feat(python): add handler for python PEPs

lua/gx/handler.lua

@@ -8,6 +8,7 @@ local go_handler = require("gx.handlers.go")
 local commit_handler = require("gx.handlers.commit")
 local markdown_handler = require("gx.handlers.markdown")
 local cve_handler = require("gx.handlers.cve")
+local python_pep_handler = require("gx.handlers.python-pep")
 local search_handler = require("gx.handlers.search")
 
 local M = {}
@@ -48,6 +49,7 @@ local function resolve_handlers(handlers)
   add_handler(resolved, go_handler, handlers.go and exists.go == nil)
   add_handler(resolved, markdown_handler, handlers.markdown and exists.markdown == nil)
   add_handler(resolved, cve_handler, handlers.cve and exists.cve == nil)
+  add_handler(resolved, python_pep_handler, handlers.python_pep and exists.python_pep == nil)
   add_handler(resolved, url_handler, handlers.url and exists.url == nil)
   add_handler(resolved, search_handler, handlers.search and exists.search == nil)
   -- ###

lua/gx/handlers/python-pep.lua

@@ -0,0 +1,18 @@
+local helper = require("gx.helper")
+
+---@type GxHandler
+local M = {
+  name = "python-pep",
+  filetype = nil,
+  filename = nil,
+}
+
+function M.handle(mode, line, _)
+  local id = helper.find(line, mode, "PEP%s?-?(%d+)")
+  if not id then
+    return
+  end
+  return "https://peps.python.org/" .. "pep-" .. id
+end
+
+return M

test/spec/gx/handlers/python-pep_spec.lua

@@ -0,0 +1,13 @@
+local handler = require("gx.handlers.python-pep")
+
+describe("python-pep_handler_does_work", function()
+  it("python-pep", function()
+    assert.equals("https://peps.python.org/pep-484", handler.handle("v", "# PEP-484"))
+  end)
+  it("python-pep", function()
+    assert.equals("https://peps.python.org/pep-484", handler.handle("v", "# PEP484"))
+  end)
+  it("python-pep", function()
+    assert.equals("https://peps.python.org/pep-484", handler.handle("v", "# PEP 484"))
+  end)
+end)