upgrade to Pants v2.23.0rc1 + other fixes (#139)

* upgrade to Pants v2.23.0rc1

* update get-pants.sh binary

* update commands in README.md to those that work

README.md

@@ -139,10 +139,14 @@ pants test helloworld/translator/translator_test.py -- -k test_unknown_phrase  #
 
 ## Create a PEX binary
 
+The `package` goal requires specifying a target which can be packaged. In this case, the there is a `pex_binary` target with the name `pex_binary` in the `helloworld/BUILD` file.
+
 ```
-pants package helloworld/main.py
+pants package helloworld:pex_binary
 ```
 
+The pex file is output to `dist/helloworld/pex_binary.pex` and can be executed directly.
+
 ## Run a binary directly
 
 ```

get-pants.sh

@@ -163,7 +163,7 @@ Once installed, if you want to update your "pants" launcher binary, use
 -h | --help: Print this help message.
 
 -d | --bin-dir:
-  The directory to install the scie-pants binary in, "~/bin" by default.
+  The directory to install the scie-pants binary in, "~/.local/bin" by default.
 
 -b | --base-name:
   The name to use for the scie-pants binary, "pants" by default.
@@ -176,7 +176,7 @@ Once installed, if you want to update your "pants" launcher binary, use
 EOF
 }
 
-bin_dir="${HOME}/bin"
+bin_dir="${HOME}/.local/bin"
 base_name="pants"
 version="latest/download"
 while (($# > 0)); do

pants.toml

@@ -2,7 +2,7 @@
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
 [GLOBAL]
-pants_version = "2.21.0"
+pants_version = "2.23.0rc1"
 backend_packages.add = [
   "pants.backend.build_files.fmt.black",  
   "pants.backend.python",
@@ -25,7 +25,7 @@ root_patterns = ["/"]
 # The default interpreter constraints for code in this repo. Individual targets can override
 #  this with the `interpreter_constraints` field. See
 #  https://www.pantsbuild.org/docs/python-interpreter-compatibility.
-
+#
 # Modify this if you don't have Python 3.9 on your machine.
 # This can be a range, such as [">=3.8,<3.11"], but it's usually recommended to restrict
 # to a single minor version.
@@ -44,7 +44,3 @@ resolves = { python-default = "python-default.lock"}
 #  problematic system Pythons. See
 #  https://www.pantsbuild.org/docs/python-interpreter-compatibility#changing-the-interpreter-search-path.
 search_path = ["<PATH>", "<PYENV>"]
-
-[python-infer]
-# 2.17 is transitioning to a new, faster parser for dependency inference:
-use_rust_parser = true