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bpo-37663: have venv activation scripts all consistently use __VENV_PROMPT__ for prompt customization (GH-14941)

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The activation scripts generated by venv were inconsistent in how they changed the shell's prompt. Some used `__VENV_PROMPT__` exclusively, some used `__VENV_PROMPT__` if it was set even though by default `__VENV_PROMPT__` is always set and the fallback matched the default, and one ignored `__VENV_PROMPT__` and used `__VENV_NAME__` instead (and even used a differing format to the default prompt). This change now has all activation scripts use `__VENV_PROMPT__` only and relies on the fact that venv sets that value by default.

The color of the customization is also now set in fish to the blue from the Python logo for as hex color support is built into that shell (much like PowerShell where the built-in green color is used).
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Brett Cannon 2019-08-21 15:58:01 -07:00 • committed by GitHub
parent df2d4a6f3d
commit 48ede6b8f6
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5 changed files with 30 additions and 46 deletions
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14
Lib/venv/scripts/posix/activate.csh
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@ -17,19 +17,7 @@ setenv PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH"
set _OLD_VIRTUAL_PROMPT="$prompt"
if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
if ("__VENV_NAME__" != "") then
set env_name = "__VENV_NAME__"
else
if (`basename "VIRTUAL_ENV"` == "__") then
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
set env_name = `basename \`dirname "$VIRTUAL_ENV"\``
else
set env_name = `basename "$VIRTUAL_ENV"`
endif
endif
set prompt = "[$env_name] $prompt"
unset env_name
set prompt = "__VENV_PROMPT__$prompt"
endif
alias pydoc python -m pydoc