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Improve root message when version solving fails (#344)

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Matching description at
https://github.com/dart-lang/pub/blob/master/doc/solver.md#linear-error-reporting
This commit is contained in:
Zanie Blue 2023-11-06 14:07:50 -06:00 • committed by GitHub
parent b0720ea5b2
commit e952557bf1
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4 changed files with 13 additions and 16 deletions
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6
crates/puffin-cli/tests/snapshots/pip_compile__compile_unsolvable_requirements_version_not_available.snap
View file

@ -6,9 +6,9 @@ info:
- pip-compile
- pyproject.toml
- "--cache-dir"
- /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmp2JLrkd
- /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpCU1Ejn
env:
VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmp0ZV4ob/.venv
VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpnY10Er/.venv
---
success: false
exit_code: 1
@ -17,5 +17,5 @@ exit_code: 1
----- stderr -----
× No solution found when resolving dependencies:
╰─▶ Because there is no version of django available matching ==300.1.4 and
my-project depends on django==300.1.4, my-project cannot be satisfied.
my-project depends on django==300.1.4, version solving failed.

6
crates/puffin-cli/tests/snapshots/pip_compile__conflicting_direct_url_dependency.snap
View file

@ -6,9 +6,9 @@ info:
- pip-compile
- requirements.in
- "--cache-dir"
- /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpYAeXfn
- /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpZftc6D
env:
VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpf7hodD/.venv
VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpuYGAMB/.venv
---
success: false
exit_code: 1
@ -17,5 +17,5 @@ exit_code: 1
----- stderr -----
× No solution found when resolving dependencies:
╰─▶ Because there is no version of werkzeug available matching ==3.0.0 and
root depends on werkzeug==3.0.0, root cannot be satisfied.
root depends on werkzeug==3.0.0, version solving failed.

8
crates/puffin-cli/tests/snapshots/pip_compile__conflicting_transitive_url_dependency.snap
View file

@ -6,9 +6,9 @@ info:
- pip-compile
- requirements.in
- "--cache-dir"
- /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpiccUSp
- /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpMkgmyj
env:
VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpCLX1o7/.venv
VIRTUAL_ENV: /var/folders/bc/qlsk3t6x7c9fhhbvvcg68k9c0000gp/T/.tmpGndWSU/.venv
---
success: false
exit_code: 1
@ -17,6 +17,6 @@ exit_code: 1
----- stderr -----
× No solution found when resolving dependencies:
╰─▶ Because there is no version of werkzeug available matching >=3.0.0 and
flask==3.0.0 depends on werkzeug>=3.0.0, flask ==3.0.0 is forbidden.
And because root depends on flask==3.0.0, root cannot be satisfied.
flask==3.0.0 depends on werkzeug>=3.0.0, flask==3.0.0 is forbidden.
And because root depends on flask==3.0.0, version solving failed.

9
crates/puffin-resolver/src/pubgrub/report.rs
View file

@ -268,15 +268,12 @@ impl ResolutionFailureReporter {
pub fn string_terms(terms: &Map<PubGrubPackage, Term<Range<PubGrubVersion>>>) -> String {
let terms_vec: Vec<_> = terms.iter().collect();
match terms_vec.as_slice() {
[] => "version solving failed".into(),
[(package @ PubGrubPackage::Root(_), _)] => {
format!("{package} cannot be satisfied")
}
[] | [(PubGrubPackage::Root(_), _)] => "version solving failed".into(),
[(package @ PubGrubPackage::Package(..), Term::Positive(range))] => {
format!("{package} {range} is forbidden")
format!("{package}{range} is forbidden")
}
[(package @ PubGrubPackage::Package(..), Term::Negative(range))] => {
format!("{package} {range} is mandatory")
format!("{package}{range} is mandatory")
}
[(p1, Term::Positive(r1)), (p2, Term::Negative(r2))] => {
PuffinExternal::FromDependencyOf(