[1.1.X] Fixed #12910 - Only test extracting translation strings if xgettext can be found on PATH.

import os

import re

import shutil

from django.test import TestCase

from django.core import management

LOCALE='de'

class ExtractorTests(TestCase):

    def setUp(self):

        self._cwd = os.getcwd()

        self.test_dir = os.path.abspath(os.path.dirname(__file__))

    def _rmrf(self, dname):

        if os.path.commonprefix([self.test_dir, os.path.abspath(dname)]) != self.test_dir:

            return

        shutil.rmtree(dname)

    def tearDown(self):

        os.chdir(self.test_dir)

        try:

            self._rmrf('locale/%s' % LOCALE)

        except OSError:

            pass

        os.chdir(self._cwd)

    def assertMsgId(self, msgid, s):

        return self.assert_(re.search('^msgid "%s"' % msgid, s, re.MULTILINE))

class JavascriptExtractorTests(ExtractorTests):

    PO_FILE='locale/%s/LC_MESSAGES/djangojs.po' % LOCALE

    def test_javascript_literals(self):

        os.chdir(self.test_dir)

        management.call_command('makemessages', domain='djangojs', locale=LOCALE, verbosity=0)

        self.assert_(os.path.exists(self.PO_FILE))

        po_contents = open(self.PO_FILE, 'r').read()

        self.assertMsgId('This literal should be included.', po_contents)

        self.assertMsgId('This one as well.', po_contents)

import os

import re

import shutil

from django.test import TestCase

from django.core import management

LOCALE='de'

class ExtractorTests(TestCase):

    def setUp(self):

        self._cwd = os.getcwd()

        self.test_dir = os.path.abspath(os.path.dirname(__file__))

    def _rmrf(self, dname):

        if os.path.commonprefix([self.test_dir, os.path.abspath(dname)]) != self.test_dir:

            return

        shutil.rmtree(dname)

    def tearDown(self):

        os.chdir(self.test_dir)

        try:

            self._rmrf('locale/%s' % LOCALE)

        except OSError:

            pass

        os.chdir(self._cwd)

    def assertMsgId(self, msgid, s):

        return self.assert_(re.search('^msgid "%s"' % msgid, s, re.MULTILINE))

class JavascriptExtractorTests(ExtractorTests):

    PO_FILE='locale/%s/LC_MESSAGES/djangojs.po' % LOCALE

    def test_javascript_literals(self):

        os.chdir(self.test_dir)

        management.call_command('makemessages', domain='djangojs', locale=LOCALE, verbosity=0)

        self.assert_(os.path.exists(self.PO_FILE))

        po_contents = open(self.PO_FILE, 'r').read()

        self.assertMsgId('This literal should be included.', po_contents)

        self.assertMsgId('This one as well.', po_contents)

def find_command(cmd, path=None, pathext=None):

    if path is None:

        path = os.environ.get('PATH', []).split(os.pathsep)

    if isinstance(path, basestring):

        path = [path]

    # check if there are funny path extensions for executables, e.g. Windows

    if pathext is None:

        pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD').split(os.pathsep)

    # don't use extensions if the command ends with one of them

    for ext in pathext:

        if cmd.endswith(ext):

            pathext = ['']

            break

    # check if we find the command on PATH

    for p in path:

        f = os.path.join(p, cmd)

        if os.path.isfile(f):

            return f

        for ext in pathext:

            fext = f + ext

            if os.path.isfile(fext):

                return fext

    return None

# checks if it can find xgettext on the PATH and

# imports the extraction tests if yes

if find_command('xgettext'):

    from extraction import *