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uv_static/
env_vars.rs

1//! Environment variables used or supported by uv.
2//! Used to generate `docs/reference/environment.md`.
3use uv_macros::{attr_added_in, attr_env_var_pattern, attr_hidden, attribute_env_vars_metadata};
4
5/// Declares all environment variable used throughout `uv` and its crates.
6pub struct EnvVars;
7
8#[attribute_env_vars_metadata]
9impl EnvVars {
10    /// The path to the binary that was used to invoke uv.
11    ///
12    /// This is propagated to all subprocesses spawned by uv.
13    ///
14    /// If the executable was invoked through a symbolic link, some platforms will return the path
15    /// of the symbolic link and other platforms will return the path of the symbolic link’s target.
16    ///
17    /// See <https://doc.rust-lang.org/std/env/fn.current_exe.html#security> for security
18    /// considerations.
19    #[attr_added_in("0.6.0")]
20    pub const UV: &'static str = "UV";
21
22    /// Equivalent to the `--offline` command-line argument. If set, uv will disable network access.
23    #[attr_added_in("0.5.9")]
24    pub const UV_OFFLINE: &'static str = "UV_OFFLINE";
25
26    /// Equivalent to the `--default-index` command-line argument. If set, uv will use
27    /// this URL as the default index when searching for packages.
28    #[attr_added_in("0.4.23")]
29    pub const UV_DEFAULT_INDEX: &'static str = "UV_DEFAULT_INDEX";
30
31    /// Equivalent to the `--index` command-line argument. If set, uv will use this
32    /// space-separated list of URLs as additional indexes when searching for packages.
33    #[attr_added_in("0.4.23")]
34    pub const UV_INDEX: &'static str = "UV_INDEX";
35
36    /// Equivalent to the `--index-url` command-line argument. If set, uv will use this
37    /// URL as the default index when searching for packages.
38    /// (Deprecated: use `UV_DEFAULT_INDEX` instead.)
39    #[attr_added_in("0.0.5")]
40    pub const UV_INDEX_URL: &'static str = "UV_INDEX_URL";
41
42    /// Equivalent to the `--extra-index-url` command-line argument. If set, uv will
43    /// use this space-separated list of URLs as additional indexes when searching for packages.
44    /// (Deprecated: use `UV_INDEX` instead.)
45    #[attr_added_in("0.1.3")]
46    pub const UV_EXTRA_INDEX_URL: &'static str = "UV_EXTRA_INDEX_URL";
47
48    /// Equivalent to the `--find-links` command-line argument. If set, uv will use this
49    /// comma-separated list of additional locations to search for packages.
50    #[attr_added_in("0.4.19")]
51    pub const UV_FIND_LINKS: &'static str = "UV_FIND_LINKS";
52
53    /// Equivalent to the `--no-sources` command-line argument. If set, uv will ignore
54    /// `[tool.uv.sources]` annotations when resolving dependencies.
55    #[attr_added_in("0.9.8")]
56    pub const UV_NO_SOURCES: &'static str = "UV_NO_SOURCES";
57
58    /// Equivalent to the `--cache-dir` command-line argument. If set, uv will use this
59    /// directory for caching instead of the default cache directory.
60    #[attr_added_in("0.0.5")]
61    pub const UV_CACHE_DIR: &'static str = "UV_CACHE_DIR";
62
63    /// The directory for storage of credentials when using a plain text backend.
64    #[attr_added_in("0.8.15")]
65    pub const UV_CREDENTIALS_DIR: &'static str = "UV_CREDENTIALS_DIR";
66
67    /// Equivalent to the `--no-cache` command-line argument. If set, uv will not use the
68    /// cache for any operations.
69    #[attr_added_in("0.1.2")]
70    pub const UV_NO_CACHE: &'static str = "UV_NO_CACHE";
71
72    /// Equivalent to the `--resolution` command-line argument. For example, if set to
73    /// `lowest-direct`, uv will install the lowest compatible versions of all direct dependencies.
74    #[attr_added_in("0.1.27")]
75    pub const UV_RESOLUTION: &'static str = "UV_RESOLUTION";
76
77    /// Equivalent to the `--prerelease` command-line argument. For example, if set to
78    /// `allow`, uv will allow pre-release versions for all dependencies.
79    #[attr_added_in("0.1.16")]
80    pub const UV_PRERELEASE: &'static str = "UV_PRERELEASE";
81
82    /// Equivalent to the `--fork-strategy` argument. Controls version selection during universal
83    /// resolution.
84    #[attr_added_in("0.5.9")]
85    pub const UV_FORK_STRATEGY: &'static str = "UV_FORK_STRATEGY";
86
87    /// Equivalent to the `--system` command-line argument. If set to `true`, uv will
88    /// use the first Python interpreter found in the system `PATH`.
89    ///
90    /// WARNING: `UV_SYSTEM_PYTHON=true` is intended for use in continuous integration (CI)
91    /// or containerized environments and should be used with caution, as modifying the system
92    /// Python can lead to unexpected behavior.
93    #[attr_added_in("0.1.18")]
94    pub const UV_SYSTEM_PYTHON: &'static str = "UV_SYSTEM_PYTHON";
95
96    /// Equivalent to the `--python` command-line argument. If set to a path, uv will use
97    /// this Python interpreter for all operations.
98    #[attr_added_in("0.1.40")]
99    pub const UV_PYTHON: &'static str = "UV_PYTHON";
100
101    /// Equivalent to the `--break-system-packages` command-line argument. If set to `true`,
102    /// uv will allow the installation of packages that conflict with system-installed packages.
103    ///
104    /// WARNING: `UV_BREAK_SYSTEM_PACKAGES=true` is intended for use in continuous integration
105    /// (CI) or containerized environments and should be used with caution, as modifying the system
106    /// Python can lead to unexpected behavior.
107    #[attr_added_in("0.1.32")]
108    pub const UV_BREAK_SYSTEM_PACKAGES: &'static str = "UV_BREAK_SYSTEM_PACKAGES";
109
110    /// Equivalent to the `--native-tls` command-line argument. If set to `true`, uv will
111    /// load TLS certificates from the platform's native certificate store instead of the
112    /// bundled Mozilla root certificates.
113    /// (Deprecated: use `UV_SYSTEM_CERTS` instead.)
114    #[attr_added_in("0.1.19")]
115    pub const UV_NATIVE_TLS: &'static str = "UV_NATIVE_TLS";
116
117    /// Equivalent to the `--system-certs` command-line argument. If set to `true`, uv will
118    /// load TLS certificates from the platform's native certificate store instead of the
119    /// bundled Mozilla root certificates.
120    #[attr_added_in("0.11.0")]
121    pub const UV_SYSTEM_CERTS: &'static str = "UV_SYSTEM_CERTS";
122
123    /// Equivalent to the `--index-strategy` command-line argument.
124    ///
125    /// For example, if set to `unsafe-best-match`, uv will consider versions of a given package
126    /// available across all index URLs, rather than limiting its search to the first index URL
127    /// that contains the package.
128    #[attr_added_in("0.1.29")]
129    pub const UV_INDEX_STRATEGY: &'static str = "UV_INDEX_STRATEGY";
130
131    /// Equivalent to the `--require-hashes` command-line argument. If set to `true`,
132    /// uv will require that all dependencies have a hash specified in the requirements file.
133    #[attr_added_in("0.1.34")]
134    pub const UV_REQUIRE_HASHES: &'static str = "UV_REQUIRE_HASHES";
135
136    /// Equivalent to the `--constraints` command-line argument. If set, uv will use this
137    /// file as the constraints file. Uses space-separated list of files.
138    #[attr_added_in("0.1.36")]
139    pub const UV_CONSTRAINT: &'static str = "UV_CONSTRAINT";
140
141    /// Equivalent to the `--build-constraints` command-line argument. If set, uv will use this file
142    /// as constraints for any source distribution builds. Uses space-separated list of files.
143    #[attr_added_in("0.2.34")]
144    pub const UV_BUILD_CONSTRAINT: &'static str = "UV_BUILD_CONSTRAINT";
145
146    /// Equivalent to the `--overrides` command-line argument. If set, uv will use this file
147    /// as the overrides file. Uses space-separated list of files.
148    #[attr_added_in("0.2.22")]
149    pub const UV_OVERRIDE: &'static str = "UV_OVERRIDE";
150
151    /// Equivalent to the `--excludes` command-line argument. If set, uv will use this
152    /// as the excludes file. Uses space-separated list of files.
153    #[attr_added_in("0.9.8")]
154    pub const UV_EXCLUDE: &'static str = "UV_EXCLUDE";
155
156    /// Equivalent to the `--link-mode` command-line argument. If set, uv will use this as
157    /// a link mode.
158    #[attr_added_in("0.1.40")]
159    pub const UV_LINK_MODE: &'static str = "UV_LINK_MODE";
160
161    /// Equivalent to the `--no-build-isolation` command-line argument. If set, uv will
162    /// skip isolation when building source distributions.
163    #[attr_added_in("0.1.40")]
164    pub const UV_NO_BUILD_ISOLATION: &'static str = "UV_NO_BUILD_ISOLATION";
165
166    /// Equivalent to the `--custom-compile-command` command-line argument.
167    ///
168    /// Used to override uv in the output header of the `requirements.txt` files generated by
169    /// `uv pip compile`. Intended for use-cases in which `uv pip compile` is called from within a wrapper
170    /// script, to include the name of the wrapper script in the output file.
171    #[attr_added_in("0.1.23")]
172    pub const UV_CUSTOM_COMPILE_COMMAND: &'static str = "UV_CUSTOM_COMPILE_COMMAND";
173
174    /// Equivalent to the `--keyring-provider` command-line argument. If set, uv
175    /// will use this value as the keyring provider.
176    #[attr_added_in("0.1.19")]
177    pub const UV_KEYRING_PROVIDER: &'static str = "UV_KEYRING_PROVIDER";
178
179    /// Equivalent to the `--config-file` command-line argument. Expects a path to a
180    /// local `uv.toml` file to use as the configuration file.
181    #[attr_added_in("0.1.34")]
182    pub const UV_CONFIG_FILE: &'static str = "UV_CONFIG_FILE";
183
184    /// Equivalent to the `--no-config` command-line argument. If set, uv will not read
185    /// any configuration files from the current directory, parent directories, or user configuration
186    /// directories.
187    #[attr_added_in("0.2.30")]
188    pub const UV_NO_CONFIG: &'static str = "UV_NO_CONFIG";
189
190    /// If set, uv will not read system-level configuration files.
191    #[attr_added_in("0.11.16")]
192    pub const UV_NO_SYSTEM_CONFIG: &'static str = "UV_NO_SYSTEM_CONFIG";
193
194    /// Equivalent to the `--isolated` command-line argument. If set, uv will avoid discovering
195    /// a `pyproject.toml` or `uv.toml` file.
196    #[attr_added_in("0.8.14")]
197    pub const UV_ISOLATED: &'static str = "UV_ISOLATED";
198
199    /// Equivalent to the `--exclude-newer` command-line argument. If set, uv will
200    /// exclude distributions published after the specified date.
201    #[attr_added_in("0.2.12")]
202    pub const UV_EXCLUDE_NEWER: &'static str = "UV_EXCLUDE_NEWER";
203
204    /// Whether uv should prefer system or managed Python versions.
205    #[attr_added_in("0.3.2")]
206    pub const UV_PYTHON_PREFERENCE: &'static str = "UV_PYTHON_PREFERENCE";
207
208    /// Require use of uv-managed Python versions.
209    #[attr_added_in("0.6.8")]
210    pub const UV_MANAGED_PYTHON: &'static str = "UV_MANAGED_PYTHON";
211
212    /// Disable use of uv-managed Python versions.
213    #[attr_added_in("0.6.8")]
214    pub const UV_NO_MANAGED_PYTHON: &'static str = "UV_NO_MANAGED_PYTHON";
215
216    /// Equivalent to the
217    /// [`python-downloads`](../reference/settings.md#python-downloads) setting and, when disabled, the
218    /// `--no-python-downloads` option. Whether uv should allow Python downloads.
219    #[attr_added_in("0.3.2")]
220    pub const UV_PYTHON_DOWNLOADS: &'static str = "UV_PYTHON_DOWNLOADS";
221
222    /// Overrides the environment-determined libc on linux systems when filling in the current platform
223    /// within Python version requests. Options are: `gnu`, `gnueabi`, `gnueabihf`, `musl`,
224    /// `musleabi`, `musleabihf`, and `none`.
225    #[attr_added_in("0.7.22")]
226    pub const UV_LIBC: &'static str = "UV_LIBC";
227
228    /// Equivalent to the `--compile-bytecode` command-line argument. If set, uv
229    /// will compile Python source files to bytecode after installation.
230    #[attr_added_in("0.3.3")]
231    pub const UV_COMPILE_BYTECODE: &'static str = "UV_COMPILE_BYTECODE";
232
233    /// Timeout (in seconds) for bytecode compilation.
234    #[attr_added_in("0.7.22")]
235    pub const UV_COMPILE_BYTECODE_TIMEOUT: &'static str = "UV_COMPILE_BYTECODE_TIMEOUT";
236
237    /// Equivalent to the `--no-editable` command-line argument. If set, uv
238    /// installs or exports any editable dependencies, including the project and any workspace
239    /// members, as non-editable.
240    #[attr_added_in("0.6.15")]
241    pub const UV_NO_EDITABLE: &'static str = "UV_NO_EDITABLE";
242
243    /// Equivalent to the `--dev` command-line argument. If set, uv will include
244    /// development dependencies.
245    #[attr_added_in("0.8.7")]
246    pub const UV_DEV: &'static str = "UV_DEV";
247
248    /// Equivalent to the `--no-dev` command-line argument. If set, uv will exclude
249    /// development dependencies.
250    #[attr_added_in("0.8.7")]
251    pub const UV_NO_DEV: &'static str = "UV_NO_DEV";
252
253    /// Equivalent to the `--no-group` command-line argument. If set, uv will disable
254    /// the specified dependency groups for the given space-delimited list of packages.
255    #[attr_added_in("0.9.8")]
256    pub const UV_NO_GROUP: &'static str = "UV_NO_GROUP";
257
258    /// Equivalent to the `--no-default-groups` command-line argument. If set, uv will
259    /// not select the default dependency groups defined in `tool.uv.default-groups`.
260    #[attr_added_in("0.9.9")]
261    pub const UV_NO_DEFAULT_GROUPS: &'static str = "UV_NO_DEFAULT_GROUPS";
262
263    /// Equivalent to the `--no-binary` command-line argument. If set, uv will install
264    /// all packages from source. The resolver will still use pre-built wheels to
265    /// extract package metadata, if available.
266    #[attr_added_in("0.5.30")]
267    pub const UV_NO_BINARY: &'static str = "UV_NO_BINARY";
268
269    /// Equivalent to the `--no-binary-package` command line argument. If set, uv will
270    /// not use pre-built wheels for the given space-delimited list of packages.
271    #[attr_added_in("0.5.30")]
272    pub const UV_NO_BINARY_PACKAGE: &'static str = "UV_NO_BINARY_PACKAGE";
273
274    /// Equivalent to the `--no-build` command-line argument. If set, uv will not build
275    /// source distributions.
276    #[attr_added_in("0.1.40")]
277    pub const UV_NO_BUILD: &'static str = "UV_NO_BUILD";
278
279    /// Equivalent to the `--no-build-package` command line argument. If set, uv will
280    /// not build source distributions for the given space-delimited list of packages.
281    #[attr_added_in("0.6.5")]
282    pub const UV_NO_BUILD_PACKAGE: &'static str = "UV_NO_BUILD_PACKAGE";
283
284    /// Equivalent to the `--no-sources-package` command line argument. If set, uv will
285    /// ignore the `tool.uv.sources` table for the given space-delimited list of packages.
286    #[attr_added_in("0.9.26")]
287    pub const UV_NO_SOURCES_PACKAGE: &'static str = "UV_NO_SOURCES_PACKAGE";
288
289    /// Equivalent to the `--publish-url` command-line argument. The URL of the upload
290    /// endpoint of the index to use with `uv publish`.
291    #[attr_added_in("0.4.16")]
292    pub const UV_PUBLISH_URL: &'static str = "UV_PUBLISH_URL";
293
294    /// Equivalent to the `--token` command-line argument in `uv publish`. If set, uv
295    /// will use this token (with the username `__token__`) for publishing.
296    #[attr_added_in("0.4.16")]
297    pub const UV_PUBLISH_TOKEN: &'static str = "UV_PUBLISH_TOKEN";
298
299    /// Equivalent to the `--index` command-line argument in `uv publish`. If
300    /// set, uv will use the index with this name in the configuration for publishing.
301    #[attr_added_in("0.5.8")]
302    pub const UV_PUBLISH_INDEX: &'static str = "UV_PUBLISH_INDEX";
303
304    /// Equivalent to the `--username` command-line argument in `uv publish`. If
305    /// set, uv will use this username for publishing.
306    #[attr_added_in("0.4.16")]
307    pub const UV_PUBLISH_USERNAME: &'static str = "UV_PUBLISH_USERNAME";
308
309    /// Equivalent to the `--password` command-line argument in `uv publish`. If
310    /// set, uv will use this password for publishing.
311    #[attr_added_in("0.4.16")]
312    pub const UV_PUBLISH_PASSWORD: &'static str = "UV_PUBLISH_PASSWORD";
313
314    /// Don't upload a file if it already exists on the index. The value is the URL of the index.
315    #[attr_added_in("0.4.30")]
316    pub const UV_PUBLISH_CHECK_URL: &'static str = "UV_PUBLISH_CHECK_URL";
317
318    /// Equivalent to the `--no-attestations` command-line argument in `uv publish`. If set,
319    /// uv will skip uploading any collected attestations for the published distributions.
320    #[attr_added_in("0.9.12")]
321    pub const UV_PUBLISH_NO_ATTESTATIONS: &'static str = "UV_PUBLISH_NO_ATTESTATIONS";
322
323    /// Equivalent to the `--no-sync` command-line argument. If set, uv will skip updating
324    /// the environment.
325    #[attr_added_in("0.4.18")]
326    pub const UV_NO_SYNC: &'static str = "UV_NO_SYNC";
327
328    /// Equivalent to the `--locked` command-line argument. If set, uv will assert that the
329    /// `uv.lock` remains unchanged.
330    #[attr_added_in("0.4.25")]
331    pub const UV_LOCKED: &'static str = "UV_LOCKED";
332
333    /// Equivalent to the `--frozen` command-line argument. If set, uv will run without
334    /// updating the `uv.lock` file.
335    #[attr_added_in("0.4.25")]
336    pub const UV_FROZEN: &'static str = "UV_FROZEN";
337
338    /// Equivalent to the `--preview` argument. Enables preview mode.
339    #[attr_added_in("0.1.37")]
340    pub const UV_PREVIEW: &'static str = "UV_PREVIEW";
341
342    /// Equivalent to the `--preview-features` argument. Enables specific preview features.
343    #[attr_added_in("0.8.4")]
344    pub const UV_PREVIEW_FEATURES: &'static str = "UV_PREVIEW_FEATURES";
345
346    /// Equivalent to the `--token` argument for self update. A GitHub token for authentication.
347    #[attr_added_in("0.4.10")]
348    pub const UV_GITHUB_TOKEN: &'static str = "UV_GITHUB_TOKEN";
349
350    /// Equivalent to the `--no-verify-hashes` argument. Disables hash verification for
351    /// `requirements.txt` files.
352    #[attr_added_in("0.5.3")]
353    pub const UV_NO_VERIFY_HASHES: &'static str = "UV_NO_VERIFY_HASHES";
354
355    /// Equivalent to the `--allow-insecure-host` argument.
356    #[attr_added_in("0.3.5")]
357    pub const UV_INSECURE_HOST: &'static str = "UV_INSECURE_HOST";
358
359    /// Disable ZIP validation for streamed wheels and ZIP-based source distributions.
360    ///
361    /// WARNING: Disabling ZIP validation can expose your system to security risks by bypassing
362    /// integrity checks and allowing uv to install potentially malicious ZIP files. If uv rejects
363    /// a ZIP file due to failing validation, it is likely that the file is malformed; consider
364    /// filing an issue with the package maintainer.
365    #[attr_added_in("0.8.6")]
366    pub const UV_INSECURE_NO_ZIP_VALIDATION: &'static str = "UV_INSECURE_NO_ZIP_VALIDATION";
367
368    /// Sets the maximum number of in-flight concurrent downloads that uv will
369    /// perform at any given time.
370    #[attr_added_in("0.1.43")]
371    pub const UV_CONCURRENT_DOWNLOADS: &'static str = "UV_CONCURRENT_DOWNLOADS";
372
373    /// Sets the maximum number of source distributions that uv will build
374    /// concurrently at any given time.
375    #[attr_added_in("0.1.43")]
376    pub const UV_CONCURRENT_BUILDS: &'static str = "UV_CONCURRENT_BUILDS";
377
378    /// Controls the number of threads used when installing and unzipping
379    /// packages.
380    #[attr_added_in("0.1.45")]
381    pub const UV_CONCURRENT_INSTALLS: &'static str = "UV_CONCURRENT_INSTALLS";
382
383    /// Equivalent to the `--no-progress` command-line argument. Disables all progress output. For
384    /// example, spinners and progress bars.
385    #[attr_added_in("0.2.28")]
386    pub const UV_NO_PROGRESS: &'static str = "UV_NO_PROGRESS";
387
388    /// Specifies the directory where uv stores managed tools.
389    #[attr_added_in("0.2.16")]
390    pub const UV_TOOL_DIR: &'static str = "UV_TOOL_DIR";
391
392    /// Specifies the "bin" directory for installing tool executables.
393    #[attr_added_in("0.3.0")]
394    pub const UV_TOOL_BIN_DIR: &'static str = "UV_TOOL_BIN_DIR";
395
396    /// Equivalent to the `--bare` argument for `uv init`. If set, uv will only create a
397    /// `pyproject.toml`.
398    #[attr_added_in("0.10.7")]
399    pub const UV_INIT_BARE: &'static str = "UV_INIT_BARE";
400
401    /// Equivalent to the `--build-backend` argument for `uv init`. Determines the default backend
402    /// to use when creating a new project.
403    #[attr_added_in("0.8.2")]
404    pub const UV_INIT_BUILD_BACKEND: &'static str = "UV_INIT_BUILD_BACKEND";
405
406    /// Specifies the path to the directory to use for a project virtual environment.
407    ///
408    /// See the [project documentation](../concepts/projects/config.md#project-environment-path)
409    /// for more details.
410    #[attr_added_in("0.4.4")]
411    pub const UV_PROJECT_ENVIRONMENT: &'static str = "UV_PROJECT_ENVIRONMENT";
412
413    /// Specifies the directory to place links to installed, managed Python executables.
414    #[attr_added_in("0.4.29")]
415    pub const UV_PYTHON_BIN_DIR: &'static str = "UV_PYTHON_BIN_DIR";
416
417    /// Specifies the directory for storing managed Python installations.
418    #[attr_added_in("0.2.22")]
419    pub const UV_PYTHON_INSTALL_DIR: &'static str = "UV_PYTHON_INSTALL_DIR";
420
421    /// Whether to install the Python executable into the `UV_PYTHON_BIN_DIR` directory.
422    #[attr_added_in("0.8.0")]
423    pub const UV_PYTHON_INSTALL_BIN: &'static str = "UV_PYTHON_INSTALL_BIN";
424
425    /// Whether to install the Python executable into the Windows registry.
426    #[attr_added_in("0.8.0")]
427    pub const UV_PYTHON_INSTALL_REGISTRY: &'static str = "UV_PYTHON_INSTALL_REGISTRY";
428
429    /// Disable use of the Windows registry for Python discovery and registration.
430    ///
431    /// When set, uv will not discover Python interpreters from the Windows registry or Microsoft
432    /// Store locations, and managed Python installations will not be registered in the Windows
433    /// registry.
434    #[attr_added_in("0.11.8")]
435    pub const UV_PYTHON_NO_REGISTRY: &'static str = "UV_PYTHON_NO_REGISTRY";
436
437    /// Managed Python installations information is hardcoded in the `uv` binary.
438    ///
439    /// This variable can be set to a local path or URL pointing to
440    /// a JSON list of Python installations to override the hardcoded list.
441    ///
442    /// This allows customizing the URLs for downloads or using slightly older or newer versions
443    /// of Python than the ones hardcoded into this build of `uv`.
444    #[attr_added_in("0.6.13")]
445    pub const UV_PYTHON_DOWNLOADS_JSON_URL: &'static str = "UV_PYTHON_DOWNLOADS_JSON_URL";
446
447    /// Specifies the directory for caching the archives of managed Python installations before
448    /// installation.
449    #[attr_added_in("0.7.0")]
450    pub const UV_PYTHON_CACHE_DIR: &'static str = "UV_PYTHON_CACHE_DIR";
451
452    /// Managed Python installations are downloaded from the Astral
453    /// [`python-build-standalone`](https://github.com/astral-sh/python-build-standalone) project.
454    ///
455    /// This variable can be set to a mirror URL to use a different source for Python installations.
456    /// The provided URL will replace `https://github.com/astral-sh/python-build-standalone/releases/download` in, e.g.,
457    /// `https://github.com/astral-sh/python-build-standalone/releases/download/20240713/cpython-3.12.4%2B20240713-aarch64-apple-darwin-install_only.tar.gz`.
458    /// Distributions can be read from a local directory by using the `file://` URL scheme.
459    ///
460    /// This more-specific mirror takes precedence over
461    /// [`UV_ASTRAL_MIRROR_URL`](Self::UV_ASTRAL_MIRROR_URL) for CPython downloads.
462    #[attr_added_in("0.2.35")]
463    pub const UV_PYTHON_INSTALL_MIRROR: &'static str = "UV_PYTHON_INSTALL_MIRROR";
464
465    /// Managed PyPy installations are downloaded from [python.org](https://downloads.python.org/).
466    ///
467    /// This variable can be set to a mirror URL to use a
468    /// different source for PyPy installations. The provided URL will replace
469    /// `https://downloads.python.org/pypy` in, e.g.,
470    /// `https://downloads.python.org/pypy/pypy3.8-v7.3.7-osx64.tar.bz2`.
471    /// Distributions can be read from a local directory by using the `file://` URL scheme.
472    #[attr_added_in("0.2.35")]
473    pub const UV_PYPY_INSTALL_MIRROR: &'static str = "UV_PYPY_INSTALL_MIRROR";
474
475    /// Replaces the `https://releases.astral.sh` base URL for all Astral-mirrored
476    /// metadata and artifact downloads.
477    ///
478    /// When set, uv uses only the configured mirror URL and does not fall back to
479    /// GitHub or raw GitHub. Path components in the URL are preserved: only
480    /// trailing slashes are trimmed before appending the normal path suffix
481    /// (e.g., `/github/versions/main/v1/uv.ndjson`).
482    ///
483    /// This is useful for proxy repositories (e.g., Artifactory, Nexus) that
484    /// mirror `releases.astral.sh`.
485    ///
486    /// More-specific sources take precedence:
487    /// [`UV_PYTHON_INSTALL_MIRROR`](Self::UV_PYTHON_INSTALL_MIRROR) and
488    /// `python-install-mirror` override this variable for CPython downloads, while
489    /// [`UV_INSTALLER_GITHUB_BASE_URL`](Self::UV_INSTALLER_GITHUB_BASE_URL) and
490    /// [`UV_INSTALLER_GHE_BASE_URL`](Self::UV_INSTALLER_GHE_BASE_URL) override this
491    /// variable for `uv self update`.
492    #[attr_added_in("0.11.14")]
493    pub const UV_ASTRAL_MIRROR_URL: &'static str = "UV_ASTRAL_MIRROR_URL";
494
495    /// Pin managed CPython versions to a specific build version.
496    ///
497    /// For CPython, this should be the build date (e.g., "20250814").
498    #[attr_added_in("0.8.14")]
499    pub const UV_PYTHON_CPYTHON_BUILD: &'static str = "UV_PYTHON_CPYTHON_BUILD";
500
501    /// Pin managed PyPy versions to a specific build version.
502    ///
503    /// For PyPy, this should be the PyPy version (e.g., "7.3.20").
504    #[attr_added_in("0.8.14")]
505    pub const UV_PYTHON_PYPY_BUILD: &'static str = "UV_PYTHON_PYPY_BUILD";
506
507    /// Pin managed GraalPy versions to a specific build version.
508    ///
509    /// For GraalPy, this should be the GraalPy version (e.g., "24.2.2").
510    #[attr_added_in("0.8.14")]
511    pub const UV_PYTHON_GRAALPY_BUILD: &'static str = "UV_PYTHON_GRAALPY_BUILD";
512
513    /// Pin managed Pyodide versions to a specific build version.
514    ///
515    /// For Pyodide, this should be the Pyodide version (e.g., "0.28.1").
516    #[attr_added_in("0.8.14")]
517    pub const UV_PYTHON_PYODIDE_BUILD: &'static str = "UV_PYTHON_PYODIDE_BUILD";
518
519    /// Equivalent to the `--clear` command-line argument. If set, uv will remove any
520    /// existing files or directories at the target path.
521    #[attr_added_in("0.8.0")]
522    pub const UV_VENV_CLEAR: &'static str = "UV_VENV_CLEAR";
523
524    /// Equivalent to the `--relocatable` command-line argument. If set, the virtual
525    /// environment will be relocatable.
526    #[attr_added_in("0.10.8")]
527    pub const UV_VENV_RELOCATABLE: &'static str = "UV_VENV_RELOCATABLE";
528
529    /// Install seed packages (one or more of: `pip`, `setuptools`, and `wheel`) into the virtual environment
530    /// created by `uv venv`.
531    ///
532    /// Note that `setuptools` and `wheel` are not included in Python 3.12+ environments.
533    #[attr_added_in("0.5.21")]
534    pub const UV_VENV_SEED: &'static str = "UV_VENV_SEED";
535
536    /// Used to override `PATH` for Python executable discovery.
537    ///
538    /// When set, uv will search for Python interpreters in the directories specified by this
539    /// variable instead of `PATH`.
540    #[attr_added_in("0.11.8")]
541    pub const UV_PYTHON_SEARCH_PATH: &'static str = "UV_PYTHON_SEARCH_PATH";
542
543    /// Include resolver and installer output related to environment modifications.
544    #[attr_hidden]
545    #[attr_added_in("0.2.32")]
546    pub const UV_SHOW_RESOLUTION: &'static str = "UV_SHOW_RESOLUTION";
547
548    /// Use to update the json schema files.
549    #[attr_hidden]
550    #[attr_added_in("0.1.34")]
551    pub const UV_UPDATE_SCHEMA: &'static str = "UV_UPDATE_SCHEMA";
552
553    /// Use to disable line wrapping for diagnostics.
554    #[attr_added_in("0.0.5")]
555    pub const UV_NO_WRAP: &'static str = "UV_NO_WRAP";
556
557    /// Set to `1` to enable the automatic malware check that runs after `uv sync`.
558    ///
559    /// When enabled, uv performs a lightweight check against the OSV database for known
560    /// malware advisories after every lockfile sync. Set this variable to `0` to opt out.
561    #[attr_added_in("0.11.16")]
562    pub const UV_MALWARE_CHECK: &'static str = "UV_MALWARE_CHECK";
563
564    /// Override the vulnerability service URL for the automatic malware check.
565    ///
566    /// Defaults to the OSV API endpoint (`https://api.osv.dev/`).
567    #[attr_added_in("0.11.16")]
568    pub const UV_MALWARE_CHECK_URL: &'static str = "UV_MALWARE_CHECK_URL";
569
570    /// Provides the HTTP Basic authentication username for a named index.
571    ///
572    /// The `name` parameter is the name of the index. For example, given an index named `foo`,
573    /// the environment variable key would be `UV_INDEX_FOO_USERNAME`.
574    #[attr_added_in("0.4.23")]
575    #[attr_env_var_pattern("UV_INDEX_{name}_USERNAME")]
576    pub fn index_username(name: &str) -> String {
577        format!("UV_INDEX_{name}_USERNAME")
578    }
579
580    /// Provides the HTTP Basic authentication password for a named index.
581    ///
582    /// The `name` parameter is the name of the index. For example, given an index named `foo`,
583    /// the environment variable key would be `UV_INDEX_FOO_PASSWORD`.
584    #[attr_added_in("0.4.23")]
585    #[attr_env_var_pattern("UV_INDEX_{name}_PASSWORD")]
586    pub fn index_password(name: &str) -> String {
587        format!("UV_INDEX_{name}_PASSWORD")
588    }
589
590    /// Used to set the uv commit hash at build time via `build.rs`.
591    #[attr_hidden]
592    #[attr_added_in("0.1.11")]
593    pub const UV_COMMIT_HASH: &'static str = "UV_COMMIT_HASH";
594
595    /// Used to set the uv commit short hash at build time via `build.rs`.
596    #[attr_hidden]
597    #[attr_added_in("0.1.11")]
598    pub const UV_COMMIT_SHORT_HASH: &'static str = "UV_COMMIT_SHORT_HASH";
599
600    /// Used to set the uv commit date at build time via `build.rs`.
601    #[attr_hidden]
602    #[attr_added_in("0.1.11")]
603    pub const UV_COMMIT_DATE: &'static str = "UV_COMMIT_DATE";
604
605    /// Used to set the uv tag at build time via `build.rs`.
606    #[attr_hidden]
607    #[attr_added_in("0.1.11")]
608    pub const UV_LAST_TAG: &'static str = "UV_LAST_TAG";
609
610    /// Used to set the uv tag distance from head at build time via `build.rs`.
611    #[attr_hidden]
612    #[attr_added_in("0.1.11")]
613    pub const UV_LAST_TAG_DISTANCE: &'static str = "UV_LAST_TAG_DISTANCE";
614
615    /// Used to set the spawning/parent interpreter when using --system in the test suite.
616    #[attr_hidden]
617    #[attr_added_in("0.2.0")]
618    pub const UV_INTERNAL__PARENT_INTERPRETER: &'static str = "UV_INTERNAL__PARENT_INTERPRETER";
619
620    /// Used to force showing the derivation tree during resolver error reporting.
621    #[attr_hidden]
622    #[attr_added_in("0.3.0")]
623    pub const UV_INTERNAL__SHOW_DERIVATION_TREE: &'static str = "UV_INTERNAL__SHOW_DERIVATION_TREE";
624
625    /// Used to set a temporary directory for some tests.
626    #[attr_hidden]
627    #[attr_added_in("0.3.4")]
628    pub const UV_INTERNAL__TEST_DIR: &'static str = "UV_INTERNAL__TEST_DIR";
629
630    /// Path to a directory on a filesystem that supports copy-on-write, e.g., btrfs or APFS.
631    ///
632    /// When populated, uv will run additional tests that require this functionality.
633    #[attr_hidden]
634    #[attr_added_in("0.10.5")]
635    pub const UV_INTERNAL__TEST_COW_FS: &'static str = "UV_INTERNAL__TEST_COW_FS";
636
637    /// Path to a directory on a filesystem that does **not** support copy-on-write.
638    ///
639    /// When populated, uv will run additional tests that verify fallback behavior
640    /// when copy-on-write is unavailable.
641    #[attr_hidden]
642    #[attr_added_in("0.10.5")]
643    pub const UV_INTERNAL__TEST_NOCOW_FS: &'static str = "UV_INTERNAL__TEST_NOCOW_FS";
644
645    /// Path to a directory on an alternative filesystem for testing.
646    ///
647    /// This filesystem must be a different device than the default for the test suite.
648    ///
649    /// When populated, uv will run additional tests that cover cross-filesystem linking.
650    #[attr_hidden]
651    #[attr_added_in("0.10.5")]
652    pub const UV_INTERNAL__TEST_ALT_FS: &'static str = "UV_INTERNAL__TEST_ALT_FS";
653
654    /// Network path to a directory on an SMB filesystem for testing.
655    ///
656    /// When populated, uv will run additional tests that cover SMB-specific filesystem behavior.
657    #[attr_hidden]
658    #[attr_added_in("0.11.16")]
659    pub const UV_INTERNAL__TEST_SMB_FS: &'static str = "UV_INTERNAL__TEST_SMB_FS";
660
661    /// Path to a directory on a filesystem with a low hardlink limit (e.g., minix with ~250).
662    ///
663    /// When populated, uv will run additional tests that exercise EMLINK recovery.
664    #[attr_hidden]
665    #[attr_added_in("0.10.9")]
666    pub const UV_INTERNAL__TEST_LOWLINKS_FS: &'static str = "UV_INTERNAL__TEST_LOWLINKS_FS";
667
668    /// Used to force treating an interpreter as "managed" during tests.
669    #[attr_hidden]
670    #[attr_added_in("0.8.0")]
671    pub const UV_INTERNAL__TEST_PYTHON_MANAGED: &'static str = "UV_INTERNAL__TEST_PYTHON_MANAGED";
672
673    /// Used to force ignoring Git LFS commands as `git-lfs` detection cannot be overridden via PATH.
674    #[attr_hidden]
675    #[attr_added_in("0.9.15")]
676    pub const UV_INTERNAL__TEST_LFS_DISABLED: &'static str = "UV_INTERNAL__TEST_LFS_DISABLED";
677
678    /// Path to system-level configuration directory on Unix systems.
679    #[attr_added_in("0.4.26")]
680    pub const XDG_CONFIG_DIRS: &'static str = "XDG_CONFIG_DIRS";
681
682    /// Path to system-level configuration directory on Windows systems.
683    #[attr_added_in("0.4.26")]
684    pub const SYSTEMDRIVE: &'static str = "SYSTEMDRIVE";
685
686    /// Path to user-level configuration directory on Windows systems.
687    #[attr_added_in("0.1.42")]
688    pub const APPDATA: &'static str = "APPDATA";
689
690    /// Path to root directory of user's profile on Windows systems.
691    #[attr_added_in("0.0.5")]
692    pub const USERPROFILE: &'static str = "USERPROFILE";
693
694    /// Path to user-level configuration directory on Unix systems.
695    #[attr_added_in("0.1.34")]
696    pub const XDG_CONFIG_HOME: &'static str = "XDG_CONFIG_HOME";
697
698    /// Path to cache directory on Unix systems.
699    #[attr_added_in("0.1.17")]
700    pub const XDG_CACHE_HOME: &'static str = "XDG_CACHE_HOME";
701
702    /// Path to directory for storing managed Python installations and tools.
703    #[attr_added_in("0.2.16")]
704    pub const XDG_DATA_HOME: &'static str = "XDG_DATA_HOME";
705
706    /// Path to directory where executables are installed.
707    #[attr_added_in("0.2.16")]
708    pub const XDG_BIN_HOME: &'static str = "XDG_BIN_HOME";
709
710    /// Path to a CA certificate bundle file for TLS connections.
711    ///
712    /// Requires a PEM-encoded certificate file (e.g., `certs.pem`, `ca-bundle.crt`). DER-encoded
713    /// files are not supported.
714    ///
715    /// When set, this overrides the default certificate source (bundled Mozilla roots or system
716    /// certificates). Only the certificates in this file will be trusted.
717    #[attr_added_in("0.1.14")]
718    pub const SSL_CERT_FILE: &'static str = "SSL_CERT_FILE";
719
720    /// Path to a directory containing PEM-encoded CA certificate files for TLS connections.
721    ///
722    /// Multiple entries are supported, separated using a platform-specific delimiter (`:` on Unix,
723    /// `;` on Windows).
724    ///
725    /// Certificates are usually stored with `.pem`, `.crt`, or `.cer` extensions, but uv will
726    /// attempt to read a certificate from any regular file in the provided `SSL_CERT_DIR`.
727    ///
728    /// Files that cannot be parsed as PEM certificates are ignored. uv resolves symlinks and
729    /// ignores dangling symlinks.
730    ///
731    /// Only PEM-encoded files are supported, i.e., DER-encoded files are not supported.
732    ///
733    /// When set, this overrides the default certificate source (bundled Mozilla roots or system
734    /// certificates). Only the certificates in this directory will be trusted.
735    #[attr_added_in("0.9.10")]
736    pub const SSL_CERT_DIR: &'static str = "SSL_CERT_DIR";
737
738    /// If set, uv will use this file for mTLS authentication.
739    /// This should be a single file containing both the certificate and the private key in PEM format.
740    #[attr_added_in("0.2.11")]
741    pub const SSL_CLIENT_CERT: &'static str = "SSL_CLIENT_CERT";
742
743    /// Proxy for HTTP requests.
744    #[attr_added_in("0.1.38")]
745    pub const HTTP_PROXY: &'static str = "HTTP_PROXY";
746
747    /// Proxy for HTTPS requests.
748    #[attr_added_in("0.1.38")]
749    pub const HTTPS_PROXY: &'static str = "HTTPS_PROXY";
750
751    /// General proxy for all network requests.
752    #[attr_added_in("0.1.38")]
753    pub const ALL_PROXY: &'static str = "ALL_PROXY";
754
755    /// Comma-separated list of hostnames (e.g., `example.com`) and/or patterns (e.g., `192.168.1.0/24`) that should bypass the proxy.
756    #[attr_added_in("0.1.38")]
757    pub const NO_PROXY: &'static str = "NO_PROXY";
758
759    /// Timeout (in seconds) for only upload HTTP requests. (default: 900 s)
760    #[attr_added_in("0.9.1")]
761    pub const UV_UPLOAD_HTTP_TIMEOUT: &'static str = "UV_UPLOAD_HTTP_TIMEOUT";
762
763    /// Timeout (in seconds) for HTTP reads. (default: 30 s)
764    #[attr_added_in("0.1.7")]
765    pub const UV_HTTP_TIMEOUT: &'static str = "UV_HTTP_TIMEOUT";
766
767    /// Timeout (in seconds) to connect to a server. (default: 10 s)
768    ///
769    /// If `UV_HTTP_TIMEOUT` is lower than this value, `UV_HTTP_TIMEOUT` will be used instead.
770    #[attr_added_in("0.10.0")]
771    pub const UV_HTTP_CONNECT_TIMEOUT: &'static str = "UV_HTTP_CONNECT_TIMEOUT";
772
773    /// The number of retries for HTTP requests. (default: 3)
774    #[attr_added_in("0.7.21")]
775    pub const UV_HTTP_RETRIES: &'static str = "UV_HTTP_RETRIES";
776
777    /// Timeout (in seconds) for HTTP requests. Equivalent to `UV_HTTP_TIMEOUT`.
778    #[attr_added_in("0.1.6")]
779    pub const UV_REQUEST_TIMEOUT: &'static str = "UV_REQUEST_TIMEOUT";
780
781    /// Timeout (in seconds) for HTTP requests. Equivalent to `UV_HTTP_TIMEOUT`.
782    #[attr_added_in("0.1.7")]
783    pub const HTTP_TIMEOUT: &'static str = "HTTP_TIMEOUT";
784
785    /// The validation modes to use when run with `--compile`.
786    ///
787    /// See [`PycInvalidationMode`](https://docs.python.org/3/library/py_compile.html#py_compile.PycInvalidationMode).
788    #[attr_added_in("0.1.7")]
789    pub const PYC_INVALIDATION_MODE: &'static str = "PYC_INVALIDATION_MODE";
790
791    /// Used to detect an activated virtual environment.
792    #[attr_added_in("0.0.5")]
793    pub const VIRTUAL_ENV: &'static str = "VIRTUAL_ENV";
794
795    /// Used to detect the path of an active Conda environment.
796    #[attr_added_in("0.0.5")]
797    pub const CONDA_PREFIX: &'static str = "CONDA_PREFIX";
798
799    /// Used to determine the name of the active Conda environment.
800    #[attr_added_in("0.5.0")]
801    pub const CONDA_DEFAULT_ENV: &'static str = "CONDA_DEFAULT_ENV";
802
803    /// Used to determine the root install path of Conda.
804    #[attr_added_in("0.8.18")]
805    pub const CONDA_ROOT: &'static str = "_CONDA_ROOT";
806
807    /// Used to determine if we're running in Dependabot.
808    #[attr_added_in("0.9.11")]
809    pub const DEPENDABOT: &'static str = "DEPENDABOT";
810
811    /// If set to `1` before a virtual environment is activated, then the
812    /// virtual environment name will not be prepended to the terminal prompt.
813    #[attr_added_in("0.0.5")]
814    pub const VIRTUAL_ENV_DISABLE_PROMPT: &'static str = "VIRTUAL_ENV_DISABLE_PROMPT";
815
816    /// Used to detect the use of the Windows Command Prompt (as opposed to PowerShell).
817    #[attr_added_in("0.1.16")]
818    pub const PROMPT: &'static str = "PROMPT";
819
820    /// Used to detect `NuShell` usage.
821    #[attr_added_in("0.1.16")]
822    pub const NU_VERSION: &'static str = "NU_VERSION";
823
824    /// Used to detect Fish shell usage.
825    #[attr_added_in("0.1.28")]
826    pub const FISH_VERSION: &'static str = "FISH_VERSION";
827
828    /// Used to detect Bash shell usage.
829    #[attr_added_in("0.1.28")]
830    pub const BASH_VERSION: &'static str = "BASH_VERSION";
831
832    /// Used to detect Zsh shell usage.
833    #[attr_added_in("0.1.28")]
834    pub const ZSH_VERSION: &'static str = "ZSH_VERSION";
835
836    /// Used to determine which `.zshenv` to use when Zsh is being used.
837    #[attr_added_in("0.2.25")]
838    pub const ZDOTDIR: &'static str = "ZDOTDIR";
839
840    /// Used to detect Ksh shell usage.
841    #[attr_added_in("0.2.33")]
842    pub const KSH_VERSION: &'static str = "KSH_VERSION";
843
844    /// Used to detect PowerShell usage (set by PowerShell on all platforms).
845    #[attr_added_in("0.10.0")]
846    pub const PS_MODULE_PATH: &'static str = "PSModulePath";
847
848    /// Used with `--python-platform macos` and related variants to set the
849    /// deployment target (i.e., the minimum supported macOS version).
850    ///
851    /// Defaults to `13.0`, the least-recent non-EOL macOS version at time of writing.
852    #[attr_added_in("0.1.42")]
853    pub const MACOSX_DEPLOYMENT_TARGET: &'static str = "MACOSX_DEPLOYMENT_TARGET";
854
855    /// Used with `--python-platform arm64-apple-ios` and related variants to set the
856    /// deployment target (i.e., the minimum supported iOS version).
857    ///
858    /// Defaults to `13.0`.
859    #[attr_added_in("0.8.16")]
860    pub const IPHONEOS_DEPLOYMENT_TARGET: &'static str = "IPHONEOS_DEPLOYMENT_TARGET";
861
862    /// Used with `--python-platform aarch64-linux-android` and related variants to set the
863    /// Android API level. (i.e., the minimum supported Android API level).
864    ///
865    /// Defaults to `24`.
866    #[attr_added_in("0.8.16")]
867    pub const ANDROID_API_LEVEL: &'static str = "ANDROID_API_LEVEL";
868
869    /// Disables colored output (takes precedence over `FORCE_COLOR`).
870    ///
871    /// See [no-color.org](https://no-color.org).
872    #[attr_added_in("0.2.7")]
873    pub const NO_COLOR: &'static str = "NO_COLOR";
874
875    /// Forces colored output regardless of terminal support.
876    ///
877    /// See [force-color.org](https://force-color.org).
878    #[attr_added_in("0.2.7")]
879    pub const FORCE_COLOR: &'static str = "FORCE_COLOR";
880
881    /// Use to control color via `anstyle`.
882    #[attr_added_in("0.1.32")]
883    pub const CLICOLOR_FORCE: &'static str = "CLICOLOR_FORCE";
884
885    /// The standard `PATH` env var.
886    #[attr_added_in("0.0.5")]
887    pub const PATH: &'static str = "PATH";
888
889    /// The standard `HOME` env var.
890    #[attr_added_in("0.0.5")]
891    pub const HOME: &'static str = "HOME";
892
893    /// The standard `SHELL` posix env var.
894    #[attr_added_in("0.1.16")]
895    pub const SHELL: &'static str = "SHELL";
896
897    /// The standard `PWD` posix env var.
898    #[attr_added_in("0.0.5")]
899    pub const PWD: &'static str = "PWD";
900
901    /// Used to look for Microsoft Store Pythons installations.
902    #[attr_added_in("0.3.3")]
903    pub const LOCALAPPDATA: &'static str = "LOCALAPPDATA";
904
905    /// Path to the `.git` directory. Ignored by `uv` when performing fetch.
906    #[attr_hidden]
907    #[attr_added_in("0.0.5")]
908    pub const GIT_DIR: &'static str = "GIT_DIR";
909
910    /// Path to the git working tree. Ignored by `uv` when performing fetch.
911    #[attr_hidden]
912    #[attr_added_in("0.0.5")]
913    pub const GIT_WORK_TREE: &'static str = "GIT_WORK_TREE";
914
915    /// Path to the index file for staged changes. Ignored by `uv` when performing fetch.
916    #[attr_hidden]
917    #[attr_added_in("0.0.5")]
918    pub const GIT_INDEX_FILE: &'static str = "GIT_INDEX_FILE";
919
920    /// Path to where git object files are located. Ignored by `uv` when performing fetch.
921    #[attr_hidden]
922    #[attr_added_in("0.0.5")]
923    pub const GIT_OBJECT_DIRECTORY: &'static str = "GIT_OBJECT_DIRECTORY";
924
925    /// Alternate locations for git objects. Ignored by `uv` when performing fetch.
926    #[attr_hidden]
927    #[attr_added_in("0.0.5")]
928    pub const GIT_ALTERNATE_OBJECT_DIRECTORIES: &'static str = "GIT_ALTERNATE_OBJECT_DIRECTORIES";
929
930    /// Disables SSL verification for git operations.
931    #[attr_hidden]
932    #[attr_added_in("0.5.28")]
933    pub const GIT_SSL_NO_VERIFY: &'static str = "GIT_SSL_NO_VERIFY";
934
935    /// Sets allowed protocols for git operations.
936    ///
937    /// When uv is in "offline" mode, only the "file" protocol is allowed.
938    #[attr_hidden]
939    #[attr_added_in("0.6.13")]
940    pub const GIT_ALLOW_PROTOCOL: &'static str = "GIT_ALLOW_PROTOCOL";
941
942    /// Sets the SSH command used when Git tries to establish a connection using SSH.
943    #[attr_hidden]
944    #[attr_added_in("0.7.11")]
945    pub const GIT_SSH_COMMAND: &'static str = "GIT_SSH_COMMAND";
946
947    /// Disable interactive git prompts in terminals, e.g., for credentials. Does not disable
948    /// GUI prompts.
949    #[attr_hidden]
950    #[attr_added_in("0.6.4")]
951    pub const GIT_TERMINAL_PROMPT: &'static str = "GIT_TERMINAL_PROMPT";
952
953    /// Skip Smudge LFS Filter.
954    #[attr_hidden]
955    #[attr_added_in("0.9.15")]
956    pub const GIT_LFS_SKIP_SMUDGE: &'static str = "GIT_LFS_SKIP_SMUDGE";
957
958    /// Used in tests to set the user global git config location.
959    #[attr_hidden]
960    #[attr_added_in("0.9.15")]
961    pub const GIT_CONFIG_GLOBAL: &'static str = "GIT_CONFIG_GLOBAL";
962
963    /// Used in tests for better git isolation.
964    ///
965    /// For example, we run some tests in ~/.local/share/uv/tests.
966    /// And if the user's `$HOME` directory is a git repository,
967    /// this will change the behavior of some tests. Setting
968    /// `GIT_CEILING_DIRECTORIES=/home/andrew/.local/share/uv/tests` will
969    /// prevent git from crawling up the directory tree past that point to find
970    /// parent git repositories.
971    #[attr_hidden]
972    #[attr_added_in("0.4.29")]
973    pub const GIT_CEILING_DIRECTORIES: &'static str = "GIT_CEILING_DIRECTORIES";
974
975    /// Cleared for uv's git invocations to ensure git behaves correctly in
976    /// spite of an odd environment.
977    #[attr_hidden]
978    #[attr_added_in("0.11.8")]
979    pub const GIT_COMMON_DIR: &'static str = "GIT_COMMON_DIR";
980
981    /// Indicates that the current process is running in GitHub Actions.
982    ///
983    /// `uv publish` may attempt trusted publishing flows when set
984    /// to `true`.
985    #[attr_added_in("0.4.16")]
986    pub const GITHUB_ACTIONS: &'static str = "GITHUB_ACTIONS";
987
988    /// Indicates that the current process is running in GitLab CI.
989    ///
990    /// `uv publish` may attempt trusted publishing flows when set
991    /// to `true`.
992    #[attr_added_in("0.8.18")]
993    pub const GITLAB_CI: &'static str = "GITLAB_CI";
994
995    /// Used for testing GitLab CI trusted publishing.
996    #[attr_hidden]
997    #[attr_added_in("0.8.18")]
998    pub const PYPI_ID_TOKEN: &'static str = "PYPI_ID_TOKEN";
999
1000    /// Used for testing GitLab CI trusted publishing.
1001    #[attr_hidden]
1002    #[attr_added_in("0.8.18")]
1003    pub const TESTPYPI_ID_TOKEN: &'static str = "TESTPYPI_ID_TOKEN";
1004
1005    /// Sets the encoding for standard I/O streams (e.g., PYTHONIOENCODING=utf-8).
1006    #[attr_hidden]
1007    #[attr_added_in("0.4.18")]
1008    pub const PYTHONIOENCODING: &'static str = "PYTHONIOENCODING";
1009
1010    /// Forces unbuffered I/O streams, equivalent to `-u` in Python.
1011    #[attr_hidden]
1012    #[attr_added_in("0.1.15")]
1013    pub const PYTHONUNBUFFERED: &'static str = "PYTHONUNBUFFERED";
1014
1015    /// Enables UTF-8 mode for Python, equivalent to `-X utf8`.
1016    #[attr_hidden]
1017    #[attr_added_in("0.4.19")]
1018    pub const PYTHONUTF8: &'static str = "PYTHONUTF8";
1019
1020    /// Adds directories to Python module search path (e.g., `PYTHONPATH=/path/to/modules`).
1021    #[attr_added_in("0.1.22")]
1022    pub const PYTHONPATH: &'static str = "PYTHONPATH";
1023
1024    /// Used to set the location of Python stdlib when using trampolines.
1025    #[attr_hidden]
1026    #[attr_added_in("0.7.13")]
1027    pub const PYTHONHOME: &'static str = "PYTHONHOME";
1028
1029    /// Used to correctly detect virtual environments when using trampolines.
1030    #[attr_hidden]
1031    #[attr_added_in("0.7.13")]
1032    pub const PYVENV_LAUNCHER: &'static str = "__PYVENV_LAUNCHER__";
1033
1034    /// Used in tests to enforce a consistent locale setting.
1035    #[attr_hidden]
1036    #[attr_added_in("0.4.28")]
1037    pub const LC_ALL: &'static str = "LC_ALL";
1038
1039    /// Typically set by CI runners, used to detect a CI runner.
1040    #[attr_hidden]
1041    #[attr_added_in("0.0.5")]
1042    pub const CI: &'static str = "CI";
1043
1044    /// Azure DevOps build identifier, used to detect CI environments.
1045    #[attr_hidden]
1046    #[attr_added_in("0.1.22")]
1047    pub const BUILD_BUILDID: &'static str = "BUILD_BUILDID";
1048
1049    /// Generic build identifier, used to detect CI environments.
1050    #[attr_hidden]
1051    #[attr_added_in("0.1.22")]
1052    pub const BUILD_ID: &'static str = "BUILD_ID";
1053
1054    /// Pip environment variable to indicate CI environment.
1055    #[attr_hidden]
1056    #[attr_added_in("0.1.22")]
1057    pub const PIP_IS_CI: &'static str = "PIP_IS_CI";
1058
1059    /// Use to set the .netrc file location.
1060    #[attr_added_in("0.1.16")]
1061    pub const NETRC: &'static str = "NETRC";
1062
1063    /// The standard `PAGER` posix env var. Used by `uv` to configure the appropriate pager.
1064    #[attr_added_in("0.4.18")]
1065    pub const PAGER: &'static str = "PAGER";
1066
1067    /// Used to detect when running inside a Jupyter notebook.
1068    #[attr_added_in("0.2.6")]
1069    pub const JPY_SESSION_NAME: &'static str = "JPY_SESSION_NAME";
1070
1071    /// Use to create the tracing root directory via the `tracing-durations-export` feature.
1072    #[attr_hidden]
1073    #[attr_added_in("0.1.32")]
1074    pub const TRACING_DURATIONS_TEST_ROOT: &'static str = "TRACING_DURATIONS_TEST_ROOT";
1075
1076    /// Use to create the tracing durations file via the `tracing-durations-export` feature.
1077    #[attr_added_in("0.0.5")]
1078    pub const TRACING_DURATIONS_FILE: &'static str = "TRACING_DURATIONS_FILE";
1079
1080    /// Used to set `RUST_HOST_TARGET` at build time via `build.rs`.
1081    #[attr_hidden]
1082    #[attr_added_in("0.1.11")]
1083    pub const TARGET: &'static str = "TARGET";
1084
1085    /// If set, uv will use this value as the log level for its `--verbose` output. Accepts
1086    /// any filter compatible with the `tracing_subscriber` crate.
1087    ///
1088    /// For example:
1089    ///
1090    /// * `RUST_LOG=uv=debug` is the equivalent of adding `--verbose` to the command line
1091    /// * `RUST_LOG=trace` will enable trace-level logging.
1092    ///
1093    /// See the [tracing documentation](https://docs.rs/tracing-subscriber/latest/tracing_subscriber/filter/struct.EnvFilter.html#example-syntax)
1094    /// for more.
1095    #[attr_added_in("0.0.5")]
1096    pub const RUST_LOG: &'static str = "RUST_LOG";
1097
1098    /// If set, it can be used to display more stack trace details when a panic occurs.
1099    /// This is used by uv particularly on windows to show more details during a platform exception.
1100    ///
1101    /// For example:
1102    ///
1103    /// * `RUST_BACKTRACE=1` will print a short backtrace.
1104    /// * `RUST_BACKTRACE=full` will print a full backtrace.
1105    ///
1106    /// See the [Rust backtrace documentation](https://doc.rust-lang.org/std/backtrace/index.html)
1107    /// for more.
1108    #[attr_added_in("0.7.22")]
1109    pub const RUST_BACKTRACE: &'static str = "RUST_BACKTRACE";
1110
1111    /// Add additional context and structure to log messages.
1112    ///
1113    /// If logging is not enabled, e.g., with `RUST_LOG` or `-v`, this has no effect.
1114    #[attr_added_in("0.6.4")]
1115    pub const UV_LOG_CONTEXT: &'static str = "UV_LOG_CONTEXT";
1116
1117    /// Use to set the stack size used by uv.
1118    ///
1119    /// The value is in bytes, and if both `UV_STACK_SIZE` are `RUST_MIN_STACK` unset, uv uses a 4MB
1120    /// (4194304) stack. `UV_STACK_SIZE` takes precedence over `RUST_MIN_STACK`.
1121    ///
1122    /// Unlike the normal `RUST_MIN_STACK` semantics, this can affect main thread
1123    /// stack size, because we actually spawn our own main2 thread to work around
1124    /// the fact that Windows' real main thread is only 1MB. That thread has size
1125    /// `max(UV_STACK_SIZE, 1MB)`.
1126    #[attr_added_in("0.0.5")]
1127    pub const UV_STACK_SIZE: &'static str = "UV_STACK_SIZE";
1128
1129    /// Use to set the stack size used by uv.
1130    ///
1131    /// The value is in bytes, and if both `UV_STACK_SIZE` are `RUST_MIN_STACK` unset, uv uses a 4MB
1132    /// (4194304) stack. `UV_STACK_SIZE` takes precedence over `RUST_MIN_STACK`.
1133    ///
1134    /// Prefer setting `UV_STACK_SIZE`, since `RUST_MIN_STACK` also affects subprocesses, such as
1135    /// build backends that use Rust code.
1136    ///
1137    /// Unlike the normal `RUST_MIN_STACK` semantics, this can affect main thread
1138    /// stack size, because we actually spawn our own main2 thread to work around
1139    /// the fact that Windows' real main thread is only 1MB. That thread has size
1140    /// `max(RUST_MIN_STACK, 1MB)`.
1141    #[attr_added_in("0.5.19")]
1142    pub const RUST_MIN_STACK: &'static str = "RUST_MIN_STACK";
1143
1144    /// The directory containing the `Cargo.toml` manifest for a package.
1145    #[attr_hidden]
1146    #[attr_added_in("0.1.11")]
1147    pub const CARGO_MANIFEST_DIR: &'static str = "CARGO_MANIFEST_DIR";
1148
1149    /// Specifies the directory where Cargo stores build artifacts (target directory).
1150    #[attr_hidden]
1151    #[attr_added_in("0.0.5")]
1152    pub const CARGO_TARGET_DIR: &'static str = "CARGO_TARGET_DIR";
1153
1154    /// Set by cargo when compiling for Windows-like platforms.
1155    #[attr_hidden]
1156    #[attr_added_in("0.0.5")]
1157    pub const CARGO_CFG_WINDOWS: &'static str = "CARGO_CFG_WINDOWS";
1158
1159    /// Specifies the directory where Cargo stores intermediate build artifacts.
1160    #[attr_hidden]
1161    #[attr_added_in("0.8.25")]
1162    pub const OUT_DIR: &'static str = "OUT_DIR";
1163
1164    /// Used in tests for environment substitution testing in `requirements.in`.
1165    #[attr_hidden]
1166    #[attr_added_in("0.1.18")]
1167    pub const URL: &'static str = "URL";
1168
1169    /// Used in tests for environment substitution testing in `requirements.in`.
1170    #[attr_hidden]
1171    #[attr_added_in("0.1.18")]
1172    pub const FILE_PATH: &'static str = "FILE_PATH";
1173
1174    /// Used in tests for environment substitution testing in `requirements.in`.
1175    #[attr_hidden]
1176    #[attr_added_in("0.1.25")]
1177    pub const HATCH_PATH: &'static str = "HATCH_PATH";
1178
1179    /// Used in tests for environment substitution testing in `requirements.in`.
1180    #[attr_hidden]
1181    #[attr_added_in("0.1.25")]
1182    pub const BLACK_PATH: &'static str = "BLACK_PATH";
1183
1184    /// Used in testing Hatch's root.uri feature
1185    ///
1186    /// See: <https://hatch.pypa.io/dev/config/dependency/#local>.
1187    #[attr_hidden]
1188    #[attr_added_in("0.1.22")]
1189    pub const ROOT_PATH: &'static str = "ROOT_PATH";
1190
1191    /// Used in testing extra build dependencies.
1192    #[attr_hidden]
1193    #[attr_added_in("0.8.5")]
1194    pub const EXPECTED_ANYIO_VERSION: &'static str = "EXPECTED_ANYIO_VERSION";
1195
1196    /// Used to set test credentials for keyring tests.
1197    #[attr_hidden]
1198    #[attr_added_in("0.1.34")]
1199    pub const KEYRING_TEST_CREDENTIALS: &'static str = "KEYRING_TEST_CREDENTIALS";
1200
1201    /// Used to disable delay for HTTP retries in tests.
1202    #[attr_added_in("0.7.21")]
1203    pub const UV_TEST_NO_HTTP_RETRY_DELAY: &'static str = "UV_TEST_NO_HTTP_RETRY_DELAY";
1204
1205    /// Used to set a packse index url for tests.
1206    #[attr_hidden]
1207    #[attr_added_in("0.2.12")]
1208    pub const UV_TEST_PACKSE_INDEX: &'static str = "UV_TEST_PACKSE_INDEX";
1209
1210    /// Used for testing named indexes in tests.
1211    #[attr_hidden]
1212    #[attr_added_in("0.5.21")]
1213    pub const UV_INDEX_MY_INDEX_USERNAME: &'static str = "UV_INDEX_MY_INDEX_USERNAME";
1214
1215    /// Used for testing named indexes in tests.
1216    #[attr_hidden]
1217    #[attr_added_in("0.5.21")]
1218    pub const UV_INDEX_MY_INDEX_PASSWORD: &'static str = "UV_INDEX_MY_INDEX_PASSWORD";
1219
1220    /// Used to set the GitHub fast-path url for tests.
1221    #[attr_hidden]
1222    #[attr_added_in("0.7.15")]
1223    pub const UV_GITHUB_FAST_PATH_URL: &'static str = "UV_GITHUB_FAST_PATH_URL";
1224
1225    /// Hide progress messages with non-deterministic order in tests.
1226    #[attr_hidden]
1227    #[attr_added_in("0.5.29")]
1228    pub const UV_TEST_NO_CLI_PROGRESS: &'static str = "UV_TEST_NO_CLI_PROGRESS";
1229
1230    /// Used to mock the current timestamp for relative `--exclude-newer` times in tests.
1231    /// Should be set to an RFC 3339 timestamp (e.g., `2025-11-21T12:00:00Z`).
1232    #[attr_hidden]
1233    #[attr_added_in("0.9.8")]
1234    pub const UV_TEST_CURRENT_TIMESTAMP: &'static str = "UV_TEST_CURRENT_TIMESTAMP";
1235
1236    /// When set to a timestamp, applies an `exclude-newer` filter to the versions
1237    /// considered available from indexes.
1238    ///
1239    /// This is used for reproducible resolver error messages. When `exclude-newer`
1240    /// is used, we retain information about the available versions to improve error
1241    /// messages. In contrast, versions published after this cutoff are considered
1242    /// non-existent.
1243    ///
1244    /// Should be set to an RFC 3339 timestamp (e.g., `2024-03-25T00:00:00Z`).
1245    #[attr_hidden]
1246    #[attr_added_in("0.11.7")]
1247    pub const UV_TEST_AVAILABLE_VERSION_CUTOFF: &'static str = "UV_TEST_AVAILABLE_VERSION_CUTOFF";
1248
1249    /// `.env` files from which to load environment variables when executing `uv run` commands.
1250    #[attr_added_in("0.4.30")]
1251    pub const UV_ENV_FILE: &'static str = "UV_ENV_FILE";
1252
1253    /// Ignore `.env` files when executing `uv run` commands.
1254    #[attr_added_in("0.4.30")]
1255    pub const UV_NO_ENV_FILE: &'static str = "UV_NO_ENV_FILE";
1256
1257    /// The URL from which to download uv using the standalone installer and `self update` feature,
1258    /// in lieu of the default GitHub URL.
1259    ///
1260    /// This more-specific installer source takes precedence over
1261    /// [`UV_ASTRAL_MIRROR_URL`](Self::UV_ASTRAL_MIRROR_URL) for `uv self update`.
1262    #[attr_added_in("0.5.0")]
1263    pub const UV_INSTALLER_GITHUB_BASE_URL: &'static str = "UV_INSTALLER_GITHUB_BASE_URL";
1264
1265    /// The URL from which to download uv using the standalone installer and `self update` feature,
1266    /// in lieu of the default GitHub Enterprise URL.
1267    ///
1268    /// This more-specific installer source takes precedence over
1269    /// [`UV_ASTRAL_MIRROR_URL`](Self::UV_ASTRAL_MIRROR_URL) for `uv self update`.
1270    #[attr_added_in("0.5.0")]
1271    pub const UV_INSTALLER_GHE_BASE_URL: &'static str = "UV_INSTALLER_GHE_BASE_URL";
1272
1273    /// The directory in which to install uv using the standalone installer and `self update` feature.
1274    /// Defaults to `~/.local/bin`.
1275    #[attr_added_in("0.5.0")]
1276    pub const UV_INSTALL_DIR: &'static str = "UV_INSTALL_DIR";
1277
1278    /// Used ephemeral environments like CI to install uv to a specific path while preventing
1279    /// the installer from modifying shell profiles or environment variables.
1280    #[attr_added_in("0.5.0")]
1281    pub const UV_UNMANAGED_INSTALL: &'static str = "UV_UNMANAGED_INSTALL";
1282
1283    /// The URL from which to download uv using the standalone installer. By default, installs from
1284    /// uv's GitHub Releases. `INSTALLER_DOWNLOAD_URL` is also supported as an alias, for backwards
1285    /// compatibility.
1286    #[attr_added_in("0.8.4")]
1287    pub const UV_DOWNLOAD_URL: &'static str = "UV_DOWNLOAD_URL";
1288
1289    /// Avoid modifying the `PATH` environment variable when installing uv using the standalone
1290    /// installer and `self update` feature. `INSTALLER_NO_MODIFY_PATH` is also supported as an
1291    /// alias, for backwards compatibility.
1292    #[attr_added_in("0.8.4")]
1293    pub const UV_NO_MODIFY_PATH: &'static str = "UV_NO_MODIFY_PATH";
1294
1295    /// Skip writing `uv` installer metadata files (e.g., `INSTALLER`, `REQUESTED`, and `direct_url.json`) to site-packages `.dist-info` directories.
1296    #[attr_added_in("0.5.7")]
1297    pub const UV_NO_INSTALLER_METADATA: &'static str = "UV_NO_INSTALLER_METADATA";
1298
1299    /// Enables fetching files stored in Git LFS when installing a package from a Git repository.
1300    #[attr_added_in("0.5.19")]
1301    pub const UV_GIT_LFS: &'static str = "UV_GIT_LFS";
1302
1303    /// Number of times that `uv run` has been recursively invoked. Used to guard against infinite
1304    /// recursion, e.g., when `uv run`` is used in a script shebang.
1305    #[attr_hidden]
1306    #[attr_added_in("0.5.31")]
1307    pub const UV_RUN_RECURSION_DEPTH: &'static str = "UV_RUN_RECURSION_DEPTH";
1308
1309    /// Number of times that `uv run` will allow recursive invocations, before exiting with an
1310    /// error.
1311    #[attr_hidden]
1312    #[attr_added_in("0.5.31")]
1313    pub const UV_RUN_MAX_RECURSION_DEPTH: &'static str = "UV_RUN_MAX_RECURSION_DEPTH";
1314
1315    /// Overrides terminal width used for wrapping. This variable is not read by uv directly.
1316    ///
1317    /// This is a quasi-standard variable, described, e.g., in `ncurses(3x)`.
1318    #[attr_added_in("0.6.2")]
1319    pub const COLUMNS: &'static str = "COLUMNS";
1320
1321    /// The CUDA driver version to assume when inferring the PyTorch backend (e.g., `550.144.03`).
1322    #[attr_hidden]
1323    #[attr_added_in("0.6.9")]
1324    pub const UV_CUDA_DRIVER_VERSION: &'static str = "UV_CUDA_DRIVER_VERSION";
1325
1326    /// The AMD GPU architecture to assume when inferring the PyTorch backend (e.g., `gfx1100`).
1327    #[attr_hidden]
1328    #[attr_added_in("0.7.14")]
1329    pub const UV_AMD_GPU_ARCHITECTURE: &'static str = "UV_AMD_GPU_ARCHITECTURE";
1330
1331    /// Equivalent to the `--torch-backend` command-line argument (e.g., `cpu`, `cu126`, or `auto`).
1332    #[attr_added_in("0.6.9")]
1333    pub const UV_TORCH_BACKEND: &'static str = "UV_TORCH_BACKEND";
1334
1335    /// Equivalent to the `--project` command-line argument.
1336    #[attr_added_in("0.4.4")]
1337    pub const UV_PROJECT: &'static str = "UV_PROJECT";
1338
1339    /// Equivalent to the `--no-project` command-line argument.
1340    #[attr_added_in("0.11.8")]
1341    pub const UV_NO_PROJECT: &'static str = "UV_NO_PROJECT";
1342
1343    /// Equivalent to the `--directory` command-line argument. `UV_WORKING_DIRECTORY` (added in
1344    /// v0.9.1) is also supported for backwards compatibility.
1345    #[attr_added_in("0.9.14")]
1346    pub const UV_WORKING_DIR: &'static str = "UV_WORKING_DIR";
1347
1348    /// Equivalent to the `--directory` command-line argument.
1349    #[attr_hidden]
1350    #[attr_added_in("0.9.1")]
1351    pub const UV_WORKING_DIRECTORY: &'static str = "UV_WORKING_DIRECTORY";
1352
1353    /// Disable GitHub-specific requests that allow uv to skip `git fetch` in some circumstances.
1354    #[attr_added_in("0.7.13")]
1355    pub const UV_NO_GITHUB_FAST_PATH: &'static str = "UV_NO_GITHUB_FAST_PATH";
1356
1357    /// Authentication token for Hugging Face requests. When set, uv will use this token
1358    /// when making requests to `https://huggingface.co/` and any subdomains.
1359    #[attr_added_in("0.8.1")]
1360    pub const HF_TOKEN: &'static str = "HF_TOKEN";
1361
1362    /// Disable Hugging Face authentication, even if `HF_TOKEN` is set.
1363    #[attr_added_in("0.8.1")]
1364    pub const UV_NO_HF_TOKEN: &'static str = "UV_NO_HF_TOKEN";
1365
1366    /// The URL to treat as an S3-compatible storage endpoint. Requests to this endpoint
1367    /// will be signed using AWS Signature Version 4 based on the `AWS_ACCESS_KEY_ID`,
1368    /// `AWS_SECRET_ACCESS_KEY`, `AWS_PROFILE`, and `AWS_CONFIG_FILE` environment variables.
1369    #[attr_added_in("0.8.21")]
1370    pub const UV_S3_ENDPOINT_URL: &'static str = "UV_S3_ENDPOINT_URL";
1371
1372    /// The URL to treat as a GCS-compatible storage endpoint. Requests to this endpoint
1373    /// will be signed using Google Cloud authentication based on the `GOOGLE_APPLICATION_CREDENTIALS`
1374    /// environment variable or Application Default Credentials.
1375    #[attr_added_in("0.9.26")]
1376    pub const UV_GCS_ENDPOINT_URL: &'static str = "UV_GCS_ENDPOINT_URL";
1377
1378    /// The URL to treat as an Azure Blob Storage endpoint. Requests to this endpoint will be signed
1379    /// using Azure credentials from the default credential chain, including Azure CLI credentials
1380    /// and workload identity.
1381    #[attr_added_in("0.11.14")]
1382    pub const UV_AZURE_ENDPOINT_URL: &'static str = "UV_AZURE_ENDPOINT_URL";
1383
1384    /// The URL of the pyx Simple API server.
1385    #[attr_added_in("0.8.15")]
1386    pub const PYX_API_URL: &'static str = "PYX_API_URL";
1387
1388    /// The domain of the pyx CDN.
1389    #[attr_added_in("0.8.15")]
1390    pub const PYX_CDN_DOMAIN: &'static str = "PYX_CDN_DOMAIN";
1391
1392    /// The pyx API key (e.g., `sk-pyx-...`).
1393    #[attr_added_in("0.8.15")]
1394    pub const PYX_API_KEY: &'static str = "PYX_API_KEY";
1395
1396    /// The pyx API key, for backwards compatibility.
1397    #[attr_hidden]
1398    #[attr_added_in("0.8.15")]
1399    pub const UV_API_KEY: &'static str = "UV_API_KEY";
1400
1401    /// The pyx authentication token (e.g., `eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9...`), as output by `uv auth token`.
1402    #[attr_added_in("0.8.15")]
1403    pub const PYX_AUTH_TOKEN: &'static str = "PYX_AUTH_TOKEN";
1404
1405    /// The pyx authentication token, for backwards compatibility.
1406    #[attr_hidden]
1407    #[attr_added_in("0.8.15")]
1408    pub const UV_AUTH_TOKEN: &'static str = "UV_AUTH_TOKEN";
1409
1410    /// Specifies the directory where uv stores pyx credentials.
1411    #[attr_added_in("0.8.15")]
1412    pub const PYX_CREDENTIALS_DIR: &'static str = "PYX_CREDENTIALS_DIR";
1413
1414    /// The AWS region to use when signing S3 requests.
1415    #[attr_added_in("0.8.21")]
1416    pub const AWS_REGION: &'static str = "AWS_REGION";
1417
1418    /// The default AWS region to use when signing S3 requests, if `AWS_REGION` is not set.
1419    #[attr_added_in("0.8.21")]
1420    pub const AWS_DEFAULT_REGION: &'static str = "AWS_DEFAULT_REGION";
1421
1422    /// The AWS access key ID to use when signing S3 requests.
1423    #[attr_added_in("0.8.21")]
1424    pub const AWS_ACCESS_KEY_ID: &'static str = "AWS_ACCESS_KEY_ID";
1425
1426    /// The AWS secret access key to use when signing S3 requests.
1427    #[attr_added_in("0.8.21")]
1428    pub const AWS_SECRET_ACCESS_KEY: &'static str = "AWS_SECRET_ACCESS_KEY";
1429
1430    /// The AWS session token to use when signing S3 requests.
1431    #[attr_added_in("0.8.21")]
1432    pub const AWS_SESSION_TOKEN: &'static str = "AWS_SESSION_TOKEN";
1433
1434    /// The AWS profile to use when signing S3 requests.
1435    #[attr_added_in("0.8.21")]
1436    pub const AWS_PROFILE: &'static str = "AWS_PROFILE";
1437
1438    /// The AWS config file to use when signing S3 requests.
1439    #[attr_added_in("0.8.21")]
1440    pub const AWS_CONFIG_FILE: &'static str = "AWS_CONFIG_FILE";
1441
1442    /// The AWS shared credentials file to use when signing S3 requests.
1443    #[attr_added_in("0.8.21")]
1444    pub const AWS_SHARED_CREDENTIALS_FILE: &'static str = "AWS_SHARED_CREDENTIALS_FILE";
1445
1446    /// Avoid verifying that wheel filenames match their contents when installing wheels. This
1447    /// is not recommended, as wheels with inconsistent filenames should be considered invalid and
1448    /// corrected by the relevant package maintainers; however, this option can be used to work
1449    /// around invalid artifacts in rare cases.
1450    #[attr_added_in("0.8.23")]
1451    pub const UV_SKIP_WHEEL_FILENAME_CHECK: &'static str = "UV_SKIP_WHEEL_FILENAME_CHECK";
1452
1453    /// Suppress output from the build backend when building source distributions, even in the event
1454    /// of build failures.
1455    #[attr_added_in("0.9.15")]
1456    pub const UV_HIDE_BUILD_OUTPUT: &'static str = "UV_HIDE_BUILD_OUTPUT";
1457
1458    /// The time in seconds uv waits for a file lock to become available.
1459    ///
1460    /// Defaults to 300s (5 min).
1461    #[attr_added_in("0.9.4")]
1462    pub const UV_LOCK_TIMEOUT: &'static str = "UV_LOCK_TIMEOUT";
1463}