Document PYO3_PACK_PASSWORD

Readme.md

@@ -41,7 +41,7 @@ Pip allows adding so called console scripts, which are shell commands that execu
 get_42 = "get_fourtytwo:DummyClass.get_42"
 ```
 
-For pyo3 and rust-cpython, pyo3-pack can only build packages for installed python versions, so you might want to use pyenv, deadsnakes or docker for building. If you don't set your own interpreters with `-i`, a heuristic is used to search for python installations. You can get a list of those with the `list-python` subcommand. cffi wheels are compatible with all python versions, but they need to have `cffi` installed to build (`pip install cffi`).
+For pyo3 and rust-cpython, pyo3-pack can only build packages for installed python versions, so you might want to use pyenv, deadsnakes or docker for building. If you don't set your own interpreters with `-i`, a heuristic is used to search for python installations. You can get a list all found versions with the `list-python` subcommand.
 
 ### Build
 
@@ -99,7 +99,9 @@ OPTIONS:
     -o, --out <out>
             The directory to store the built wheels in. Defaults to a new "wheels" directory in the project's target
             directory
-    -p, --password <password>                       Password for pypi or your custom registry
+    -p, --password <password>
+            Password for pypi or your custom registry. Note that you can also pass the password through
+            PYO3_PACK_PASSWORD
     -r, --repository-url <registry>
             The url of registry where the wheels are uploaded to [default: https://upload.pypi.org/legacy/]
 
@@ -135,7 +137,7 @@ OPTIONS:
 
 ## Cffi
 
-For crates with cffi you need to use a build script that writes c headers to a file called `target/header.h` until [eqrion/cbdingen#203](https://github.com/eqrion/cbindgen/issues/203) is resolved:
+ Cffi wheels are compatible with all python versions, but they need to have `cffi` installed to build (`pip install cffi`). Until [eqrion/cbdingen#203](https://github.com/eqrion/cbindgen/issues/203) is resolved, you also need to use a build script that writes c headers to a file called `target/header.h`
 
 ```rust
 extern crate cbindgen;
@@ -160,7 +162,7 @@ For portability reasons, native python modules on linux must only dynamically li
 
 To ship a completely static binary with musl, you can use `pyo3-pack build -b bin --cargo-extra-args="--target=x86_64-unknown-linux-musl"`.
 
-Note that the pyo3-pack pip package is not manylinux compliant (A compliant package could neither upload not use the keyring)
+Note that the pyo3-pack pip package is not manylinux compliant (A compliant package, which you get with `--no-default-features --features auditwheel`, can neither upload nor use the keyring)
 
 ## Code
 

src/main.rs

@@ -92,7 +92,8 @@ struct PublishOpt {
     /// Username for pypi or your custom registry
     username: Option<String>,
     #[structopt(short = "p", long = "password")]
-    /// Password for pypi or your custom registry
+    /// Password for pypi or your custom registry. Note that you can also pass the password
+    /// through PYO3_PACK_PASSWORD
     password: Option<String>,
 }