2025-09-12T17:13:35,488 Created temporary directory: /tmp/pip-build-tracker-sq_ggk2f 2025-09-12T17:13:35,489 Initialized build tracking at /tmp/pip-build-tracker-sq_ggk2f 2025-09-12T17:13:35,489 Created build tracker: /tmp/pip-build-tracker-sq_ggk2f 2025-09-12T17:13:35,489 Entered build tracker: /tmp/pip-build-tracker-sq_ggk2f 2025-09-12T17:13:35,490 Created temporary directory: /tmp/pip-wheel-j3gial9m 2025-09-12T17:13:35,493 Created temporary directory: /tmp/pip-ephem-wheel-cache-jvbw1mq4 2025-09-12T17:13:35,549 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2025-09-12T17:13:35,551 2 location(s) to search for versions of custom-json-serializer-1234: 2025-09-12T17:13:35,551 * https://pypi.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,551 * https://www.piwheels.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,552 Fetching project page and analyzing links: https://pypi.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,552 Getting page https://pypi.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,553 Found index url https://pypi.org/simple/ 2025-09-12T17:13:35,623 Fetched page https://pypi.org/simple/custom-json-serializer-1234/ as application/vnd.pypi.simple.v1+json 2025-09-12T17:13:35,625 Found link https://files.pythonhosted.org/packages/5e/a9/2cfdf1b9ce0fe6d220d20bf95492010bf3538cdfb7878671ff7d54c43764/custom-json-serializer-1234-1.0.tar.gz (from https://pypi.org/simple/custom-json-serializer-1234/), version: 1.0 2025-09-12T17:13:35,625 Found link https://files.pythonhosted.org/packages/2a/4f/2718ae5726e9eab435c8bdef2789feac303b4c54011091c49903bf0e3b26/custom-json-serializer-1234-1.1.tar.gz (from https://pypi.org/simple/custom-json-serializer-1234/), version: 1.1 2025-09-12T17:13:35,625 Skipping link: No binaries permitted for custom-json-serializer-1234: https://files.pythonhosted.org/packages/92/80/a6dd99e6d048d864fa8df1ae01aac9e3bf0580def29e30a3cd0a5e6207df/custom_json_serializer_1234-1.1-py3-none-any.whl (from https://pypi.org/simple/custom-json-serializer-1234/) 2025-09-12T17:13:35,625 Found link https://files.pythonhosted.org/packages/70/54/d407a54bc12d3222d5ae844b25e85c31bfc2f622eb1a4cdc05a07299d109/custom-json-serializer-1234-1.2.tar.gz (from https://pypi.org/simple/custom-json-serializer-1234/), version: 1.2 2025-09-12T17:13:35,625 Skipping link: No binaries permitted for custom-json-serializer-1234: https://files.pythonhosted.org/packages/ea/b1/318949c7fa353996baf210aeba86a151603cca408792d0774c851768c0b0/custom_json_serializer_1234-1.2-py3-none-any.whl (from https://pypi.org/simple/custom-json-serializer-1234/) 2025-09-12T17:13:35,626 Found link https://files.pythonhosted.org/packages/89/63/be2eb08b6d6a55d6e8f62c1c5d2fefb06a7644350c7c4b413003bc4da55d/custom-json-serializer-1234-1.3.tar.gz (from https://pypi.org/simple/custom-json-serializer-1234/), version: 1.3 2025-09-12T17:13:35,626 Skipping link: No binaries permitted for custom-json-serializer-1234: https://files.pythonhosted.org/packages/b5/ae/98d6ccddecd4fba996d9f67667bf7a585ee7d3ed565aa333db02770b5921/custom_json_serializer_1234-1.3-py3-none-any.whl (from https://pypi.org/simple/custom-json-serializer-1234/) 2025-09-12T17:13:35,626 Found link https://files.pythonhosted.org/packages/81/2f/8760776859afa8c3a6e9239ec8040ec44482f4fa2609e1a123c13df9e61c/custom-json-serializer-1234-1.5.tar.gz (from https://pypi.org/simple/custom-json-serializer-1234/), version: 1.5 2025-09-12T17:13:35,626 Skipping link: No binaries permitted for custom-json-serializer-1234: https://files.pythonhosted.org/packages/c1/44/83ac3db1e64b75e8b388609e6a94f57d0c8741d1bebe19c95fd7a65b9d83/custom_json_serializer_1234-1.5-py3-none-any.whl (from https://pypi.org/simple/custom-json-serializer-1234/) 2025-09-12T17:13:35,626 Found link https://files.pythonhosted.org/packages/51/a2/afbc274b345c1b11174288a3fe155f81803858b2e673a49b56d970f6b43a/custom-json-serializer-1234-1.6.tar.gz (from https://pypi.org/simple/custom-json-serializer-1234/), version: 1.6 2025-09-12T17:13:35,626 Skipping link: No binaries permitted for custom-json-serializer-1234: https://files.pythonhosted.org/packages/f2/83/b3a59d832d0b1470c7d09f0dce6abd758bc89f2ac2394f4de9ddb7d59921/custom_json_serializer_1234-1.6-py3-none-any.whl (from https://pypi.org/simple/custom-json-serializer-1234/) 2025-09-12T17:13:35,627 Fetching project page and analyzing links: https://www.piwheels.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,627 Getting page https://www.piwheels.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,628 Found index url https://www.piwheels.org/simple/ 2025-09-12T17:13:35,740 Fetched page https://www.piwheels.org/simple/custom-json-serializer-1234/ as text/html 2025-09-12T17:13:35,741 Skipping link: No binaries permitted for custom-json-serializer-1234: https://archive1.piwheels.org/simple/custom-json-serializer-1234/custom_json_serializer_1234-1.0-py3-none-any.whl#sha256=d6b439bf51733774933016debb32975ab1728789de37fcdd567daefd46b34ed4 (from https://www.piwheels.org/simple/custom-json-serializer-1234/) 2025-09-12T17:13:35,741 Skipping link: not a file: https://www.piwheels.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,741 Skipping link: not a file: https://pypi.org/simple/custom-json-serializer-1234/ 2025-09-12T17:13:35,765 Given no hashes to check 1 links for project 'custom-json-serializer-1234': discarding no candidates 2025-09-12T17:13:35,766 Collecting custom-json-serializer-1234==1.5 2025-09-12T17:13:35,767 Created temporary directory: /tmp/pip-unpack-rg8t20_7 2025-09-12T17:13:35,904 Downloading custom-json-serializer-1234-1.5.tar.gz (6.4 kB) 2025-09-12T17:13:35,928 Added custom-json-serializer-1234==1.5 from https://files.pythonhosted.org/packages/81/2f/8760776859afa8c3a6e9239ec8040ec44482f4fa2609e1a123c13df9e61c/custom-json-serializer-1234-1.5.tar.gz to build tracker '/tmp/pip-build-tracker-sq_ggk2f' 2025-09-12T17:13:35,929 Running setup.py (path:/tmp/pip-wheel-j3gial9m/custom-json-serializer-1234_9c79015c820546588178598193d0b685/setup.py) egg_info for package custom-json-serializer-1234 2025-09-12T17:13:35,930 Created temporary directory: /tmp/pip-pip-egg-info-9q_aqtzg 2025-09-12T17:13:35,930 Preparing metadata (setup.py): started 2025-09-12T17:13:35,931 Running command python setup.py egg_info 2025-09-12T17:13:36,430 Traceback (most recent call last): 2025-09-12T17:13:36,431 File "", line 2, in 2025-09-12T17:13:36,431 exec(compile(''' 2025-09-12T17:13:36,431 ~~~~^^^^^^^^^^^^ 2025-09-12T17:13:36,432 # This is -- a caller that pip uses to run setup.py 2025-09-12T17:13:36,432 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,432 ...<32 lines>... 2025-09-12T17:13:36,432 exec(compile(setup_py_code, filename, "exec")) 2025-09-12T17:13:36,432 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,432 ''' % ('/tmp/pip-wheel-j3gial9m/custom-json-serializer-1234_9c79015c820546588178598193d0b685/setup.py',), "", "exec")) 2025-09-12T17:13:36,432 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,432 File "", line 35, in 2025-09-12T17:13:36,433 File "/tmp/pip-wheel-j3gial9m/custom-json-serializer-1234_9c79015c820546588178598193d0b685/setup.py", line 17, in 2025-09-12T17:13:36,433 install_requires=open('requirements.txt').readlines() 2025-09-12T17:13:36,433 ~~~~^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,433 FileNotFoundError: [Errno 2] No such file or directory: 'requirements.txt' 2025-09-12T17:13:36,518 ERROR: python setup.py egg_info exited with 1 2025-09-12T17:13:36,530 [bold magenta]full command[/]: [blue]/usr/bin/python3 -c ' 2025-09-12T17:13:36,530 exec(compile('"'"''"'"''"'"' 2025-09-12T17:13:36,530 # This is -- a caller that pip uses to run setup.py 2025-09-12T17:13:36,530 # 2025-09-12T17:13:36,530 # - It imports setuptools before invoking setup.py, to enable projects that directly 2025-09-12T17:13:36,530 # import from `distutils.core` to work with newer packaging standards. 2025-09-12T17:13:36,530 # - It provides a clear error message when setuptools is not installed. 2025-09-12T17:13:36,530 # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so 2025-09-12T17:13:36,530 # setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning: 2025-09-12T17:13:36,530 # manifest_maker: standard file '"'"'-c'"'"' not found". 2025-09-12T17:13:36,530 # - It generates a shim setup.py, for handling setup.cfg-only projects. 2025-09-12T17:13:36,530 import os, sys, tokenize, traceback 2025-09-12T17:13:36,530 2025-09-12T17:13:36,530 try: 2025-09-12T17:13:36,530 import setuptools 2025-09-12T17:13:36,530 except ImportError: 2025-09-12T17:13:36,530 print( 2025-09-12T17:13:36,530 "ERROR: Can not execute `setup.py` since setuptools failed to import in " 2025-09-12T17:13:36,530 "the build environment with exception:", 2025-09-12T17:13:36,530 file=sys.stderr, 2025-09-12T17:13:36,530 ) 2025-09-12T17:13:36,530 traceback.print_exc() 2025-09-12T17:13:36,530 sys.exit(1) 2025-09-12T17:13:36,530 2025-09-12T17:13:36,530 __file__ = %r 2025-09-12T17:13:36,530 sys.argv[0] = __file__ 2025-09-12T17:13:36,530 2025-09-12T17:13:36,530 if os.path.exists(__file__): 2025-09-12T17:13:36,530 filename = __file__ 2025-09-12T17:13:36,530 with tokenize.open(__file__) as f: 2025-09-12T17:13:36,530 setup_py_code = f.read() 2025-09-12T17:13:36,530 else: 2025-09-12T17:13:36,530 filename = "" 2025-09-12T17:13:36,530 setup_py_code = "from setuptools import setup; setup()" 2025-09-12T17:13:36,530 2025-09-12T17:13:36,530 exec(compile(setup_py_code, filename, "exec")) 2025-09-12T17:13:36,530 '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-j3gial9m/custom-json-serializer-1234_9c79015c820546588178598193d0b685/setup.py'"'"',), "", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-9q_aqtzg[/] 2025-09-12T17:13:36,530 [bold magenta]cwd[/]: /tmp/pip-wheel-j3gial9m/custom-json-serializer-1234_9c79015c820546588178598193d0b685/ 2025-09-12T17:13:36,531 Preparing metadata (setup.py): finished with status 'error' 2025-09-12T17:13:36,531 ERROR: metadata generation failed 2025-09-12T17:13:36,536 Exception information: 2025-09-12T17:13:36,536 Traceback (most recent call last): 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata 2025-09-12T17:13:36,536 call_subprocess( 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~^ 2025-09-12T17:13:36,536 args, 2025-09-12T17:13:36,536 ^^^^^ 2025-09-12T17:13:36,536 ...<2 lines>... 2025-09-12T17:13:36,536 spinner=spinner, 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 ^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess 2025-09-12T17:13:36,536 raise error 2025-09-12T17:13:36,536 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1 2025-09-12T17:13:36,536 2025-09-12T17:13:36,536 The above exception was the direct cause of the following exception: 2025-09-12T17:13:36,536 2025-09-12T17:13:36,536 Traceback (most recent call last): 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper 2025-09-12T17:13:36,536 status = _inner_run() 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run 2025-09-12T17:13:36,536 return self.run(options, args) 2025-09-12T17:13:36,536 ~~~~~~~~^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper 2025-09-12T17:13:36,536 return func(self, options, args) 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run 2025-09-12T17:13:36,536 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve 2025-09-12T17:13:36,536 result = self._result = resolver.resolve( 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~^ 2025-09-12T17:13:36,536 collected.requirements, max_rounds=limit_how_complex_resolution_can_be 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 ^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve 2025-09-12T17:13:36,536 state = resolution.resolve(requirements, max_rounds=max_rounds) 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve 2025-09-12T17:13:36,536 self._add_to_criteria(self.state.criteria, r, parent=None) 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria 2025-09-12T17:13:36,536 if not criterion.candidates: 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__ 2025-09-12T17:13:36,536 return bool(self._sequence) 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__ 2025-09-12T17:13:36,536 self._bool = any(self) 2025-09-12T17:13:36,536 ~~~^^^^^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in 2025-09-12T17:13:36,536 return (c for c in iterator if id(c) not in self._incompatible_ids) 2025-09-12T17:13:36,536 ^^^^^^^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built 2025-09-12T17:13:36,536 candidate = func() 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link 2025-09-12T17:13:36,536 base: Optional[BaseCandidate] = self._make_base_candidate_from_link( 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-12T17:13:36,536 link, template, name, version 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 ^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link 2025-09-12T17:13:36,536 self._link_candidate_cache[link] = LinkCandidate( 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~^ 2025-09-12T17:13:36,536 link, 2025-09-12T17:13:36,536 ^^^^^ 2025-09-12T17:13:36,536 ...<3 lines>... 2025-09-12T17:13:36,536 version=version, 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 ^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__ 2025-09-12T17:13:36,536 super().__init__( 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~^ 2025-09-12T17:13:36,536 link=link, 2025-09-12T17:13:36,536 ^^^^^^^^^^ 2025-09-12T17:13:36,536 ...<4 lines>... 2025-09-12T17:13:36,536 version=version, 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 ^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__ 2025-09-12T17:13:36,536 self.dist = self._prepare() 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare 2025-09-12T17:13:36,536 dist = self._prepare_distribution() 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution 2025-09-12T17:13:36,536 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement 2025-09-12T17:13:36,536 return self._prepare_linked_requirement(req, parallel_builds) 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement 2025-09-12T17:13:36,536 dist = _get_prepared_distribution( 2025-09-12T17:13:36,536 req, 2025-09-12T17:13:36,536 ...<3 lines>... 2025-09-12T17:13:36,536 self.check_build_deps, 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution 2025-09-12T17:13:36,536 abstract_dist.prepare_distribution_metadata( 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-12T17:13:36,536 finder, build_isolation, check_build_deps 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 ^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata 2025-09-12T17:13:36,536 self.req.prepare_metadata() 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~~~~~~~~~~^^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata 2025-09-12T17:13:36,536 self.metadata_directory = generate_metadata_legacy( 2025-09-12T17:13:36,536 ~~~~~~~~~~~~~~~~~~~~~~~~^ 2025-09-12T17:13:36,536 build_env=self.build_env, 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ...<3 lines>... 2025-09-12T17:13:36,536 details=details, 2025-09-12T17:13:36,536 ^^^^^^^^^^^^^^^^ 2025-09-12T17:13:36,536 ) 2025-09-12T17:13:36,536 ^ 2025-09-12T17:13:36,536 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata 2025-09-12T17:13:36,536 raise MetadataGenerationFailed(package_details=details) from error 2025-09-12T17:13:36,536 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed 2025-09-12T17:13:36,557 Removed custom-json-serializer-1234==1.5 from https://files.pythonhosted.org/packages/81/2f/8760776859afa8c3a6e9239ec8040ec44482f4fa2609e1a123c13df9e61c/custom-json-serializer-1234-1.5.tar.gz from build tracker '/tmp/pip-build-tracker-sq_ggk2f' 2025-09-12T17:13:36,557 Removed build tracker: '/tmp/pip-build-tracker-sq_ggk2f'