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Rename stringutils to encodingutil, and drop listdir_unicode and open_unicode (since the Python stdlib functions work fine with Unicode paths). Also move some utility functions to fileutil.

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This commit is contained in:
david-sarah 2010-07-11 17:30:15 -07:00
parent fa0fd66e17
commit 11077ea74d
21 changed files with 67 additions and 263 deletions
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2
src/allmydata/dirnode.py
View File

@ -16,7 +16,7 @@ from allmydata.check_results import DeepCheckResults, \
DeepCheckAndRepairResults
from allmydata.monitor import Monitor
from allmydata.util import hashutil, mathutil, base32, log
from allmydata.util.stringutils import quote_output
from allmydata.util.encodingutil import quote_output
from allmydata.util.assertutil import precondition
from allmydata.util.netstring import netstring, split_netstring
from allmydata.util.consumer import download_to_data

2
src/allmydata/scripts/cli.py
View File

@ -1,7 +1,7 @@
import os.path, re, sys, fnmatch
from twisted.python import usage
from allmydata.scripts.common import BaseOptions, get_aliases
from allmydata.util.stringutils import argv_to_unicode
from allmydata.util.encodingutil import argv_to_unicode
NODEURL_RE=re.compile("http(s?)://([^:]*)(:([1-9][0-9]*))?")

2
src/allmydata/scripts/common.py
View File

@ -2,7 +2,7 @@
import os, sys, urllib
import codecs
from twisted.python import usage
from allmydata.util.stringutils import unicode_to_url, quote_output
from allmydata.util.encodingutil import unicode_to_url, quote_output
from allmydata.util.assertutil import precondition
class BaseOptions:

2
src/allmydata/scripts/common_http.py
View File

@ -3,7 +3,7 @@ from cStringIO import StringIO
import urlparse, httplib
import allmydata # for __full_version__
from allmydata.util.stringutils import quote_output
from allmydata.util.encodingutil import quote_output
from allmydata.scripts.common import TahoeError

2
src/allmydata/scripts/slow_operation.py
View File

@ -4,7 +4,7 @@ from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path, \
UnknownAliasError
from allmydata.scripts.common_http import do_http, format_http_error
from allmydata.util import base32
from allmydata.util.stringutils import quote_output, is_printable_ascii
from allmydata.util.encodingutil import quote_output, is_printable_ascii
import urllib
import simplejson

2
src/allmydata/scripts/tahoe_add_alias.py
View File

@ -5,7 +5,7 @@ from allmydata import uri
from allmydata.scripts.common_http import do_http, check_http_error
from allmydata.scripts.common import get_aliases
from allmydata.util.fileutil import move_into_place
from allmydata.util.stringutils import unicode_to_output, quote_output
from allmydata.util.encodingutil import unicode_to_output, quote_output
def add_line_to_aliasfile(aliasfile, alias, cap):

11
src/allmydata/scripts/tahoe_backup.py
View File

@ -9,7 +9,8 @@ from allmydata.scripts.common import get_alias, escape_path, DEFAULT_ALIAS, \
from allmydata.scripts.common_http import do_http, HTTPError, format_http_error
from allmydata.util import time_format
from allmydata.scripts import backupdb
from allmydata.util.stringutils import listdir_unicode, open_unicode, quote_output, to_str
from allmydata.util.encodingutil import quote_output, to_str
from allmydata.util.fileutil import open_expanduser
from allmydata.util.assertutil import precondition
@ -166,11 +167,15 @@ class BackerUpper:
compare_contents = {} # childname -> rocap
try:
children = listdir_unicode(localpath)
children = os.listdir(localpath)
except EnvironmentError:
self.directories_skipped += 1
self.warn("WARNING: permission denied on directory %s" % quote_output(localpath))
children = []
except (UnicodeEncodeError, UnicodeDecodeError):
self.directories_skipped += 1
self.warn("WARNING: could not list directory %s due to an encoding error" % quote_output(localpath))
children = []
for child in self.options.filter_listdir(children):
assert isinstance(child, unicode), child
@ -292,7 +297,7 @@ class BackerUpper:
if must_upload:
self.verboseprint("uploading %s.." % quote_output(childpath))
infileobj = open_unicode(childpath, "rb")
infileobj = open_expanduser(childpath, "rb")
url = self.options['node-url'] + "uri"
resp = do_http("PUT", url, infileobj)
if resp.status not in (200, 201):

2
src/allmydata/scripts/tahoe_check.py
View File

@ -5,7 +5,7 @@ from twisted.protocols.basic import LineOnlyReceiver
from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path, \
UnknownAliasError
from allmydata.scripts.common_http import do_http, format_http_error
from allmydata.util.stringutils import quote_output, quote_path
from allmydata.util.encodingutil import quote_output, quote_path
class Checker:
pass

35
src/allmydata/scripts/tahoe_cp.py
View File

@ -8,25 +8,12 @@ from allmydata.scripts.common import get_alias, escape_path, \
DefaultAliasMarker, TahoeError
from allmydata.scripts.common_http import do_http, HTTPError
from allmydata import uri
from allmydata.util.stringutils import unicode_to_url, listdir_unicode, open_unicode, \
abspath_expanduser_unicode, quote_output, to_str
from allmydata.util.encodingutil import unicode_to_url, quote_output, to_str
from allmydata.util import fileutil
from allmydata.util.fileutil import open_expanduser, abspath_expanduser
from allmydata.util.assertutil import precondition
def _put_local_file(pathname, inf):
# TODO: create temporary file and move into place?
# TODO: move this to fileutil.
outf = open_unicode(pathname, "wb")
try:
while True:
data = inf.read(32768)
if not data:
break
outf.write(data)
finally:
outf.close()
class MissingSourceError(TahoeError):
def __init__(self, name):
TahoeError.__init__(self, "No such file or directory %s" % quote_output(name))
@ -81,7 +68,7 @@ class LocalFileSource:
return True
def open(self, caps_only):
return open_unicode(self.pathname, "rb")
return open_expanduser(self.pathname, "rb")
class LocalFileTarget:
@ -90,7 +77,7 @@ class LocalFileTarget:
self.pathname = pathname
def put_file(self, inf):
_put_local_file(self.pathname, inf)
fileutil.put_file(self.pathname, inf)
class LocalMissingTarget:
@ -99,7 +86,7 @@ class LocalMissingTarget:
self.pathname = pathname
def put_file(self, inf):
_put_local_file(self.pathname, inf)
fileutil.put_file(self.pathname, inf)
class LocalDirectorySource:
@ -114,7 +101,7 @@ class LocalDirectorySource:
if self.children is not None:
return
self.children = {}
children = listdir_unicode(self.pathname)
children = os.listdir(self.pathname)
for i,n in enumerate(children):
self.progressfunc("examining %d of %d" % (i, len(children)))
pn = os.path.join(self.pathname, n)
@ -142,7 +129,7 @@ class LocalDirectoryTarget:
if self.children is not None:
return
self.children = {}
children = listdir_unicode(self.pathname)
children = os.listdir(self.pathname)
for i,n in enumerate(children):
self.progressfunc("examining %d of %d" % (i, len(children)))
n = unicode(n)
@ -168,7 +155,7 @@ class LocalDirectoryTarget:
def put_file(self, name, inf):
precondition(isinstance(name, unicode), name)
pathname = os.path.join(self.pathname, name)
_put_local_file(pathname, inf)
fileutil.put_file(pathname, inf)
def set_children(self):
pass
@ -525,7 +512,7 @@ class Copier:
rootcap, path = get_alias(self.aliases, destination_spec, None)
if rootcap == DefaultAliasMarker:
# no alias, so this is a local file
pathname = abspath_expanduser_unicode(path.decode('utf-8'))
pathname = abspath_expanduser(path.decode('utf-8'))
if not os.path.exists(pathname):
t = LocalMissingTarget(pathname)
elif os.path.isdir(pathname):
@ -565,7 +552,7 @@ class Copier:
rootcap, path = get_alias(self.aliases, source_spec, None)
if rootcap == DefaultAliasMarker:
# no alias, so this is a local file
pathname = abspath_expanduser_unicode(path.decode('utf-8'))
pathname = abspath_expanduser(path.decode('utf-8'))
name = os.path.basename(pathname)
if not os.path.exists(pathname):
raise MissingSourceError(source_spec)

4
src/allmydata/scripts/tahoe_get.py
View File

@ -3,7 +3,7 @@ import urllib
from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path, \
UnknownAliasError
from allmydata.scripts.common_http import do_http, format_http_error
from allmydata.util.stringutils import open_unicode
from allmydata.util.fileutil import open_expanduser
def get(options):
nodeurl = options['node-url']
@ -27,7 +27,7 @@ def get(options):
resp = do_http("GET", url)
if resp.status in (200, 201,):
if to_file:
outf = open_unicode(to_file, "wb")
outf = open_expanduser(to_file, "wb")
else:
outf = stdout
while True:

2
src/allmydata/scripts/tahoe_ls.py
View File

@ -4,7 +4,7 @@ import simplejson
from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path, \
UnknownAliasError
from allmydata.scripts.common_http import do_http, format_http_error
from allmydata.util.stringutils import unicode_to_output, quote_output, is_printable_ascii, to_str
from allmydata.util.encodingutil import unicode_to_output, quote_output, is_printable_ascii, to_str
def list(options):
nodeurl = options['node-url']

2
src/allmydata/scripts/tahoe_manifest.py
View File

@ -6,7 +6,7 @@ from allmydata.scripts.slow_operation import SlowOperationRunner
from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path, \
UnknownAliasError
from allmydata.scripts.common_http import do_http, format_http_error
from allmydata.util.stringutils import quote_output, quote_path
from allmydata.util.encodingutil import quote_output, quote_path
class FakeTransport:
disconnecting = False

2
src/allmydata/scripts/tahoe_mkdir.py
View File

@ -2,7 +2,7 @@
import urllib
from allmydata.scripts.common_http import do_http, check_http_error
from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, UnknownAliasError
from allmydata.util.stringutils import quote_output
from allmydata.util.encodingutil import quote_output
def mkdir(options):
nodeurl = options['node-url']

2
src/allmydata/scripts/tahoe_mv.py
View File

@ -5,7 +5,7 @@ import simplejson
from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path, \
UnknownAliasError
from allmydata.scripts.common_http import do_http, format_http_error
from allmydata.util.stringutils import to_str
from allmydata.util.encodingutil import to_str
# this script is used for both 'mv' and 'ln'

5
src/allmydata/scripts/tahoe_put.py
View File

@ -4,7 +4,8 @@ import urllib
from allmydata.scripts.common_http import do_http, format_http_success, format_http_error
from allmydata.scripts.common import get_alias, DEFAULT_ALIAS, escape_path, \
UnknownAliasError
from allmydata.util.stringutils import quote_output, open_unicode
from allmydata.util.encodingutil import quote_output
from allmydata.util.fileutil import open_expanduser
def put(options):
"""
@ -64,7 +65,7 @@ def put(options):
if mutable:
url += "?mutable=true"
if from_file:
infileobj = open_unicode(from_file, "rb")
infileobj = open_expanduser(from_file, "rb")
else:
# do_http() can't use stdin directly: for one thing, we need a
# Content-Length field. So we currently must copy it.

4
src/allmydata/test/test_backupdb.py
View File

@ -4,7 +4,7 @@ from StringIO import StringIO
from twisted.trial import unittest
from allmydata.util import fileutil
from allmydata.util.stringutils import listdir_unicode, get_filesystem_encoding, unicode_platform
from allmydata.util.encodingutil import get_filesystem_encoding, unicode_platform
from allmydata.util.assertutil import precondition
from allmydata.scripts import backupdb
@ -249,7 +249,7 @@ class BackupDB(unittest.TestCase):
self.failUnless(bdb)
self.writeto(u"f\u00f6\u00f6.txt", "foo.txt")
files = [fn for fn in listdir_unicode(unicode(basedir)) if fn.endswith(".txt")]
files = [fn for fn in os.listdir(unicode(basedir)) if fn.endswith(".txt")]
self.failUnlessEqual(len(files), 1)
foo_fn = os.path.join(basedir, files[0])
#print foo_fn, type(foo_fn)

20
src/allmydata/test/test_cli.py
View File

@ -31,8 +31,8 @@ from twisted.internet import threads # CLI tests use deferToThread
from twisted.python import usage
from allmydata.util.assertutil import precondition
from allmydata.util.stringutils import listdir_unicode, open_unicode, unicode_platform, \
quote_output, get_output_encoding, get_argv_encoding, get_filesystem_encoding, \
from allmydata.util.encodingutil import unicode_platform, quote_output, \
get_output_encoding, get_argv_encoding, get_filesystem_encoding, \
unicode_to_output, to_str
timeout = 480 # deep_check takes 360s on Zandr's linksys box, others take > 240s
@ -439,9 +439,9 @@ class CLI(CLITestMixin, unittest.TestCase):
fileutil.make_dirs(basedir)
for name in filenames:
open_unicode(os.path.join(unicode(basedir), name), "wb").close()
open(os.path.join(unicode(basedir), name), "wb").close()
for file in listdir_unicode(unicode(basedir)):
for file in os.listdir(unicode(basedir)):
self.failUnlessIn(normalize(file), filenames)
@ -974,11 +974,7 @@ class Put(GridTestMixin, CLITestMixin, unittest.TestCase):
rel_fn = os.path.join(unicode(self.basedir), u"à trier.txt")
# we make the file small enough to fit in a LIT file, for speed
DATA = "short file"
f = open_unicode(rel_fn, "wb")
try:
f.write(DATA)
finally:
f.close()
fileutil.write(rel_fn, DATA)
d = self.do_cli("create-alias", "tahoe")
@ -1349,11 +1345,7 @@ class Cp(GridTestMixin, CLITestMixin, unittest.TestCase):
self.set_up_grid()
DATA1 = "unicode file content"
f = open_unicode(fn1, "wb")
try:
f.write(DATA1)
finally:
f.close()
fileutil.write(fn1, DATA1)
fn2 = os.path.join(self.basedir, "Metallica")
DATA2 = "non-unicode file content"

138
src/allmydata/test/test_stringutils.py → src/allmydata/test/test_encodingutil.py
View File

@ -13,9 +13,7 @@ TEST_FILENAMES = (
# systems.
if __name__ == "__main__":
import sys, os
import tempfile
import shutil
import sys
import platform
if len(sys.argv) != 2:
@ -31,24 +29,8 @@ if __name__ == "__main__":
print " filesystem_encoding = '%s'" % sys.getfilesystemencoding()
print " output_encoding = '%s'" % sys.stdout.encoding
print " argv_encoding = '%s'" % (sys.platform == "win32" and 'ascii' or sys.stdout.encoding)
try:
tmpdir = tempfile.mkdtemp()
for fname in TEST_FILENAMES:
open(os.path.join(tmpdir, fname), 'w').close()
# Use Unicode API under Windows or MacOS X
if sys.platform in ('win32', 'darwin'):
dirlist = os.listdir(unicode(tmpdir))
else:
dirlist = os.listdir(tmpdir)
print " dirlist = %s" % repr(dirlist)
except:
print " # Oops, I cannot write filenames containing non-ascii characters"
print
shutil.rmtree(tmpdir)
sys.exit(0)
from twisted.trial import unittest
@ -56,10 +38,8 @@ from mock import patch
import sys
from allmydata.test.common_util import ReallyEqualMixin
from allmydata.util.stringutils import argv_to_unicode, unicode_to_url, \
unicode_to_output, unicode_platform, listdir_unicode, open_unicode, \
FilenameEncodingError, get_output_encoding, _reload
from allmydata.dirnode import normalize
from allmydata.util.encodingutil import argv_to_unicode, unicode_to_url, \
unicode_to_output, unicode_platform, get_output_encoding, _reload
from twisted.python import usage
@ -102,61 +82,6 @@ class StringUtilsErrors(ReallyEqualMixin, unittest.TestCase):
_reload()
self.failUnlessRaises(UnicodeEncodeError, unicode_to_output, lumiere_nfc)
@patch('os.listdir')
def test_no_unicode_normalization(self, mock):
# Pretend to run on a Unicode platform.
# We normalized to NFC in 1.7beta, but we now don't.
orig_platform = sys.platform
try:
sys.platform = 'darwin'
mock.return_value = [Artonwall_nfd]
_reload()
self.failUnlessReallyEqual(listdir_unicode(u'/dummy'), [Artonwall_nfd])
finally:
sys.platform = orig_platform
# The following tests applies only to platforms which don't store filenames as
# Unicode entities on the filesystem.
class StringUtilsNonUnicodePlatform(unittest.TestCase):
def setUp(self):
# Mock sys.platform because unicode_platform() uses it
self.original_platform = sys.platform
sys.platform = 'linux'
def tearDown(self):
sys.platform = self.original_platform
_reload()
@patch('sys.getfilesystemencoding')
@patch('os.listdir')
def test_listdir_unicode(self, mock_listdir, mock_getfilesystemencoding):
# What happens if latin1-encoded filenames are encountered on an UTF-8
# filesystem?
mock_listdir.return_value = [
lumiere_nfc.encode('utf-8'),
lumiere_nfc.encode('latin1')]
mock_getfilesystemencoding.return_value = 'utf-8'
_reload()
self.failUnlessRaises(FilenameEncodingError,
listdir_unicode,
u'/dummy')
# We're trying to list a directory whose name cannot be represented in
# the filesystem encoding. This should fail.
mock_getfilesystemencoding.return_value = 'ascii'
_reload()
self.failUnlessRaises(FilenameEncodingError,
listdir_unicode,
u'/' + lumiere_nfc)
@patch('sys.getfilesystemencoding')
def test_open_unicode(self, mock):
mock.return_value = 'ascii'
_reload()
self.failUnlessRaises(FilenameEncodingError,
open_unicode,
lumiere_nfc, 'rb')
class StringUtils(ReallyEqualMixin):
def setUp(self):
@ -202,56 +127,6 @@ class StringUtils(ReallyEqualMixin):
_reload()
self.failUnlessReallyEqual(unicode_platform(), matrix[self.platform])
@patch('sys.getfilesystemencoding')
@patch('os.listdir')
def test_listdir_unicode(self, mock_listdir, mock_getfilesystemencoding):
if 'dirlist' not in dir(self):
return
try:
u"test".encode(self.filesystem_encoding)
except (LookupError, AttributeError):
raise unittest.SkipTest("This platform does not support the '%s' filesystem encoding "
"that we are testing for the benefit of a different platform."
% (self.filesystem_encoding,))
mock_listdir.return_value = self.dirlist
mock_getfilesystemencoding.return_value = self.filesystem_encoding
_reload()
filenames = listdir_unicode(u'/dummy')
self.failUnlessEqual(set([normalize(fname) for fname in filenames]),
set(TEST_FILENAMES))
@patch('sys.getfilesystemencoding')
@patch('__builtin__.open')
def test_open_unicode(self, mock_open, mock_getfilesystemencoding):
mock_getfilesystemencoding.return_value = self.filesystem_encoding
fn = u'/dummy_directory/" + lumiere_nfc + ".txt'
try:
u"test".encode(self.filesystem_encoding)
except (LookupError, AttributeError):
raise unittest.SkipTest("This platform does not support the '%s' filesystem encoding "
"that we are testing for the benefit of a different platform."
% (self.filesystem_encoding,))
_reload()
try:
open_unicode(fn, 'rb')
except FilenameEncodingError:
return
# Pass Unicode string to open() on Unicode platforms
if unicode_platform():
mock_open.assert_called_with(fn, 'rb')
# Pass correctly encoded bytestrings to open() on non-Unicode platforms
else:
fn_bytestring = fn.encode(self.filesystem_encoding)
mock_open.assert_called_with(fn_bytestring, 'rb')
class UbuntuKarmicUTF8(StringUtils, unittest.TestCase):
uname = 'Linux korn 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x86_64'
@ -261,7 +136,6 @@ class UbuntuKarmicUTF8(StringUtils, unittest.TestCase):
filesystem_encoding = 'UTF-8'
output_encoding = 'UTF-8'
argv_encoding = 'UTF-8'
dirlist = ['test_file', '\xc3\x84rtonwall.mp3', 'Blah blah.txt']
class UbuntuKarmicLatin1(StringUtils, unittest.TestCase):
uname = 'Linux korn 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x86_64'
@ -271,7 +145,6 @@ class UbuntuKarmicLatin1(StringUtils, unittest.TestCase):
filesystem_encoding = 'ISO-8859-1'
output_encoding = 'ISO-8859-1'
argv_encoding = 'ISO-8859-1'
dirlist = ['test_file', 'Blah blah.txt', '\xc4rtonwall.mp3']
class WindowsXP(StringUtils, unittest.TestCase):
uname = 'Windows XP 5.1.2600 x86 x86 Family 15 Model 75 Step ping 2, AuthenticAMD'
@ -280,7 +153,6 @@ class WindowsXP(StringUtils, unittest.TestCase):
filesystem_encoding = 'mbcs'
output_encoding = 'cp850'
argv_encoding = 'ascii'
dirlist = [u'Blah blah.txt', u'test_file', u'\xc4rtonwall.mp3']
class WindowsXP_UTF8(StringUtils, unittest.TestCase):
uname = 'Windows XP 5.1.2600 x86 x86 Family 15 Model 75 Step ping 2, AuthenticAMD'
@ -289,7 +161,6 @@ class WindowsXP_UTF8(StringUtils, unittest.TestCase):
filesystem_encoding = 'mbcs'
output_encoding = 'cp65001'
argv_encoding = 'ascii'
dirlist = [u'Blah blah.txt', u'test_file', u'\xc4rtonwall.mp3']
class WindowsVista(StringUtils, unittest.TestCase):
uname = 'Windows Vista 6.0.6000 x86 x86 Family 6 Model 15 Stepping 11, GenuineIntel'
@ -298,7 +169,6 @@ class WindowsVista(StringUtils, unittest.TestCase):
filesystem_encoding = 'mbcs'
output_encoding = 'cp850'
argv_encoding = 'ascii'
dirlist = [u'Blah blah.txt', u'test_file', u'\xc4rtonwall.mp3']
class MacOSXLeopard(StringUtils, unittest.TestCase):
uname = 'Darwin g5.local 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:57:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_PPC Power Macintosh powerpc'
@ -308,7 +178,6 @@ class MacOSXLeopard(StringUtils, unittest.TestCase):
filesystem_encoding = 'utf-8'
output_encoding = 'UTF-8'
argv_encoding = 'UTF-8'
dirlist = [u'A\u0308rtonwall.mp3', u'Blah blah.txt', u'test_file']
class MacOSXLeopard7bit(StringUtils, unittest.TestCase):
uname = 'Darwin g5.local 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:57:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_PPC Power Macintosh powerpc'
@ -316,7 +185,6 @@ class MacOSXLeopard7bit(StringUtils, unittest.TestCase):
filesystem_encoding = 'utf-8'
output_encoding = 'US-ASCII'
argv_encoding = 'US-ASCII'
dirlist = [u'A\u0308rtonwall.mp3', u'Blah blah.txt', u'test_file']
class OpenBSD(StringUtils, unittest.TestCase):
uname = 'OpenBSD 4.1 GENERIC#187 i386 Intel(R) Celeron(R) CPU 2.80GHz ("GenuineIntel" 686-class)'

69
src/allmydata/util/stringutils.py → src/allmydata/util/encodingutil.py
View File

@ -4,7 +4,6 @@ unicode and back.
"""
import sys
import os
import re
from allmydata.util.assertutil import precondition
from twisted.python import usage
@ -174,71 +173,3 @@ def unicode_platform():
Does the current platform handle Unicode filenames natively?
"""
return is_unicode_platform
class FilenameEncodingError(Exception):
"""
Filename cannot be encoded using the current encoding of your filesystem
(%s). Please configure your locale correctly or rename this file.
"""
pass
def listdir_unicode_fallback(path):
"""
This function emulates a fallback Unicode API similar to one available
under Windows or MacOS X.
If badly encoded filenames are encountered, an exception is raised.
"""
precondition(isinstance(path, unicode), path)
try:
byte_path = path.encode(filesystem_encoding)
except (UnicodeEncodeError, UnicodeDecodeError):
raise FilenameEncodingError(path)
try:
return [unicode(fn, filesystem_encoding) for fn in os.listdir(byte_path)]
except UnicodeDecodeError:
raise FilenameEncodingError(fn)
def listdir_unicode(path):
"""
Wrapper around listdir() which provides safe access to the convenient
Unicode API even under platforms that don't provide one natively.
"""
precondition(isinstance(path, unicode), path)
# On Windows and MacOS X, the Unicode API is used
# On other platforms (ie. Unix systems), the byte-level API is used
if is_unicode_platform:
return os.listdir(path)
else:
return listdir_unicode_fallback(path)
def open_unicode(path, mode):
"""
Wrapper around open() which provides safe access to the convenient Unicode
API even under Unix.
"""
precondition(isinstance(path, unicode), path)
if is_unicode_platform:
return open(os.path.expanduser(path), mode)
else:
try:
return open(os.path.expanduser(path.encode(filesystem_encoding)), mode)
except UnicodeEncodeError:
raise FilenameEncodingError(path)
def abspath_expanduser_unicode(path):
precondition(isinstance(path, unicode), path)
if is_unicode_platform:
return os.path.abspath(os.path.expanduser(path))
else:
try:
pathstr = path.encode(filesystem_encoding)
return os.path.abspath(os.path.expanduser(pathstr)).decode(filesystem_encoding)
except (UnicodeEncodeError, UnicodeDecodeError):
raise FilenameEncodingError(path)

20
src/allmydata/util/fileutil.py
View File

@ -208,3 +208,23 @@ def read(path):
return rf.read()
finally:
rf.close()
def put_file(pathname, inf):
# TODO: create temporary file and move into place?
outf = open_expanduser(pathname, "wb")
try:
while True:
data = inf.read(32768)
if not data:
break
outf.write(data)
finally:
outf.close()
def open_expanduser(path, mode):
assert isinstance(path, unicode), path
return open(os.path.expanduser(path), mode)
def abspath_expanduser(path):
assert isinstance(path, unicode), path
return os.path.abspath(os.path.expanduser(path))

2
src/allmydata/web/common.py
View File

@ -12,7 +12,7 @@ from allmydata.interfaces import ExistingChildError, NoSuchChildError, \
MustBeReadonlyError, MustNotBeUnknownRWError
from allmydata.mutable.common import UnrecoverableFileError
from allmydata.util import abbreviate
from allmydata.util.stringutils import to_str
from allmydata.util.encodingutil import to_str
class IOpHandleTable(Interface):
pass