init

.gitignore

@@ -0,0 +1,2 @@
+/.idea
+/__pycache__

analysis_db.py

@@ -0,0 +1,74 @@
+import sqlite3
+import sys
+
+from debug import debug_print
+from draw_db import draw, draw_two, draw_three
+from date_util import format_date
+
+
+def read_db(db_name, tb_name='', section_id=''):
+    debug_print('read_db, db_name = ', db_name, ', tb_name = ', tb_name, ', section_id = ', section_id)
+    conn = sqlite3.connect(db_name)
+
+    if not tb_name:
+        table_cursor = conn.cursor()
+        table_cursor.execute(' SELECT name FROM sqlite_master WHERE type=\'table\'; ')
+        table_names = table_cursor.fetchall()
+        print('table_names = ', str(table_names))
+        return
+
+    if not section_id:
+        section_cursor = conn.execute(' SELECT section_id, section_date, section_end_date FROM ' + tb_name)
+        for section_row in section_cursor:
+            section_id = section_row[0]
+            section_date = section_row[1]
+            section_end_date = section_row[2]
+            print('section_id = ', section_id, ', section_date = ', format_date(section_date), ', section_end_date = ',
+                  format_date(section_end_date))
+        return
+
+    sql_str = ' SELECT * FROM ' + tb_name + ' WHERE section_id == ' + section_id
+    section_cursor = conn.execute(sql_str)
+    for section_row in section_cursor:
+        section_id = section_row[0]
+        _sample_id = section_row[3]
+        _sample_end_id = section_row[6]
+        debug_print('section_id = ', section_id, ', _sample_id = ', _sample_id, ', _sample_end_id = ',
+                    _sample_end_id)
+
+        max_list = []
+        min_list = []
+        delta_list = []
+        sample_sql = "SELECT max, min FROM sample_table WHERE _id >= " + str(_sample_id) + ' AND ' + ' _id <= ' + str(_sample_end_id)
+        sample_cursor = conn.execute(sample_sql)
+        for sample_row in sample_cursor:
+            max = sample_row[0]
+            min = sample_row[1]
+            delta = max - min
+            max_list.append(max)
+            min_list.append(min)
+            delta_list.append(delta)
+
+        # debug_print('max_list = ', str(max_list))
+        # debug_print('min_list = ', str(min_list))
+        # debug_print('delta_list = ', str(delta_list))
+        # draw(max_list)
+        draw_two(max_list, min_list)
+        # draw_three(max_list, min_list, delta_list)
+
+    conn.close()
+
+
+if __name__ == '__main__':
+    argv = sys.argv[1:]
+    argc = len(sys.argv[1:])
+    # print('sys.argv[1:] = ', argv, ', ', str(len(argv)))
+
+    if argc < 1:
+        print('USAGE: python analysis_db.py xxx.db')
+        exit(1)
+
+    db_uri = argv[0] if argc >= 1 else ''
+    tb_name = argv[1] if argc >= 2 else ''
+    section_id = argv[2] if argc >= 3 else ''
+    read_db(db_uri, tb_name, section_id)

date_util.py

@@ -0,0 +1,16 @@
+from datetime import datetime
+
+from numpy.compat import long
+
+
+def format_date(section_date):
+    # formatted_date = datetime.fromtimestamp(section_date).strftime('%Y-%m-%d %H:%M:%S')
+    return datetime.fromtimestamp(section_date / 1000)
+
+    # # 使用datetime.strptime解析原始日期字符串
+    # date_obj = datetime.strptime(section_date, "%Y%m%d%H%M")
+    #
+    # # 使用strftime将日期对象格式化为新的格式
+    # formatted_date = date_obj.strftime("%Y%m%d %H:%M")
+    #
+    # return formatted_date

debug.py

@@ -0,0 +1,7 @@
+DEBUG = True
+# DEBUG = False
+
+
+def debug_print(self, *args, sep=' ', end='\n', file=None):
+    if DEBUG:
+        print(self, *args, sep, end, file)

draw_db.py

@@ -0,0 +1,22 @@
+import matplotlib.pyplot as plt
+
+
+def draw(x_points=None, y_points=None):
+    plt.plot(x_points)
+    plt.show()
+
+
+def draw_two(x_list1=None, x_list2=None):
+    fig, ax = plt.subplots()
+    ax.plot(x_list1)
+    ax.plot(x_list2)
+    ax.legend()
+    plt.show()
+
+def draw_three(x_list1=None, x_list2=None, x_list3=None):
+    fig, ax = plt.subplots()
+    ax.plot(x_list1)
+    ax.plot(x_list2)
+    ax.plot(x_list3)
+    ax.legend()
+    plt.show()

main.py

@@ -0,0 +1,16 @@
+# This is a sample Python script.
+
+# Press ⇧F10 to execute it or replace it with your code.
+# Press Double ⇧ to search everywhere for classes, files, tool windows, actions, and settings.
+
+
+def print_hi(name):
+    # Use a breakpoint in the code line below to debug your script.
+    print(f'Hi, {name}')  # Press ⌘F8 to toggle the breakpoint.
+
+
+# Press the green button in the gutter to run the script.
+if __name__ == '__main__':
+    print_hi('PyCharm')
+
+# See PyCharm help at https://www.jetbrains.com/help/pycharm/