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Speed up CSV writing #4

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Speed up CSV writing #4

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13 changes: 10 additions & 3 deletions makephonedict.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,18 +16,25 @@ def make_dict(total, city, isp):
prefixInfo = data['prefixInfo']
no = 0

batch_size = 100000
buffer = []

with open("telephone_number_dict.csv", "w+", encoding="UTF-8", newline='') as f:
writer = csv.writer(f)
writer.writerow(["手机号", "手机号归属地"])
for i in range(len(prefix)):
for n in range(len(suffix)):
phoneNum = prefix[i] + suffix[n]
phoneInfo = prefixInfo[i]['province'] + prefixInfo[i]['city'] + prefixInfo[i]['isp']
print(phoneNum, phoneInfo)
writer.writerow([phoneNum, phoneInfo])
buffer.append([phoneNum, phoneInfo]) # 将要写入的行加入缓冲区
no += 1
print("[*]手机号字典（telephone_number_dict.csv）生成成功，共计生成：{}条，请打开字典查看详细内容！".format(no))

if len(buffer) >= batch_size:
writer.writerows(buffer)
buffer.clear()

if buffer:
writer.writerows(buffer)

if __name__ == '__main__':
try:
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