def test_insert_many(connection_string_database):
time1 = datetime.datetime.now()
time2 = datetime.datetime.now() - datetime.timedelta(1)
time3 = datetime.datetime.now() - datetime.timedelta(2)
records_to_insert = [("Göteborg", time1, "boll",
"annons/goteborg/aktiv_panther_lang__84/93336788",
"kolla in värsta dealen!", 93336788, 123, "123kr"),
("Malmö", time2, "racket",
"annons/malmo/aktiv_panther_lang__84/93336789",
"kom och köp!", 93336789, 456, "456kr"),
("Stockholm", time3, "nät",
"annons/stockholm/aktiv_panther_lang__84/93336787",
"billigt, billigt billigt!", 93336787, 789, "789kr")]
list_of_columns = [
"location", "time", "top_info", "href", "subject_text", "item_id",
"price", "price_text"
]
connection = mysql_scripts.create_connection(connection_string_database,
"local_database")
cursor = mysql_scripts.create_cursor(connection)
mysql_scripts.insert_many_data(cursor, connection, list_of_columns,
records_to_insert, table_name)
# mysql_scripts.drop_table(cursor, table_name)
# mysql_scripts.create_table(cursor, table_name, columns)
mysql_scripts.close_cursor(cursor)
mysql_scripts.close_connection(connection)
def test_delete_data_from_table(connection_string_database):
table_name = "scrape_log"
connection = mysql_scripts.create_connection(connection_string_database,
"local_database")
cursor = mysql_scripts.create_cursor(connection)
mysql_scripts.delete_data(cursor, connection, table_name)
mysql_scripts.close_cursor(cursor)
mysql_scripts.close_connection(connection)
def alter_tables_add_id(connection):
cursor = mysql_scripts.create_cursor(connection)
cursor.execute(
"ALTER TABLE scrape_log ADD id INT UNSIGNED NOT NULL AUTO_INCREMENT, ADD INDEX (id)"
)
cursor.execute(
"ALTER TABLE articles ADD id INT UNSIGNED NOT NULL AUTO_INCREMENT, ADD INDEX (id)"
)
connection.commit()
mysql_scripts.close_cursor(cursor)
def scrape_history_start_up_date(connection):
# Desc: adding last scraped date as three days ago to avoid heavy load on inital scrape with new database
# @Parms no parms
# @output no output
# Insert Scrape details to scrape log
time_of_first_article = datetime.datetime.now() - datetime.timedelta(3)
time_of_scrape = datetime.datetime.now()
no_of_articles = 0
cursor = mysql_scripts.create_cursor(connection)
temporary_scrape_history_insert(connection, cursor, time_of_scrape,
time_of_first_article, no_of_articles)
mysql_scripts.close_cursor(cursor)
def test_select_data(connection_string_database):
connection = mysql_scripts.create_connection(connection_string_database,
"local_database")
cursor = mysql_scripts.create_cursor(connection)
table_name = "scrape_log"
condition_dict = None
selection_columns_list = [
'time_of_first_article', 'time_of_scrape', 'no_of_articles'
]
data = mysql_scripts.select_data(cursor, connection,
selection_columns_list, table_name,
condition_dict)
print(data[-1][0])
mysql_scripts.close_cursor(cursor)
mysql_scripts.close_connection(connection)
def test_insert_single(connection_string_database):
connection = mysql_scripts.create_connection(connection_string_database,
"local_database")
cursor = mysql_scripts.create_cursor(connection)
table_name = "scrape_log"
list_of_columns = ["time_of_scrape", "time_of_scrape", "no_of_articles"]
time_of_first_article = datetime.datetime(2020, 12, 9, 9, 15, 00, 00)
time_of_scrape = time_of_first_article = datetime.datetime(
2020, 12, 9, 9, 15, 00, 00)
no_of_articles = 98276
list_of_values = [time_of_first_article, time_of_scrape, no_of_articles]
cursor.execute(
"INSERT INTO scrape_log (time_of_first_article, time_of_scrape, no_of_articles) VALUES (%s, %s, %s)",
(time_of_first_article, time_of_scrape, '90000'))
connection.commit()
# mysql_scripts.insert_data(connection, cursor, table_name, list_of_columns, list_of_values)
mysql_scripts.close_cursor(cursor)
mysql_scripts.close_connection(connection)
def check_duplicates(connection_string_database):
connection = mysql_scripts.create_connection(connection_string_database,
"local_database")
cursor = mysql_scripts.create_cursor(connection)
table_name = "articles"
condition_dict = None
selection_columns_list = ['item_id', 'subject_text']
data = mysql_scripts.select_data(cursor, connection,
selection_columns_list, table_name,
condition_dict)
mysql_scripts.close_cursor(cursor)
mysql_scripts.close_connection(connection)
duplicate_list = []
for item in data:
counter = 0
for item_check in data:
if item[0] == item_check[0]:
counter += 1
if counter > 1:
duplicate_list.append(item)
print(duplicate_list)
def create_tables(connection):
tables_and_columns = [
{
'articles': [{
"column_name": "location",
"data_type": "VARCHAR",
"column_lenght": 255,
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "time",
"data_type": "DATETIME",
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "top_info",
"data_type": "VARCHAR",
"column_lenght": 255,
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "href",
"data_type": "VARCHAR",
"column_lenght": 255,
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "subject_text",
"data_type": "VARCHAR",
"column_lenght": 255,
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "item_id",
"data_type": "INT",
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "price",
"data_type": "INT",
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "price_text",
"data_type": "VARCHAR",
"column_lenght": 255,
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}]
},
{
'scrape_log': [{
"column_name": "time_of_scrape",
"data_type": "DATETIME",
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "time_of_first_article",
"data_type": "DATETIME",
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}, {
"column_name": "no_of_articles",
"data_type": "INT",
"primary_key": False,
"auto_increment": False,
"not_null": False,
"unique": False
}]
},
]
cursor = mysql_scripts.create_cursor(connection)
for table in tables_and_columns:
for key, value in table.items():
mysql_scripts.create_table(cursor, key, value)
mysql_scripts.close_cursor(cursor)
