Allow launching of calibre worker process in-tree

setup/__init__.py

@@ -16,10 +16,12 @@ isnetbsd = 'netbsd' in sys.platform
 isdragonflybsd = 'dragonfly' in sys.platform
 isbsd = isnetbsd or isfreebsd or isdragonflybsd
 islinux = not isosx and not iswindows and not isbsd
-SRC = os.path.abspath('src')
+sys.setup_dir = os.path.dirname(os.path.abspath(__file__))
+SRC = os.path.abspath(os.path.join(os.path.dirname(sys.setup_dir), 'src'))
 sys.path.insert(0, SRC)
 sys.resources_location = os.path.join(os.path.dirname(SRC), 'resources')
 sys.extensions_location = os.path.join(SRC, 'calibre', 'plugins')
+sys.running_from_setup = True
 
 __version__ = __appname__ = modules = functions = basenames = scripts = None
 

setup/run-calibre-worker.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python2
+# vim:fileencoding=utf-8
+# License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
+
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
+import sys, os
+sys.setup_dir = os.path.dirname(os.path.abspath(__file__))
+SRC = os.path.abspath(os.path.join(os.path.dirname(sys.setup_dir), 'src'))
+sys.path.insert(0, SRC)
+sys.resources_location = os.path.join(os.path.dirname(SRC), 'resources')
+sys.extensions_location = os.path.join(SRC, 'calibre', 'plugins')
+sys.running_from_setup = True
+
+from calibre.utils.ipc.worker import main
+print(111111111111)
+sys.exit(main())

src/calibre/utils/ipc/launch.py

@@ -55,6 +55,8 @@ class Worker(object):
 
     @property
     def executable(self):
+        if hasattr(sys, 'running_from_setup'):
+            return [sys.executable, os.path.join(sys.setup_dir, 'run-calibre-worker.py')]
         e = self.exe_name
         if iswindows:
             return os.path.join(os.path.dirname(sys.executable),
@@ -73,7 +75,7 @@ class Worker(object):
 
     @property
     def gui_executable(self):
-        if isosx:
+        if isosx and not hasattr(sys, 'running_from_setup'):
             if self.job_name in {'ebook-viewer', 'ebook-edit'}:
                 return self.executable.replace('/console.app/', '/%s.app/' % self.job_name)
             return os.path.join(sys.binaries_path, self.exe_name)
@@ -181,7 +183,7 @@ class Worker(object):
         _cwd = cwd
         if priority is None:
             priority = prefs['worker_process_priority']
-        cmd = [exe]
+        cmd = [exe] if isinstance(exe, basestring) else exe
         args = {
                 'env' : env,
                 'cwd' : _cwd,

src/calibre/utils/ipc/simple_worker.py

@@ -123,11 +123,9 @@ def create_worker(env, priority='normal', cwd=None, func='main'):
 
     env = dict(env)
     env.update({
-                'CALIBRE_WORKER_ADDRESS' :
-                    hexlify(cPickle.dumps(listener.address, -1)),
-                'CALIBRE_WORKER_KEY' : hexlify(auth_key),
-                'CALIBRE_SIMPLE_WORKER':
-                            'calibre.utils.ipc.simple_worker:%s' % func,
+        'CALIBRE_WORKER_ADDRESS': hexlify(cPickle.dumps(listener.address, -1)),
+        'CALIBRE_WORKER_KEY': hexlify(auth_key),
+        'CALIBRE_SIMPLE_WORKER': 'calibre.utils.ipc.simple_worker:%s' % func,
     })
 
     w = Worker(env)
@@ -157,7 +155,9 @@ def start_pipe_worker(command, env=None, priority='normal', **process_args):
         args['preexec_fn'] = partial(renice, niceness)
         args['close_fds'] = True
 
-    p = subprocess.Popen([w.executable, '--pipe-worker', command], **args)
+    exe = w.executable
+    cmd = [exe] if isinstance(exe, basestring) else exe
+    p = subprocess.Popen(cmd + ['--pipe-worker', command], **args)
     return p
 
 def fork_job(mod_name, func_name, args=(), kwargs={}, timeout=300,  # seconds