wip: pretty print single wildcard range

Author: radoering

src/poetry/core/constraints/version/version_range.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from contextlib import suppress
 from typing import TYPE_CHECKING
 
 from poetry.core.constraints.version.empty_constraint import EmptyConstraint
@@ -336,6 +337,51 @@ def difference(self, other: VersionConstraint) -> VersionConstraint:
     def flatten(self) -> list[VersionRangeConstraint]:
         return [self]
 
+    def _single_wildcard_range_string(self) -> str:
+        if not self.is_single_wildcard_range():
+            raise ValueError("Not a valid wildcard range")
+
+        assert self.max is not None
+        parts = list(self.max.parts)
+
+        # remove trailing zeros from max
+        while parts and parts[-1] == 0:
+            del parts[-1]
+
+        parts[-1] = parts[-1] - 1
+
+        return f"=={'.'.join(str(part) for part in parts)}.*"
+
+    def is_single_wildcard_range(self) -> bool:
+        # e.g.
+        # - "1.*" equals ">=1.0.dev0, <2" (equivalent to ">=1.0.dev0, <2.0.dev0")
+        # - "1.0.*" equals ">=1.0.dev0, <1.1"
+        # - "1.2.*" equals ">=1.2.dev0, <1.3"
+        if self.min is None or self.max is None:
+            return False
+        if not self.include_min or self.include_max:
+            return False
+        if not self.min.is_devrelease() or self.min.first_devrelease() != self.min:
+            return False
+        if (
+            self.max.is_postrelease()
+            or self.max.is_prerelease()
+            or self.max.is_local()
+            or (self.max.is_devrelease() and self.max.first_devrelease() != self.max)
+        ):
+            return False
+        parts_min = list(self.min.parts)
+        parts_max = list(self.max.parts)
+
+        # remove trailing zeros from max
+        while parts_max and parts_max[-1] == 0:
+            del parts_max[-1]
+
+        if set(parts_min[len(parts_max) :]) not in [set(), {0}]:
+            return False
+        parts_min = parts_min[: len(parts_max)]
+        return parts_min[:-1] == parts_max[:-1] and parts_min[-1] + 1 == parts_max[-1]
+
     def __eq__(self, other: object) -> bool:
         if not isinstance(other, VersionRangeConstraint):
             return False
@@ -398,6 +444,9 @@ def _compare_max(self, other: VersionRangeConstraint) -> int:
         return 0
 
     def __str__(self) -> str:
+        with suppress(ValueError):
+            return self._single_wildcard_range_string()
+
         text = ""
 
         if self.min is not None:

src/poetry/core/version/pep440/segments.py

@@ -3,6 +3,7 @@
 import dataclasses
 
 from typing import Optional
+from typing import Sequence
 from typing import Tuple
 from typing import Union
 from typing import cast
@@ -69,6 +70,13 @@ def from_parts(cls, *parts: int) -> Release:
             extra=parts[3:],
         )
 
+    def to_parts(self) -> Sequence[int]:
+        return tuple(
+            part
+            for part in [self.major, self.minor, self.patch, *self.extra]
+            if part is not None
+        )
+
     def to_string(self) -> str:
         return self.text
 

src/poetry/core/version/pep440/version.py

@@ -6,6 +6,7 @@
 
 from typing import TYPE_CHECKING
 from typing import Any
+from typing import Sequence
 from typing import TypeVar
 
 from poetry.core.version.pep440.segments import RELEASE_PHASE_ID_ALPHA
@@ -139,10 +140,13 @@ def patch(self) -> int | None:
         return self.release.patch
 
     @property
-    def non_semver_parts(self) -> tuple[int, ...]:
-        assert isinstance(self.release.extra, tuple)
+    def non_semver_parts(self) -> Sequence[int]:
         return self.release.extra
 
+    @property
+    def parts(self) -> Sequence[int]:
+        return self.release.to_parts()
+
     def to_string(self, short: bool = False) -> str:
         if short:
             import warnings

tests/packages/test_dependency.py

@@ -202,7 +202,21 @@ def test_complete_name() -> None:
             ["x"],
             "A[x] (>=1.6.5,!=1.8.0,<3.1.0)",
         ),
-        # test single version range exclusions
+        # test single version range (wildcard)
+        ("A", "==2.*", None, "A (==2.*)"),
+        ("A", "==2.0.*", None, "A (==2.0.*)"),
+        ("A", "==0.0.*", None, "A (==0.0.*)"),
+        ("A", "==0.1.*", None, "A (==0.1.*)"),
+        ("A", "==0.*", None, "A (<1.0.0)"),
+        ("A", ">=1.0.dev0,<2", None, "A (==1.*)"),
+        ("A", ">=1.0.dev1,<2", None, "A (>=1.0.dev1,<2)"),
+        ("A", ">=1.1.dev0,<2", None, "A (>=1.1.dev0,<2)"),
+        ("A", ">=1.0.dev0,<2.0.dev0", None, "A (==1.*)"),
+        ("A", ">=1.0.dev0,<2.0.dev1", None, "A (>=1.0.dev0,<2.0.dev1)"),
+        ("A", ">=1,<2", None, "A (>=1,<2)"),
+        ("A", ">=1.0.dev0,<1.1", None, "A (==1.0.*)"),
+        ("A", ">=1.0.0.0.dev0,<1.1.0.0.0", None, "A (==1.0.*)"),
+        # test single version range (wildcard) exclusions
         ("A", ">=1.8,!=2.0.*", None, "A (>=1.8,!=2.0.*)"),
         ("A", "!=0.0.*", None, "A (!=0.0.*)"),
         ("A", "!=0.1.*", None, "A (!=0.1.*)"),
@@ -221,10 +235,7 @@ def test_complete_name() -> None:
         ("A", ">=1.8,<2.0 || >=2.2.0", None, "A (>=1.8,<2.0 || >=2.2.0)"),
         ("A", ">=1.8,<2.0 || >=2.1.5", None, "A (>=1.8,<2.0 || >=2.1.5)"),
         ("A", ">=1.8.0.0,<2 || >=2.0.1.5", None, "A (>=1.8.0.0,<2 || >=2.0.1.5)"),
-        # non-semver version test is ignored due to existing bug in wildcard
-        # constraint parsing that ignores non-semver versions
-        # TODO: re-enable for verification once fixed
-        # ("A", ">=1.8.0.0,!=2.0.0.*", None, "A (>=1.8.0.0,!=2.0.0.*)"),  # noqa: E800
+        ("A", ">=1.8.0.0,!=2.0.0.*", None, "A (>=1.8.0.0,!=2.0.0.*)"),
     ],
 )
 def test_dependency_string_representation(

tests/version/pep440/test_segments.py

@@ -23,16 +23,19 @@ def test_release_post_init_minor_and_patch() -> None:
         ((1, 2, 3, 4, 5, 6), Release(1, 2, 3, (4, 5, 6))),
     ],
 )
-def test_release_from_parts(parts: tuple[int, ...], result: Release) -> None:
+def test_release_from_parts_to_parts(parts: tuple[int, ...], result: Release) -> None:
     assert Release.from_parts(*parts) == result
+    assert result.to_parts() == parts
 
 
 @pytest.mark.parametrize("precision", list(range(1, 6)))
 def test_release_precision(precision: int) -> None:
     """
     Semantically identical releases might have a different precision, e.g. 1 vs. 1.0
     """
-    assert Release.from_parts(1, *[0] * (precision - 1)).precision == precision
+    release = Release.from_parts(1, *[0] * (precision - 1))
+    assert release.precision == precision
+    assert len(release.to_parts()) == precision
 
 
 @pytest.mark.parametrize("precision", list(range(1, 6)))