Strip leading :// from URLs to allow quick conversion of a pasted URL to calls (#1197)

* Strip leading `://` from URLs to allow quick conversion of a pasted URL to calls

Closes #1195

* Markdown lint

* Cleanup

* Cleanup

* Drop extraneous space

* Fix example

CHANGELOG.md

@@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## [2.7.0.dev0](https://github.com/httpie/httpie/compare/2.6.0...master) (unreleased)
 
 - Added support for sending multiple HTTP headers with the same name. ([#130](https://github.com/httpie/httpie/issues/130))
+- Added support for keeping `://` in the URL argument to allow quick conversions of pasted URLs into HTTPie calls just by adding a space after the protocol name (`$ https ://pie.dev` → `https://pie.dev`). ([#1195](https://github.com/httpie/httpie/issues/1195))
 
 ## [2.6.0](https://github.com/httpie/httpie/compare/2.5.0...2.6.0) (2021-10-14)
 
@@ -31,7 +32,6 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 - Fixed `--verbose` HTTP 307 redirects with streamed request body. ([#1088](https://github.com/httpie/httpie/issues/1088))
 - Fixed handling of session files with `Cookie:` followed by other headers. ([#1126](https://github.com/httpie/httpie/issues/1126))
 
-
 ## [2.4.0](https://github.com/httpie/httpie/compare/2.3.0...2.4.0) (2021-02-06)
 
 - Added support for `--session` cookie expiration based on `Set-Cookie: max-age=<n>`. ([#1029](https://github.com/httpie/httpie/issues/1029))

docs/README.md

@@ -482,14 +482,26 @@ The default scheme is `http://` and can be omitted from the argument:
 
 ```bash
 $ http example.org
-# => http://example.org
+# → http://example.org
 ```
 
 HTTPie also installs an `https` executable, where the default scheme is `https://`:
 
 ```bash
 $ https example.org
-# => https://example.org
+# → https://example.org
+```
+
+When you paste a URL into the terminal, you can even keep the `://` bit in the URL argument to quickly convert the URL into an HTTPie call just by adding a space after the protocol name.
+
+```bash
+$ https ://example.org
+# → https://example.org
+```
+
+```bash
+$ http ://example.org
+# → http://example.org
 ```
 
 ### Querystring parameters
@@ -1947,7 +1959,6 @@ HTTPie has the following community channels:
 - [Discord server](https://httpie.io/discord) to ask questions, discuss features, and for general API development discussion
 - [StackOverflow](https://stackoverflow.com) to ask questions (make sure to use the [httpie](https://stackoverflow.com/questions/tagged/httpie) tag)
 
-
 ### Related projects
 
 #### Dependencies

httpie/cli/argparser.py

@@ -120,6 +120,9 @@ class HTTPieArgumentParser(argparse.ArgumentParser):
         }
 
     def _process_url(self):
+        if self.args.url.startswith('://'):
+            # Paste URL & add space shortcut: `http ://pie.dev` → `http://pie.dev`
+            self.args.url = self.args.url[3:]
         if not URL_SCHEME_RE.match(self.args.url):
             if os.path.basename(self.env.program_name) == 'https':
                 scheme = 'https://'

tests/test_cli.py

@@ -169,6 +169,16 @@ class TestQuerystring:
         assert f'"url": "{url}"' in r
 
 
+@pytest.mark.parametrize(['program_name', 'url_arg', 'parsed_url'], [
+    ('http', '://pie.dev/get', 'http://pie.dev/get'),
+    ('https', '://pie.dev/get', 'https://pie.dev/get'),
+])
+def test_url_leading_colon_slash_slash(program_name, url_arg, parsed_url):
+    env = MockEnvironment(program_name=program_name)
+    args = parser.parse_args(args=[url_arg], env=env)
+    assert args.url == parsed_url
+
+
 class TestLocalhostShorthand:
     def test_expand_localhost_shorthand(self):
         args = parser.parse_args(args=[':'], env=MockEnvironment())