Lesson07-Regular Expression/Lesson07-package_manager.ipynb

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   "source": [
    "# [X-Village] Lesson07-package_manager\n",
    "# by 劉正仁"
   ]
  },
  {
   "cell_type": "markdown",
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   "source": [
    "# Package Manager\n",
    "\n",
    "### 顧名思義就是管理套件(Package)的程式(Manager)。  \n",
    "\n",
    "<center> <img src=\"./images/package1.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
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   "source": [
    "# Package Manger (Con't)\n",
    "\n",
    "### 很多公司跟開發者，都會將他們開發出來的套件(Package)發布給其他開發者，有免費的也有需要付費的。  \n",
    "\n",
    "<center> <img src=\"./images/package2.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
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   },
   "source": [
    "# Package Manager (Con't)\n",
    "\n",
    "### 這些開源(open source)的套件(package)都存在於網路中，[python 官方網站](https://pypi.org/)提供一個地方讓開發者分享自己的努力。  \n",
    "\n",
    "<center> <img src=\"./images/package3.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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   "source": [
    "# Package Manager (Con't)\n",
    "\n",
    "**pip** 這個程式就是 python 提供的套件管理程式(Package Manager)。  \n",
    "pip 的責任就是幫我們從網路中下載這些第三方的套件(Third-party package) 到我們的電腦中做使用。  \n",
    "\n",
    "<center> <img src=\"./images/package4.jpg\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# PIP 使用教學"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# PIP 使用教學 (Con't) \n",
    "### 在終端機中執行以下指令，查找自己的 Python 灌在哪個資料夾中\n",
    "<center> <img src=\"./images/pip1.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# PIP 使用教學 (for Windows) (Con't)\n",
    "### 找到 PIP 所在的資料夾位置\n",
    "<center> <img src=\"./images/pip2.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# PIP 使用教學 (for Windows) (Con't)\n",
    "### 將 PIP 所在的路徑加入 PATH 環境變數中\n",
    "\n",
    "<center> <img src=\"./images/pip3.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
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    }
   },
   "source": [
    "# PIP 使用教學 (for Windows) (Con't)\n",
    "\n",
    "<center> <img src=\"./images/pip4.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# PIP 使用教學 (Con't)\n",
    "\n",
    "### 在終端機中執行 pip，確認是否可以執行 pip\n",
    "\n",
    "<center> <img src=\"./images/pip5.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# PIP 使用教學 (Con't)\n",
    "\n",
    "### 查看 PIP 相關資訊\n",
    "\n",
    "<center> <img src=\"./images/p1.png\"> </center>\n",
    "\n",
    "<center> <h3 style='color: blue'> 之後 PIP 下載的套件都會存在 PIP 所在的目錄中 </h3> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# 安裝第三方套件\n",
    "\n",
    "<center><h2><span style=\"color:green\"> pip install </span> <span style=\"color: red\">module</span> </h2><center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
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   },
   "source": [
    "# 安裝第三方套件 (Con't)\n",
    "\n",
    "<center> <img src=\"./images/pip6.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
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   },
   "source": [
    "# 安裝第三方套件 (Con't)\n",
    "### 執行看看\n",
    "\n",
    "<center> <img src=\"./images/pip7.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# 查看已安裝的套件\n",
    "<center><h2><span style=\"color:green\"> pip </span> <span style=\"color: red\">freeze</span> </h2><center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# 查看已安裝的套件 (Con't)\n",
    "<center> <img src=\"./images/pip8.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# 輸出安裝的套件到檔案中\n",
    "<center><h2><span style=\"color:green\"> pip freeze </span> <span style=\"color: red\">></span> <span style=\"color: blue\"> requirements.txt </span> </h2><center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# Virtualenv\n",
    "### 虛擬環境(virtualenv)可以幫我們在電腦中分離(isolate)出虛擬的環境。\n",
    "\n",
    "<center> <img src=\"./images/v1.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv (Con't)\n",
    "\n",
    "### 為什麼我們需要那麼多的環境呢？"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv (Con't)\n",
    "\n",
    "### 正常情況，工程師在同一時間正在執行的專案不只一個"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv (Con't)\n",
    "\n",
    "### 如果有的專案使用到 Python2，有的專案使用到 Python3; 有的專案要裝 TensorFlow，有個專案要裝 Requests......"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv (Con't)\n",
    "\n",
    "### 如果將上述所有專案所需要的東西都裝在一個環境下...\n",
    "\n",
    "<center> <img src=\"./images/v2.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
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   },
   "source": [
    "# Virtualenv (Con't)\n",
    "\n",
    "### 如果我們將每個專案都分離出一個環境...\n",
    "\n",
    "<center> <img src=\"./images/v3.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
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   },
   "source": [
    "# Virtualenv (Con't)\n",
    "\n",
    "總結虛擬環境(virtualenv)帶給我們的好處  \n",
    "* 保持電腦執行環境的整潔\n",
    "* 讓我們能夠在同一電腦上，體驗不同的環境\n",
    "* 方便管理專案"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "# Virtualenv 使用教學"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv 使用教學 (for Windows) (Con't)\n",
    "<center> <h2 style=\"color:red\"> 請先將 Vscode 中的終端機改為 cmd，virtualenv 無法在 powershell 中執行 </h2></center>\n",
    "\n",
    "<center> <img src=\"./images/v7.png\"></center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv 使用教學 (for Windows) (Con't)\n",
    "\n",
    "<center> <img src=\"./images/vs1.png\"></center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
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    }
   },
   "source": [
    "# Virtualenv 使用教學 (Con't)\n",
    "### 請在終端機界面下輸入以下指令:\n",
    "<center><h2><span style=\"color: green\"> pip install </span> <span style=\"color: red\"> virtualenv </span> </h2></center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv 使用教學 (Con't)\n",
    "\n",
    "<center> <img src=\"./images/v4.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv 使用教學 (Con't)\n",
    "### 建立新環境，在終端機下執行:\n",
    "<center><h2><span style=\"color: green\"> virtualenv </span> <span style=\"color: red\"> \"environment_name\" </span> </h2></center>\n",
    "<center><h2>pip 和 python直譯器 也會自動幫我們安裝在新的環境中 </h2></center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv 使用教學 (Con't)\n",
    "\n",
    "<center> <img src=\"./images/v5.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv 使用教學 (for Windows) (Con't)\n",
    "### 進入新的環境，必須執行以下指令:\n",
    "\n",
    "<center><h2><span style=\"color: green\"> .\\</span><span style=\"color: red\">environment_name</span><span style=\"color: green\">\\Scripts\\</span><span style=\"color: blue\">activate</span></h2></center>\n",
    "\n",
    "<center><h3><span style=\"color: red\">environment_name</span>: 環境名稱 </h3></center>\n",
    "<center><h3><span style=\"color: blue\">activate</span>: 啟動(切換）環境的執行檔 </h3></center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "# Virtualenv 使用教學 (for Linux and Mac) (Con't)\n",
    "### 進入新的環境，必須執行以下指令:\n",
    "\n",
    "<center><h2>source <span style=\"color: green\"> ./</span><span style=\"color: red\">environment_name</span><span style=\"color: green\">/bin/</span><span style=\"color: blue\">activate</span></h2></center>\n",
    "\n",
    "<center><h3><span style=\"color: red\">environment_name</span>: 環境名稱 </h3></center>\n",
    "<center><h3><span style=\"color: blue\">activate</span>: 啟動(切換）環境的執行檔 </h3></center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
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   },
   "source": [
    "# Virtualenv 使用教學 (Con't)\n",
    "\n",
    "<center> <img src=\"./images/v6.png\"> </center>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
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   },
   "source": [
    "# 課堂練習 ex1 (不計分）\n",
    "\n",
    "請在家目錄下(ex: C:\\Users\\F7404014)建立一個新的環境，並且命名為 **\"X-Village\"**  \n",
    "並在此環境下安裝以下幾個第三方套件:  \n",
    "* requests  \n",
    "* numpy  \n",
    "* pandas  \n",
    "* matplotlib  \n",
    "\n",
    "並且將安裝的套件輸出到 requirements.txt 中"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "<center> <h1> 感謝聆聽 </h1> </center>"
   ]
  }
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