geekcamp-calculator
基于 ANTLR4 编写的 Python 计算器 DEMO
环境准备
poetry install
poetry run antlr4 -Xexact-output-dir -o calculator/antlr4 -Dlanguage=Python3 calculator/grammar/CalculatorLexer.g4
poetry run antlr4 -Xexact-output-dir -o calculator/antlr4 -listener -visitor -Dlanguage=Python3 calculator/grammar/CalculatorParser.g4 calculator/grammar/CalculatorLexer.g4
单元测试
poetry run pytest -s
本地安装
poetry build -f wheel
pip install -U --user dist/geekcamp_calculator-*-py3-none-any.whl
列出 Python 包文件列表：
pip show geekcamp-calculator -f
终端输出：
Name: geekcamp-calculator
Version: 0.0.1.0
Summary:
Home-page:
Author: FifiLyu
Author-email: fifilyu@gmail.com
License:
Location: /home/user/.local/lib/python3.11/site-packages
Requires: antlr4-python3-runtime, antlr4-tools, pytest
Required-by:
Files:
../../../bin/pycalculator
__pycache__/gkcalculator.cpython-311.pyc
calculator/Calculator.py
calculator/__init__.py
calculator/__pycache__/Calculator.cpython-311.pyc
calculator/__pycache__/__init__.cpython-311.pyc
calculator/__pycache__/common.cpython-311.pyc
calculator/antlr4/CalculatorLexer.interp
calculator/antlr4/CalculatorLexer.py
calculator/antlr4/CalculatorLexer.tokens
calculator/antlr4/CalculatorParser.interp
calculator/antlr4/CalculatorParser.py
calculator/antlr4/CalculatorParser.tokens
calculator/antlr4/CalculatorParserListener.py
calculator/antlr4/CalculatorParserVisitor.py
calculator/antlr4/__pycache__/CalculatorLexer.cpython-311.pyc
calculator/antlr4/__pycache__/CalculatorParser.cpython-311.pyc
calculator/antlr4/__pycache__/CalculatorParserListener.cpython-311.pyc
calculator/antlr4/__pycache__/CalculatorParserVisitor.cpython-311.pyc
calculator/common.py
calculator/grammar/CalculatorLexer.g4
calculator/grammar/CalculatorParser.g4
calculator/parser/CalculatorBailLexer.py
calculator/parser/CustomErrorListener.py
calculator/parser/__init__.py
calculator/parser/__pycache__/CalculatorBailLexer.cpython-311.pyc
calculator/parser/__pycache__/CustomErrorListener.cpython-311.pyc
calculator/parser/__pycache__/__init__.cpython-311.pyc
geekcamp_calculator-0.0.1.0.dist-info/INSTALLER
geekcamp_calculator-0.0.1.0.dist-info/LICENSE
geekcamp_calculator-0.0.1.0.dist-info/METADATA
geekcamp_calculator-0.0.1.0.dist-info/RECORD
geekcamp_calculator-0.0.1.0.dist-info/REQUESTED
geekcamp_calculator-0.0.1.0.dist-info/WHEEL
geekcamp_calculator-0.0.1.0.dist-info/direct_url.json
geekcamp_calculator-0.0.1.0.dist-info/entry_points.txt
gkcalculator.py
使用方法
获取命令行工具执行路径：
python -c "import site; print('%s/bin/pycalculator' % site.USER_BASE)"
终端输出：
~/.local/bin/pycalculator
运行
~/.local/bin/pycalculator
分别输入 1+1==2;、1+1=2;
操作演示：
2023-09-20 00:36:09 94943 [INFO] 未启用日志配置文件，加载默认设置
请输入表达式： 1+1==2;
2023-09-20 00:36:13 94943 [INFO] 语法识别：
1+1==2;
2023-09-20 00:36:13 94943 [DEBUG] Calculator.Antlr4->语法分析成功
1 maintainer
Metadata
1 maintainer
Release files for geekcamp-calculator 0.0.1.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| geekcamp_calculator-0.0.1.2-py3-none-any.whl | Python 3 | none | any | Details for geekcamp_calculator-0.0.1.2-py3-none-any.whl |
Release files / geekcamp_calculator-0.0.1.2-py3-none-any.whl
| Download URL | geekcamp_calculator-0.0.1.2-py3-none-any.whl |
|---|---|
| Size | 13.8 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
45603d3b08d06fb9a199f08754f5f0c385c7992e435a1dadcc0556372fddb4fd
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No |
| Uploaded via |
poetry/1.6.1 CPython/3.11.5 Linux/6.1.52-1-lts
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