Cargo, the Rust package manager, is not installed or is not on PATH.

[mchandrakandh]

Getting this error during pip install -r requirements.txt

Collecting deepfilterlib==0.5.6 (from deepfilternet>=0.5.6->-r requirements.txt (line 10))
Downloading DeepFilterLib-0.5.6.tar.gz (112 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... error
error: subprocess-exited-with-error

× Preparing metadata (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [6 lines of output]

  Cargo, the Rust package manager, is not installed or is not on PATH.
  This package requires Rust and Cargo to compile extensions. Install it through
  the system's package manager or via https://rustup.rs/

  Checking for Rust toolchain....
  [end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

[mchandrakandh]

Followed the instruction to install rust from https://rustup.rs/ and it worked.