Merge pull request #5634 from LMFDB/master

master -> dev

lmfdb/app.py

@@ -307,7 +307,7 @@ def badbot():
     ua = request.user_agent.string.lower()
     for elt in bad_bots_list():
         if elt in ua:
-            time.sleep(5)
+            time.sleep(10)
 
 
 def timestamp():

lmfdb/characters/TinyConrey.py

@@ -213,7 +213,7 @@ def galois_orbit(self, limit=31):
         elif order < limit or order * order < limit * self.modulus:
             logger.debug(f"compute all conjugate characters and return first {limit}")
             return self.galois_orbit_all(limit)
-        elif limit == 1 or self.modulus < 30 * order:
+        elif limit == 1 or self.modulus <= 1000000:
             logger.debug(f"compute {limit} first conjugate characters")
             return self.galois_orbit_search(limit)
         else:

lmfdb/characters/test_characters.py

@@ -142,6 +142,9 @@ def test_dirichletgalorbs(self):
         W = self.tc.get('/Character/Dirichlet/9999999999/banana', follow_redirects=True)
         assert 'Error: Galois orbits have only been computed for modulus up to 100,000' in W.get_data(as_text=True)
 
+        W = self.tc.get('/Character/Dirichlet/58589/50021', follow_redirects=True)
+        assert 'Number field defined by a degree 1428 polynomial' in W.get_data(as_text=True)
+
     def test_dirichletchar11(self):
         W = self.tc.get('/Character/Dirichlet/1/1')
         assert '/NumberField/1.1.1.1' in W.get_data(as_text=True)

lmfdb/lfunctions/Lfunction.py

@@ -44,6 +44,8 @@
 )
 import sage.libs.lcalc.lcalc_Lfunction as lc
 
+from lmfdb.app import is_debug_mode
+
 from lmfdb.backend.encoding import Json
 from lmfdb.utils import (
     Downloader,
@@ -1254,6 +1256,12 @@ def __init__(self, **args):
         self.primitive = self.artin.primitive()
         self.degree = self.artin.dimension()
         self.level = self.artin.conductor()
+
+        # disable expensive L-functions, these should not be linked anywhere regardless
+        # this threshold comes from lmfdb/artin_representations/main.py
+        if not is_debug_mode() and self.level**self.degree > 729000000000000:
+            raise ValueError(f'Error constructing L-function for the Artin representation {self.origin_label}, as the conductor/degree is too large.')
+
         self.level_factored = factor(self.level)
         self.mu_fe = self.artin.mu_fe()
         self.nu_fe = self.artin.nu_fe()
@@ -1320,7 +1328,7 @@ def __init__(self, **args):
         # Check for compulsory arguments
         if "t" in args and "family" in args:
             args["label"] = args["family"] + "_" + args["t"]
-        validate_required_args ('Unable to construct hypergeometric motive L-function.', args, 'label')
+        validate_required_args('Unable to construct hypergeometric motive L-function.', args, 'label')
         self._Ltype = "hgmQ"
 
         # Put the arguments into the object dictionary