diff options
Diffstat (limited to 'cargo_vendor.prov')
| -rw-r--r-- | cargo_vendor.prov | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/cargo_vendor.prov b/cargo_vendor.prov deleted file mode 100644 index 6efca18..0000000 --- a/cargo_vendor.prov +++ /dev/null @@ -1,127 +0,0 @@ -#! /usr/bin/python3 -s -# Stripped down replacement for cargo2rpm parse-vendor-manifest - -import re -import subprocess -import sys -from typing import Optional - - -VERSION_REGEX = re.compile( - r""" - ^ - (?P<major>0|[1-9]\d*) - \.(?P<minor>0|[1-9]\d*) - \.(?P<patch>0|[1-9]\d*) - (?:-(?P<pre>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))? - (?:\+(?P<build>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$ - """, - re.VERBOSE, -) - - -class Version: - """ - Version that adheres to the "semantic versioning" format. - """ - - def __init__(self, major: int, minor: int, patch: int, pre: Optional[str] = None, build: Optional[str] = None): - self.major: int = major - self.minor: int = minor - self.patch: int = patch - self.pre: Optional[str] = pre - self.build: Optional[str] = build - - @staticmethod - def parse(version: str) -> "Version": - """ - Parses a version string and return a `Version` object. - Raises a `ValueError` if the string does not match the expected format. - """ - - match = VERSION_REGEX.match(version) - if not match: - raise ValueError(f"Invalid version: {version!r}") - - matches = match.groupdict() - - major_str = matches["major"] - minor_str = matches["minor"] - patch_str = matches["patch"] - pre = matches["pre"] - build = matches["build"] - - major = int(major_str) - minor = int(minor_str) - patch = int(patch_str) - - return Version(major, minor, patch, pre, build) - - def to_rpm(self) -> str: - """ - Formats the `Version` object as an equivalent RPM version string. - Characters that are invalid in RPM versions are replaced ("-" -> "_") - - Build metadata (the optional `Version.build` attribute) is dropped, so - the conversion is not lossless for versions where this attribute is not - `None`. However, build metadata is not intended to be part of the - version (and is not even considered when doing version comparison), so - dropping it when converting to the RPM version format is correct. - """ - - s = f"{self.major}.{self.minor}.{self.patch}" - if self.pre: - s += f"~{self.pre.replace('-', '_')}" - return s - - -def break_the_build(error: str): - """ - This function writes a string that is an invalid RPM dependency specifier, - which causes dependency generators to fail and break the build. The - additional error message is printed to stderr. - """ - - print("*** FATAL ERROR ***") - print(error, file=sys.stderr) - - -def get_cargo_vendor_txt_paths_from_stdin() -> set[str]: # pragma nocover - """ - Read lines from standard input and filter out lines that look like paths - to `cargo-vendor.txt` files. This is how RPM generators pass lists of files. - """ - - lines = {line.rstrip("\n") for line in sys.stdin.readlines()} - return {line for line in lines if line.endswith("/cargo-vendor.txt")} - - -def action_parse_vendor_manifest(): - paths = get_cargo_vendor_txt_paths_from_stdin() - - for path in paths: - with open(path) as file: - manifest = file.read() - - for line in manifest.strip().splitlines(): - crate, version = line.split(" v") - print(f"bundled(crate({crate})) = {Version.parse(version).to_rpm()}") - - -def main(): - try: - action_parse_vendor_manifest() - exit(0) - - # print an error message that is not a valid RPM dependency - # to cause the generator to break the build - except (IOError, ValueError) as exc: - break_the_build(str(exc)) - exit(1) - - break_the_build("Uncaught exception: This should not happen, please report a bug.") - exit(1) - - -if __name__ == "__main__": - main() |