python/multiprocessing build process + clean/dist options

winbuild/build.py

@@ -1,4 +1,8 @@
-#/usr/bin/env python34
+#/usr/bin/env python3
+
+import subprocess, multiprocessing
+import shutil
+import sys, getopt
 
 from config import *
 
@@ -10,6 +14,29 @@ def setup_vms():
                        (py, arch, VIRT_BASE, py, arch))
     return "\n".join(ret)
 
+def run_script(params):
+    (version, script) = params
+    try:
+        print ("Running %s" %version)
+        filename = 'build_pillow_%s.cmd' % version
+        with open(filename, 'w') as f:
+            f.write(script)
+
+        command = ['powershell', "./%s" %filename]
+        proc = subprocess.Popen(command, 
+                                stdin=subprocess.PIPE,
+                                stdout=subprocess.PIPE,
+                                stderr=subprocess.PIPE,
+                                )
+        (trace, stderr) = proc.communicate()
+        status = proc.returncode
+        print ("Done with %s: %s" % (version, status))
+        return (version, status, trace, stderr)
+    except Exception as msg:
+        print ("Error with %s: %s" % (version, str(msg)))
+        return (version, -1, "", str(msg))
+               
+
 def header(op):
    return r"""
 setlocal
@@ -37,19 +64,53 @@ set INCLUDE=%%INCLUDE%%;%%INCLIB%%\%(inc_dir)s;%%INCLIB%%\tcl85\include
 
 setlocal
 set LIB=%%LIB%%;C:\Python%(py_ver)s\tcl
-rd /q /s build
 call c:\vp\%(py_ver)s\Scripts\python.exe setup.py %%BLDOPT%%
 endlocal
 
 endlocal
 """ % args
 
-script = [setup_vms(), header('install')]
-for py_version, compiler_version in pythons.items():
-    script.append(build_one(py_version, compilers[(compiler_version, 32)]))
-    script.append(build_one("%sx64" %py_version, compilers[(compiler_version, 64)]))
-script.append(footer())
+def clean():
+    try:
+        shutil.rmtree('../build')
+    except:
+        # could already be removed
+        pass
+    run_script(('virtualenvs', setup_vms()))
 
-with open('build_pillows.cmd', 'w') as f:
-    f.write("\n".join(script))
+def main(op):
+    scripts = []
 
+    for py_version, compiler_version in pythons.items():
+        scripts.append((py_version, 
+                        "\n".join([header(op),
+                                   build_one(py_version, 
+                                             compilers[(compiler_version, 32)]),
+                                   footer()])))
+        
+        scripts.append(("%sx64" % py_version,
+                        "\n".join([header(op), 
+                                   build_one("%sx64" %py_version, 
+                                             compilers[(compiler_version, 64)]),
+                                   footer()])))
+    
+    pool = multiprocessing.Pool()
+    results = pool.map(run_script, scripts)
+    
+    for (version, status, trace, err) in results:
+        print ("Compiled %s: %s" % (version, status))
+        
+
+
+if __name__=='__main__':
+    opts, args = getopt.getopt(sys.argv[1:], '', ['clean', 'dist'])
+    opts = dict(opts)    
+
+    if '--clean' in opts:
+        clean()
+    
+    op = 'install'
+    if '--dist' in opts:
+        op = "bdist_wininst --user-access-control=auto"
+                               
+    main(op)