ensure we do not fail if no urls to check to close #84 (#67)

Signed-off-by: vsoch <vsoch@users.noreply.github.com>
Co-authored-by: vsoch <vsoch@users.noreply.github.com>

Author: vsoch

CHANGELOG.md

@@ -12,6 +12,7 @@ and **Merged pull requests**. Critical items to know are:
 Referenced versions in headers are tagged on Github, in parentheses are for pypi.
 
 ## [vxx](https://github.com/urlstechie/urlschecker-python/tree/master) (master)
+ - don't exit and fail if no URLs to check (0.0.27)
  - multiprocessing to speed up checks (0.0.26)
  - bug fix for verbose option to only print file names that have failures (0.0.25)
  - adding option to print a summary that contains file names and urls (0.0.24)

urlchecker/core/check.py

@@ -190,6 +190,10 @@ def run(
             funcs[file_name] = check_task
 
         results = workers.run(funcs, tasks)
+        if not results:
+            print("\U0001F914 There were no URLs to check.")
+            sys.exit(0)
+
         for file_name, result in results.items():
             self.checks[file_name] = result
             self.results["failed"].update(result["failed"])

urlchecker/version.py

@@ -7,7 +7,7 @@
 
 """
 
-__version__ = "0.0.26"
+__version__ = "0.0.27"
 AUTHOR = "Ayoub Malek, Vanessa Sochat"
 AUTHOR_EMAIL = "superkogito@gmail.com, vsochat@stanford.edu"
 NAME = "urlchecker"