Fix file descriptors (sockets) leak due to leak urlopen requests

autoload/youcompleteme.vim

@@ -773,6 +773,7 @@ function! s:AbortAutohoverRequest() abort
       let request = requests[ request_id ]
       if request.origin == 'autohover'
         call remove( s:pollers.command.requests, request_id )
+        py3 ycm_state.FlushCommandRequest( int( vim.eval( "request_id" ) ) )
         call request.callback( '' )
       endif
     endfor
@@ -1551,7 +1552,7 @@ function! s:PollCommands( timer_id ) abort
 
     " This request is done
     call remove( s:pollers.command.requests, request_id )
-    py3 ycm_state.FlushCommandRequest( vim.eval( "request_id" ) )
+    py3 ycm_state.FlushCommandRequest( int( vim.eval( "request_id" ) ) )
     call request[ 'callback' ]( result )
   endfor
 

python/ycm/unsafe_thread_pool_executor.py

@@ -53,6 +53,10 @@ def _worker( executor_reference, work_queue ):
       work_item = work_queue.get( block=True )
       if work_item is not None:
         work_item.run()
+        # Delete references to object,
+        # whis allow remove object by GC without stuck on work_queue.get()
+        # on next cycle iteration. See GH-60488
+        del work_item
         continue
       executor = executor_reference()
       # Exit if:

test/hover.test.vim

@@ -1,7 +1,3 @@
-function! s:WaitForCommandRequestComplete()
-  return youcompleteme#test#commands#WaitForCommandRequestComplete()
-endfunction
-
 function! s:CheckNoCommandRequest()
   return youcompleteme#test#commands#CheckNoCommandRequest()
 endfunction
@@ -19,7 +15,7 @@ function! s:CheckPopupVisibleScreenPos( loc, text, syntax )
   " has 'text' (a list of lines) and 'syntax' the &syntax setting
   " popup found at that location
   redraw
-  call s:WaitForCommandRequestComplete()
+  call s:CheckNoCommandRequest()
   call WaitForAssert( { ->
         \   assert_notequal( 0,
         \                    popup_locate( a:loc.row, a:loc.col ),
@@ -37,25 +33,21 @@ function! s:CheckPopupVisibleScreenPos( loc, text, syntax )
   call assert_equal( a:syntax, getbufvar( winbufnr( popup ), '&syntax' ) )
 endfunction
 
-function! s:CheckPopupNotVisible( row, col, with_request=v:true )
+function! s:CheckPopupNotVisible( row, col )
   " Takes a buffer position and ensures there is no popup visible at that
   " position. Like CheckPopupVisible, the position must be valid (i.e. there
   " must be buffer text at that position). Otherwise, you need to pass the
   " _screen_ position to CheckPopupNotVisibleScreenPos
   redraw
   let loc = screenpos( win_getid(), a:row, a:col )
-  return s:CheckPopupNotVisibleScreenPos( loc, a:with_request )
+  return s:CheckPopupNotVisibleScreenPos( loc )
 endfunction
 
-function! s:CheckPopupNotVisibleScreenPos( loc, with_request=v:true )
+function! s:CheckPopupNotVisibleScreenPos( loc )
   " Takes a position dict like the one returned by screenpos() and verifies it
   " does not have a popup drawn on it.
   redraw
-  if a:with_request
-    call s:WaitForCommandRequestComplete()
-  else
-    call s:CheckNoCommandRequest()
-  endif
+  call s:CheckNoCommandRequest()
   call WaitForAssert( { ->
         \   assert_equal( 0,
         \                 popup_locate( a:loc.row, a:loc.col ) )
@@ -158,7 +150,7 @@ EOPYTHON
 
   call setpos( '.', [ 0, 12, 3 ] )
   normal \D
-  call s:CheckPopupNotVisible( 11, 4, v:false )
+  call s:CheckPopupNotVisible( 11, 4 )
 
   call popup_clear()
 endfunction
@@ -176,8 +168,8 @@ EOPYTHON
 
   call assert_equal( { 'command': 'GetType', 'syntax': 'python' }, b:ycm_hover )
 
-  call s:CheckPopupNotVisible( 2, 1, v:none )
-  call s:CheckPopupNotVisible( 2, 2, v:none )
+  call s:CheckPopupNotVisible( 2, 1 )
+  call s:CheckPopupNotVisible( 2, 2 )
 
   " some doc - autocommand
   call setpos( '.', [ 0, 12, 3 ] )
@@ -247,7 +239,7 @@ function! Test_AutoHover_Disabled()
 
   call setpos( '.', [ 0, 12, 3 ] )
   silent! doautocmd CursorHold
-  call s:CheckPopupNotVisible( 11, 4, v:false )
+  call s:CheckPopupNotVisible( 11, 4 )
   call assert_equal( messages_before, execute( 'messages' ) )
 
   " Manual hover is still supported
@@ -258,7 +250,7 @@ function! Test_AutoHover_Disabled()
 
   " Manual close hover is still supported
   normal \D
-  call s:CheckPopupNotVisible( 11, 4, v:false )
+  call s:CheckPopupNotVisible( 11, 4 )
   call assert_equal( messages_before, execute( 'messages' ) )
 
   call popup_clear()
@@ -311,11 +303,11 @@ function! Test_Hover_Dismiss()
 
   " Dismiss
   normal \D
-  call s:CheckPopupNotVisible( 11, 3, v:false )
+  call s:CheckPopupNotVisible( 11, 3 )
 
   " Make sure it doesn't come back
   silent! doautocmd CursorHold
-  call s:CheckPopupNotVisible( 11, 3, v:false )
+  call s:CheckPopupNotVisible( 11, 3 )
 
   " Move the cursor (again this is tricky). I couldn't find any tests in vim's
   " own code that trigger CursorMoved, so we just cheat. (for the record, just
@@ -351,7 +343,7 @@ function! Test_Hover_Custom_Syntax()
                                    \ 'cpp' )
 
   normal \D
-  call s:CheckPopupNotVisibleScreenPos( { 'row': 7, 'col': 9 }, v:false )
+  call s:CheckPopupNotVisibleScreenPos( { 'row': 7, 'col': 9 } )
 
   call popup_clear()
 endfunction
@@ -424,10 +416,10 @@ function! Test_Hover_Custom_Popup()
                                    \ s:cpp_lifetime.GetDoc,
                                    \ 'cpp' )
   " Check that popup's width is limited by maxwidth being passed
-  call s:CheckPopupNotVisibleScreenPos( { 'row': 7, 'col': 20 }, v:false )
+  call s:CheckPopupNotVisibleScreenPos( { 'row': 7, 'col': 20 } )
 
   normal \D
-  call s:CheckPopupNotVisibleScreenPos( { 'row': 7, 'col': 9 }, v:false )
+  call s:CheckPopupNotVisibleScreenPos( { 'row': 7, 'col': 9 } )
 
   call popup_clear()
 endfunction
@@ -446,8 +438,8 @@ function! Test_Long_Single_Line()
   call s:CheckPopupVisible( 36, 1, v:none, '' )
   call s:CheckPopupVisible( 36, &columns, v:none, '' )
 
-  call s:CheckPopupNotVisible( 37, 1, v:false )
-  call s:CheckPopupNotVisible( 37, &columns, v:false )
+  call s:CheckPopupNotVisible( 37, 1 )
+  call s:CheckPopupNotVisible( 37, &columns )
 
   " Also wrap is ON so it should cover at least 2 lines + 2 for the header/empty
   " line
@@ -469,16 +461,16 @@ function! Test_Long_Wrapped()
   call s:CheckPopupVisible( 37, 1, v:none, '' )
   call s:CheckPopupVisible( 37, &columns, v:none, '' )
 
-  call s:CheckPopupNotVisible( 38, 1, v:false )
-  call s:CheckPopupNotVisible( 38, &columns, v:false )
+  call s:CheckPopupNotVisible( 38, 1 )
+  call s:CheckPopupNotVisible( 38, &columns )
 
   " Also, wrap is off, so it should be _exactly_ 9 lines + 2 for the signature
   " and the empty line
   call s:CheckPopupVisible( 27, 1, v:none, '' )
   call s:CheckPopupVisible( 27, &columns, v:none, '' )
 
-  call s:CheckPopupNotVisible( 26, 1, v:false )
-  call s:CheckPopupNotVisible( 26, &columns, v:false )
+  call s:CheckPopupNotVisible( 26, 1 )
+  call s:CheckPopupNotVisible( 26, &columns )
 
   call popup_clear()
 endfunction

test/lib/autoload/youcompleteme/test/commands.vim

@@ -1,18 +1,3 @@
-function! youcompleteme#test#commands#WaitForCommandRequestComplete() abort
-  call WaitForAssert( { ->
-        \ assert_true( py3eval(
-        \     'ycm_state.GetCommandRequest( '
-        \   . '  ycm_state._next_command_request_id - 1 ) is not None and '
-        \   . 'ycm_state.GetCommandRequest(  '
-        \   . '  ycm_state._next_command_request_id - 1 ).Done()' ) )
-        \ } )
-
-  call WaitForAssert( { ->
-        \ assert_equal( -1,
-        \               youcompleteme#Test_GetPollers().command.id )
-        \ } )
-endfunction
-
 function! youcompleteme#test#commands#CheckNoCommandRequest() abort
   call WaitForAssert( { ->
         \ assert_true( py3eval(