Add parameter and variable with non ascii character

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## 2.1.0
+
+* Tax and benefit system evolution
+* Impacted areas: 
+  - Parameters `general`
+  - Variables `benefits`
+* Details:
+  - Add a parameter and a variable with non ascii characters 
+    - Introduce `age_of_retirement` parameter
+    - Introduce `pension` variable
+
 ## 2.0.1 - [#24](https://github.com/openfisca/country-template/pull/24) [#27](https://github.com/openfisca/country-template/pull/27)
 
 _Note: the 2.0.0 version has been unpublished due to performance issues_

openfisca_country_template/parameters/general/age_of_retirement.yaml

@@ -0,0 +1,8 @@
+# A parameter can contain utf-8 characters.
+description: Age of retirement (in years). Âge de la retraite (en années).
+reference: https://fr.wikipedia.org/wiki/Retraite_(économie)
+values:
+  2017-01-01:
+    value: 62.0
+  1951-07-01:
+    value: 60.33

openfisca_country_template/variables/benefits.py

@@ -41,3 +41,20 @@ class housing_allowance(Variable):
     # This allowance was introduced on the 1st of Jan 1980. Calculating it before this date will always return the variable default value, 0.
     def formula_1980(household, period, parameters):
         return household('rent', period) * parameters(period).benefits.housing_allowance
+
+
+# By default, you can use utf-8 characters in a variable. OpenFisca web API manages utf-8 encoding.
+class pension(Variable):
+    value_type = float
+    entity = Person
+    definition_period = MONTH
+    label = "Pension for the elderly. Pension attribuée aux personnes âgées."
+    reference = [u"https://fr.wikipedia.org/wiki/Retraite_(économie)", u"https://ar.wikipedia.org/wiki/تقاعد"]
+
+    def formula(person, period):
+        '''
+        A person's pension depends on its birth date.
+        In french : La pension d'une personne est attribuée d'après la date de naissance.
+        '''
+        age_condition = person('age', period) >= parameters(period).general.age_of_retirement
+        return age_condition

openfisca_country_template/variables/demographics.py

@@ -31,4 +31,4 @@ class birth(Variable):
     entity = Person
     label = u"Birth date"
     definition_period = ETERNITY  # This variable cannot change over time.
-    reference = "https://en.wiktionary.org/wiki/birthdate"
+    reference = u"https://en.wiktionary.org/wiki/birthdate"

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name='OpenFisca-Country-Template',
-    version='2.0.1',
+    version='2.1.0rc0',
     author='OpenFisca Team',
     author_email='contact@openfisca.fr',
     description=u'OpenFisca tax and benefit system for Country-Template',