🔥 Remove support for Python 3.6 (#758)

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         click-version:
           - click-7
           - click-8
@@ -27,17 +27,12 @@ jobs:
       - name: Install Flit
         run: pip install flit
       - name: Install Dependencies
-        if: ${{ matrix.python-version != '3.6' }}
         run: python -m flit install --symlink
-      - name: Install Dependencies
-        if: ${{ matrix.python-version == '3.6' }}
-        # This doesn't install the editable install, so coverage doesn't get subprocesses
-        run: python -m pip install ".[test]"
       - name: Install Click 7
         if: matrix.click-version == 'click-7'
         run: pip install "click<8.0.0"
       - name: Lint
-        if: ${{ matrix.python-version != '3.6' && matrix.click-version == 'click-8' }}
+        if: ${{ matrix.click-version == 'click-8' }}
         run: bash scripts/lint.sh
       - run: mkdir coverage
       - name: Test

.gitignore

@@ -1,8 +1,7 @@
 .vscode
 *.pyc
 __pycache__
-env3.7
-env3.6
+.venv*
 env
 dist
 .mypy_cache

README.md

@@ -26,7 +26,7 @@
 
 ---
 
-Typer is a library for building <abbr title="command line interface, programs executed from a terminal">CLI</abbr> applications that users will **love using** and developers will **love creating**. Based on Python 3.6+ type hints.
+Typer is a library for building <abbr title="command line interface, programs executed from a terminal">CLI</abbr> applications that users will **love using** and developers will **love creating**. Based on Python type hints.
 
 The key features are:
 
@@ -46,8 +46,6 @@ And it's intended to be the FastAPI of CLIs.
 
 ## Requirements
 
-Python 3.6+
-
 **Typer** stands on the shoulders of a giant. Its only internal dependency is <a href="https://click.palletsprojects.com/" class="external-link" target="_blank">Click</a>.
 
 ## Installation
@@ -277,7 +275,7 @@ You do that with standard modern Python types.
 
 You don't have to learn a new syntax, the methods or classes of a specific library, etc.
 
-Just standard **Python 3.6+**.
+Just standard **Python**.
 
 For example, for an `int`:
 

docs/features.md

@@ -8,7 +8,7 @@ It follows the same design and ideas. If you know **FastAPI**, you already know
 
 ## Just Modern Python
 
-It's all based on standard **Python 3.6 type** declarations. No new syntax to learn. Just standard modern Python.
+It's all based on standard **Python type** declarations. No new syntax to learn. Just standard modern Python.
 
 If you need a 2 minute refresher of how to use Python types (even if you don't use FastAPI or Typer), check the FastAPI tutorial section: <a href="https://fastapi.tiangolo.com/python-types/" class="external-link" target="_blank">Python types intro</a>.
 

docs/index.md

@@ -26,7 +26,7 @@
 
 ---
 
-Typer is a library for building <abbr title="command line interface, programs executed from a terminal">CLI</abbr> applications that users will **love using** and developers will **love creating**. Based on Python 3.6+ type hints.
+Typer is a library for building <abbr title="command line interface, programs executed from a terminal">CLI</abbr> applications that users will **love using** and developers will **love creating**. Based on Python type hints.
 
 The key features are:
 
@@ -46,8 +46,6 @@ And it's intended to be the FastAPI of CLIs.
 
 ## Requirements
 
-Python 3.6+
-
 **Typer** stands on the shoulders of a giant. Its only internal dependency is <a href="https://click.palletsprojects.com/" class="external-link" target="_blank">Click</a>.
 
 ## Installation
@@ -277,7 +275,7 @@ You do that with standard modern Python types.
 
 You don't have to learn a new syntax, the methods or classes of a specific library, etc.
 
-Just standard **Python 3.6+**.
+Just standard **Python**.
 
 For example, for an `int`:
 

docs/tutorial/arguments/default.md

@@ -6,13 +6,13 @@ That way the *CLI argument* will be optional *and also* have a default value.
 
 We can also use `typer.Argument()` to make a *CLI argument* have a default value other than `None`:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="5"
     {!> ../docs_src/arguments/default/tutorial001_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -60,13 +60,13 @@ Hello Camila
 
 And we can even make the default value be dynamically generated by passing a function as the `default_factory` argument:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="7-8  11"
     {!> ../docs_src/arguments/default/tutorial002_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.

docs/tutorial/arguments/envvar.md

@@ -2,13 +2,13 @@ You can also configure a *CLI argument* to read a value from an environment vari
 
 To do that, use the `envvar` parameter for `typer.Argument()`:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="5"
     {!> ../docs_src/arguments/envvar/tutorial001_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -60,13 +60,13 @@ Hello Mr. Czernobog
 
 You are not restricted to a single environment variable, you can declare a list of environment variables that could be used to get a value if it was not passed in the command line:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="6"
     {!> ../docs_src/arguments/envvar/tutorial002_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -108,13 +108,13 @@ Hello Mr. Anubis
 
 By default, environment variables used will be shown in the help text, but you can disable them with `show_envvar=False`:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="7"
     {!> ../docs_src/arguments/envvar/tutorial003_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.

docs/tutorial/arguments/help.md

@@ -12,13 +12,13 @@ Now that you also know how to use `typer.Argument()`, let's use it to add docume
 
 You can use the `help` parameter to add a help text for a *CLI argument*:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="5"
     {!> ../docs_src/arguments/help/tutorial001_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -50,13 +50,13 @@ Options:
 
 And of course, you can also combine that `help` with the <abbr title="a multi-line string as the first expression inside a function (not assigned to any variable) used for documentation">docstring</abbr>:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="5-8"
     {!> ../docs_src/arguments/help/tutorial002_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -90,13 +90,13 @@ Options:
 
 If you have a *CLI argument* with a default value, like `"World"`:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="5"
     {!> ../docs_src/arguments/help/tutorial003_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -128,13 +128,13 @@ Options:
 
 But you can disable that if you want to, with `show_default=False`:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="7"
     {!> ../docs_src/arguments/help/tutorial004_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -173,13 +173,13 @@ Options:
 
 You can use the same `show_default` to pass a custom string (instead of a `bool`) to customize the default value to be shown in the help text:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="9"
     {!> ../docs_src/arguments/help/tutorial005_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -231,13 +231,13 @@ But you can customize it with the `metavar` parameter for `typer.Argument()`.
 
 For example, let's say you don't want to have the default of `NAME`, you want to have `username`, in lowercase, and you really want ✨ emojis ✨ everywhere:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="5"
     {!> ../docs_src/arguments/help/tutorial006_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -270,13 +270,13 @@ You might want to show the help information for *CLI arguments* in different pan
 
 If you have installed Rich as described in the docs for [Printing and Colors](../printing.md){.internal-link target=_blank}, you can set the `rich_help_panel` parameter to the name of the panel where you want this *CLI argument* to be shown:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="8  12"
     {!> ../docs_src/arguments/help/tutorial007_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -326,13 +326,13 @@ If you want, you can make a *CLI argument* **not** show up in the `Arguments` se
 
 You will probably not want to do this normally, but it's possible:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="5"
     {!> ../docs_src/arguments/help/tutorial008_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.

docs/tutorial/commands/help.md

@@ -2,13 +2,13 @@ The same as before, you can add help for the commands in the docstrings and the
 
 And the `typer.Typer()` application receives a parameter `help` that you can pass with the main help text for your CLI program:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="4  9-11  22  26-30  43  47-51  60-62"
     {!> ../docs_src/commands/help/tutorial001_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -201,13 +201,13 @@ Then you can use more formatting in the docstrings and the `help` parameter for
 
 If you set `rich_markup_mode="rich"` when creating the `typer.Typer()` app, you will be able to use <a href="https://rich.readthedocs.io/en/stable/markup.html" class="external-link" target="_blank">Rich Console Markup</a> in the docstring, and even in the help for the *CLI arguments* and options:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="4  10  14-16  21  24  27"
     {!> ../docs_src/commands/help/tutorial004_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -277,13 +277,13 @@ $ python main.py delete --help
 
 If you set `rich_markup_mode="markdown"` when creating the `typer.Typer()` app, you will be able to use Markdown in the docstring:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="4  9  12-20  25  27-28"
     {!> ../docs_src/commands/help/tutorial005_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.
@@ -363,7 +363,7 @@ If you installed <a href="https://rich.readthedocs.io/" class="external-link" ta
 
 To set the panel for a command you can pass the argument `rich_help_panel` with the name of the panel you want to use:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="22  30  38  46"
     {!> ../docs_src/commands/help/tutorial006.py!}
@@ -408,13 +408,13 @@ The same way, you can configure the panels for *CLI arguments* and *CLI options*
 
 And of course, in the same application you can also set the `rich_help_panel` for commands.
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="15  21  27  37"
     {!> ../docs_src/commands/help/tutorial007_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.

docs/tutorial/commands/options.md

@@ -2,13 +2,13 @@ Commands can also have their own *CLI options*.
 
 In fact, each command can have different *CLI arguments* and *CLI options*:
 
-=== "Python 3.6+"
+=== "Python 3.7+"
 
     ```Python hl_lines="8  14-17  27-29  38"
     {!> ../docs_src/commands/options/tutorial001_an.py!}
     ```
 
-=== "Python 3.6+ non-Annotated"
+=== "Python 3.7+ non-Annotated"
 
     !!! tip
         Prefer to use the `Annotated` version if possible.