fix: Use sequencify for converting tuples to list

achillesrasquinha · Feb 10, 2019 · 36326c4 · 36326c4
1 parent 9acdf9f
commit 36326c4
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/pipupgrade/_pip.py b/src/pipupgrade/_pip.py
@@ -9,6 +9,7 @@
 from pipupgrade.util.system  import which, popen
 from pipupgrade.util.string  import kebab_case
 from pipupgrade.util.environ import value_to_envval
+from pipupgrade.util.types   import sequencify
 
 PIP9 = int(pip.__version__.split(".")[0]) < 10
 
@@ -46,7 +47,7 @@ def _get_pip_executable():
 def call(*args, **kwargs):
     pip_exec = kwargs.pop("pip_exec", _PIP_EXECUTABLE)
 
-    params   = [pip_exec] + args
+    params   = sequencify(pip_exec) + sequencify(args)
 
     for flag, value in iteritems(kwargs):
         if value != False:

diff --git a/src/pipupgrade/util/types.py b/src/pipupgrade/util/types.py
@@ -58,4 +58,9 @@ def auto_typecast(value):
         except (KeyError, ValueError, TypeError):
             pass
 
+    return value
+
+def sequencify(value, type_ = list):
+    if not isinstance(value, (list, tuple)):
+        value = type_([value])
     return value