defbinary_to_text(input_file,output_file):# Load binary data using NumPy binary_data=np.fromfile(input_file,dtype=np.uint8)# Convert binary data to text text_data=''.join(map(chr,binary_data))# Write text data to output filewithopen(output_file,'w')asf:f.write(text_data) # U...
一, 图片与base64编码互相转换 import base64 with open('a.jpg','rb') as f: b6=base64.b64encode(f.read()) print(b6[:50]) # 部分base64编码如下: # 执行结果: b'/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAgGBgcGBQgHBwcJCQ' # 2, 将base64编码转换成图片 with open('b.jpg','wb') as f: ...
Convert Base64 format string to binary data. """ if len(encodedstr) % 4: raise Base64Error("The length of input 'base64str' MUST be multiple of 4.") rawbase64str = encodedstr.rstrip("=") if (len(rawbase64str) % 4) == 1: raise Base64Error("Too many '=' characters, MUST ...
'age':30,'city':'New York'}# Convert the JSON object to a stringjson_string=json.dumps(json_obj)# Convert the string to bytesbyte_data=json_string.encode('utf-8')# Encode the bytesencoded_data=base64.b64encode(byte_data)print(encoded_data)# Output:# b'eyJuYW1lIjogIkpvaG4gRG9lIiw...
在Python 中将图像转换为 Base64 字符串 要将图像转换为 Python 中的 Base64 字符串,我们必须使用提供 b64encode() 方法的 Python base64 模块。Pythonbase64.b64encode()函数使用 Base64 对字符串进行编码并返回该字符串。 句法:base64.b64encode(s[, altchars]) ...
data types in our applications. While using different type of variables we may need to convert th...
``` # Python script to execute SQL queries on a database import sqlite3 def execute_query(connection, query): cursor = connection.cursor() cursor.execute(query) result = cursor.fetchall() return result ``` 说明: 此Python脚本是在数据库上执行SQL查询的通用函数。您可以将查询作为参数与数据库连...
I want to convert below XML object, to JSON I've tried below scala libraries, 1. net.liftweb | lift-json_2.11 | 3.3.0 output: {"body":{"para":"first","para":&qu... How add a new element or modify one in a MatOfPoint3f ? (OpenCV, Java) ...
我正在尝试将文本字符串编码为 base64。 我试过这样做: name = "your name" print('encoding %s in base64 yields = %s\n'%(name,name.encode('base64','strict'))) 但这给了我以下错误: LookupError: 'base64' is not a text encoding; use codecs.encode() to handle arbitrary codecs ...
img = img.convert("RGB") # 把图片强制转成RGB # 图片宽度 width = img.size[0] # 图片高度 height = img.size[1] """对每个坐标区域颜色修改-背景色""" for i in all_lists: key, = i value, = i.values() lists = value """ ...