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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""These tests are tests about the source code of bzrlib itself.
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# Files which are listed here will be skipped when testing for Copyright (or
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COPYRIGHT_EXCEPTIONS = [
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'bzrlib/_bencode_py.py',
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'bzrlib/doc_generate/conf.py',
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COPYRIGHT_EXCEPTIONS = ['bzrlib/lsprof.py']
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LICENSE_EXCEPTIONS = [
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'bzrlib/_bencode_py.py',
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'bzrlib/doc_generate/conf.py',
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LICENSE_EXCEPTIONS = ['bzrlib/lsprof.py']
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# Technically, 'bzrlib/lsprof.py' should be 'bzrlib/util/lsprof.py',
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# (we do not check bzrlib/util/, since that is code bundled from elsewhere)
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# but for compatibility with previous releases, we don't want to move it.
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# sphinx_conf is semi-autogenerated.
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class TestSourceHelper(TestCase):
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return source_dir
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def get_source_files(self, extensions=None):
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def get_source_files(self):
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"""Yield all source files for bzr and bzrlib
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:param our_files_only: If true, exclude files from included libraries
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bzrlib_dir = self.get_bzrlib_dir()
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if extensions is None:
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extensions = ('.py',)
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# This is the front-end 'bzr' script
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bzr_path = self.get_bzr_path()
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if d.endswith('.tmp'):
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for extension in extensions:
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if f.endswith(extension):
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# Did not match the accepted extensions
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if not f.endswith('.py'):
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yield osutils.pathjoin(root, f)
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def get_source_file_contents(self, extensions=None):
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for fname in self.get_source_files(extensions=extensions):
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def get_source_file_contents(self):
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for fname in self.get_source_files():
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f = open(fname, 'rb')
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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gpl_re = re.compile(re.escape(gpl_txt), re.MULTILINE)
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for fname, text in self.get_source_file_contents(
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extensions=('.py', '.pyx')):
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for fname, text in self.get_source_file_contents():
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if self.is_license_exception(fname):
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if not gpl_re.search(text):
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def test_coding_style(self):
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"""Check if bazaar code conforms to some coding style conventions.
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Currently we assert that the following is not present:
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Currently we check for:
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* any tab characters
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* trailing white space
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* non-unix newlines
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* no newline at end of files
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Print how many files have
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* trailing white space
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* lines longer than 79 chars
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(only print how many files and lines are in violation)
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illegal_newlines = {}
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no_newline_at_eof = []
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for fname, text in self.get_source_file_contents(
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extensions=('.py', '.pyx')):
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for fname, text in self.get_source_file_contents():
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if not self.is_our_code(fname):
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lines = text.splitlines(True)
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'Tab characters were found in the following source files.'
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'\nThey should either be replaced by "\\t" or by spaces:'))
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print ("There are %i lines with trailing white space in %i files."
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% (sum([len(lines) for f, lines in trailing_ws.items()]),
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problems.append(self._format_message(trailing_ws,
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'Trailing white space was found in the following source files:'
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if illegal_newlines:
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problems.append(self._format_message(illegal_newlines,
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'Non-unix newlines were found in the following source files:'))
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assert_re = re.compile(r'\bassert\b')
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for fname, text in self.get_source_file_contents():
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if not self.is_our_code(fname):
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if not assert_re.search(text):
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ast = parser.ast2tuple(parser.suite(text))
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ast = parser.ast2tuple(parser.suite(''.join(text)))
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badfiles.append(fname)
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"these files contain an assert statement and should not:\n%s"
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% '\n'.join(badfiles))
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def test_extension_exceptions(self):
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"""Extension functions should propagate exceptions.
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Either they should return an object, have an 'except' clause, or have a
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"# cannot_raise" to indicate that we've audited them and defined them as not
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both_exc_and_no_exc = []
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class_re = re.compile(r'^(cdef\s+)?(public\s+)?'
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r'(api\s+)?class (\w+).*:', re.MULTILINE)
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extern_class_re = re.compile(r'## extern cdef class (\w+)',
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except_re = re.compile(r'cdef\s+' # start with cdef
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r'([\w *]*?)\s*' # this is the return signature
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r'(\w+)\s*\(' # the function name
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r'[^)]*\)\s*' # parameters
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r'(.*)\s*:' # the except clause
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r'\s*(#\s*cannot[- _]raise)?' # cannot raise comment
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for fname, text in self.get_source_file_contents(
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extensions=('.pyx',)):
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known_classes = set([m[-1] for m in class_re.findall(text)])
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known_classes.update(extern_class_re.findall(text))
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cdefs = except_re.findall(text)
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for sig, func, exc_clause, no_exc_comment in cdefs:
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if sig.startswith('api '):
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if not sig or sig in known_classes:
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if 'nogil' in exc_clause:
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exc_clause = exc_clause.replace('nogil', '').strip()
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if exc_clause and no_exc_comment:
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both_exc_and_no_exc.append((fname, func))
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if sig != 'object' and not (exc_clause or no_exc_comment):
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missing_except.append((fname, func))
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if both_exc_and_no_exc:
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error_msg.append('The following functions had "cannot raise" comments'
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' but did have an except clause set:')
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for fname, func in both_exc_and_no_exc:
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error_msg.append('%s:%s' % (fname, func))
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error_msg.extend(('', ''))
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error_msg.append('The following functions have fixed return types,'
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' but no except clause.')
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error_msg.append('Either add an except or append "# cannot_raise".')
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for fname, func in missing_except:
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error_msg.append('%s:%s' % (fname, func))
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error_msg.extend(('', ''))
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self.fail('\n'.join(error_msg))