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add SeparatedPathType to accept multiple paths

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Multiple paths for the reloader's `--extra-files` are accepted as one
option, separated by ':'.
This commit is contained in:
David Lord 2019-05-24 07:19:56 -07:00
parent 2308cba407
commit e18cc4d71d
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GPG key ID: 7A1C87E3F5BC42A8
3 changed files with 47 additions and 23 deletions
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31
flask/cli.py
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@ -742,6 +742,18 @@ def _validate_key(ctx, param, value):
return value
class SeparatedPathType(click.Path):
"""Click option type that accepts a list of values separated by the
OS's path separator (``:``, ``;`` on Windows). Each value is
validated as a :class:`click.Path` type.
"""
def convert(self, value, param, ctx):
items = self.split_envvar_value(value)
super_convert = super(SeparatedPathType, self).convert
return [super_convert(item, param, ctx) for item in items]
@click.command("run", short_help="Run a development server.")
@click.option("--host", "-h", default="127.0.0.1", help="The interface to bind to.")
@click.option("--port", "-p", default=5000, help="The port to bind to.")
@ -778,12 +790,19 @@ def _validate_key(ctx, param, value):
default=True,
help="Enable or disable multithreading.",
)
@click.option('--extra-files', '-f',
multiple=True, default=None, type=click.Path(),
help='Files reloader should watch additionally to the modules')
@click.option(
"--extra-files",
default=None,
type=SeparatedPathType(),
help=(
"Extra files that trigger a reload on change. Multiple paths"
" are separated by '{}'.".format(os.path.pathsep)
),
)
@pass_script_info
def run_command(info, host, port, reload, debugger, eager_loading,
with_threads, cert, extra_files):
def run_command(
info, host, port, reload, debugger, eager_loading, with_threads, cert, extra_files
):
"""Run a local development server.
This server is for development purposes only. It does not provide
@ -816,7 +835,7 @@ def run_command(info, host, port, reload, debugger, eager_loading,
use_debugger=debugger,
threaded=with_threads,
ssl_context=cert,
extra_files=extra_files
extra_files=extra_files,
)