[issue37678] Incorrect behaviour for user@password URI pattern in urlparse

[Sean Wang]

New submission from Sean Wang :

When an IPV4 URL with 'username:password' in it, and the password contains 
special characters like #[]?, urlparse would act as unexcepted.
example: 

urlparse('http://user:pass#?[w...@example.com:80/path')

--
components: Library (Lib)
messages: 348431
nosy: Sean.Wang
priority: normal
severity: normal
status: open
title: Incorrect behaviour for user@password URI pattern in urlparse
type: behavior
versions: Python 2.7, Python 3.5, Python 3.6, Python 3.7

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[issue2931] optparse: various problems with unicode and gettext

[Sean Wang]

Sean Wang added the comment:

This bug still exists in Python 2.7.10 with optparse version 1.5.3.
When the default_value is not ASCII encoded, it would raise 
`UnicodeEncodeError: 'ascii' codec can't encode characters`

this error is due to the `str` usage in `expand_default` method:

def expand_default(self, option):
if self.parser is None or not self.default_tag:
return option.help

default_value = self.parser.defaults.get(option.dest)
if default_value is NO_DEFAULT or default_value is None:
default_value = self.NO_DEFAULT_VALUE

return option.help.replace(self.default_tag, str(default_value))

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nosy: +Sean.Wang

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[issue2931] optparse: various problems with unicode and gettext

[Sean Wang]

Sean Wang added the comment:

Sorry, missed one condition:
I used `unicode_literals` in Python 2.7.10, example below:

>>> from __future__ import unicode_literals
>>> str('api名称')
Traceback (most recent call last):
  File "", line 1, in 
UnicodeEncodeError: 'ascii' codec can't encode characters in position 3-4: 
ordinal not in range(128)

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[issue2931] optparse: various problems with unicode and gettext

[Sean Wang]

Sean Wang added the comment:

when an unicode option.default_value could not be ascii encoded, it would throw 
exception, detailed logs below:
  File "/Users/seanwang/Documents/dev/foo/bar.py", line 119, in main
parser.print_help()
  File 
"/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/optparse.py",
 line 1670, in print_help
file.write(self.format_help().encode(encoding, "replace"))
  File 
"/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/optparse.py",
 line 1650, in format_help
result.append(self.format_option_help(formatter))
  File 
"/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/optparse.py",
 line 1630, in format_option_help
result.append(OptionContainer.format_option_help(self, formatter))
  File 
"/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/optparse.py",
 line 1074, in format_option_help
result.append(formatter.format_option(option))
  File 
"/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/optparse.py",
 line 316, in format_option
help_text = self.expand_default(option)
  File 
"/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/optparse.py",
 line 288, in expand_default
return option.help.replace(self.default_tag, str(default_value))
UnicodeEncodeError: 'ascii' codec can't encode characters in position 3-4: 
ordinal not in range(128)

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[issue25534] SimpleHTTPServer throwed an exception due to negtive st_mtime attr in file

[Sean Wang]

New submission from Sean Wang:

I transfered a file from remote Debian host to my local Windows 10 host using 
SecureFX.
I found that the file's last modifed date was ‎1900‎/‎1‎/1‎，‏‎0:00:00 on 
Windows.

I tried to serve this file to be downloaded, and it crashed as follows:
Exception happened during processing of request from ('192.168.1.102', 50978)

Traceback (most recent call last):
  File "C:\Python27\lib\SocketServer.py", line 295, in _handle_request_noblock
self.process_request(request, client_address)
  File "C:\Python27\lib\SocketServer.py", line 321, in process_request
self.finish_request(request, client_address)
  File "C:\Python27\lib\SocketServer.py", line 334, in finish_request
self.RequestHandlerClass(request, client_address, self)
  File "C:\Python27\lib\SocketServer.py", line 655, in __init__
self.handle()
  File "C:\Python27\lib\BaseHTTPServer.py", line 340, in handle
self.handle_one_request()
  File "C:\Python27\lib\BaseHTTPServer.py", line 328, in handle_one_request
method()
  File "C:\Python27\lib\SimpleHTTPServer.py", line 45, in do_GET
f = self.send_head()
  File "C:\Python27\lib\SimpleHTTPServer.py", line 103, in send_head
self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
  File "C:\Python27\lib\BaseHTTPServer.py", line 468, in date_time_string
year, month, day, hh, mm, ss, wd, y, z = time.gmtime(timestamp)
ValueError: (22, 'Invalid argument')

I have checked the source code, and found it was because of the last modifed 
date of the file, I got this in console:

>>> os.fstat(f.fileno())
nt.stat_result(st_mode=33206, st_ino=4785074604093500L, st_dev=0L, st_nlink=1, 
st_uid=0, st_gid=0, st_size=3406L, st_atime=1446477520L, st_mtime=-2209017600L, 
st_ctime=1446370767L)

-2209017600L cannot be handled by "time.gmtime()" method and it throwed 
error

--
components: Library (Lib)
messages: 253926
nosy: Sean.Wang
priority: normal
severity: normal
status: open
title: SimpleHTTPServer throwed an exception due to negtive st_mtime attr in 
file
type: crash
versions: Python 2.7

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[issue25534] SimpleHTTPServer throwed an exception due to negtive st_mtime attr in file

[Sean Wang]

Sean Wang added the comment:

upload a sample test file

--
Added file: http://bugs.python.org/file40929/test

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[issue14311] ConfigParser does not parse utf-8 files with BOM bytes

[Sean Wang]

New submission from Sean Wang wangxiao8...@gmail.com:

ConfigParser failed to parse a utf-8 file with BOM bytes('\xef\xbb\xbf'),
it would raise ConfigParser.MissingSectionHeaderError.

I think that other files with BOM would have the same problem; because the 
argument SECTCRE does not consider the BOM conditions.

Now the workaround is like below:

cp=ConfigParser.ConfigParser()
cfgfile=os.path.join(curpath,'config.cfg')
cp.readfp(codecs.open(cfgfile, 'r','utf-8-sig'))

--
components: Library (Lib)
messages: 155843
nosy: Sean.Wang
priority: normal
severity: normal
status: open
title: ConfigParser does not parse utf-8 files with BOM bytes
type: behavior
versions: Python 2.7

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