98 lines
4.1 KiB
Python
98 lines
4.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2011 OpenStack LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import re
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import nova
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from nova import test
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class LocalizationTestCase(test.TestCase):
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def test_multiple_positional_format_placeholders(self):
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pat = re.compile("\W_\(")
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single_pat = re.compile("\W%\W")
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root_path = os.path.dirname(nova.__file__)
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problems = {}
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for root, dirs, files in os.walk(root_path):
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for fname in files:
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if not fname.endswith(".py"):
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continue
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pth = os.path.join(root, fname)
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txt = fulltext = file(pth).read()
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txt_lines = fulltext.splitlines()
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if not pat.search(txt):
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continue
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problems[pth] = []
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pos = txt.find("_(")
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while pos > -1:
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# Make sure that this isn't part of a dunder;
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# e.g., __init__(...
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# or something like 'self.assert_(...'
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test_txt = txt[pos - 1: pos + 10]
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if not (pat.search(test_txt)):
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txt = txt[pos + 2:]
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pos = txt.find("_(")
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continue
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pos += 2
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txt = txt[pos:]
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innerChars = []
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# Count pairs of open/close parens until _() closing
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# paren is found.
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parenCount = 1
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pos = 0
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while parenCount > 0:
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char = txt[pos]
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if char == "(":
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parenCount += 1
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elif char == ")":
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parenCount -= 1
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innerChars.append(char)
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pos += 1
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inner_all = "".join(innerChars)
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# Filter out '%%' and '%('
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inner = inner_all.replace("%%", "").replace("%(", "")
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# Filter out the single '%' operators
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inner = single_pat.sub("", inner)
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# Within the remaining content, count %
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fmtCount = inner.count("%")
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if fmtCount > 1:
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inner_first = inner_all.splitlines()[0]
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lns = ["%s" % (p + 1)
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for p, t in enumerate(txt_lines)
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if inner_first in t]
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lnums = ", ".join(lns)
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# Using ugly string concatenation to avoid having
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# this test fail itself.
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inner_all = "_" + "(" + "%s" % inner_all
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problems[pth].append("Line: %s Text: %s" %
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(lnums, inner_all))
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# Look for more
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pos = txt.find("_(")
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if not problems[pth]:
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del problems[pth]
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if problems:
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out = ["Problem(s) found in localized string formatting",
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"(see http://www.gnu.org/software/hello/manual/"
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"gettext/Python.html for more information)",
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"",
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" ------------ Files to fix ------------"]
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for pth in problems:
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out.append(" %s:" % pth)
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for val in set(problems[pth]):
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out.append(" %s" % val)
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raise AssertionError("\n".join(out))
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