Improve bar charts

.gitignore

@@ -1,3 +1,2 @@
 __pycache__
 .ipynb_checkpoints
-charp.py

charp.py

@@ -0,0 +1,62 @@
+"""
+CharP is Charts for Paulo — Paulos aux functions and preferences for beautiful
+and functional charts
+"""
+
+import matplotlib.pyplot as plt
+
+plt.style.use("./paulo.mplstyle")
+
+color_highlight = plt.rcParams["lines.color"]  # default is orange
+color_highlight2 = (0, 153, 51)
+color_highlight3 = (30, 66, 139)
+
+
+def set_title(title, fontsize=16, ax=None):
+    "Title always aligned to the left axis label"
+    # https://stackoverflow.com/questions/62997001/matplotlib-how-to-exact-align-the-title-to-the-y-label
+    if ax is None:
+        ax = plt.gca()
+
+    bbox = ax.get_yticklabels()[-1].get_window_extent()
+    print(bbox)
+    x, _ = ax.transAxes.inverted().transform([0, bbox.y0])
+    return ax.set_title(title, ha="left", x=0, fontsize=fontsize)
+
+
+def rotate_xlabels(angle=45):
+    plt.tick_params(axis="x", labelrotation=angle, ha="right")
+
+
+def barh(ax=None):
+    if ax is None:
+        ax = plt.gca()
+    # label on top
+    ax.tick_params(
+        axis="x",
+        top=False,
+        labeltop=True,
+        bottom=False,
+        labelbottom=False,
+        pad=-13,  # hardcoded looks wrong
+    )
+    # white grid
+    ax.grid(axis="x", color="white", linestyle="--")
+    ax.grid(False, axis="y")
+    ax.set_axisbelow(False)
+
+    # spines
+    ax.spines["bottom"].set_visible(False)
+    # identar à direita?
+
+
+def bar(ax=None):
+    if ax is None:
+        ax = plt.gca()
+    # white grid
+    ax.grid(axis="y", color="white", linestyle="--")
+    ax.set_axisbelow(False)
+
+    ax.tick_params(
+        axis="x", bottom=False,
+    )