Removed some error checking code from diagnose(), which is redundant with

  similar (but more Pythonic) code in the BeautifulSoup constructor.
  [bug=2007344]

2 files changed, 4 insertions, 15 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 4960e1e..417b531 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -33,6 +33,10 @@ Python 2 was revision 70f546b1e689a70e2f103795efce6d261a3dadf7.
   Soup now consistently propagates this fact by raising a
   ParserRejectedMarkup error. [bug=2007343]
 
+* Removed some error checking code from diagnose(), which is redundant with
+  similar (but more Pythonic) code in the BeautifulSoup constructor.
+  [bug=2007344]
+
 = 4.11.2 (20230131)
 
 * Fixed test failures caused by nondeterministic behavior of
diff --git a/bs4/diagnose.py b/bs4/diagnose.py
index 3bf583f..e079772 100644
--- a/bs4/diagnose.py
+++ b/bs4/diagnose.py
@@ -59,21 +59,6 @@ def diagnose(data):
 
     if hasattr(data, 'read'):
         data = data.read()
-    elif data.startswith("http:") or data.startswith("https:"):
-        print(('"%s" looks like a URL. Beautiful Soup is not an HTTP client.' % data))
-        print("You need to use some other library to get the document behind the URL, and feed that document to Beautiful Soup.")
-        return
-    else:
-        try:
-            if os.path.exists(data):
-                print(('"%s" looks like a filename. Reading data from the file.' % data))
-                with open(data) as fp:
-                    data = fp.read()
-        except ValueError:
-            # This can happen on some platforms when the 'filename' is
-            # too long. Assume it's data and not a filename.
-            pass
-        print("")
 
     for parser in basic_parsers:
         print(("Trying to parse your markup with %s" % parser))