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bpo-20504 : in cgi.py, fix bug when a multipart/form-data request has… (GH-10638)

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* bpo-20504 : in cgi.py, fix bug when a multipart/form-data request has no content-length header

* Add Misc/NEWS.d/next file.

* Add rst formatting for NEWS.d/next file

* Reaplce assert by self.assertEqual
(cherry picked from commit 2d7cacacc3)

Co-authored-by: Pierre Quentel <pierre.quentel@gmail.com>
This commit is contained in:
Miss Islington (bot) 2019-09-11 05:09:23 -07:00 • committed by GitHub
parent f3e430b079
commit e3bd941e4e
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3 changed files with 24 additions and 3 deletions
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Lib/cgi.py
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@ -461,7 +461,7 @@ class FieldStorage:
if maxlen and clen > maxlen:
raise ValueError('Maximum content length exceeded')
self.length = clen
if self.limit is None and clen:
if self.limit is None and clen >= 0:
self.limit = clen
self.list = self.file = None
@ -642,8 +642,10 @@ class FieldStorage:
if 'content-length' in headers:
del headers['content-length']
limit = None if self.limit is None \
else self.limit - self.bytes_read
part = klass(self.fp, headers, ib, environ, keep_blank_values,
strict_parsing,self.limit-self.bytes_read,
strict_parsing, limit,
self.encoding, self.errors, max_num_fields)
if max_num_fields is not None:
@ -734,7 +736,7 @@ class FieldStorage:
last_line_lfend = True
_read = 0
while 1:
if _read >= self.limit:
if self.limit is not None and _read >= self.limit:
break
line = self.fp.readline(1<<16) # bytes
self.bytes_read += len(line)