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script:python [2020/02/26 17:22] – [Create execute file exe to run on windows] adminscript:python [2023/11/28 09:35] (current) – [The try-except clause] admin
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 pyinstaller --onefile Hello.py pyinstaller --onefile Hello.py
 </code>or<code bat> </code>or<code bat>
-pyinstaller --onefile Hello.py+pyinstaller --onedir Hello.py
 </code> => The exe file will startup more fastly </code> => The exe file will startup more fastly
  
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 </code> </code>
 Windows: download and install it from http://conda.pydata.org/miniconda.html(Win32, not 64bits) Windows: download and install it from http://conda.pydata.org/miniconda.html(Win32, not 64bits)
 +
 +After install, change the PATH of python to PATH of conda
 === Basic Create virtual enviornment with conda === === Basic Create virtual enviornment with conda ===
   * Help options in Creating environment:<code bash>   * Help options in Creating environment:<code bash>
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 </code> </code>
 === Create virtual environment for zipline app and using it === === Create virtual environment for zipline app and using it ===
-We will install **zipline** which requirement package **numpy**:+We will install **zipline** which requirement package **numpy** (Because we can found **numpy** in packages of conda on **https://anaconda.org/anaconda/repo**):
   - Step1: Create new virtual environment with name **zipline** which contain package **numpy** in conda<code bat>   - Step1: Create new virtual environment with name **zipline** which contain package **numpy** in conda<code bat>
 conda create -n zipline numpy conda create -n zipline numpy
-</code> => You click yes to install these packages for new virtual environment+</code> => (option **-n -> --name** of environment)You click yes to install these packages for new virtual environment. You can check new environment created in directory<code> 
 +D:\tools\miniconda2\envs\ 
 +</code>
   - Step2: Go to virtual environment zipline:<code>   - Step2: Go to virtual environment zipline:<code>
 source activate zipline source activate zipline
 +</code>in Windows, go to directory **d:\tools\Miniconda2\condabin\** and run command below<code>
 +conda.bat activate zipline
 </code> </code>
   - Step3: Install zipline in environment:<code>   - Step3: Install zipline in environment:<code>
 conda install -c Quantopian zipline conda install -c Quantopian zipline
-</code>+</code> =>install package **zipline** from channel **Quantopian** on **https://anaconda.org/anaconda/repo**{{:script:screen_shot_2020-11-26_at_4.58.01_pm.png|}}
 === Other commands of conda === === Other commands of conda ===
   * List environments in conda<code bat>   * List environments in conda<code bat>
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   * Remove environment in conda:<code bat>   * Remove environment in conda:<code bat>
 conda env remove -n zipline conda env remove -n zipline
-</code> +</code>(option **-n -> --name** of environment) 
-==== anaconda ====+  * Install packages in environment https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-pkgs.html#installing-packages 
 +==== Anaconda ====
 install anaconda:<code> install anaconda:<code>
 conda install anaconda conda install anaconda
 </code> </code>
-===== Build python modules from source =====+==== Build python modules from source ====
   - Step1: Download source and go to source directory and run<code bat>   - Step1: Download source and go to source directory and run<code bat>
 pip install -r requirements.txt pip install -r requirements.txt
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 else: else:
    If there is no exception then execute this block.     If there is no exception then execute this block. 
 +</code><code python>
 +try:
 +   You do your operations here;
 +   ......................
 +except:
 +   If there is any exception, then execute this block.
 +   ......................
 </code> </code>
   * The except clause with multiple exceptions<code python>   * The except clause with multiple exceptions<code python>
script/python.1582737743.txt.gz · Last modified: 2022/10/29 16:15 (external edit)