Example #1
0
def test_myfunction(monkeypatch):
    def mock_mydeco(f):
        return f

    monkeypatch.setattr('decorators.mydeco', mock_mydeco)
    importlib.reload(mymodule)
    assert mymodule.myfunction() == "ok"
Example #2
0
# python formatting style using %. The old style still works, but shouldn't be used as
# it will eventually stop being supported.
#   https://pyformat.info/

# ============================================================================ #
# IMPORTING
# So far we've only written code in one file, but it's possible to write it across
# multiple files, and then use code from one file in another. This is done using
# python's "import" mechanic, which "imports" the code into the file.
import mymodule

# This imported the file "mymodule.py" from the same directory as this examples.py
# Notice that we don't need to give the extension - that's because python can only
# import python files, so the extension is assumed. Providing the extension will
# cause an error. Once the file is imported, we can run code from inside the file
mymodule.myfunction()

# It's as simple as that! However, we need to know how it knew where to find
# "mymodule" just from the import statement above. This is done by using
# "environment variables". This can be a complex topic, so here's the short version:
# 1. Environment variables are like variables that are global to the entire
#    Operating system (eg, Windows) - not just for python!
# 2. Environment variables are like a dictionary that can only map strings to strings
# 3. Your computer sets environment variables when it starts up, and can be modified
# 4. The most common usage is to map a short name to a file/folder on the filesystem.
#    This allows programs to lookup the environment variable value to find resources.
# 5. Multiple values can be stored in one environment variable by separating the values
#    with a particular symbol - which symbol to use is defined by the Operating System.
# 6. A default environment variable is called PATH and is mapped to a lot of folders
# 7. Whenever a command is executed, it searches the folders defined in PATH to find a
#    script with the same name that it can run.
Example #3
0
import mymodule

#print(myfunction())  #error!!
print(mymodule.myfunction())

from mymodule import myfunction
print(myfunction())
Example #4
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import mymodule
z = mymodule.myfunction(1,2)
Example #5
0
import mymodule

#print(myfunction()) #error"
print(mymodule.myfunction())  #scoped variant

from mymodule import myfunction  #descoped variant

print(myfunction())
Example #6
0
# Creating and using your own module

# Back to your program

import mymodule

mymodule.myfunction(42)
# You called a function from a module!
Example #7
0
    print(add(1, 5))
    print((lambda arg1, arg2: arg1 + arg2)(1, 2))  # 匿名函数的另一种调用方式

    # --- 位置参数 和 关键字参数 的混合使用 ---
    function6(1, 2, 3, 4, 5)
    function6(1, *[2, 3, 4, 5])
    function7(1, num=12, age=21)
    function8(1, 22, 2, 3, num=12)

# ===========================================================
# === 调用自定义模块 ===

# 导入模块并调用 (三种导入模块方式,选择其中一种)
import time  # 第一种, 引入单个模块
import time as t  # 引入并重命名
import time
import calendar  # 第二种, 引入多个模块
from mymodule import myfunction  # 第三种, 导入模块指定函数(*引入所有)
print(myfunction())

# === 动态导入模块 ===
import importlib
modulename = "os"

# 方式1
obj = __import__(modulename)  # 不推荐
# 方式2
obj = importlib.import_module(modulename)  # 推荐使用

print(obj.getcwd())