try to understand how heroku installed python [8]

plugins/python/uwsgiplugin.py

@@ -2,6 +2,14 @@ import os,sys
 
 from distutils import sysconfig
 
+def get_python_version():
+    version = sysconfig.get_config_var('VERSION')
+    try:
+        version = version + sys.abiflags
+    except:
+        pass
+    return version
+
 NAME='python'
 GCC_LIST = ['python_plugin', 'pyutils', 'pyloader', 'wsgi_handlers', 'wsgi_headers', 'wsgi_subhandler', 'web3_subhandler', 'pump_subhandler', 'gil', 'uwsgi_pymodule', 'profiler', 'symimporter', 'tracebacker']
 
@@ -14,16 +22,17 @@ LDFLAGS = []
 
 if not 'UWSGI_PYTHON_NOLIB' in os.environ:
     LIBS = sysconfig.get_config_var('LIBS').split() + sysconfig.get_config_var('SYSLIBS').split()
+    # check if it is a non-shared build (but please, add --enable-shared to your python's ./configure script)
     if not sysconfig.get_config_var('Py_ENABLE_SHARED'):
         libdir = sysconfig.get_config_var('LIBPL')
-        print("LIBDIR = %s" % libdir)
-        print(os.listdir(libdir))
-        print("BASE = %s" % sysconfig.get_config_var('base'))
+        # libdir does not exists, try to get it from the venv
         if not os.path.exists(libdir):
-            libdir = sysconfig.get_config_var('srcdir')
+            libdir = '%s/lib/python%s/config' % (sysconfig.get_config_var('base'), get_python_version())
         libpath = '%s/%s' % (libdir, sysconfig.get_config_var('LDLIBRARY'))
         if not os.path.exists(libpath): 
             libpath = '%s/%s' % (libdir, sysconfig.get_config_var('LIBRARY'))
+        if not os.path.exists(libpath): 
+            libpath = '%s/libpython%s.a' % (libdir, get_python_version())
         LIBS.append(libpath)
     else:
         try:
@@ -33,12 +42,6 @@ if not 'UWSGI_PYTHON_NOLIB' in os.environ:
             LDFLAGS.append("-L%s/lib" % sysconfig.PREFIX)
             os.environ['LD_RUN_PATH'] = "%s/lib" % sysconfig.PREFIX
 
-
-        version = sysconfig.get_config_var('VERSION')
-        try:
-            version = version + sys.abiflags
-        except:
-            pass
-        LIBS.append('-lpython' + version)
+        LIBS.append('-lpython%s' % get_python_version())
 else:
     LIBS = []