Add GPG binary availability checking.

mailpile · Dec 20, 2013 · 71587a0 · 71587a0
1 parent d242c9e
commit 71587a0
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/mailpile/gpgi.py b/mailpile/gpgi.py
@@ -181,6 +181,7 @@ class GnuPG:
     """
 
     def __init__(self):
+        self.available = None
         self.gpgbinary = 'gpg'
         self.passphrase = None
         self.fds = {"passphrase": True, 
@@ -470,6 +471,15 @@ def run(self, args=[], callbacks={}, output=None, debug=False):
 
         return proc.returncode, retvals
 
+    def is_available(self):
+        try:
+            retvals = self.run(["--version"])
+            self.available = True
+        except OSError:
+            self.available = False
+
+        return self.available
+
     def list_keys(self):
         """
         >>> g = GnuPG()