Open source

libraries/stripe/util.py

@@ -0,0 +1,57 @@
+import logging
+import sys
+import os
+
+logger = logging.getLogger('stripe')
+
+__all__ = ['StringIO', 'parse_qsl', 'json', 'utf8']
+
+try:
+    # When cStringIO is available
+    import cStringIO as StringIO
+except ImportError:
+    import StringIO
+
+try:
+    from urlparse import parse_qsl
+except ImportError:
+    # Python < 2.6
+    from cgi import parse_qsl
+
+try:
+    import json
+except ImportError:
+    json = None
+
+if not (json and hasattr(json, 'loads')):
+    try:
+        import simplejson as json
+    except ImportError:
+        if not json:
+            raise ImportError(
+                "Stripe requires a JSON library, such as simplejson. "
+                "HINT: Try installing the "
+                "python simplejson library via 'pip install simplejson' or "
+                "'easy_install simplejson', or contact support@stripe.com "
+                "with questions.")
+        else:
+            raise ImportError(
+                "Stripe requires a JSON library with the same interface as "
+                "the Python 2.6 'json' library.  You appear to have a 'json' "
+                "library with a different interface.  Please install "
+                "the simplejson library.  HINT: Try installing the "
+                "python simplejson library via 'pip install simplejson' "
+                "or 'easy_install simplejson', or contact support@stripe.com"
+                "with questions.")
+
+
+def utf8(value):
+    if isinstance(value, unicode) and sys.version_info < (3, 0):
+        return value.encode('utf-8')
+    else:
+        return value
+
+
+def is_appengine_dev():
+    return ('APPENGINE_RUNTIME' in os.environ and
+            'Dev' in os.environ.get('SERVER_SOFTWARE', ''))