init

supplier/rs_data.py

+from utils.file_handle import unzip
+
+
+
+if __name__ == '__main__':
+    unzip('rs_components_cn_chiplink.csv.zip', './')
\ No newline at end of file

utils/file_handle.py

+import zipfile
+
+
+def unzip(zip_path, save_path):
+    """
+    unzip the file like *.zip
+    save_path means the directory where you want to save the unzip file.
+    """
+    f = zipfile.ZipFile(zip_path)
+    print('start unzip the file...')
+    f.extractall(save_path)
+    print('the unzipping process is over...')
+    f.close()
+

utils/ftp.py

+import ftplib
+
+
+class FTPUtil:
+
+    def __init__(
+            self,
+            *,
+            host="localhost",
+            port=21,
+            passive=True,
+            username="",
+            password=""):
+        ftp = ftplib.FTP()
+        ftp.connect(host, port)
+        ftp.login(username, password)
+        ftp.set_pasv(passive)
+        self.ftp = ftp
+
+    def get_connection(self):
+        return self.ftp
+
+    def download(self, remote_path, local_path):
+        """
+        remote_path means the remote file name
+        and local_path is the local file name.
+        """
+        with open(local_path, 'wb') as fp:
+            self.ftp.retrbinary('RETR ' + remote_path, fp.write)
+
+