Merge branch 'tmp' into dev

Improve initializing handling

.gitignore

@@ -0,0 +1 @@
+__pycache__

README.md

@@ -1,9 +1,11 @@
 # zsh-vocab
 Have you ever think of a software or a plugin that allows you to recite words at any time?
 Though this tool can't allow you to recite word at any time, it allows you to recite words when using zsh!(Or other powerful shell)
+## Version
+1.05
 
 ## Demo
-![](demo.gif)
+![](pics/demo.gif)
 
 ## screenshots
 ![](screenshots/demo1.png)

UPDATE.md

@@ -1,5 +1,7 @@
+## V 1.05
+Improve initializing handling.
 ## V 1.04
-know now support assign a specific word excpet the last word.
+`know` command now support assign a specific word excpet the last word.
 ## V 1.03
 Command Add: know
 mark a word as known to decrease its probability to appear.

commands.py

@@ -65,8 +65,11 @@ def get_word(namespace):
     except:
         i=0
     words=read()
-    if i==-1:
-        i=len(words)-1
+    if words == []:
+        print("No words in current vocabulary list!", file = stderr)
+        exit()
+    if i == -1:
+        i = len(words)-1
     else:
         while True:
             i+=randint(0,len(words)-1)

include.py

@@ -3,6 +3,10 @@
 from sys import argv
 from sys import stderr
 def read():
+    try:
+        os.mkdir(os.path.expanduser("~/.vocab"))
+    except FileExistsError:
+        pass
     try:
         with open(os.path.expanduser("~/.vocab/data.json"),"r") as f:
             try:
@@ -11,16 +15,23 @@ def read():
                 print(os.path.expanduser("~/.vocab/data.json"+" can't be decoded."),file=stderr)
                 print("See if it's set to a wrong authority",file=stderr)
                 print("or the file is broken",file=stderr)
-                words=[]
+                print("Type Y to clear the file.", file=stderr)
+                if input() == 'Y':
+                    write([])
+                    words=[]
+                else:
+                    exit()
         return words
     except FileNotFoundError:
-        print(os.path.expanduser("~/.vocab/data.json"+" is not found."),file=stderr)
-        print("call "+argv[0]+" help for more information",file=stderr)
+        print(os.path.expanduser("~/.vocab/data.json"), "is not found.", file=stderr)
+        print("Initialize it with an empty list", file=stderr)
+        write([])
+        return []
 
 def write(words):
     try:
         with open(os.path.expanduser("~/.vocab/data.json"),"w") as f:
             json.dump((words),f)
     except FileNotFoundError:
         print(os.path.expanduser("~/.vocab/data.json"+" is not found."),file=stderr)
-        print("call "+argv[0]+" help for more information",file=stderr)
+        print("call "+argv[0]+" --help for more information",file=stderr)