Refactor: Made open_exoplanet_catalogue kwargs keyword only

Author: nkphysics

astroquery/open_exoplanet_catalogue/tests/test_open_exoplanet_catalogue_local.py

@@ -11,7 +11,7 @@ def data_path(filename):
 
 def test_function():
     # use local version of database
-    cata = oec.get_catalogue(data_path('systems.xml.gz'))
+    cata = oec.get_catalogue(filepath=data_path('systems.xml.gz'))
 
     assert len(cata.findall('.//planet')) > 0
 

astroquery/open_exoplanet_catalogue/utils.py

@@ -9,7 +9,7 @@ class Number:
     Examples
     --------
 
-    >>> num = Number(10, errorminus=0.5, errorplus=0.8)
+    >>> num = Number(value=10, errorminus=0.5, errorplus=0.8)
     >>> str(num)
     '10.0 +0.8 -0.5'
 
@@ -22,7 +22,7 @@ class Number:
     >>> num.errorminus
     0.5
 
-    >>> num = Number(None, upperlimit=10)
+    >>> num = Number(value=None, upperlimit=10)
     >>> str(num)
     '<10.0'
 
@@ -33,7 +33,7 @@ class Number:
     False
     """
 
-    def __init__(self, value=None, upperlimit=None, lowerlimit=None,
+    def __init__(self, *, value=None, upperlimit=None, lowerlimit=None,
                  errorplus=None, errorminus=None):
         """
         Parameters
@@ -78,11 +78,11 @@ def __str__(self):
         """
         Example outputs
         ---------------
-        >>> str(Number(2.0))
+        >>> str(Number(value=2.0))
         '2.0'
-        >>> str(Number(2.0, errorplus=1.0, errorminus=1.5))
+        >>> str(Number(value=2.0, errorplus=1.0, errorminus=1.5))
         '2.0 +1.0 -1.5'
-        >>> str(Number(2.0, errorplus=1.0, errorminus=1.0))
+        >>> str(Number(value=2.0, errorplus=1.0, errorminus=1.0))
         '2.0 +/-1.0'
         >>> str(Number(lowerlimit=2.0))
         '>2.0'
@@ -105,7 +105,7 @@ def __str__(self):
             tempstr += ">" + str(self.lowerlimit)
         return tempstr
 
-    def machine_readable(self, separator="\t", missingval="None"):
+    def machine_readable(self, *, separator="\t", missingval="None"):
         """
         Creates a string intended for a machine to read (ex, gnuplot)
         prints as follows