GNU: Add new platform for GNU/Hurd (based off Linux)

TODO: Fix NotImplementedError:
/proc/diskstats nor /sys/block filesystem are available on this system

Signed-off-by: Damien Zammit <damien@zamaudio.com>

MANIFEST.in

@@ -27,6 +27,7 @@ include psutil/_common.py
 include psutil/_compat.py
 include psutil/_psaix.py
 include psutil/_psbsd.py
+include psutil/_psgnu.py
 include psutil/_pslinux.py
 include psutil/_psosx.py
 include psutil/_psposix.py
@@ -35,6 +36,7 @@ include psutil/_psutil_aix.c
 include psutil/_psutil_bsd.c
 include psutil/_psutil_common.c
 include psutil/_psutil_common.h
+include psutil/_psutil_gnu.c
 include psutil/_psutil_linux.c
 include psutil/_psutil_osx.c
 include psutil/_psutil_posix.c
@@ -83,6 +85,16 @@ include psutil/arch/linux/proc.c
 include psutil/arch/linux/proc.h
 include psutil/arch/linux/users.c
 include psutil/arch/linux/users.h
+include psutil/arch/gnu/disk.c
+include psutil/arch/gnu/disk.h
+include psutil/arch/gnu/mem.c
+include psutil/arch/gnu/mem.h
+include psutil/arch/gnu/net.c
+include psutil/arch/gnu/net.h
+include psutil/arch/gnu/proc.c
+include psutil/arch/gnu/proc.h
+include psutil/arch/gnu/users.c
+include psutil/arch/gnu/users.h
 include psutil/arch/netbsd/cpu.c
 include psutil/arch/netbsd/cpu.h
 include psutil/arch/netbsd/disk.c

psutil/__init__.py

@@ -16,6 +16,7 @@
  - NetBSD
  - Sun Solaris
  - AIX
+ - GNU/Hurd
 
 Works with Python versions 2.7 and 3.6+.
 """
@@ -55,6 +56,7 @@
 from ._common import CONN_SYN_SENT
 from ._common import CONN_TIME_WAIT
 from ._common import FREEBSD  # NOQA
+from ._common import GNU
 from ._common import LINUX
 from ._common import MACOS
 from ._common import NETBSD  # NOQA
@@ -106,6 +108,11 @@
     from ._pslinux import IOPRIO_CLASS_NONE  # NOQA
     from ._pslinux import IOPRIO_CLASS_RT  # NOQA
 
+elif GNU:
+    PROCFS_PATH = "/proc"
+    from . import _psgnu as _psplatform
+    from ._psgnu import IOPRIO_CLASS_NONE  # NOQA
+
 elif WINDOWS:
     from . import _pswindows as _psplatform
     from ._psutil_windows import ABOVE_NORMAL_PRIORITY_CLASS  # NOQA

psutil/_common.py

@@ -51,7 +51,7 @@
 __all__ = [
     # OS constants
     'FREEBSD', 'BSD', 'LINUX', 'NETBSD', 'OPENBSD', 'MACOS', 'OSX', 'POSIX',
-    'SUNOS', 'WINDOWS',
+    'SUNOS', 'WINDOWS', 'GNU',
     # connection constants
     'CONN_CLOSE', 'CONN_CLOSE_WAIT', 'CONN_CLOSING', 'CONN_ESTABLISHED',
     'CONN_FIN_WAIT1', 'CONN_FIN_WAIT2', 'CONN_LAST_ACK', 'CONN_LISTEN',
@@ -97,6 +97,7 @@
 BSD = FREEBSD or OPENBSD or NETBSD
 SUNOS = sys.platform.startswith(("sunos", "solaris"))
 AIX = sys.platform.startswith("aix")
+GNU = sys.platform.startswith("gnu")
 
 
 # ===================================================================