Created
May 11, 2019 09:36
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import json | |
import pymysql | |
import pymysql.cursors | |
import os | |
import csv | |
from datetime import datetime | |
with open("data/premier-league/schema.json") as fh: | |
schema = json.loads(fh.read()) | |
fields = schema["fields"] | |
columns = [] | |
for field in fields: | |
if field["type"] == "string": | |
dbtype = "varchar(255)" | |
else: | |
dbtype = field["type"] | |
columns.append(" `{}` {}".format( | |
field["name"].lower(), | |
dbtype)) | |
sql_create = "CREATE TABLE games (\n" | |
sql_create += ",\n".join(columns) | |
sql_create += "\n) ENGINE=InnoDB" | |
print(sql_create) | |
conn = pymysql.connect(host='10.0.1.20', | |
user='instructor', | |
password='', | |
db='instructor', | |
charset='utf8mb4', | |
cursorclass=pymysql.cursors.DictCursor) | |
with conn.cursor() as cursor: | |
cursor.execute("DROP TABLE games") | |
cursor.execute(sql_create) | |
with conn.cursor() as cursor: | |
srcdir = "data/premier-league" | |
files = sorted(os.listdir(srcdir)) | |
for file in files: | |
if not file.endswith(".csv"): continue | |
file = srcdir + "/" + file | |
with open(file, "r") as fh: | |
reader = csv.DictReader(fh, delimiter=',') | |
for game in reader: | |
date = datetime.strptime(game["Date"], "%d/%m/%y") | |
date = date.date() | |
game["Date"] = date | |
columnlist = game.keys() | |
dbcolumnlist = [] | |
for column in columnlist: | |
dbcolumnlist.append("`{}`".format(column.lower())) | |
dbcolumnlist = ",".join(dbcolumnlist) | |
placeholders = ",".join(["%s"]*len(columnlist)) | |
sql_insert = "INSERT INTO games ({}) VALUES ({})".format(dbcolumnlist, placeholders) | |
print(sql_insert) | |
cursor.execute(sql_insert, list(game.values())) | |
conn.commit() |
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