From a4ed41915620408e13313d9e523536440e46ac8c Mon Sep 17 00:00:00 2001
From: Gena Batalski <Ghenadii.Batalski@gmail.com>
Date: Sun, 11 Feb 2018 13:27:45 +0100
Subject: [PATCH] Minor improvements (#5)

* folder build shoud be ignored

* added hint about gTTS support to get vernie chatter

* determines full path to vernie.commands

* catches tts exception if an empty text passed to `say` command
---
 .gitignore                           | 3 ++-
 README.md                            | 4 +++-
 examples/vernie/__init__.py          | 9 +++++++--
 examples/vernie/run_commands_file.py | 2 +-
 4 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/.gitignore b/.gitignore
index bd88afc..4775f0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .idea
 *.iml
-*.pyc
\ No newline at end of file
+*.pyc
+build
\ No newline at end of file
diff --git a/README.md b/README.md
index e9f7e14..ad10df1 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,9 @@ Demonstrational videos:
 
 ## Usage
 
-_Please note that it requires [gattlib](https://bitbucket.org/OscarAcena/pygattlib) to be installed, which is not supported on Windows._
+_Please note:_ 
+- _it requires [gattlib](https://bitbucket.org/OscarAcena/pygattlib) to be installed, which is not supported on Windows._
+- _to enable the text-to-speech functionality [gTTS](https://github.com/pndurette/gTTS) may be installed but is not required by default._
 
 Install library like this: 
 ```bash
diff --git a/examples/vernie/__init__.py b/examples/vernie/__init__.py
index b249f24..1a4fbb1 100644
--- a/examples/vernie/__init__.py
+++ b/examples/vernie/__init__.py
@@ -41,7 +41,8 @@ SPEECH_LANG_MAP = {
         "commands help": "Available commands are: "
                          "forward, backward, turn left, turn right, "
                          "head left, head right, head straight, shot and say",
-        "finished": "Thank you! Robot is now turning off"
+        "finished": "Thank you! Robot is now turning off",
+        "text is empty": "Please, enter not empty text to say!"
     },
     "ru": {
         "ready": "Робот Веернии готов к работе",
@@ -49,9 +50,10 @@ SPEECH_LANG_MAP = {
         "ok": "хорошо",
         "commands help": "Доступные команды это: вперёд, назад, влево, вправо, "
                          "голову влево, голову вправо, голову прямо, выстрел, скажи",
-        "Finished": "Робот завершает работу. Спасибо!",
+        "finished": "Робот завершает работу. Спасибо!",
         "commands from file": "Исполняю команды из файла",
         "fire": "Выстрел!",
+        "text is empty": "Пожалуйста, наберите не пустой текст!"
     }
 }
 
@@ -132,6 +134,9 @@ class Vernie(MoveHub):
                 confirm(cmd)
                 self.head(STRAIGHT)
         elif cmd[0] in ("say", "скажи", "сказать"):
+            if not cmd[1:]:
+                self.say("text is empty")
+                return
             say(' '.join(cmd[1:]))
         elif cmd[0] in ("fire", "shot", "огонь", "выстрел"):
             say("fire")
diff --git a/examples/vernie/run_commands_file.py b/examples/vernie/run_commands_file.py
index 44091f4..add2869 100644
--- a/examples/vernie/run_commands_file.py
+++ b/examples/vernie/run_commands_file.py
@@ -9,7 +9,7 @@ def confirmation(command):
     robot.say(command[0])
 
 
-with open("vernie.commands") as fhd:
+with open(os.path.join(os.path.dirname(__file__), "vernie.commands")) as fhd:
     for cmd in fhd.readlines():
         sys.stdout.write("%s" % cmd)
         robot.interpret_command(cmd, confirmation)