Fixes missing sqlite3 module in python3 (#398)

Cleanup

recipes/python3/ModulesSetup

@@ -2,9 +2,11 @@
 # Static compilation instructions for all binary modules.
 #####################################################################
 
+*static*
 _asyncio _asynciomodule.c
 _bisect _bisectmodule.c
 _blake2 _blake2/blake2module.c _blake2/blake2b_impl.c _blake2/blake2s_impl.c
+_sqlite3 -I$(srcdir)/Modules/_sqlite -DMODULE_NAME='\"sqlite3\"' _sqlite/cache.c _sqlite/connection.c _sqlite/cursor.c _sqlite/microprotocols.c _sqlite/module.c _sqlite/prepare_protocol.c _sqlite/row.c _sqlite/statement.c _sqlite/util.c
 # _bz2 _bz2module.c -I$(srcdir)/../bzip2/include -L$(srcdir)/../Support/BZip2 -lbz2
 _codecs_cn cjkcodecs/_codecs_cn.c
 _codecs_hk cjkcodecs/_codecs_hk.c
@@ -37,16 +39,6 @@ _sha3 _sha3/sha3module.c
 _sha256 sha256module.c
 _sha512 sha512module.c
 _socket socketmodule.c
-_sqlite3 -I$(srcdir)/Modules/_sqlite -DMODULE_NAME='\"sqlite3\"' -DSQLITE_OMIT_LOAD_EXTENSION -lsqlite3 \
-    _sqlite/cache.c \
-    _sqlite/connection.c \
-    _sqlite/cursor.c \
-    _sqlite/microprotocols.c \
-    _sqlite/module.c \
-    _sqlite/prepare_protocol.c \
-    _sqlite/row.c \
-    _sqlite/statement.c \
-    _sqlite/util.c
 _ssl _ssl.c -lssl -DUSE_SSL
 _struct _struct.c
 array arraymodule.c

recipes/python3/__init__.py

@@ -32,12 +32,39 @@ class Python3Recipe(Recipe):
         self.append_file("ModulesSetup.mobile", "Modules/Setup.local")
         self.apply_patch("xcompile.patch")
         self.set_marker("patched")
+    
+    def postbuild_arch(self, arch):
+        # include _sqlite module to .a
+        py_arch = arch.arch
+        if py_arch == "armv7":
+            py_arch = "arm"
+        elif py_arch == "arm64":
+            py_arch = "aarch64"
+        tmp_folder = "temp.ios-{}-3.7{}".format(py_arch, self.build_dir)
+        build_env = self.get_build_env(arch)
+        for o_file in [
+            "cache.o",
+            "cursor.o",
+            "module.o",
+            "row.o",
+            "util.o",
+            "connection.o",
+            "microprotocols.o",
+            "prepare_protocol.o",
+            "statement.o",
+        ]:
+            shprint(sh.Command(build_env['AR']),
+                    "-r",
+                    "{}/{}".format(self.build_dir, self.library),
+                    "{}/build/{}/Modules/_sqlite/{}".format(self.build_dir, tmp_folder, o_file))
+        print("Added _sqlite to archive")
 
     def get_build_env(self, arch):
         build_env = arch.get_env()
         build_env["PATH"] = "{}:{}".format(
             join(self.ctx.dist_dir, "hostpython3", "bin"),
             os.environ["PATH"])
+        build_env["CFLAGS"] += " --sysroot={}".format(arch.sysroot)
         return build_env
 
     def build_arch(self, arch):
@@ -105,7 +132,15 @@ class Python3Recipe(Recipe):
                 _env=build_env)
         # os.execve("/bin/bash", ["/bin/bash"], os.environ)
         self.reduce_python()
+        self.install_mock_modules()
 
+    def install_mock_modules(self):
+        logger.info("Install mock modules")
+        sqlite3_src = join(self.recipe_dir, 'mock_modules', '_sqlite3')
+        site_packages_folder = join(
+                self.ctx.dist_dir, "root", "python3", "lib", "python3.7", "site-packages", "_sqlite3")
+        shutil.copytree(sqlite3_src, site_packages_folder)
+    
     def reduce_python(self):
         logger.info("Reduce python")
         oldpwd = os.getcwd()

recipes/python3/mock_modules/_sqlite3/__init__.py

@@ -0,0 +1,2 @@
+__version__ = 'kivy-ios'
+from ._sqlite3 import *

recipes/python3/mock_modules/_sqlite3/_sqlite3.cpython-37m-darwin.so

@@ -0,0 +1 @@
+

recipes/python3/mock_modules/_sqlite3/_sqlite3.py

@@ -0,0 +1,10 @@
+"""
+def __bootstrap__():
+    global __bootstrap__, __loader__, __file__
+    import sys, pkg_resources, imp
+    __file__ = pkg_resources.resource_filename(__name__, '_sqlite3.cpython-37m-darwin.so')
+    __loader__ = None; del __bootstrap__, __loader__
+    print("demo")
+    imp.load_dynamic(__name__,__file__)
+__bootstrap__()
+"""

toolchain.py

@@ -236,9 +236,9 @@ class Arch(object):
         ] + include_dirs)
         env["LDFLAGS"] = " ".join([
             "-arch", self.arch,
-            "--sysroot", self.sysroot,
+            # "--sysroot", self.sysroot,
             "-L{}/{}".format(self.ctx.dist_dir, "lib"),
-            "-lsqlite3",
+            "-L{}/usr/lib".format(self.sysroot),
             self.version_min
         ])
         return env