Bug 1415618: Use path relative to mozharness config modules to find configs. r=jlund

MozReview-Commit-ID: 6D6QEz9ulYX

--HG--
extra : rebase_source : 77fb6c02d5e3f4e7011f0bef5ee22708145d3702
extra : source : 5ecdc55db739801216435854ce412694a8e0dca7

testing/mozharness/mozharness/base/config.py

@@ -135,6 +135,8 @@ class ReadOnlyDict(dict):
             result[k] = deepcopy(v, memo)
         return result
 
+DEFAULT_CONFIG_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "configs")
+
 # parse_config_file {{{1
 def parse_config_file(file_name, quiet=False, search_path=None,
                       config_dict_name="config"):
@@ -145,8 +147,7 @@ def parse_config_file(file_name, quiet=False, search_path=None,
         file_path = file_name
     else:
         if not search_path:
-            search_path = ['.', os.path.join(sys.path[0], '..', 'configs'),
-                           os.path.join(sys.path[0], '..', '..', 'configs')]
+            search_path = ['.', DEFAULT_CONFIG_PATH]
         for path in search_path:
             if os.path.exists(os.path.join(path, file_name)):
                 file_path = os.path.join(path, file_name)

testing/mozharness/mozharness/mozilla/building/buildbase.py

@@ -26,7 +26,7 @@ from itertools import chain
 import sys
 from datetime import datetime
 import re
-from mozharness.base.config import BaseConfig, parse_config_file
+from mozharness.base.config import BaseConfig, parse_config_file, DEFAULT_CONFIG_PATH
 from mozharness.base.log import ERROR, OutputParser, FATAL
 from mozharness.base.script import PostScriptRun
 from mozharness.base.vcs.vcsbase import MercurialScript
@@ -400,8 +400,7 @@ class BuildOptionParser(object):
     platform = None
     bits = None
     config_file_search_path = [
-        '.', os.path.join(sys.path[0], '..', 'configs'),
-        os.path.join(sys.path[0], '..', '..', 'configs')
+        DEFAULT_CONFIG_PATH,
     ]
 
     # add to this list and you can automagically do things like