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Issue #16250: Fix the invocations of URLError which had misplaced filename attribute for exception

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This commit is contained in:
Senthil Kumaran 2012-10-21 18:31:25 -07:00
parent 1348747052
commit 3ebef36eea
3 changed files with 46 additions and 15 deletions
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26
Lib/urllib/request.py
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@ -1419,9 +1419,9 @@ class FileHandler(BaseHandler):
else:
origurl = 'file://' + filename
return addinfourl(open(localfile, 'rb'), headers, origurl)
except OSError as msg:
except OSError as exp:
# users shouldn't expect OSErrors coming from urlopen()
raise URLError(msg)
raise URLError(exp)
raise URLError('file not on local host')
def _safe_gethostbyname(host):
@ -1480,8 +1480,8 @@ class FTPHandler(BaseHandler):
headers += "Content-length: %d\n" % retrlen
headers = email.message_from_string(headers)
return addinfourl(fp, headers, req.full_url)
except ftplib.all_errors as msg:
exc = URLError('ftp error: %s' % msg)
except ftplib.all_errors as exp:
exc = URLError('ftp error: %r' % exp)
raise exc.with_traceback(sys.exc_info()[2])
def connect_ftp(self, user, passwd, host, port, dirs, timeout):
@ -1876,7 +1876,7 @@ class URLopener:
def open_file(self, url):
"""Use local file or FTP depending on form of URL."""
if not isinstance(url, str):
raise URLError('file error', 'proxy support for file protocol currently not implemented')
raise URLError('file error: proxy support for file protocol currently not implemented')
if url[:2] == '//' and url[2:3] != '/' and url[2:12].lower() != 'localhost/':
raise ValueError("file:// scheme is supported only on localhost")
else:
@ -1912,15 +1912,15 @@ class URLopener:
elif file[:2] == './':
raise ValueError("local file url may start with / or file:. Unknown url of type: %s" % url)
return addinfourl(open(localname, 'rb'), headers, urlfile)
raise URLError('local file error', 'not on local host')
raise URLError('local file error: not on local host')
def open_ftp(self, url):
"""Use FTP protocol."""
if not isinstance(url, str):
raise URLError('ftp error', 'proxy support for ftp protocol currently not implemented')
raise URLError('ftp error: proxy support for ftp protocol currently not implemented')
import mimetypes
host, path = splithost(url)
if not host: raise URLError('ftp error', 'no host given')
if not host: raise URLError('ftp error: no host given')
host, port = splitport(host)
user, host = splituser(host)
if user: user, passwd = splitpasswd(user)
@ -1969,13 +1969,13 @@ class URLopener:
headers += "Content-Length: %d\n" % retrlen
headers = email.message_from_string(headers)
return addinfourl(fp, headers, "ftp:" + url)
except ftperrors() as msg:
raise URLError('ftp error', msg).with_traceback(sys.exc_info()[2])
except ftperrors() as exp:
raise URLError('ftp error %r' % exp).with_traceback(sys.exc_info()[2])
def open_data(self, url, data=None):
"""Use "data" URL."""
if not isinstance(url, str):
raise URLError('data error', 'proxy support for data protocol currently not implemented')
raise URLError('data error: proxy support for data protocol currently not implemented')
# ignore POSTed data
#
# syntax of data URLs:
@ -2304,7 +2304,7 @@ class ftpwrapper:
conn, retrlen = self.ftp.ntransfercmd(cmd)
except ftplib.error_perm as reason:
if str(reason)[:3] != '550':
raise URLError('ftp error', reason).with_traceback(
raise URLError('ftp error: %d' % reason).with_traceback(
sys.exc_info()[2])
if not conn:
# Set transfer mode to ASCII!
@ -2316,7 +2316,7 @@ class ftpwrapper:
try:
self.ftp.cwd(file)
except ftplib.error_perm as reason:
raise URLError('ftp error', reason) from reason
raise URLError('ftp error: %d' % reason) from reason
finally:
self.ftp.cwd(pwd)
cmd = 'LIST ' + file