Fix #4581 (WSJ not downloading fully) and fix invocation of embedded python interpreter via call to ipython not working because of command line arguments

resources/recipes/wsj.recipe

@@ -16,7 +16,7 @@ class WallStreetJournal(BasicNewsRecipe):
         needs_subscription = True
         language = 'en'
 
-        max_articles_per_feed = 25
+        max_articles_per_feed = 1000
         timefmt  = ' [%a, %b %d, %Y]'
         no_stylesheets = True
 

src/calibre/__init__.py

@@ -451,6 +451,8 @@ def prepare_string_for_xml(raw, attribute=False):
         traceback.print_exc()
 
 def ipython(user_ns=None):
+    old_argv = sys.argv
+    sys.argv = ['ipython']
     if user_ns is None:
         user_ns = locals()
     from calibre.utils.config import config_dir
@@ -514,5 +516,6 @@ def main():
     from IPython.Shell import IPShellEmbed
     ipshell = IPShellEmbed(user_ns=user_ns)
     ipshell()
+    sys.argv = old_argv