build(pyproject): add *2py short commands

README.md

@@ -4,7 +4,7 @@ Convert between CBOR, JSON, MessagePack, TOML, and YAML.
 When installed,
 Remarshal provides the command-line command `remarshal`
 as well as the short commands
-<code>{cbor,json,msgpack,toml,yaml}2<wbr>{cbor,json,msgpack,toml,yaml}</code>.
+<code>{cbor,json,msgpack,toml,yaml}2<wbr>{cbor,json,msgpack,py,toml,yaml}</code>.
 You can use these commands
 to convert between formats,
 reformat,
@@ -182,7 +182,7 @@ options:
 
 Instead of `remarshal` with format arguments,
 you can use a short command
-<code>{cbor,json,msgpack,toml,yaml}2<wbr>{cbor,json,msgpack,toml,yaml}</code>.
+<code>{cbor,json,msgpack,toml,yaml}2<wbr>{cbor,json,msgpack,py,toml,yaml}</code>.
 The `remarshal` command and the short commands
 exit with status 0 on success,
 1 on operational failure,

pyproject.toml

@@ -62,26 +62,31 @@ remarshal        = 'remarshal.main:main'
 cbor2cbor        = 'remarshal.main:main'
 cbor2json        = 'remarshal.main:main'
 cbor2msgpack     = 'remarshal.main:main'
+cbor2py          = 'remarshal.main:main'
 cbor2toml        = 'remarshal.main:main'
 cbor2yaml        = 'remarshal.main:main'
 json2cbor        = 'remarshal.main:main'
 json2json        = 'remarshal.main:main'
 json2msgpack     = 'remarshal.main:main'
+json2py          = 'remarshal.main:main'
 json2toml        = 'remarshal.main:main'
 json2yaml        = 'remarshal.main:main'
 msgpack2cbor     = 'remarshal.main:main'
 msgpack2json     = 'remarshal.main:main'
 msgpack2msgpack  = 'remarshal.main:main'
+msgpack2py       = 'remarshal.main:main'
 msgpack2toml     = 'remarshal.main:main'
 msgpack2yaml     = 'remarshal.main:main'
 toml2cbor        = 'remarshal.main:main'
 toml2json        = 'remarshal.main:main'
 toml2msgpack     = 'remarshal.main:main'
+toml2py          = 'remarshal.main:main'
 toml2toml        = 'remarshal.main:main'
 toml2yaml        = 'remarshal.main:main'
 yaml2cbor        = 'remarshal.main:main'
 yaml2json        = 'remarshal.main:main'
 yaml2msgpack     = 'remarshal.main:main'
+yaml2py          = 'remarshal.main:main'
 yaml2toml        = 'remarshal.main:main'
 yaml2yaml        = 'remarshal.main:main'
 

src/remarshal/main.py

@@ -138,6 +138,7 @@ class YAMLOptions(FormatOptions):
 
 INPUT_FORMATS = ["cbor", "json", "msgpack", "toml", "yaml"]
 OUTPUT_FORMATS = ["cbor", "json", "msgpack", "python", "toml", "yaml"]
+OUTPUT_FORMATS_ARGV0 = ["cbor", "json", "msgpack", "py", "toml", "yaml"]
 OPTIONS_CLASSES = {
     "cbor": CBOROptions,
     "json": JSONOptions,
@@ -165,9 +166,14 @@ class YAMLOptions(FormatOptions):
 
 def _argv0_to_format(argv0: str) -> tuple[str, str]:
     possible_input_format = "(" + "|".join(INPUT_FORMATS) + ")"
-    possible_output_format = "(" + "|".join(OUTPUT_FORMATS) + ")"
+    possible_output_format = "(" + "|".join(OUTPUT_FORMATS_ARGV0) + ")"
+
     match = re.search("^" + possible_input_format + "2" + possible_output_format, argv0)
     from_, to = match.groups() if match else ("", "")
+
+    if to == "py":
+        to = "python"
+
     return from_, to