81 lines
3.4 KiB
RPMSpec
81 lines
3.4 KiB
RPMSpec
#
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# spec file for package python-blockbuster
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#
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# Copyright (c) 2025 SUSE LLC
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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# upon. The license for this file, and modifications and additions to the
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# file, is the same license as for the pristine package itself (unless the
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# license for the pristine package is not an Open Source License, in which
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# case the license is the MIT License). An "Open Source License" is a
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via https://bugs.opensuse.org/
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#
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Name: python-blockbuster
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Version: 1.5.25
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Release: 0
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Summary: Utility to detect blocking calls in the async event loop
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License: Apache-2.0
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URL: https://github.com/cbornet/blockbuster
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Source: https://files.pythonhosted.org/packages/source/b/blockbuster/blockbuster-%{version}.tar.gz
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BuildRequires: %{python_module hatchling}
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BuildRequires: %{python_module pip}
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BuildRequires: python-rpm-macros
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# SECTION test requirements
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BuildRequires: %{python_module forbiddenfruit >= 0.1.4}
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BuildRequires: %{python_module pytest-asyncio}
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BuildRequires: %{python_module pytest}
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BuildRequires: %{python_module requests}
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BuildRequires: %{python_module sqlite3}
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# /SECTION
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BuildRequires: fdupes
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Requires: python-forbiddenfruit >= 0.1.4
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BuildArch: noarch
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%python_subpackages
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%description
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Blockbuster is a Python package designed to detect and prevent blocking calls within an asynchronous event loop.
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It is particularly useful when executing tests to ensure that your asynchronous code does not inadvertently call blocking operations,
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which can lead to performance bottlenecks and unpredictable behavior.
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In Python, the asynchronous event loop allows for concurrent execution of tasks without the need for multiple threads or processes.
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This is achieved by running tasks cooperatively, where tasks yield control back to the event loop when they are waiting for I/O operations or other long-running tasks to complete.
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However, blocking calls, such as file I/O operations or certain networking operations, can halt the entire event loop, preventing other tasks from running.
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This can lead to increased latency and reduced performance, defeating the purpose of using asynchronous programming.
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The difficulty with blocking calls is that they are not always obvious, especially when working with third-party libraries or legacy code.
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This is where Blockbuster comes in: it helps you identify and eliminate blocking calls in your codebase during testing, ensuring that your asynchronous code runs smoothly and efficiently.
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It does this by wrapping common blocking functions and raising an exception when they are called within an asynchronous context.
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Notes:
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- Blockbuster currently only detects `asyncio` event loops.
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- Blockbuster is tested only with CPython. It may work with other Python implementations if it's possible to monkey-patch the functions with `setattr`.
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%prep
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%autosetup -p1 -n blockbuster-%{version}
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%build
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%pyproject_wheel
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%install
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%pyproject_install
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%python_expand %fdupes %{buildroot}%{$python_sitelib}
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%check
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# test_ssl_socket needs internet connection
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%pytest -k "not test_ssl_socket"
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%files %{python_files}
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%doc README.md
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%license LICENSE
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%{python_sitelib}/blockbuster
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%{python_sitelib}/blockbuster-%{version}.dist-info
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%changelog
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