code is now escaped instead of base64 [skip ci]

Author: Christopher Doris

pysrc/juliacall/importer.py

@@ -36,27 +36,24 @@ def uninstall(finder):
     sys.meta_path.remove(finder)
 
 def gen_code(jl):
-    jlb = base64.b64encode(jl.encode('utf8')).decode('ascii')
     buf = io.StringIO()
     pr = lambda x: print(x, file=buf)
+    jl2 = jl.replace('\\', '\\\\').replace("'", "\\'")
     pr('# This file was automatically generated by juliacall.importer')
     pr('import juliacall.importer')
-    pr('juliacall.importer.exec_module(__name__, """')
-    for i in range(0, len(jlb), 80):
-        pr(jlb[i:i+80])
-    pr('""")')
+    pr('juliacall.importer.exec_module(__name__,')
+    pr("'''"+jl2+"''')")
     return buf.getvalue()
 
 def gen_file(jl, py):
-    with open(jl) as fp:
+    with open(jl, encoding='utf-8') as fp:
         jlcode = fp.read()
     pycode = gen_code(jlcode)
-    with open(py, 'w') as fp:
+    with open(py, 'w', encoding='utf-8') as fp:
         fp.write(pycode)
 
 def exec_module(name, code):
     pymod = sys.modules[name]
-    code = base64.b64decode(code.encode('ascii')).decode('utf8')
     jlmod = newmodule(name)
     jlmod.seval('begin\n' + code + '\nend')
     delattr(pymod, 'juliacall')