Add missing GZIP creation to 7z modules.

doc/changelog.txt

@@ -1,3 +1,9 @@
+1.4 (released xx.xx.2013)
+
+* Add missing GZIP creation support for 7z modules.
+  Closes: GH bug #6
+
+
 1.3 (released 19.7.2013)
 
 * Add patoolib.__version__ (see PEP 396).

patoolib/programs/p7azip.py

@@ -44,4 +44,5 @@ from .p7zip import \
   test_cab, \
   test_7z, \
   create_7z, \
-  create_zip
+  create_zip, \
+  create_gzip

patoolib/programs/p7zip.py

@@ -90,4 +90,5 @@ def create_7z (archive, compression, cmd, verbosity, filenames):
 
 create_zip = \
   create_xz = \
+  create_gzip = \
   create_7z

tests/archives/test_7z.py

@@ -58,6 +58,7 @@ class Test7z (ArchiveTest):
         self.archive_test('t.rpm')
         self.archive_test('t.deb')
         self.archive_test('t.iso')
+        self.archive_create('t.txt.gz', check=Content.Singlefile)
 
     @needs_codec(program, 'rar')
     def test_7z_rar (self):

tests/archives/test_7za.py

@@ -40,6 +40,7 @@ class Test7za (ArchiveTest):
         self.archive_test('t.jar')
         self.archive_test('t.txt.Z')
         self.archive_test('t.cab')
+        self.archive_create('t.txt.gz', check=Content.Singlefile)
 
     @needs_program('file')
     @needs_program(program)