Update for modules which import json.

Some do not use the json module directly so don't need import json.
Some needed to fallback to simplejson with no traceback if neither was installed

Fixes #1298

lib/ansible/modules/extras/packaging/language/composer.py

@@ -128,7 +128,12 @@ import re
 try:
     import json
 except ImportError:
-    import simplejson as json
+    try:
+        import simplejson as json
+    except ImportError:
+        # Let snippet from module_utils/basic.py return a proper error in this case
+        pass
+
 
 def parse_out(string):
     return re.sub("\s+", " ", string).strip()

lib/ansible/modules/extras/packaging/language/npm.py

@@ -107,7 +107,12 @@ import os
 try:
     import json
 except ImportError:
-    import simplejson as json
+    try:
+        import simplejson as json
+    except ImportError:
+        # Let snippet from module_utils/basic.py return a proper error in this case
+        pass
+
 
 class Npm(object):
     def __init__(self, module, **kwargs):

lib/ansible/modules/extras/packaging/os/pacman.py

@@ -109,7 +109,6 @@ EXAMPLES = '''
 - pacman: name=baz state=absent force=yes
 '''
 
-import json
 import shlex
 import os
 import re

lib/ansible/modules/extras/packaging/os/pkgin.py

@@ -63,7 +63,6 @@ EXAMPLES = '''
 '''
 
 
-import json
 import shlex
 import os
 import sys

lib/ansible/modules/extras/packaging/os/pkgng.py

@@ -85,7 +85,6 @@ EXAMPLES = '''
 '''
 
 
-import json
 import shlex
 import os
 import re

lib/ansible/modules/extras/packaging/os/portinstall.py

@@ -58,7 +58,6 @@ EXAMPLES = '''
 '''
 
 
-import json
 import shlex
 import os
 import sys

lib/ansible/modules/extras/packaging/os/urpmi.py

@@ -73,7 +73,6 @@ EXAMPLES = '''
 '''
 
 
-import json
 import shlex
 import os
 import sys