Fix logic passing args to crawler

- do not set arg only if value is None or False
- remove default value 0 from args (this was not passed but would be
  with new corrected code and would induce a different crawler behavior in fact)

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Fixed
+
+- Fix logic passing args to crawler to support value '0' (#245)
+
 ## [1.6.1] - 2023-11-06
 
 ### Changed

zimit.py

@@ -151,18 +151,16 @@ def zimit(args=None):
         "--extraHops",
         help="Number of extra 'hops' to follow, beyond the current scope",
         type=int,
-        default=0,
     )
 
     parser.add_argument(
-        "--limit", help="Limit crawl to this number of pages", type=int, default=0
+        "--limit", help="Limit crawl to this number of pages", type=int
     )
 
     parser.add_argument(
         "--maxPageLimit",
         help="Maximum pages to crawl, overriding pageLimit if both are set",
         type=int,
-        default=0,
     )
 
     parser.add_argument(
@@ -263,7 +261,6 @@ def zimit(args=None):
         help="If >0, amount of time to sleep (in seconds) after behaviors "
         "before moving on to next page",
         type=int,
-        default=0,
     )
 
     parser.add_argument(
@@ -276,7 +273,6 @@ def zimit(args=None):
         "--sizeLimit",
         help="If set, save state and exit if size limit exceeds this value",
         type=int,
-        default=0,
     )
 
     parser.add_argument(
@@ -291,14 +287,12 @@ def zimit(args=None):
         "--timeLimit",
         help="If set, save state and exit after time limit, in seconds",
         type=int,
-        default=0,
     )
 
     parser.add_argument(
         "--healthCheckPort",
         help="port to run healthcheck on",
         type=int,
-        default=0,
     )
 
     parser.add_argument(
@@ -522,7 +516,8 @@ def get_node_cmd_line(args):
         "config",
     ]:
         value = getattr(args, arg)
-        if value:
+        if value == None or (isinstance(value, bool) and value == False):
+            continue
         node_cmd.append("--" + arg)
         if not isinstance(value, bool):
             node_cmd.append(str(value))