[3.11] gh-99418: Make urllib.parse.urlparse enforce that a scheme must begin with an alphabetical ASCII character. (GH-99421) #99446
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… begin with an alphabetical ASCII character. (pythonGH-99421) Prevent urllib.parse.urlparse from accepting schemes that don't begin with an alphabetical ASCII character. RFC 3986 defines a scheme like this: `scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )` RFC 2234 defines an ALPHA like this: `ALPHA = %x41-5A / %x61-7A` The WHATWG URL spec defines a scheme like this: `"A URL-scheme string must be one ASCII alpha, followed by zero or more of ASCII alphanumeric, U+002B (+), U+002D (-), and U+002E (.)."` (cherry picked from commit 439b9cf) Co-authored-by: Ben Kallus <49924171+kenballus@users.noreply.github.com>
gpshead
approved these changes
Nov 13, 2022
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Prevent urllib.parse.urlparse from accepting schemes that don't begin with an alphabetical ASCII character.
RFC 3986 defines a scheme like this:
scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )RFC 2234 defines an ALPHA like this:
ALPHA = %x41-5A / %x61-7AThe WHATWG URL spec defines a scheme like this:
"A URL-scheme string must be one ASCII alpha, followed by zero or more of ASCII alphanumeric, U+002B (+), U+002D (-), and U+002E (.)."(cherry picked from commit 439b9cf)
Co-authored-by: Ben Kallus 49924171+kenballus@users.noreply.github.com