[DONE]合并分支

readMe.md

@@ -9,13 +9,36 @@ Python DeMo
 
 ### venv2
 
+#### 1. venv2 for mac
+
 ```
 virtualenv -p /usr/local/bin/python2 --no-site-packages venv2
 ```
 
-## venv3
+#### 2. venv2 for windows
+
+```
+python2 -m virtualenv -p C:\Python\Python27\python2.exe venv2
+
+或
+
+python2 -m virtualenv -p C:\Python\Python27\python2.exe venv2 > venv2.log
+```
+
+### venv3
+
+#### 1. venv3 for mac
 
 ```
 virtualenv -p /usr/local/bin/python3 --no-site-packages venv
 ```
 
+#### 2. venv3 for windows
+
+```
+python3 -m virtualenv -p C:\Python\Python38\python3.exe venv
+
+或
+
+python3 -m virtualenv -p C:\Python\Python38\python3.exe venv > venv.log
+```

src/argparse/test_argparse.py

@@ -0,0 +1,34 @@
+# -*- coding:utf-8 -*-
+
+import argparse
+
+#
+#  python -m test_argparse.py --help
+parser = argparse.ArgumentParser(description='Command-line example.')
+
+# Add optional switches
+parser.add_argument('-v',
+                    action='store_true',
+                    dest='is_verbose',
+                    help='produce verbose output')
+parser.add_argument('-o',
+                    action='store',
+                    dest='output',
+                    metavar='FILE',
+                    help='direct output to FILE instead of stdout')
+parser.add_argument('-C',
+                    action='store',
+                    type=int,
+                    dest='context',
+                    metavar='NUM',
+                    default=0,
+                    help='display NUM lines of added context')
+
+# Allow any number of additional arguments.
+parser.add_argument(nargs='*',
+                    action='store',
+                    dest='inputs',
+                    help='input filenames (default is stdin)')
+
+args = parser.parse_args()
+print args.__dict__

src/class/test_class_2.7.py

@@ -0,0 +1,26 @@
+# -- coding:utf-8 --
+# python 2.7.16 version
+
+
+class A:
+    def foo(self):
+        print('深度优先 -> called A.foo()')
+
+
+class B(A):
+    pass
+
+
+class C(A):
+    def foo(self):
+        print('广度优先 -> called C.foo()')
+
+
+class D(B, C):
+    pass
+
+
+if __name__ == '__main__':
+    ''' 深度优先: D -> B -> A '''
+    d = D()
+    d.foo()

src/class/test_class_2.x.py

@@ -0,0 +1,26 @@
+# -- coding:utf-8 --
+# python 2.7.16 version
+
+
+class A(object):
+    def foo(self):
+        print('深度优先 -> called A.foo()')
+
+
+class B(A, object):
+    pass
+
+
+class C(A, object):
+    def foo(self):
+        print('广度优先 -> called C.foo()')
+
+
+class D(B, C, object):
+    pass
+
+
+if __name__ == '__main__':
+    ''' 广度优先: D -> C -> A '''
+    d = D()
+    d.foo()

src/class/test_class_3.7.py

@@ -0,0 +1,31 @@
+# -- coding:utf-8 --
+# python 3.7.4 version
+
+
+class A:
+    def foo(self):
+        print('深度优先 -> called A.foo()')
+
+
+class B(A):
+    pass
+
+
+class C(A):
+    def foo(self):
+        print('广度优先 -> called C.foo()')
+
+
+class D(B, C):
+    pass
+
+
+if __name__ == '__main__':
+    ''' 3.x 广度优先: D -> C -> A '''
+    # 此处有点反直觉, 3.x 的应该是做了兼容为新式类型，
+    #       D -> C -> A
+    # 我在我得机器上是:
+    #       D -> B -> A
+    #       深度优先 -> called A.foo()
+    d = D()
+    d.foo()

src/class/test_class_3.x.py

@@ -0,0 +1,26 @@
+# -- coding:utf-8 --
+# python 3.7.4 version
+
+
+class A(object):
+    def foo(self):
+        print('深度优先 -> called A.foo()')
+
+
+class B(A, object):
+    pass
+
+
+class C(A, object):
+    def foo(self):
+        print('广度优先 -> called C.foo()')
+
+
+class D(B, C, object):
+    pass
+
+
+if __name__ == '__main__':
+    ''' 3.x 广度优先: D -> C -> A '''
+    d = D()
+    d.foo()

src/file/test_file.py

@@ -0,0 +1,29 @@
+# -*- coding:utf-8 -*-
+
+import os
+
+# the define global cwd variable
+cwd = os.getcwd()
+
+
+def test_os_path():
+    ''' the test os path '''
+    absPath = os.path.abspath(cwd)
+    print('the current abs path is %s' % absPath)
+    baseName = os.path.basename(cwd)
+    print('the current base name is %s' % baseName)
+    # os.path.commonprefix(cwd)
+    dirName = os.path.dirname(cwd)
+    print('the current dir name is %s' % dirName)
+    exists = os.path.exists(cwd)
+    print('the current directory or file is exists that is %s ' % exists)
+    userProfile = os.path.expanduser("~")
+    print('the current user profile that is %s ' % userProfile)
+    supportUnicodeFileNames = os.path.supports_unicode_filenames
+    print('the current weather support unicode file names that is %s ' %
+          supportUnicodeFileNames)
+
+
+if __name__ == "__main__":
+    '''主函数入口'''
+    test_os_path()

src/logging/test_loggins.py

@@ -0,0 +1,48 @@
+# -*- coding:utf-8 -*-
+
+import logging
+
+
+def loggingConfig():
+    ''' the default logging config
+
+    ### Python 日志格式
+
+    %(name)s                Logger的名字
+    %(levelno)s             数字形式的日志级别
+    %(levelname)s           文本形式的日志级别
+    %(pathname)s            调用日志输出函数的模块的完整路径名，可能没有
+    %(filename)s            调用日志输出函数的模块的文件名
+    %(module)s              调用日志输出函数的模块名
+    %(funcName)s            调用日志输出函数的函数名
+    %(lineno)d              调用日志输出函数的语句所在的代码行
+    %(created)f             当前时间，用UNIX标准的表示时间的浮 点数表示
+    %(relativeCreated)d     输出日志信息时的，自Logger创建以 来的毫秒数
+    %(asctime)s             字符串形式的当前时间。默认格式是 “2003-07-08 16:49:45,896”。逗号后面的是毫秒
+    %(thread)d              线程ID。可能没有
+    %(threadName)s          线程名。可能没有
+    %(process)d             进程ID。可能没有
+    %(message)s             用户输出的消息
+    '''
+    logging.basicConfig(
+        filename='./out/test_logging_recorder.log',
+        # format='%(asctime)s %(levelname)s:%(lineno)d:%(message)s',
+        format='%(asctime)s %(levelname)s:%(message)s',
+        # datefmt='%Y-%m-%d %H:%M:%S',
+        filemode='a',
+        level=logging.DEBUG)
+
+
+def testLogging():
+    ''' the test logging '''
+    logging.debug('this is debug message.')
+    logging.info('this is info message.')
+    logging.warning('this is warning message.')
+    logging.error('this is error message.')
+    logging.critical('this is critical message.')
+
+
+if __name__ == "__main__":
+    '''主函数入口'''
+    loggingConfig()
+    testLogging()

src/logging/test_thread_loggins.py

@@ -0,0 +1,33 @@
+# -*- coding:utf-8 -*-
+
+import logging
+import threading
+import time
+
+
+def worker(arg):
+    while not arg['stop']:
+        logging.debug('我来自于工作线程...')
+        time.sleep(5)
+
+
+def main():
+    logging.basicConfig(
+        level=logging.DEBUG,
+        format='%(relativeCreated)6d %(threadName)s %(message)s')
+    info = {'stop': False}
+    thread = threading.Thread(target=worker, args=(info, ))
+    thread.start()
+    while True:
+        try:
+            logging.debug('我来自于主线程...')
+            time.sleep(5)
+        except KeyboardInterrupt:
+            info['stop'] = True
+            break
+    thread.join()
+
+
+if __name__ == "__main__":
+    '''主函数入口'''
+    main()

src/standard_library/test_argv.py

@@ -0,0 +1,21 @@
+# -- coding:utf-8 --
+
+
+import sys
+
+
+def test_argv():
+    argv = sys.argv[1:]
+    # 输出格式:
+    # ['start_date=2019', 'end_date=2020']
+    # argv = sys.argv[:]
+    # 输出格式:
+    # ['test_argv.py', 'start_date=2019', 'end_date=2020']
+    print(argv)
+
+
+if __name__ == "__main__":
+    '''主函数入口'''
+    # the python command
+    # python test_argv.py start_date=2019 end_date=2020
+    test_argv()

src/standard_library/test_dict.py

@@ -0,0 +1,13 @@
+# -*- coding: UTF-8 -*-
+
+import json
+
+
+def test_dict():
+    dict1 = {}
+    print json.dumps(dict1)
+
+
+if __name__ == "__main__":
+    '''主函数入口'''
+    test_dict()

src/standard_library/test_getopts.py

@@ -0,0 +1,49 @@
+# -- coding:utf-8 --
+
+import getopt
+import sys
+# reload(sys)
+# sys.setdefaultencoding('utf8')
+
+
+def test_getopts():
+    '''
+    getopt函数的格式是getopt.getopt ( [命令行参数列表], "短选项", [长选项列表] )
+    短选项名后的冒号(:)表示该选项必须有附加的参数。
+    长选项名后的等号(=)表示该选项必须有附加的参数。
+    '''
+    short_opt = 'c:d'  # 短链选项
+    long_args = ['info', 'debug', 'time=']  # 长链选项
+    print
+    sys_argv = sys.argv[1:]
+    print 'the current sys_argv: %s' % sys_argv
+    print
+    opts, args = getopt.getopt(sys_argv, short_opt, long_args)
+    print('the current opts type: %s' % type(opts))
+    print('the current opts = %s' % opts)
+    print ('the current opts[0] type: %s' % type(opts[0]))
+    print
+    print('the current args type: %s' % type(args))
+    print ('the current args = %s' % args)
+    print
+
+
+def debug_print_command():
+    '''
+    命令输入,测试数据:
+    1. python test_getopts.py -c c_args:c -d d start_date=2019 end_date=2020
+    2. python test_getopts.py -c c_args:c -d start_date=2019 end_date=2020
+    3. python test_getopts.py -c c_args:c -d --info start_date=2019 end_date=2020
+    4. python test_getopts.py -c c_args:c -d --debug --time=the_current_system_time start_date=2019 end_date=2020
+    '''
+    argv = [
+        'python', 'test_getopts.py', '-c', 'c_args:c', '-d', 'd', 'start_date=2019',
+        'end_date=2020'
+    ]
+    print " ".join(argv)
+
+
+if __name__ == "__main__":
+    '''主函数入口'''
+    test_getopts()
+    # debug_print_command()