Update Click to 7.0 (#3027)

Closes #3020.

third_party/2and3/click/README.md

@@ -1,4 +1,4 @@
-# click 6.6, Python 3
+# click 7.0
 
 `__init__.pyi` is almost a copy of `click/__init__.py`. It's a shortcut module
 anyway in the actual sources so it works well with minimal changes.

third_party/2and3/click/core.pyi

@@ -228,6 +228,9 @@ class Command(BaseCommand):
     def make_parser(self, ctx: Context) -> OptionParser:
         ...
 
+    def get_short_help_str(self, limit: int = ...) -> str:
+        ...
+
     def format_help(self, ctx: Context, formatter: HelpFormatter) -> None:
         ...
 
@@ -426,6 +429,9 @@ class Parameter:
     def get_usage_pieces(self, ctx: Context) -> List[str]:
         ...
 
+    def get_error_hint(self, ctx: Context) -> str:
+        ...
+
 
 class Option(Parameter):
     prompt: str  # sic
@@ -438,8 +444,10 @@ class Option(Parameter):
     multiple: bool
     allow_from_autoenv: bool
     help: Optional[str]
+    hidden: bool
     show_default: bool
     show_choices: bool
+    show_envvar: bool
 
     def __init__(
         self,
@@ -455,7 +463,9 @@ class Option(Parameter):
         allow_from_autoenv: bool = ...,
         type: Optional[_ConvertibleType] = ...,
         help: Optional[str] = ...,
+        hidden: bool = ...,
         show_choices: bool = ...,
+        show_envvar: bool = ...,
         **attrs
     ) -> None:
         ...

third_party/2and3/click/exceptions.pyi

@@ -70,7 +70,7 @@ class NoSuchOption(UsageError):
 
 
 class BadOptionUsage(UsageError):
-    def __init__(self, message: str, ctx: Optional[Context] = ...) -> None:
+    def __init__(self, option_name: str, message: str, ctx: Optional[Context] = ...) -> None:
         ...
 
 

third_party/2and3/click/termui.pyi

@@ -10,6 +10,7 @@ from typing import (
     overload,
     Tuple,
     TypeVar,
+    Union,
 )
 
 from click.core import _ConvertibleType
@@ -59,7 +60,10 @@ def get_terminal_size() -> Tuple[int, int]:
     ...
 
 
-def echo_via_pager(text: str, color: Optional[bool] = ...) -> None:
+def echo_via_pager(
+    text_or_generator: Union[str, Iterable[str], Callable[[], Generator[str, None, None]]],
+    color: Optional[bool]
+) -> None:
     ...
 
 
@@ -127,7 +131,7 @@ def unstyle(text: str) -> str:
 
 # Styling options copied from style() for nicer type checking.
 def secho(
-    text: str,
+    message: Optional[str] = ...,
     file: Optional[IO] = ...,
     nl: bool = ...,
     err: bool = ...,

third_party/2and3/click/testing.pyi

@@ -20,25 +20,36 @@ class Result:
     exit_code: int
     exception: Any
     exc_info: Optional[Any]
+    stdout_bytes: bytes
+    stderr_bytes: bytes
     def __init__(
         self,
         runner: CliRunner,
+        stdout_bytes: bytes,
+        stderr_bytes: bytes,
         exit_code: int,
         exception: Any,
         exc_info: Optional[Any] = ...,
     ) -> None: ...
     @property
     def output(self) -> Text: ...
+    @property
+    def stdout(self) -> Text: ...
+    @property
+    def stderr(self) -> Text: ...
 
 class CliRunner:
     charset: str
     env: Mapping[str, str]
     echo_stdin: bool
+    mix_stderr: bool
+
     def __init__(
         self,
         charset: Optional[Text] = ...,
         env: Optional[Mapping[str, str]] = ...,
         echo_stdin: bool = ...,
+        mix_stderr: bool = ...,
     ) -> None:
         ...
     def get_default_prog_name(self, cli: BaseCommand) -> str: ...