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Fix httpdownloader error with existing filename

This commit is contained in:
Calum Lind 2011-07-06 21:35:53 +01:00
parent 8644bc219a
commit 8e8717c867
1 changed files with 16 additions and 14 deletions
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30
deluge/httpdownloader.py
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@ -51,6 +51,8 @@ class HTTPDownloader(client.HTTPDownloader):
:type url: string
:param filename: the filename to save the file as
:type filename: string
:param force_filename: forces use of the supplied filename, regardless of header content
:type force_filename: bool
:param part_callback: a function to be called when a part of data
is received, it's signature should be: func(data, current_length, total_length)
:type part_callback: function
@ -84,15 +86,20 @@ class HTTPDownloader(client.HTTPDownloader):
self.decoder = zlib.decompressobj(zlib.MAX_WBITS + 32)
if "content-disposition" in headers and not self.force_filename:
try:
new_file_name = str(headers["content-disposition"][0]).split(";")[1].split("=")[1]
new_file_name = sanitise_filename(new_file_name)
new_file_name = os.path.join(os.path.split(self.fileName)[0], new_file_name)
except Exception, e:
log.exception(e)
else:
self.fileName = new_file_name
self.value = new_file_name
new_file_name = str(headers["content-disposition"][0]).split(";")[1].split("=")[1]
new_file_name = sanitise_filename(new_file_name)
new_file_name = os.path.join(os.path.split(self.fileName)[0], new_file_name)
count = 1
fileroot = os.path.splitext(new_file_name)[0]
fileext = os.path.splitext(new_file_name)[1]
while os.path.isfile(new_file_name):
# Increment filename if already exists
new_file_name = "%s-%s%s" % (fileroot, count, fileext)
count += 1
self.fileName = new_file_name
self.value = new_file_name
elif self.code in (http.MOVED_PERMANENTLY, http.FOUND, http.SEE_OTHER, http.TEMPORARY_REDIRECT):
location = headers["location"][0]
@ -129,8 +136,6 @@ def sanitise_filename(filename):
:type filename: string
:returns: the sanitised filename
:rtype: string
:raises IOError: when the filename exists
"""
# Remove any quotes
@ -147,9 +152,6 @@ def sanitise_filename(filename):
# Dodgy server, log it
log.warning("Potentially malicious server: trying to write to file '%s'" % filename)
if os.path.exists(filename):
raise IOError, "File '%s' already exists!" % filename
return filename
def download_file(url, filename, callback=None, headers=None, force_filename=False, allow_compression=True):