[Console] Fix using windows-curses on Windows

The console tests are still failing on Windows due to an issue where the
sys args are not being correctly replaced in the tests so the pytest
args are being passed to console.

deluge/tests/common.py

@@ -69,7 +69,7 @@ def add_watchdog(deferred, timeout=0.05, message=None):
         return value
 
     deferred.addBoth(callback)
-    watchdog = reactor.callLater(timeout, defer.timeout, deferred)
+    watchdog = reactor.callLater(timeout, defer.Deferred.addTimeout, deferred)
     return watchdog
 
 

deluge/tests/test_client.py

@@ -11,7 +11,7 @@ from twisted.internet import defer
 
 import deluge.component as component
 from deluge import error
-from deluge.common import AUTH_LEVEL_NORMAL, get_localhost_auth, windows_check
+from deluge.common import AUTH_LEVEL_NORMAL, get_localhost_auth
 from deluge.core.authmanager import AUTH_LEVEL_ADMIN
 from deluge.ui.client import Client, DaemonSSLProxy, client
 
@@ -79,10 +79,6 @@ class NoVersionSendingClient(Client):
 
 
 class ClientTestCase(BaseTestCase, DaemonBase):
-
-    if windows_check():
-        skip = 'windows cant start_core not enough arguments for format string'
-
     def set_up(self):
         d = self.common_set_up()
         d.addCallback(self.start_core)

deluge/tests/test_common.py

@@ -8,6 +8,7 @@
 from __future__ import unicode_literals
 
 import os
+import sys
 import tarfile
 
 from twisted.trial import unittest
@@ -98,8 +99,9 @@ class CommonTestCase(unittest.TestCase):
         self.assertTrue(is_infohash('2dc5d0e71a66fe69649a640d39cb00a259704973'))
 
     def test_get_path_size(self):
-        if windows_check():
+        if windows_check() and sys.version_info < (3, 8):
-            raise unittest.SkipTest('os devnull is different on windows')
+            # https://bugs.python.org/issue1311
+            raise unittest.SkipTest('os.devnull returns False on Windows')
         self.assertTrue(get_path_size(os.devnull) == 0)
         self.assertTrue(get_path_size('non-existant.file') == -1)
 

deluge/tests/test_ui_console.py

@@ -9,7 +9,6 @@ from __future__ import unicode_literals
 
 import argparse
 
-from deluge.common import windows_check
 from deluge.ui.console.cmdline.commands.add import Command
 from deluge.ui.console.cmdline.commands.config import json_eval
 from deluge.ui.console.widgets.fields import TextInput
@@ -46,7 +45,6 @@ class UIConsoleFieldTestCase(BaseTestCase):
             complete=False,
         )
         self.assertTrue(t)
-        if not windows_check():
         self.assertTrue(t.handle_read(33))
 
 

deluge/tests/test_ui_entry.py

@@ -19,6 +19,9 @@ from twisted.internet import defer
 
 import deluge
 import deluge.component as component
+import deluge.ui.console
+import deluge.ui.console.cmdline.commands.quit
+import deluge.ui.console.main
 import deluge.ui.web.server
 from deluge.common import PY2, get_localhost_auth, windows_check
 from deluge.ui import ui_entry
@@ -28,11 +31,6 @@ from . import common
 from .basetest import BaseTestCase
 from .daemon_base import DaemonBase
 
-if not windows_check():
-    import deluge.ui.console
-    import deluge.ui.console.cmdline.commands.quit
-    import deluge.ui.console.main
-
 DEBUG_COMMAND = False
 
 sys_stdout = sys.stdout
@@ -102,7 +100,7 @@ class UIWithDaemonBaseTestCase(UIBaseTestCase, DaemonBase):
 class DelugeEntryTestCase(BaseTestCase):
 
     if windows_check():
-        skip = 'cannot test console ui on windows'
+        skip = 'Console ui test on Windows broken due to sys args issue'
 
     def set_up(self):
         common.set_tmp_config_dir()
@@ -250,7 +248,7 @@ class WebUIBaseTestCase(UIBaseTestCase):
 class WebUIScriptEntryTestCase(BaseTestCase, WebUIBaseTestCase):
 
     if windows_check():
-        skip = 'cannot test console ui on windows'
+        skip = 'Console ui test on Windows broken due to sys args issue'
 
     def __init__(self, testname):
         super(WebUIScriptEntryTestCase, self).__init__(testname)
@@ -269,7 +267,7 @@ class WebUIScriptEntryTestCase(BaseTestCase, WebUIBaseTestCase):
 class WebUIDelugeScriptEntryTestCase(BaseTestCase, WebUIBaseTestCase):
 
     if windows_check():
-        skip = 'cannot test console ui on windows'
+        skip = 'Console ui test on Windows broken due to sys args issue'
 
     def __init__(self, testname):
         super(WebUIDelugeScriptEntryTestCase, self).__init__(testname)
@@ -466,7 +464,7 @@ class ConsoleScriptEntryWithDaemonTestCase(
 ):
 
     if windows_check():
-        skip = 'cannot test console ui on windows'
+        skip = 'Console ui test on Windows broken due to sys args issue'
 
     def __init__(self, testname):
         super(ConsoleScriptEntryWithDaemonTestCase, self).__init__(testname)
@@ -492,7 +490,7 @@ class ConsoleScriptEntryWithDaemonTestCase(
 class ConsoleScriptEntryTestCase(BaseTestCase, ConsoleUIBaseTestCase):
 
     if windows_check():
-        skip = 'cannot test console ui on windows'
+        skip = 'Console ui test on Windows broken due to sys args issue'
 
     def __init__(self, testname):
         super(ConsoleScriptEntryTestCase, self).__init__(testname)

deluge/ui/console/main.py

@@ -67,6 +67,14 @@ DEFAULT_CONSOLE_PREFS = {
 }
 
 
+class MockConsoleLog(object):
+    def write(self, data):
+        pass
+
+    def flush(self):
+        pass
+
+
 class ConsoleUI(component.Component, TermResizeHandler):
     def __init__(self, options, cmds, log_stream):
         component.Component.__init__(self, 'ConsoleUI')
@@ -114,6 +122,7 @@ class ConsoleUI(component.Component, TermResizeHandler):
                  all commands are executed. Else None is returned.
         """
         if self.options.parsed_cmds:
+            # Non-Interactive mode
             self.interactive = False
             if not self._commands:
                 print('No valid console commands found')
@@ -122,40 +131,36 @@ class ConsoleUI(component.Component, TermResizeHandler):
             deferred = self.exec_args(self.options)
             reactor.run()
             return deferred
-        else:
+
         # Interactive
-            if deluge.common.windows_check():
+
+        # We use the curses.wrapper function to prevent the console from getting
+        # messed up if an uncaught exception is experienced.
+        try:
+            from curses import wrapper
+        except ImportError:
+            wrapper = None
+
+        if deluge.common.windows_check() and not wrapper:
             print(
                 """\nDeluge-console does not run in interactive mode on Windows. \n
 Please use commands from the command line, e.g.:\n
-    deluge-console.exe help
+deluge-console.exe help
-    deluge-console.exe info
+deluge-console.exe info
-    deluge-console.exe "add --help"
+deluge-console.exe "add --help"
-    deluge-console.exe "add -p c:\\mytorrents c:\\new.torrent"
+deluge-console.exe "add -p c:\\mytorrents c:\\new.torrent"
 """
             )
-            else:
-
-                class ConsoleLog(object):
-                    def write(self, data):
-                        pass
-
-                    def flush(self):
-                        pass
 
         # We don't ever want log output to terminal when running in
         # interactive mode, so insert a dummy here
-                self.log_stream.out = ConsoleLog()
+        self.log_stream.out = MockConsoleLog()
 
         # Set Esc key delay to 0 to avoid a very annoying delay
         # due to curses waiting in case of other key are pressed
         # after ESC is pressed
         os.environ.setdefault('ESCDELAY', '0')
 
-                # We use the curses.wrapper function to prevent the console from getting
-                # messed up if an uncaught exception is experienced.
-                from curses import wrapper
-
         wrapper(self.run)
 
     def quit(self):

deluge/ui/console/modes/basemode.py

@@ -67,7 +67,9 @@ class TermResizeHandler(object):
         try:
             signal.signal(signal.SIGWINCH, self.on_terminal_size)
         except ValueError as ex:
-            log.debug('Unable to catch SIGWINCH signal: %s', ex)
+            log.debug('TermResize unavailable, unable to catch SIGWINCH signal: %s', ex)
+        except AttributeError as ex:
+            log.debug('TermResize unavailable, no SIGWINCH signal on Windows: %s', ex)
 
     def on_terminal_size(self, *args):
         # Get the new rows and cols value

requirements.txt

@@ -9,5 +9,6 @@ six
 setproctitle
 pywin32; sys_platform == 'win32'
 certifi; sys_platform == 'win32'
+windows-curses; sys_platform == 'win32'
 zope.interface>=4.4.2
 distro; 'linux' in sys_platform or 'bsd' in sys_platform