[tor-commits] [stem/master] Prompting testers to install pep8 if unavailable

[atagar at torproject.org]

commit 3ef0964914f670c05252ad139f88611b636aab37
Author: Damian Johnson <atagar at torproject.org>
Date:   Sun Jan 6 19:34:58 2013 -0800

    Prompting testers to install pep8 if unavailable
    
    Style checks will require pep8 so prompting the user to install it if it's
    unavailable when they run with '--style'.
---
 run_tests.py |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/run_tests.py b/run_tests.py
index 9675706..ed95af3 100755
--- a/run_tests.py
+++ b/run_tests.py
@@ -466,9 +466,12 @@ if __name__ == '__main__':
   style_issues.update(test.check_whitespace.get_issues(os.path.join(base_path, "run_tests.py")))
   
   if CONFIG["argument.style"]:
-    style_issues.update(test.check_whitespace.pep8_issues(os.path.join(base_path, "stem")))
-    style_issues.update(test.check_whitespace.pep8_issues(os.path.join(base_path, "test")))
-    style_issues.update(test.check_whitespace.pep8_issues(os.path.join(base_path, "run_tests.py")))
+    if system.is_available("pep8"):
+      style_issues.update(test.check_whitespace.pep8_issues(os.path.join(base_path, "stem")))
+      style_issues.update(test.check_whitespace.pep8_issues(os.path.join(base_path, "test")))
+      style_issues.update(test.check_whitespace.pep8_issues(os.path.join(base_path, "run_tests.py")))
+    else:
+      test.output.print_line("Style checks require pep8. Please install it from 'http://pypi.python.org/pypi/pep8'.")
   
   if style_issues:
     test.output.print_line("STYLE ISSUES", term.Color.BLUE, term.Attr.BOLD)