fix creator mkdir issues and add all test for travis-ci

paddle_hub/module_creator.py

@@ -20,6 +20,7 @@ import paddle_hub.module_desc_pb2 as modulepb
 import paddle.fluid as fluid
 from paddle_hub.utils import to_list
 from paddle_hub.signature import Signature
+from paddle_hub.module import mkdir
 
 import os
 
@@ -31,13 +32,12 @@ def create_module(sign_arr, program, path=None, assets=None):
 
     if not path:
         path = os.path.join(".", "hub_module")
-
-    assert not os.path.exists(path), "path %s should not be existed" % path
+    # create module path for saving
+    mkdir(path)
 
     module = modulepb.ModuleDesc()
     program = program.clone()
 
-    os.makedirs(path)
     # TODO(wuzewu): save assets data
     if not assets:
         module.contain_assets = False

tests/tclist_all

 test_downloader
+test_export_n_load_module
+test_module
+test_train_w2v

tests/test_train_w2v.py

@@ -92,7 +92,6 @@ def train():
 
     for epoch in range(0, PASS_NUM):
         for mini_batch in batch_reader():
-            # 定义输入变量
             feed_var_list = [
                 main_program.global_block().var("firstw"),
                 main_program.global_block().var("secondw"),
@@ -105,9 +104,9 @@ def train():
                 main_program,
                 feed=feeder.feed(mini_batch),
                 fetch_list=[avg_cost])
-            print("Cost = %f" % cost[0])
+        print("Epoch {} Cost = {}".format(epoch, cost[0]))
 
-    model_dir = "./w2v_model"
+    model_dir = "./tmp/w2v_model"
     var_list_to_saved = [main_program.global_block().var("embedding")]
     print("saving model to %s" % model_dir)
     fluid.io.save_vars(