Datasets:

eltociear
/

uv-tasks-v1

task_id stringlengths 6 6	category stringclasses 5 values	prompt stringlengths 88 323	api_description stringclasses 1 value	expected_output stringlengths 18 111
uv-000	versions	Sort these versions into PEP 440 order, lowest first: '1.0.0.post1', '1.0.0', '1.0.0rc1', '1.0.0a1', '1.0.0.dev1', '1.0.0b1'. Return one row of the six version strings.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["1.0.0.dev1", "1.0.0a1", "1.0.0b1", "1.0.0rc1", "1.0.0", "1.0.0.post1"]]}
uv-001	versions	Are '1.0', '1.0.0' and '1.0.0.0' equal under PEP 440? Give 1 or 0 for each of the comparisons 1.0 == 1.0.0, 1.0.0 == 1.0.0.0 and 1.0 == 1.0.0.0. Return one row of three values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 1, 1]]}
uv-002	versions	PEP 440 epochs. Sort '2.0', '1!1.0' and '1!0.5' lowest first. Return one row of the three version strings.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["2.0", "1!0.5", "1!1.0"]]}
uv-003	versions	Where does a LOCAL version sort? Sort '1.0.0', '1.0.0+local', '1.0.0.post1' and '1.0.0rc1' lowest first. Return one row of the four version strings.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["1.0.0rc1", "1.0.0", "1.0.0+local", "1.0.0.post1"]]}
uv-004	versions	Give 1 if the version is a pre-release and 0 if not, for '1.0.0', '1.0.0rc1', '1.0.0.post1', '1.0.0.dev1' and '1.1.0rc1'. Return one row of five values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[0, 1, 0, 1, 1]]}
uv-005	versions	Normalise these version strings the way PEP 440 does and give the results: '1.0.0-alpha.1', '1.0.0-rc1', '1.0.0.RELEASE'. If a string cannot be parsed, give the exact word 'invalid' instead. Return one row of three values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["1.0.0a1", "1.0.0rc1", "invalid"]]}
uv-006	versions	Sort every version of 'epsilon' in the index into PEP 440 order, lowest first, and then give how many of them are pre-releases. Return one row: the version strings followed by the count.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["0.5.0", "1.0.0", "1.1.0rc1", 1]]}
uv-007	specifiers	The compatible-release operator. For the specifier '~=1.4.2', give 1 or 0 for whether it matches '1.4.2', '1.4.9', '1.5.0' and '1.4.1'. Return one row of four values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 1, 0, 0]]}
uv-008	specifiers	For the specifier '~=1.4', give 1 or 0 for whether it matches '1.4.0', '1.9.0', '2.0.0' and '1.3.0'. Return one row of four values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 1, 0, 0]]}
uv-009	specifiers	Wildcard equality. For '==1.4.*', give 1 or 0 for '1.4.0', '1.4.9', '1.5.0' and '1.40.0'. Return one row of four values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 1, 0, 0]]}
uv-010	specifiers	THE PRE-RELEASE ASYMMETRY. Using the specifier '>=1.0' and the candidate list ['0.9', '1.0', '1.1.0rc1', '1.1.0', '2.0.0a1'], give (a) how many candidates the `in` operator accepts, and (b) how many SpecifierSet.filter returns with its default settings. Return one row of the two integers.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[4, 2]]}
uv-011	specifiers	Continuing the asymmetry: give the versions SpecifierSet('>=1.0').filter returns from ['0.9', '1.0', '1.1.0rc1', '1.1.0', '2.0.0a1'], in the order returned. Then do the same for SpecifierSet('>=1.0rc1'). Return two rows of version strings.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["1.0", "1.1.0"], ["1.0", "1.1.0rc1", "1.1.0", "2.0.0a1"]]}
uv-012	specifiers	For the combined specifier '>=1.0,<2.0,!=1.5.0', give 1 or 0 for '1.0.0', '1.5.0', '1.9.9' and '2.0.0'. Return one row of four values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 0, 1, 0]]}
uv-013	specifiers	Which versions of 'beta' in the index satisfy '>=1.0,<1.1'? Give them newest first. Return one row of version strings.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["1.0.1", "1.0.0"]]}
uv-014	specifiers	Which versions of 'epsilon' in the index satisfy '>=0.5' with pre-releases excluded, and which satisfy '>=1.1.0rc1'? Give each newest first. Return two rows of version strings.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["1.0.0", "0.5.0"], ["1.1.0rc1"]]}
uv-015	markers	Evaluate the PEP 508 marker 'python_version >= "3.11"' in each of the environments linux311, win310 and macarm312. Give 1 or 0 for each, in that order. Return one row of three values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 0, 1]]}
uv-016	markers	Evaluate 'sys_platform == "linux" and platform_machine == "x86_64"' in linux311, win310 and macarm312. Return one row of three values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 0, 0]]}
uv-017	markers	Evaluate 'sys_platform != "win32" or python_version < "3.11"' in linux311, win310 and macarm312. Return one row of three values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 1, 1]]}
uv-018	markers	python_version is compared as a VERSION, not lexically. For the marker 'python_version >= "3.9"', give its value in linux311, win310 and macarm312; then give what a NAIVE LEXICAL string comparison of that environment's python_version against "3.9" would give in the same three environments. Return two rows of three valu...	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 1, 1], [0, 0, 0]]}
uv-019	markers	How many of the three environments satisfy 'platform_system == "Darwin" and platform_machine == "arm64"', and which one — give its name, or the exact word 'none'. Return one row [count, name].	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, "macarm312"]]}
uv-020	markers	Given the requirement list ['gamma>=0.2', 'delta>=2 ; sys_platform == "win32"', 'epsilon>=1 ; python_version >= "3.12"'], give the number of requirements that APPLY in linux311, in win310 and in macarm312. Return one row of three values.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[1, 2, 2]]}
uv-021	resolution	Resolve the single requirement 'alpha' against the fixed index under the stated rules. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["alpha", "2.0.0"], ["beta", "1.1.0"], ["delta", "2.1.0"], ["gamma", "0.3.0"]]}
uv-022	resolution	Resolve 'alpha<2'. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["alpha", "1.2.0"], ["beta", "1.1.0"], ["gamma", "0.3.0"]]}
uv-023	resolution	Resolve 'alpha==1.0.0'. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["alpha", "1.0.0"], ["beta", "1.0.1"], ["gamma", "0.3.0"]]}
uv-024	resolution	Resolve the two requirements 'alpha' and 'gamma<0.3' together. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["alpha", "1.1.0"], ["beta", "1.0.1"], ["gamma", "0.2.0"]]}
uv-025	resolution	Resolve 'delta>=2' together with 'gamma>=0.3'. This forces a backtrack: delta 2.0.0 requires gamma<0.3. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["delta", "2.1.0"], ["gamma", "0.3.0"]]}
uv-026	resolution	Resolve 'epsilon'. Note the pre-release rule. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["epsilon", "1.0.0"], ["gamma", "0.3.0"]]}
uv-027	resolution	Give the number of packages in the resolution of 'alpha', of 'alpha<2', and of 'delta>=2'. Return one row of three integers.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[4, 3, 2]]}
uv-028	resolution	Is the requirement pair 'alpha==1.2.0' and 'gamma<0.3' satisfiable? Give 1 or 0, then the number of packages in the resolution (0 if unsatisfiable). Return one row of two integers.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[0, 0]]}
uv-029	resolution	Is 'alpha==1.2.0' together with 'gamma==0.1.0' satisfiable? Give 1 or 0, then the number of packages in the resolution (0 if unsatisfiable). Return one row of two integers.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[0, 0]]}
uv-030	extras	Resolve 'alpha[plus]<2' — alpha with its 'plus' extra. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["alpha", "1.2.0"], ["beta", "1.1.0"], ["delta", "2.1.0"], ["epsilon", "1.0.0"], ["gamma", "0.3.0"]]}
uv-031	extras	Resolve 'alpha[plus]==2.0.0'. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["alpha", "2.0.0"], ["beta", "1.1.0"], ["delta", "2.1.0"], ["epsilon", "1.0.0"], ["gamma", "0.3.0"]]}
uv-032	extras	How many packages does 'alpha<2' resolve to WITHOUT the plus extra, and how many WITH it? Return one row of two integers.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [[3, 5]]}
uv-033	extras	Resolve 'beta[fast]'. Return one row per resolved package, [name, version], sorted by name.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["beta", "1.1.0"], ["delta", "2.1.0"], ["gamma", "0.3.0"]]}
uv-034	extras	Give the names of every package in the resolution of 'alpha[plus]<2', sorted alphabetically. Return one row of the names.	The tasks use this FIXED package index. There is no network; these are all the distributions that exist. alpha: 1.0.0, 1.1.0, 1.2.0, 2.0.0 beta: 0.9.0, 1.0.0, 1.0.1, 1.1.0 gamma: 0.1.0, 0.2.0, 0.3.0 delta: 1.0.0, 2.0.0, 2.1.0 epsilon: 0.5.0, 1.0.0, 1.1.0rc1 Requirements of each distribution: alp...	{"rows": [["alpha", "beta", "delta", "epsilon", "gamma"]]}

uv-tasks-v1

35 Python-packaging tasks for the uv-env RL environment: PEP 440 version ordering, PEP 440 specifier matching, PEP 508 environment markers, extras expansion, and dependency resolution with backtracking over a fixed index.

field	meaning
`task_id`	`uv-000` … `uv-034`
`category`	versions / specifiers / markers / resolution / extras
`prompt`	the question and the exact shape of the answer
`api_description`	the fixed package index with every version and requirement, the resolution rules, and the three marker environments
`expected_output`	JSON `{"rows": [...]}`, computed by executing a reference solution

Categories: versions 7, specifiers 8, markers 6, resolution 9, extras 5. Requires packaging>=24.0 in the sandbox; nothing else, and no network.

Why this dataset exists

uv sat unclaimed on the reasoning that "resolution needs the network, so it cannot be made deterministic." That is only true of resolution against a live index. Everything that makes uv's behaviour hard to predict is offline semantics — version ordering, specifier matching, marker evaluation, extras, and the resolver's own backtracking. State the index in the prompt and the whole thing is a pure function.

The trap, measured rather than assumed

Version("1.1.0rc1") in SpecifierSet(">=1.0")        # -> True
SpecifierSet(">=1.0").filter([..., "1.1.0rc1"])     # -> 1.1.0rc1 is EXCLUDED

__contains__ admits pre-releases when prereleases is None; filter excludes them. A resolver written with in silently installs release candidates and one written with filter does not — and filter is what uv and pip do.

That single asymmetry is the difference between a correct resolution answer key and a confidently wrong one. It was found by running both, not by reasoning about the spec, and two tasks ask about it directly. The builder asserts the two still disagree, so an upstream change to packaging cannot quietly turn those tasks into tautologies.

Other things the tasks pin down

python_version is compared as a version, not lexically: "3.10" >= "3.9" is False as strings and True as versions, and one task shows both side by side.
~=1.4.2 matches 1.4.9 but not 1.5.0; ~=1.4 matches 1.9.0 but not 2.0.0.
1.0.0+local sorts after 1.0.0 and before 1.0.0.post1.
1.0.0.RELEASE is not a valid PEP 440 version at all, while 1.0.0-alpha.1 normalises to 1.0.0a1.
One resolution is deliberately unsatisfiable, and one forces a backtrack off delta 2.0.0 because it requires gamma<0.3 while beta 1.1.0 requires gamma>=0.3.

The resolver's own answers are re-validated

A backtracking resolver that is subtly wrong will happily return a subtly wrong answer, so every resolution in the answer key is re-checked from scratch by a separate function that shares no code with the search: every root constraint and every requirement of every chosen distribution must hold against the chosen versions.

Verify with python environments/uv_env/build_tasks.py --verify (35/35). Source: https://github.com/eltociear/my-molt-agent/tree/main/environments/uv_env

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