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12 changes: 8 additions & 4 deletions Lib/webbrowser.py
Original file line number Diff line number Diff line change
Expand Up @@ -542,11 +542,15 @@ def register_standard_browsers():
# First try to use the default Windows browser
register("windows-default", WindowsDefault)

# Detect some common Windows browsers, fallback to IE
iexplore = os.path.join(os.environ.get("PROGRAMFILES", "C:\\Program Files"),
"Internet Explorer\\IEXPLORE.EXE")
# Detect some common Windows browsers, fallback to Microsoft Edge
# location in 64-bit Windows
edge64 = os.path.join(os.environ.get("PROGRAMFILES(x86)", "C:\\Program Files (x86)"),
"Microsoft\\Edge\\Application\\msedge.exe")
# location in 32-bit Windows
edge32 = os.path.join(os.environ.get("PROGRAMFILES", "C:\\Program Files"),
"Microsoft\\Edge\\Application\\msedge.exe")
for browser in ("firefox", "firebird", "seamonkey", "mozilla",
"netscape", "opera", iexplore):
"opera", edge64, edge32):
if shutil.which(browser):
register(browser, None, BackgroundBrowser(browser))
else:
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Update :mod:`webbrowser` to fall back to Microsoft Edge instead of Internet Explorer.