Add pyment for Python (sbdchd#170)

README.md

@@ -323,6 +323,7 @@ that caused Neoformat to be invoked.
     [`black`](https://github.com/ambv/black)
   - [`isort`](https://github.com/timothycrosley/isort)
   - [`docformatter`](https://github.com/myint/docformatter)
+  - [`pyment`](https://github.com/dadadel/pyment)
 - Reason
   - [`refmt`](https://github.com/facebook/reason)
 - Ruby

autoload/neoformat/formatters/python.vim

@@ -1,5 +1,5 @@
 function! neoformat#formatters#python#enabled() abort
-    return ['yapf', 'autopep8', 'black', 'isort', 'docformatter']
+    return ['yapf', 'autopep8', 'black', 'isort', 'docformatter', 'pyment']
 endfunction
 
 function! neoformat#formatters#python#yapf() abort
@@ -42,3 +42,12 @@ function! neoformat#formatters#python#black() abort
                 \ 'args': ['-', '2>/dev/null'],
                 \ }
 endfunction
+
+
+function! neoformat#formatters#python#pyment() abort
+    return {
+                \ 'exe': 'pyment',
+                \ 'stdin': 1,
+                \ 'args': ['-w', '-'],
+                \ }
+endfunction

doc/neoformat.txt

@@ -313,12 +313,13 @@ SUPPORTED FILETYPES				*neoformat-supported-filetypes*
   - [`yapf`](https://github.com/google/yapf),
     [`autopep8`](https://github.com/hhatto/autopep8),
     [`black`](https://github.com/ambv/black)
-    [isort](https://github.com/timothycrosley/isort)
-    [docformatter](https://github.com/myint/docformatter)
+    [`isort`](https://github.com/timothycrosley/isort)
+    [`docformatter`](https://github.com/myint/docformatter)
+    [`pyment`](https://github.com/dadadel/pyment)
 - Reason
   - [`refmt`](https://github.com/facebook/reason)
 - Ruby
-  - [rufo](https://github.com/asterite/rufo)
+  - [`rufo`](https://github.com/asterite/rufo)
   - [`ruby-beautify`](https://github.com/erniebrodeur/ruby-beautify)
   - [`rubocop`](https://github.com/bbatsov/rubocop)
 - Rust
@@ -337,8 +338,8 @@ SUPPORTED FILETYPES				*neoformat-supported-filetypes*
 - Shell
   - [`shfmt`](https://github.com/mvdan/sh)
 - SQL
-  - `sqlformat` (ships with [sqlparse](https://github.com/andialbrecht/sqlparse))
-  - `pg_format` (ships with [pgFormatter](https://github.com/darold/pgFormatter))
+  - `sqlformat` (ships with [`sqlparse`](https://github.com/andialbrecht/sqlparse))
+  - `pg_format` (ships with [`pgFormatter`](https://github.com/darold/pgFormatter))
 - Terraform
   - [`terraform`](https://www.terraform.io/docs/commands/fmt.html)
 - Typescript