipes.
Document LLProcess::ReadPipe::getPump() notification event; add "eof" key.
Add LLProcess::ReadPipe::getline() and read() convenience methods.
Add static LLProcess::getline() and basename() convenience methods, publishing
logic already present elsewhere.
Use ReadPipe::getline() and read() in unit tests.
Add unit test for "eof" event on ReadPipe::getPump().
Add unit test verifying that final data have been buffered by termination
notification event.
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Clarify wording in some of the doc comments; be a bit more explicit about some
of the parameter fields.
Make some query methods 'const'.
Change default LLProcess::ReadPipe::getLimit() value to 0: don't post any
incoming data with notification event unless caller requests it. But do post
pertinent FILESLOT in case caller reuses same listener for both stdout and
stderr.
Use more idiomatic, readable syntax for accessing LLProcess::Params data.
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If caller runs (e.g.) a Python script, it's not very helpful to a human log
reader to keep seeing LLProcess instances logged as /pathname/to/python (pid).
If caller is aware, the code can at least use the script name as the desc --
or maybe even a hint as to the script's purpose.
If caller doesn't explicitly pass a desc, at least shorten to just the
basename of the executable.
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This way a caller need not spin on isRunning(); we can just listen for the
requested termination event.
Post a similar event containing error message if for any reason
LLProcess::create() failed to launch the child.
Add unit tests for both cases.
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The typos didn't make for invalid tests, but they made a few tests redundant
while leaving other (subtly different) cases untested.
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