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我没有得到在字符串格式化过程中转换的所有参数，但我的代码实际上工作。有人能告诉我我的代码有什么问题吗？ 当我运行这个时，它会返回错误，但是当我通过调用Query_Workers（）来查看列表中的工作时，看起来我选择的人已成功移除。我得到一个错误，但我的代码正在工作。 Python和PostgreSQL
def Remove_Directors(id, name):
conn = None
try:
# read the connection parameters
params = config()
# connect to the PostgreSQL server
conn = psycopg2.connect(**params)
cur = conn.cursor()
# create table one by one
#for command in commands:
# cur.execute(command)
SQL = "DELETE FROM directors WHERE id = (%s);"
#cur.execute("DELETE FROM directors WHERE id = (%s)", (id))
id = (id,)
cur.execute(SQL, id)
# close communication with the PostgreSQL database server
cur.close()
# commit the changes
conn.commit()
print ("%s has been removed from Directors.") % (name)
except (Exception, psycopg2.DatabaseError) as error:
print(error)
finally:
if conn is not None:
conn.close()
def Modify():
print "Choose Options"
option = raw_input("Press A for adding a member, R for removing a member, or V for Viewing members: ")
if option.upper() == "A":
print "Adding a member."
Director_or_EventManager = raw_input("Is the new member a director or an event manager?\nPress D for Director or E for Event Manager:")
if Director_or_EventManager.upper() == "D":
ID_Entered_Correctly = False
while ID_Entered_Correctly == False:
id = raw_input("Enter 10 digit ID: ")
if len(id) == 10:
ID_Entered_Correctly = True
else:
print "Invalid ID"
name = raw_input("Enter Name: ")
Add_Directors(id, name)
if Director_or_EventManager.upper() == "E":
ID_Entered_Correctly = False
while ID_Entered_Correctly == False:
id = raw_input("Enter 10 digit ID: ")
if len(id) == 10:
ID_Entered_Correctly = True
else:
print "Invalid ID"
name = raw_input("Enter Name: ")
Add_Event_Managerss(id, name)
elif option.upper() == "R":
print "Removing a member."
Director_or_EventManager = raw_input("Is the member a director or an event manager?\nPress D for Director or E for Event Manager:")
if Director_or_EventManager.upper() == "D":
conn = None
try:
params = config()
conn = psycopg2.connect(**params)
cur = conn.cursor()
cur.execute("SELECT id, name FROM directors ORDER BY name")
directors = cur.fetchall()
print ("\tNumber\tID\t\tName")
ids = []
names = []
count = 1
for director in directors:
print ("\t%s\t%s\t%s") % (count, director[0], director[1])
ids.append(director[0])
names.append(directors[1])
count += 1
cur.close()
except (Exception, psycopg2.DatabaseError) as error:
print(error)
finally:
if conn is not None:
conn.close()
count -= 1
num_director = int(raw_input("Enter the number of director to remove: "))
if num_director <= 0 or num_director > count:
print "Invalid entry"
else:
id = ids[num_director - 1]
name = names[ids.index(id)]
print id
print name
Remove_Directors(id, name)
elif option.upper() == "V":
Query_Workers()
else:
print "Invalid option"