大丈夫处世，不能立功建业，不几与草木同腐乎？
Get accessing to data hold by Synpase is easy as long as you have the permission. Below is my script to download data from there, using Python scripts.
I get all Syn_numbers for all files I need to download and save them in bamFiles.txt, and set that as the third parameter of the inputs.
Enjoy it if you also found useful.
Note:
The script is tested in 2022 and works fine.
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import synapseclient
import os
import pandas as pd
import sys
import datetime
#Read the bamFiles.txt to get all syn_numbers and the corresponding names
#filename = '~/public/ROSMAP/RNASeq/bamFiles.txt'
#filenumber = int(sys.argv[1])
start_num = int(sys.argv[1])
end_num = int(sys.argv[2])
#filename = ''.join(['./bamFilesBatch', filenumber])
filename = str(sys.argv[3])
df = pd.read_csv(filename,sep='\t',header=(0))
allsyn = df['synID']
totalLength=len(allsyn)
#Set the login information
syn = synapseclient.Synapse()
syn.login('UserName','Password')
# Obtain a pointer and download the data
# tmpsyn = ('syn4212586','syn4212972','syn4212973')
# Easier test
#tmpsyn= ('syn3505724','syn4300315','syn4300317')
#tmpsyn = allsyn[start_num:(end_num+1)]
newFolder = df['path'][start_num]#''.join((str(start_num),"_",str(end_num)))
directory_current = os.path.join(os.getcwd(),newFolder)
if not os.path.exists(directory_current):
os.makedirs(directory_current)
totalNumber = end_num-start_num+1
currentNumber = start_num
for currentNumber in range(start_num,end_num+1): #Processing from start_num, to end_num
syn_number = allsyn[currentNumber]
print('starting:', (currentNumber+1),"/",totalLength,"(currentJobSize:",totalNumber,")\n", syn_number, "...\n")
syn_pointer = syn.get(entity=syn_number,downloadLocation=newFolder)
# Get the path to the local copy of the data file
# filepath = syn_pointer.path
os.system('say "one file has finished"')
print(syn_number,":",syn_pointer.path ,"\t Finished! \n")
print(datetime.datetime.now(),"\n\n")
syn_pointer = ()
