diff hgext/inotify/client.py @ 6239:39cfcef4f463

Add inotify extension

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hgext/inotify/client.py	Wed Mar 12 15:30:11 2008 -0700
@@ -0,0 +1,55 @@
+# client.py - inotify status client
+#
+# Copyright 2006, 2007, 2008 Bryan O'Sullivan <[e-mail]>
+# Copyright 2007, 2008 Brendan Cully <[e-mail]>
+#
+# This software may be used and distributed according to the terms
+# of the GNU General Public License, incorporated herein by reference.
+
+from mercurial.i18n import gettext as _
+from mercurial import ui
+import common
+import os, select, socket, stat, struct, sys
+
+def query(ui, repo, names, match, list_ignored, list_clean, list_unknown=True):
+    sock = socket.socket(socket.AF_UNIX)
+    sockpath = repo.join('inotify.sock')
+    sock.connect(sockpath)
+
+    def genquery():
+        for n in names or []:
+            yield n
+        states = 'almrx!'
+        if list_ignored:
+            raise ValueError('this is insanity')
+        if list_clean: states += 'n'
+        if list_unknown: states += '?'
+        yield states
+
+    req = '\0'.join(genquery())
+
+    sock.sendall(chr(common.version))
+    sock.sendall(req)
+    sock.shutdown(socket.SHUT_WR)
+
+    cs = common.recvcs(sock)
+    version = ord(cs.read(1))
+
+    if version != common.version:
+        ui.warn(_('(inotify: received response from incompatible server '
+                  'version %d)\n') % version)
+        return None
+
+    try:
+        resphdr = struct.unpack(common.resphdrfmt, cs.read(common.resphdrsize))
+    except struct.error:
+        return None
+
+    def readnames(nbytes):
+        if nbytes:
+            names = cs.read(nbytes)
+            if names:
+                return filter(match, names.split('\0'))
+        return []
+
+    return map(readnames, resphdr)