[英]How can I download a file to a specific directory?
我最近一直在嘗試用python創建一個程序,將文件下載到特定目錄。 我正在使用Ubuntu,到目前為止我有這個
import os
import getpass
import urllib2
y = getpass.getuser()
if not os.access('/home/' + y + '/newdir/', os.F_OK):
print("Making New Directory")
os.mkdir('/home/' + y + '/newdir/')
url = ("http://example.com/Examplefile.ex")
file_name = url.split('/')[-1]
u = urllib2.urlopen(url)
f = open(file_name, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])
print "Downloading: %s Bytes: %s" % (file_name, file_size)
file_size_dl = 0
block_sz = 8192
while True:
buffer = u.read(block_sz)
if not buffer:
break
file_size_dl += len(buffer)
f.write(buffer)
status = r"%10d [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
status = status + chr(8)*(len(status)+1)
print status,
f.close()
當前將文件下載到同一目錄中,如何更改下載目錄?
修復了新代碼:
import os
import getpass
import urllib2
y = getpass.getuser()
if not os.access('/home/' + y + '/newdir/', os.F_OK):
print("Making New Directory")
os.mkdir('/home/' + y + '/newdir/')
os.chdir('/home/'+y+'/newdir/')
url = ("http://example.com/Examplefile.ex")
file_name = url.split('/')[-1]
u = urllib2.urlopen(url)
f = open(file_name, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])
print "Downloading: %s Bytes: %s" % (file_name, file_size)
file_size_dl = 0
block_sz = 8192
while True:
buffer = u.read(block_sz)
if not buffer:
break
file_size_dl += len(buffer)
f.write(buffer)
status = r"%10d [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
status = status + chr(8)*(len(status)+1)
print status,
f.close()
抱歉,我當時很蠢,但要回答我添加的問題
os.chdir('/home/' + y + '/newdir/')
在第一個if語句之后:
import os
import getpass
import urllib2
y = getpass.getuser()
if not os.access('/home/' + y + '/newdir/', os.F_OK):
print("Making New Directory")
os.mkdir('/home/' + y + '/newdir/')
os.chdir('/home/'+y+'/newdir/')
url = ("http://example.com/Examplefile.ex")
file_name = url.split('/')[-1]
u = urllib2.urlopen(url)
f = open(file_name, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])
print "Downloading: %s Bytes: %s" % (file_name, file_size)
file_size_dl = 0
block_sz = 8192
while True:
buffer = u.read(block_sz)
if not buffer:
break
file_size_dl += len(buffer)
f.write(buffer)
status = r"%10d [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
status = status + chr(8)*(len(status)+1)
print status,
f.close()
將目錄傳遞到文件名中的open()
。
使用os.path.join將目錄添加到file_name
:
from os.path import join
directory = join('/home/', y, '/newdir/')
# You can now use directory everywhere you used to build the directory name
# and then, later in the script:
file_name = url.split('/')[-1]
file_name = join(directory, file_name)
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