Updates (#1)

- pyproject.toml
- xkcd style.
- argparse.

pyproject.toml

@@ -1,3 +1,21 @@
+[project]
+name = "git-lines-graph"
+version = "2.0.0"
+description = "Git commit lines graph"
+readme = "README.md"
+requires-python = ">=3.9"
+dependencies = [
+    "gitpython>=3.1.43",
+    "matplotlib>=3.9.2",
+    "pandas>=2.2.2",
+]
+
+[project.scripts]
+git-lines-graph = "git_lines_graph:main"
+
 [build-system]
-requires = ["setuptools", "wheel"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project.urls]
+Repository = "https://github.com/danielfleischer/git-commits-lines-graph"

src/git_lines_graph/__init__.py

@@ -0,0 +1,41 @@
+import argparse
+import os
+
+import git
+import matplotlib as mpl
+import matplotlib.pyplot as plt
+import pandas as pd
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("git_dir", type=str, help="Git directory")
+    parser.add_argument("-b", "--branch", type=str, default=None, help="Branch to browse")
+
+    args = parser.parse_args()
+    git_dir = args.git_dir
+    branch = args.branch
+
+    try:
+        repo = git.repo.Repo(git_dir)
+    except git.exc.InvalidGitRepositoryError as e:
+        print("Not a valid git project: {}".format(git_dir))
+        exit()
+
+    data = []
+    for i in reversed(list(repo.iter_commits(rev=branch))):
+        diff = i.stats.total
+        data.append([i.committed_datetime.isoformat(), diff["insertions"], diff["deletions"]])
+
+    data = pd.DataFrame(data, columns=["date", "add", "remove"])
+    data["delta"] = data["add"] - data["remove"]
+    data["total"] = data.delta.cumsum()
+    data.date = pd.to_datetime(data.date)
+    data.set_index(["date"], inplace=True)
+
+    with plt.xkcd():
+        plt.figure("Code Lines Progress in project {}".format(os.path.basename(git_dir)))
+        plt.ylabel("# of lines")
+        ax = data["total"].plot()
+        ax.yaxis.set_major_formatter(mpl.ticker.StrMethodFormatter("{x:,.0f}"))
+        plt.show()