Deprecate the --priority option.

doc/changelog.txt

@@ -14,6 +14,7 @@ Fixes:
 Changes:
 - gui: Use Alt-key shortcuts for menu entries.
 - checking: Improved thread locking and reduce calls to time.sleep().
+- cmdline: Deprecated the --priority commandline option.
 
 Features:
 - checking: Added support for Google Chrome bookmark files.

doc/de/linkchecker.1

@@ -68,10 +68,6 @@ Generiere nicht mehr als die angegebene Anzahl von Threads. Standard Anzahl
 von Threads ist 10. Um Threads zu deaktivieren, geben Sie eine nicht
 positive Nummer an.
 .TP 
-\fB\-\-priority\fP
-Starte mit normaler Threadpriorität. Als Standard läuft LinkChecker mit
-niedriger Threadpriorität, um als Hintergrundprozess geeignet zu sein.
-.TP 
 \fB\-V\fP, \fB\-\-version\fP
 Gebe die Version aus und beende das Programm.
 .TP 

doc/en/linkchecker.1

@@ -67,10 +67,6 @@ Ask for URL if none are given on the commandline.
 Generate no more than the given number of threads. Default number
 of threads is 10. To disable threading specify a non-positive number.
 .TP
-\fB\-\-priority\fP
-Run with normal thread scheduling priority. Per default LinkChecker runs
-with low thread priority to be suitable as a background job.
-.TP
 \fB\-V\fP, \fB\-\-version\fP
 Print version and exit.
 .TP

linkcheck/threader.py

@@ -17,52 +17,7 @@
 """
 Support for managing threads.
 """
-
-import os
 import threading
-try:
-    import win32process
-    has_win32process = True
-except ImportError:
-    has_win32process = False
-from .containers import enum
-
-# generic thread priorities with mappings to Windows and Unix
-# priority values
-Prio = enum("high", "normal", "low")
-
-_posix_nice_val = {
-    Prio.high: -5,
-    Prio.normal: +0,
-    Prio.low: +10,
-}
-if has_win32process:
-    if hasattr(win32process, "BELOW_NORMAL_PRIORITY_CLASS"):
-        low = win32process.BELOW_NORMAL_PRIORITY_CLASS
-    else:
-        low = win32process.IDLE_PRIORITY_CLASS
-    if hasattr(win32process, "ABOVE_NORMAL_PRIORITY_CLASS"):
-        high = win32process.ABOVE_NORMAL_PRIORITY_CLASS
-    else:
-        high = win32process.HIGH_PRIORITY_CLASS
-    _nt_prio_val = {
-        Prio.high: high,
-        Prio.normal: win32process.NORMAL_PRIORITY_CLASS,
-        Prio.low: low,
-    }
-    del low, high
-
-
-def set_thread_priority (prio):
-    """Set priority of this thread (and thus also for all spawned threads)."""
-    if os.name == 'nt' and has_win32process:
-        res = win32process.SetPriorityClass(
-                   win32process.GetCurrentProcess(), _nt_prio_val[prio])
-    elif os.name == 'posix':
-        res = os.nice(_posix_nice_val[prio])
-    else:
-        res = None
-    return res
 
 
 class StoppableThread (threading.Thread):

linkchecker

@@ -345,9 +345,7 @@ group.add_option("-t", "--threads", type="int", dest="threads",
 """Generate no more than the given number of threads. Default number
 of threads is 10. To disable threading specify a non-positive number."""))
 group.add_option("--priority", action="store_true", dest="priority",
-                 help=_(
-"""Run with normal thread scheduling priority. Per default LinkChecker
-runs with low thread priority to be suitable as a background job."""))
+                 help=_("""This option is deprecated and does nothing."""))
 group.add_option("-V", "--version", action="store_true", dest="version",
                  help=_("""Print version and exit."""))
 group.add_option("--allow-root", action="store_true", dest="allowroot",
@@ -598,9 +596,6 @@ if options.debug and not __debug__:
 # apply commandline options and arguments to configuration
 constructauth = False
 do_profile = False
-if not options.priority:
-    import linkcheck.threader
-    linkcheck.threader.set_thread_priority(linkcheck.threader.Prio.low)
 if options.warnings is not None:
     config["warnings"] = options.warnings
 if options.anchors is not None: