[clean] Turn the code into a proper python library

.gitignore

@@ -1,3 +1,6 @@
+*egg
+*egg-info
 __pychache__
 *pyc
 *~
+build/

README.md

@@ -0,0 +1,31 @@
+# Dummy APDU Logger, Explained
+
+This project aims at parsing all kind of APDU exchange files, and displaying
+them in a understandable fashion.
+
+
+## Install
+
+From the top of the repo, given you have the right to install the package
+(either root or in a `virtualenv`):
+
+```
+pip install .
+```
+
+## Usage
+
+Once install, you should now have a `dale` command:
+
+```
+$ dale -h
+usage: dale [-h] APDU_FILE
+
+Explicit logging of a list of APDUs
+
+positional arguments:
+  APDU_FILE   The file containing the list of APDUs
+
+optional arguments:
+  -h, --help  show this help message and exit
+```

pyproject.toml

@@ -0,0 +1,10 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel",
+    "protobuf>=3.19",
+]
+build-backend = "setuptools.build_meta"
+
+[tool.mypy]
+ignore_missing_imports = true

setup.cfg

@@ -0,0 +1,41 @@
+[metadata]
+name = dale
+version = 0.0.1
+author = Ledger
+author_email = [email protected]
+description = Dummy APDU Logger, Explained
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://github.com/LedgerHQ/dale
+project_urls =
+    Bug Tracker = https://github.com/LedgerHQ/dale/issues
+classifiers =
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.8
+
+[options]
+package_dir=
+        =src
+packages = find:
+include_package_data = True
+python_requires = >=3.6
+install_requires=
+        protobuf>=3.19
+
+[options.packages.find]
+where=src
+exclude =
+    tests
+
+[options.entry_points]
+console_scripts =
+    dale = dale.logger:main
+
+[options.extras_require]
+tests=
+        pytest
+checkers=
+        yapf
+        toml
+        flake8
+        mypy

src/dale/exchange/__init__.py

@@ -0,0 +1 @@
+from .exchange import factory

exchange.py → src/dale/exchange/exchange.py

@@ -1,5 +1,6 @@
-from base import Command, Response
-from pb.exchange_pb2 import NewTransactionResponse
+from dale.base import Command, Response
+
+from .pb.exchange_pb2 import NewTransactionResponse
 
 
 EXCHANGE_CLA = 0xE0
@@ -50,7 +51,7 @@ def raw_hex_str(name: str, field: bytes):
     return f"{name}:\n\t{field!r}\n\t{field.hex()}"
 
 
-def exchange_factory(data):
+def factory(data):
     assert data[0] == EXCHANGE_CLA
     assert len(data) > 1
     ins = data[1]

logger.py → src/dale/logger.py

@@ -6,9 +6,9 @@
 from pathlib import Path
 from typing import Tuple, Optional
 
-from base import Response, APDUPair
-from exchange import exchange_factory, ExchangeCommand, ExchangeResponse
-from parser import DefaultAPDUParser
+from dale.base import Response, APDUPair
+from dale.exchange import factory as exchange_factory
+from dale.parser import DefaultAPDUParser
 
 
 def init_parser() -> ArgumentParser:
@@ -18,7 +18,7 @@ def init_parser() -> ArgumentParser:
     return parser
 
 
-if __name__ == '__main__':
+def main():
     logging.root.setLevel(logging.INFO)
 
     parser = init_parser()
@@ -34,3 +34,7 @@ def init_parser() -> ArgumentParser:
 
     for exchange in apdu_parser.conversation:
         print(exchange)
+
+
+if __name__ == '__main__':
+    main()

parser.py → src/dale/parser.py

@@ -1,11 +1,10 @@
 import logging
 
 from abc import ABC, abstractmethod
-from base import Command, Response, APDUPair
 from types import TracebackType
 from typing import Optional, Tuple, Type
 
-from base import APDUPair, Command
+from dale.base import APDUPair, Response, Command
 
 
 class APDUParser(ABC):