diff -r 4ff37fbcd4e8 Doc/library/compileall.rst
--- a/Doc/library/compileall.rst	Wed Apr 23 15:37:37 2014 -0500
+++ b/Doc/library/compileall.rst	Wed Apr 23 18:28:22 2014 -0700
@@ -38,7 +38,8 @@
 
 .. cmdoption:: -q
 
-   Do not print the list of files compiled, print only error messages.
+   Do not print the list of files compiled. If passed once, error messages will
+   still be printed. If passed twice (``-qq``), all output is suppressed.
 
 .. cmdoption:: -d destdir
 
@@ -76,7 +77,7 @@
 Public functions
 ----------------
 
-.. function:: compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None, quiet=False, legacy=False, optimize=-1)
+.. function:: compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None, quiet=0, legacy=False, optimize=-1)
 
    Recursively descend the directory tree named by *dir*, compiling all :file:`.py`
    files along the way.
@@ -97,8 +98,9 @@
    file considered for compilation, and if it returns a true value, the file
    is skipped.
 
-   If *quiet* is true, nothing is printed to the standard output unless errors
-   occur.
+   If *quiet* is 0 (the default), the filenames and other information are
+   printed to standard out. Set to 1, only errors are printed. Set to 2, all
+   output is suppressed.
 
    If *legacy* is true, byte-code files are written to their legacy locations
    and names, which may overwrite byte-code files created by another version of
@@ -112,8 +114,10 @@
    .. versionchanged:: 3.2
       Added the *legacy* and *optimize* parameter.
 
+   .. versionchanged:: 3.5
+      Added level 2 (no output) option to *quiet*.
 
-.. function:: compile_file(fullname, ddir=None, force=False, rx=None, quiet=False, legacy=False, optimize=-1)
+.. function:: compile_file(fullname, ddir=None, force=False, rx=None, quiet=0, legacy=False, optimize=-1)
 
    Compile the file with path *fullname*.
 
@@ -127,8 +131,9 @@
    file being compiled, and if it returns a true value, the file is not
    compiled and ``True`` is returned.
 
-   If *quiet* is true, nothing is printed to the standard output unless errors
-   occur.
+   If *quiet* is 0 (the default), the filenames and other information are
+   printed to standard out. Set to 1, only errors are printed. Set to 2, all
+   output is suppressed.
 
    If *legacy* is true, byte-code files are written to their legacy locations
    and names, which may overwrite byte-code files created by another version of
@@ -141,8 +146,10 @@
 
    .. versionadded:: 3.2
 
+   .. versionchanged:: 3.5
+      Added level 2 (no output) option to *quiet*.
 
-.. function:: compile_path(skip_curdir=True, maxlevels=0, force=False, legacy=False, optimize=-1)
+.. function:: compile_path(skip_curdir=True, maxlevels=0, force=False, quiet=0, legacy=False, optimize=-1)
 
    Byte-compile all the :file:`.py` files found along ``sys.path``. If
    *skip_curdir* is true (the default), the current directory is not included
@@ -153,6 +160,8 @@
    .. versionchanged:: 3.2
       Added the *legacy* and *optimize* parameter.
 
+   .. versionchanged:: 3.5
+      Added level 2 (no output) option to *quiet*.
 
 To force a recompile of all the :file:`.py` files in the :file:`Lib/`
 subdirectory and all its subdirectories::
diff -r 4ff37fbcd4e8 Lib/compileall.py
--- a/Lib/compileall.py	Wed Apr 23 15:37:37 2014 -0500
+++ b/Lib/compileall.py	Wed Apr 23 18:28:22 2014 -0700
@@ -19,7 +19,7 @@
 __all__ = ["compile_dir","compile_file","compile_path"]
 
 def compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None,
-                quiet=False, legacy=False, optimize=-1):
+                quiet=0, legacy=False, optimize=-1):
     """Byte-compile all modules in the given directory tree.
 
     Arguments (only dir is required):
@@ -29,7 +29,7 @@
     ddir:      the directory that will be prepended to the path to the
                file as it is compiled into each byte-code file.
     force:     if True, force compilation, even if timestamps are up-to-date
-    quiet:     if True, be quiet during compilation
+    quiet:     full output with 0, errors only with 1, no output with 2
     legacy:    if True, produce legacy pyc paths instead of PEP 3147 paths
     optimize:  optimization level or -1 for level of the interpreter
     """
@@ -38,7 +38,8 @@
     try:
         names = os.listdir(dir)
     except OSError:
-        print("Can't list {!r}".format(dir))
+        if quiet < 2:
+            print("Can't list {!r}".format(dir))
         names = []
     names.sort()
     success = 1
@@ -61,7 +62,7 @@
                 success = 0
     return success
 
-def compile_file(fullname, ddir=None, force=False, rx=None, quiet=False,
+def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0,
                  legacy=False, optimize=-1):
     """Byte-compile one file.
 
@@ -71,7 +72,7 @@
     ddir:      if given, the directory name compiled in to the
                byte-code file.
     force:     if True, force compilation, even if timestamps are up-to-date
-    quiet:     if True, be quiet during compilation
+    quiet:     full output with 0, errors only with 1, no output with 2
     legacy:    if True, produce legacy pyc paths instead of PEP 3147 paths
     optimize:  optimization level or -1 for level of the interpreter
     """
@@ -114,7 +115,10 @@
                 ok = py_compile.compile(fullname, cfile, dfile, True,
                                         optimize=optimize)
             except py_compile.PyCompileError as err:
-                if quiet:
+                success = 0
+                if quiet >= 2:
+                    return success
+                elif quiet:
                     print('*** Error compiling {!r}...'.format(fullname))
                 else:
                     print('*** ', end='')
@@ -123,20 +127,21 @@
                                      errors='backslashreplace')
                 msg = msg.decode(sys.stdout.encoding)
                 print(msg)
+            except (SyntaxError, UnicodeError, OSError) as e:
                 success = 0
-            except (SyntaxError, UnicodeError, OSError) as e:
-                if quiet:
+                if quiet >= 2:
+                    return success
+                elif quiet:
                     print('*** Error compiling {!r}...'.format(fullname))
                 else:
                     print('*** ', end='')
                 print(e.__class__.__name__ + ':', e)
-                success = 0
             else:
                 if ok == 0:
                     success = 0
     return success
 
-def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=False,
+def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=0,
                  legacy=False, optimize=-1):
     """Byte-compile all module on sys.path.
 
@@ -145,14 +150,15 @@
     skip_curdir: if true, skip current directory (default True)
     maxlevels:   max recursion level (default 0)
     force: as for compile_dir() (default False)
-    quiet: as for compile_dir() (default False)
+    quiet: as for compile_dir() (default 0)
     legacy: as for compile_dir() (default False)
     optimize: as for compile_dir() (default -1)
     """
     success = 1
     for dir in sys.path:
         if (not dir or dir == os.curdir) and skip_curdir:
-            print('Skipping current directory')
+            if quiet < 2:
+                print('Skipping current directory')
         else:
             success = success and compile_dir(dir, maxlevels, None,
                                               force, quiet=quiet,
@@ -171,8 +177,9 @@
                         help="don't recurse into subdirectories")
     parser.add_argument('-f', action='store_true', dest='force',
                         help='force rebuild even if timestamps are up to date')
-    parser.add_argument('-q', action='store_true', dest='quiet',
-                        help='output only error messages')
+    parser.add_argument('-q', action='count', dest='quiet', default=0,
+                        help='output only error messages; -qq will suppress '
+                             'the error messages as well.')
     parser.add_argument('-b', action='store_true', dest='legacy',
                         help='use legacy (pre-PEP3147) compiled file locations')
     parser.add_argument('-d', metavar='DESTDIR',  dest='ddir', default=None,
@@ -210,7 +217,8 @@
                 for line in f:
                     compile_dests.append(line.strip())
         except OSError:
-            print("Error reading file list {}".format(args.flist))
+            if args.quiet < 2:
+                print("Error reading file list {}".format(args.flist))
             return False
 
     success = True
@@ -231,7 +239,8 @@
             return compile_path(legacy=args.legacy, force=args.force,
                                 quiet=args.quiet)
     except KeyboardInterrupt:
-        print("\n[interrupted]")
+        if args.quiet < 2:
+            print("\n[interrupted]")
         return False
     return True
 
diff -r 4ff37fbcd4e8 Lib/test/test_compileall.py
--- a/Lib/test/test_compileall.py	Wed Apr 23 15:37:37 2014 -0500
+++ b/Lib/test/test_compileall.py	Wed Apr 23 18:28:22 2014 -0700
@@ -278,6 +278,13 @@
         quiet = self.assertRunOK('-q', self.pkgdir)
         self.assertNotEqual(b'', noisy)
         self.assertEqual(b'', quiet)
+    
+    def test_silent(self):
+        script_helper.make_script(self.pkgdir, 'crunchyfrog', 'bad(syntax')
+        _, quiet, _ = self.assertRunNotOK('-q', self.pkgdir)
+        _, silent, _ = self.assertRunNotOK('-qq', self.pkgdir)
+        self.assertNotEqual(b'', quiet)
+        self.assertEqual(b'', silent)
 
     def test_regexp(self):
         self.assertRunOK('-q', '-x', r'ba[^\\/]*$', self.pkgdir)