fix: use `python3` for all `python` invocations (#10832)

plugins/aliases/aliases.plugin.zsh

@@ -3,9 +3,9 @@
 # - acs: alias cheatsheet
 #   group alias by command, pass addition argv to grep.
 function acs(){
-  (( $+commands[python] )) || {
+  (( $+commands[python3] )) || {
     echo "[error] No python executable detected"
     return
   }
-  alias | python ${functions_source[$0]:h}/cheatsheet.py $@
+  alias | python3 ${functions_source[$0]:h}/cheatsheet.py $@
 }

plugins/aliases/cheatsheet.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 import sys
 import itertools
 import termcolor

plugins/git-prompt/README.md

@@ -13,7 +13,7 @@ See the [original repository](https://github.com/olivierverdier/zsh-git-prompt).
 
 ## Requirements
 
-This plugin uses `python`, so your host needs to have it installed
+This plugin uses `python3`, so your host needs to have it installed.
 
 ## Examples
 

plugins/git-prompt/git-prompt.plugin.zsh

@@ -36,7 +36,7 @@ function update_current_git_vars() {
     unset __CURRENT_GIT_STATUS
 
     local gitstatus="$__GIT_PROMPT_DIR/gitstatus.py"
-    _GIT_STATUS=$(python ${gitstatus} 2>/dev/null)
+    _GIT_STATUS=$(python3 ${gitstatus} 2>/dev/null)
      __CURRENT_GIT_STATUS=("${(@s: :)_GIT_STATUS}")
     GIT_BRANCH=$__CURRENT_GIT_STATUS[1]
     GIT_AHEAD=$__CURRENT_GIT_STATUS[2]

plugins/git-prompt/gitstatus.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 from __future__ import print_function
 
 import os

plugins/jsontools/jsontools.plugin.zsh

@@ -8,7 +8,7 @@ fi
 
 # If method undefined, find the first one that is installed
 if [[ -z "$JSONTOOLS_METHOD" ]]; then
-  for JSONTOOLS_METHOD in node python ruby; do
+  for JSONTOOLS_METHOD in node python3 ruby; do
     # If method found, break out of loop
     (( $+commands[$JSONTOOLS_METHOD] )) && break
     # Otherwise unset the variable
@@ -45,12 +45,12 @@ case "$JSONTOOLS_METHOD" in
       xargs -0 node -e "console.log(decodeURIComponent(process.argv[1]))"
     }
   ;;
-  python)
+  python3)
     function pp_json() {
-      python -c 'import sys; del sys.path[0]; import runpy; runpy._run_module_as_main("json.tool")'
+      python3 -c 'import sys; del sys.path[0]; import runpy; runpy._run_module_as_main("json.tool")'
     }
     function is_json() {
-      python -c '
+      python3 -c '
 import sys; del sys.path[0];
 import json
 try:
@@ -61,14 +61,14 @@ except ValueError:
       '
     }
     function urlencode_json() {
-      python -c '
+      python3 -c '
 import sys; del sys.path[0];
 from urllib.parse import quote_plus
 print(quote_plus(sys.stdin.read()))
       '
     }
     function urldecode_json() {
-      python -c '
+      python3 -c '
 import sys; del sys.path[0];
 from urllib.parse import unquote_plus
 print(unquote_plus(sys.stdin.read()))

plugins/pyenv/pyenv.plugin.zsh

@@ -89,7 +89,7 @@ if [[ $FOUND_PYENV -eq 1 ]]; then
 else
   # Fall back to system python
   function pyenv_prompt_info() {
-    local version="$(python -V 2>&1 | cut -d' ' -f2)"
+    local version="$(python3 -V 2>&1 | cut -d' ' -f2)"
     echo "system: ${version:gs/%/%%}"
   }
 fi

plugins/python/README.md

@@ -12,7 +12,7 @@ plugins=(... python)
 
 | Command          | Description                                                                            |
 | ---------------- | -------------------------------------------------------------------------------------- |
-| `py`             | Runs `python`                                                                          |
+| `py`             | Runs `python3`                                                                         |
 | `ipython`        | Runs the appropriate `ipython` version according to the activated virtualenv           |
 | `pyfind`         | Finds .py files recursively in the current directory                                   |
 | `pyclean [dirs]` | Deletes byte-code and cache files from a list of directories or the current one        |

plugins/python/python.plugin.zsh

 # python command
-alias py='python'
+alias py='python3'
 
 # Find python file
 alias pyfind='find . -name "*.py"'
@@ -44,10 +44,10 @@ function pyuserpaths() {
 alias pygrep='grep -nr --include="*.py"'
 
 # Run proper IPython regarding current virtualenv (if any)
-alias ipython="python -c 'import IPython; IPython.terminal.ipapp.launch_new_instance()'"
+alias ipython="python3 -c 'import IPython; IPython.terminal.ipapp.launch_new_instance()'"
 
 # Share local directory as a HTTP server
-alias pyserver="python -m http.server"
+alias pyserver="python3 -m http.server"
 
 
 ## venv utilities