[Pkg-gnupg-commit] [gpgme] 94/412: python: Raise exceptions on write errors.

[Daniel Kahn Gillmor]

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dkg pushed a commit to branch master
in repository gpgme.

commit c5d118b2a76e9528df780d11da9566ff7c22e4f5
Author: Justus Winter <justus at gnupg.org>
Date:   Thu May 12 18:00:16 2016 +0200

    python: Raise exceptions on write errors.
    
    * lang/python/pyme/core.py (Data.write): Handle errors.
    * lang/python/pyme/errors.py (GPGMEError.fromSyserror): New function.
    
    Signed-off-by: Justus Winter <justus at gnupg.org>
---
 lang/python/pyme/core.py   | 5 ++++-
 lang/python/pyme/errors.py | 4 ++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lang/python/pyme/core.py b/lang/python/pyme/core.py
index dafbd9b..1d6e384 100644
--- a/lang/python/pyme/core.py
+++ b/lang/python/pyme/core.py
@@ -394,7 +394,10 @@ class Data(GpgmeWrapper):
         """Write buffer given as string or bytes.
 
         If a string is given, it is implicitly encoded using UTF-8."""
-        return pygpgme.gpgme_data_write(self.wrapped, buffer)
+        written = pygpgme.gpgme_data_write(self.wrapped, buffer)
+        if written < 0:
+            raise GPGMEError.fromSyserror()
+        return written
 
     def read(self, size = -1):
         """Read at most size bytes, returned as bytes.
diff --git a/lang/python/pyme/errors.py b/lang/python/pyme/errors.py
index 37d0fe6..5c8f922 100644
--- a/lang/python/pyme/errors.py
+++ b/lang/python/pyme/errors.py
@@ -23,6 +23,10 @@ class GPGMEError(Exception):
         self.error = error
         self.message = message
 
+    @classmethod
+    def fromSyserror(cls):
+        return cls(pygpgme.gpgme_err_code_from_syserror())
+
     def getstring(self):
         message = "%s: %s" % (pygpgme.gpgme_strsource(self.error),
                               pygpgme.gpgme_strerror(self.error))

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