seb4itik/byow/plugins/filter/dic2str.py

@@ -1,51 +1,59 @@
 #!/usr/bin/python
 
+
+DOCUMENTATION = r"""
+  name: dict2str
+  short_description: This filter transforms a flat dict into a string using 4 separators.
+  version_added: "0.1.1"
+  author: Sébastien Namèche (@seb4itik)
+  description:
+    - If my_dict is {one: "un", two: "deux", three: "trois"}, then:
+    - {{ my_dict | dict2str(sep1=' is ', sep2=', ', sep3='.') }}
+    - will produce:
+    - "one is un, two is deux, three is trois."
+  options:
+    _input:
+      description: A flat dict.
+      type: dict
+      elements: str, int, bool
+      required: true
+    sep0:
+      description: Unique initial separator at the beginning of string.
+      type: str
+      default: ""
+    sep1:
+      description: Separator between each key and value pairs of the dict.
+      type: str
+      default: "="
+    sep2:
+      description: Separator between key/value pairs of the dict that has been combined with sep1.
+      type: str
+      default: ";"
+    sep3:
+      description: Unique final separator at the end of string.
+      type: str
+      default: ""
+  notes:
+    - If a value associated to a key of the dict is None or an empty string,
+    - sep2 will not be used.
+"""
+
+
+RETURN = r"""
+  _value:
+    type: str
+    description:
+      - String representating the dict using provided separators.
+"""
+
+
 class FilterModule(object):
     def filters(self):
         return {
             'dict2str': self.dict2str
         }
     
-    def dict2str(self, d, sep1='=', sep2=';', sep3=''):
+    def dict2str(self, d, sep0='', sep1='=', sep2=';', sep3=''):
-        return sep2.join(
+        return sep0 + sep2.join(
             [ str(k) + (sep1+str(v) if v!=None and v!='' else '') for k, v in d.items() ]
         ) + sep3
-
-
-DOCUMENTATION = """
-    name: dict2str
-    author: Sébastien Namèche (@seb4itik)
-    version_added: "0.1.1"
-    short_description: This filter transforms a flat dict into a string using 3 separators.
-    description:
-        - If my_dict is {one: "un", two: "deux", three: "trois"}, then:
-        - {{ my_dict | dict2str(sep1=' is ', sep2=', ', sep3='.') }}
-        - will produce:
-        - "one is un, two is deux, three is trois."
-    options:
-        sep1:
-            description:
-            - separator between each key and value pairs of the dict
-            type: str
-            default: "="
-        sep2:
-            description:
-            - separator between key/value pairs of the dict that has been combined with sep1
-            type: str
-            default: ";"
-        sep3:
-            description:
-            - unique final separator at the end of string
-            type: str
-            default: ""
-    notes:
-      - If a value associated to a key of the dict is None or an empty string,
-      - sep2 will not be used.
-"""
-
-RETURN = """
-  data:
-    type: str
-    description:
-      - String representating the dict using provided separators.
-"""