Now with prettier charts

.gitignore

@@ -4,3 +4,4 @@ instance
 __pycache__
 hedonodon_clientcred.secret
 hedonodon_usercred.secret
+.fleet

Main.py

@@ -1,13 +1,15 @@
 from CRUDManager import CRUDManager
-from datetime import datetime
+from datetime import datetime, date
 from DbSetup import init_db
 import locale
 from MastodonAccountManager import MastodonAccountManager
 import matplotlib.pyplot as plt
+import matplotlib.dates as mdates
+from matplotlib.ticker import MultipleLocator
+import numpy as np
 from TootCrawler import TootCrawler
-from sqlalchemy.sql import desc, select
 
-locale.setlocale(locale.LC_TIME, "de_DE.UTF-8")
+locale.setlocale(locale.LC_TIME, "en_EN.UTF-8")
 init_db()
 
 mastodonAccountManager = MastodonAccountManager()
@@ -26,13 +28,22 @@ crudManager = CRUDManager()
 lastTootId = crudManager.getLastToot()
 tootsDataframe = tootCrawler.buildTootsDataframe(lastTootId)
 sentimentsYesterday = crudManager.calculateAggregates('sentiment', 'Count')
+
+colormap = {
+    'negative"': '#ff9999',
+    'neutral': '#ffcc99',
+    "positive": '#99ff99'
+}
+
+todaysColors = []
+for sentiment in sentimentsYesterday['sentiment'].to_numpy():
+     todaysColors.append(colormap[sentiment])
+
 compoundsYesterday = crudManager.calculateAggregates('compound', 'Avg')
 if not tootsDataframe.empty:
      crudManager.saveToDatabase(tootsDataframe, 'Toots', useIndex=False)
      crudManager.saveToDatabase(dataframe=sentimentsYesterday, table='Sentiments', useIndex=True)
      crudManager.saveToDatabase(dataframe=compoundsYesterday, table='Compounds', useIndex=True)
-     #print(sentimentsYesterday, 'sentimentsYesterday')
-     #print(compoundsYesterday, 'sentimentsYesterday')
 else:
      print('Nothing changed since last database insert!')
 
@@ -42,15 +53,42 @@ dataframe4LineChart = crudManager.loadFromDatabase('Compounds', 'date').drop('in
 
 fig, axes = plt.subplots(nrows=2, ncols=1, figsize=(10,10))
 
+# Pie chart.
 pieChartlabels = dataframe4PieChart.index.to_numpy()
-pieChart = dataframe4PieChart.plot.pie(ax=axes[0], y='sentimentCount', ylabel="", labels=dataframe4PieChart['sentimentCount'], title=f'Moods of the toots on {TodayDate} of the local timeline on fedihum.org', colors = ['red', 'grey', 'green'])
+pieChart = dataframe4PieChart.plot.pie(
+    ax=axes[0],
+    y='sentimentCount',
+    ylabel="",
+    labels=dataframe4PieChart['sentimentCount'],
+    title=f'Moods of the toots on {TodayDate} of the local timeline on fedihum.org',
+    colors = todaysColors,
+    wedgeprops=dict(linewidth=3, edgecolor='w'),
+    startangle=90
+)
+
+axes[0].axis('equal')
+centre_circle = plt.Circle((0,0),0.6,fc='white')
+axes[0].add_patch(centre_circle)
 chartBox = axes[0].get_position()
 axes[0].set_position([chartBox.x0,chartBox.y0-0.2,chartBox.width,chartBox.height])
-axes[0].legend(pieChartlabels,loc='upper right', bbox_to_anchor=(1.3, 0.9))
-lineChart = dataframe4LineChart.plot.line(ax=axes[1], title='Compounds from max positive (1) to min neg (-1)')
-axes[1].set_ylim([-1, 1])
+axes[0].legend(pieChartlabels,loc='upper right', bbox_to_anchor=(0.8, 0.9))
 
+
+# Line chart.
+lineChart = dataframe4LineChart.plot.line(
+    ax=axes[1],
+    title='Compounds from max positive (1) to min negative (-1)'
+    )
+axes[1].grid(True)
+axes[1].set_xlim([date(2023, 1, 1), date(2023, 12, 31)])
+axes[1].set_ylim([-1, 1])
+axes[1].xaxis.set_major_locator(mdates.MonthLocator())
+axes[1].xaxis.set_minor_locator(mdates.MonthLocator(bymonthday=15))
+axes[1].xaxis.set_major_formatter(plt.NullFormatter())
+axes[1].xaxis.set_minor_formatter(mdates.DateFormatter('%h'))
+axes[1].tick_params(which='minor', length=0)
 plotFileUrl = f'./plots/{TodayDate}.png'
+plt.show()
 plt.savefig(plotFileUrl)
 
 media = mastodonInstance.media_post(plotFileUrl, mime_type="image/png", description=f"Sentiment analysis of local timeline on fedihum.org, showing the moods of the toots on, and the compounds up to {TodayDate}.")