2017-07-20 85 views
-1

我正在写烧瓶web应用程序,我们可以在其中上传图片并保存在文件系统中。我还希望保存包含城市,拍摄日期等信息的图像,并包含更多功能,例如按照日期排序图像,在用户中受欢迎,按城市排序。 如果我将图像保存到文件系统而不是数据库,该怎么办?上传并保存图片信息

import os 
    from flask import Flask, render_template, request, redirect, url_for, 
    send_from_directory 
    from werkzeug.utils import secure_filename 


    app = Flask(__name__) 

    APP_ROOT = os.path.dirname(os.path.abspath(__file__)) 
    UPLOAD_FOLDER = os.path.join(APP_ROOT, 'static/uploads') 
    app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER 

app.config['ALLOWED_EXTENSIONS'] = set(['png', 'jpg', 'jpeg','gif']) 
    def allowed_file(filename): 
    return '.' in filename and \ 
     filename.rsplit('.', 1)[1] in app.config['ALLOWED_EXTENSIONS'] 


    @app.route('/') 
    def index(): 
     return render_template('index.html') 



@app.route('/upload', methods=['POST']) 
    def upload(): 
     file = request.files['file'] 
     if file and allowed_file(file.filename): 
      filename = secure_filename(file.filename) 
      file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename)) 
     return redirect(url_for('uploaded_file',filename=filename)) 

    @app.route('/uploads/<filename>') 
    def uploaded_file(filename): 
     return send_from_directory(app.config['UPLOAD_FOLDER'],filename) 

    if __name__ == '__main__': 
    app.run(port=4555) 
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后的代码作为文本,而不是图片能够复制和粘贴 – Micho

回答

0

看起来像要访问exif数据。看看这个包:https://pypi.python.org/pypi/ExifRead

import exifread 
# Open image file for reading (binary mode) 
f = open(path_name, 'rb') 

# Return Exif tags 
tags = exifread.process_file(f) 
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我提供的链接将告诉您如何。我还更新了相关部分的答案以获取exif标签。 –

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将来我会添加诸如此类的功能,将我的图片与城市名称分类或显示用户中最近上传的图片中的前十张图片。你认为这是保存每张图片数据的正确方法吗? –