def read_users(input, delimiter=',', fields=_fields): """Read in users from flat text input. If input is None or an empty list, STDIN is used. """ f = FileInput(input) reader = csv.reader(f, delimiter=delimiter) users = {} for row in reader: if len(row) != len(fields): raise CLIError('EUSER', 'Line %s of input has incorrect number of fields. Expecting "%s"' % (f.lineno(), delimiter.join(fields))) u = dict([(k, v) for k, v in izip(fields, row)]) name = u['display_name'] grp = _fix_group(u['group']) u['group'] = grp if name in users: raise CLIError('EUSER', 'Duplicate entry present for user "%s"' % name) users[name] = u return users
def test_files_that_dont_end_with_newline(self): t1 = self.writeTmp("A\nB\nC") t2 = self.writeTmp("D\nE\nF") fi = FileInput(files=(t1, t2)) lines = list(fi) self.assertEqual(lines, ["A\n", "B\n", "C", "D\n", "E\n", "F"]) self.assertEqual(fi.filelineno(), 3) self.assertEqual(fi.lineno(), 6)
def test_zero_byte_files(self): t1 = self.writeTmp("") t2 = self.writeTmp("") t3 = self.writeTmp("The only line there is.\n") t4 = self.writeTmp("") fi = FileInput(files=(t1, t2, t3, t4)) line = fi.readline() self.assertEqual(line, 'The only line there is.\n') self.assertEqual(fi.lineno(), 1) self.assertEqual(fi.filelineno(), 1) self.assertEqual(fi.filename(), t3) line = fi.readline() self.assertFalse(line) self.assertEqual(fi.lineno(), 1) self.assertEqual(fi.filelineno(), 0) self.assertEqual(fi.filename(), t4) fi.close()
def test_files_that_dont_end_with_newline(self): try: t1 = writeTmp(1, ["A\nB\nC"]) t2 = writeTmp(2, ["D\nE\nF"]) fi = FileInput(files=(t1, t2)) lines = list(fi) self.assertEqual(lines, ["A\n", "B\n", "C", "D\n", "E\n", "F"]) self.assertEqual(fi.filelineno(), 3) self.assertEqual(fi.lineno(), 6) finally: remove_tempfiles(t1, t2)
def test_zero_byte_files(self): try: t1 = writeTmp(1, [""]) t2 = writeTmp(2, [""]) t3 = writeTmp(3, ["The only line there is.\n"]) t4 = writeTmp(4, [""]) fi = FileInput(files=(t1, t2, t3, t4)) line = fi.readline() self.assertEqual(line, 'The only line there is.\n') self.assertEqual(fi.lineno(), 1) self.assertEqual(fi.filelineno(), 1) self.assertEqual(fi.filename(), t3) line = fi.readline() self.failIf(line) self.assertEqual(fi.lineno(), 1) self.assertEqual(fi.filelineno(), 0) self.assertEqual(fi.filename(), t4) fi.close() finally: remove_tempfiles(t1, t2, t3, t4)
def buffer_size_test(self, t1, t2, t3, t4, bs=0, round=0): pat = re.compile(r'LINE (\d+) OF FILE (\d+)') start = 1 + round*6 if verbose: print('%s. Simple iteration (bs=%s)' % (start+0, bs)) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) lines = list(fi) fi.close() self.assertEqual(len(lines), 31) self.assertEqual(lines[4], 'Line 5 of file 1\n') self.assertEqual(lines[30], 'Line 1 of file 4\n') self.assertEqual(fi.lineno(), 31) self.assertEqual(fi.filename(), t4) if verbose: print('%s. Status variables (bs=%s)' % (start+1, bs)) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) s = "x" while s and s != 'Line 6 of file 2\n': s = fi.readline() self.assertEqual(fi.filename(), t2) self.assertEqual(fi.lineno(), 21) self.assertEqual(fi.filelineno(), 6) self.assertFalse(fi.isfirstline()) self.assertFalse(fi.isstdin()) if verbose: print('%s. Nextfile (bs=%s)' % (start+2, bs)) fi.nextfile() self.assertEqual(fi.readline(), 'Line 1 of file 3\n') self.assertEqual(fi.lineno(), 22) fi.close() if verbose: print('%s. Stdin (bs=%s)' % (start+3, bs)) fi = FileInput(files=(t1, t2, t3, t4, '-'), bufsize=bs) savestdin = sys.stdin try: sys.stdin = StringIO("Line 1 of stdin\nLine 2 of stdin\n") lines = list(fi) self.assertEqual(len(lines), 33) self.assertEqual(lines[32], 'Line 2 of stdin\n') self.assertEqual(fi.filename(), '<stdin>') fi.nextfile() finally: sys.stdin = savestdin if verbose: print('%s. Boundary conditions (bs=%s)' % (start+4, bs)) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) self.assertEqual(fi.lineno(), 0) self.assertEqual(fi.filename(), None) fi.nextfile() self.assertEqual(fi.lineno(), 0) self.assertEqual(fi.filename(), None) if verbose: print('%s. Inplace (bs=%s)' % (start+5, bs)) savestdout = sys.stdout try: fi = FileInput(files=(t1, t2, t3, t4), inplace=1, bufsize=bs) for line in fi: line = line[:-1].upper() print(line) fi.close() finally: sys.stdout = savestdout fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) for line in fi: self.assertEqual(line[-1], '\n') m = pat.match(line[:-1]) self.assertNotEqual(m, None) self.assertEqual(int(m.group(1)), fi.filelineno()) fi.close()
def runTests(t1, t2, t3, t4, bs=0, round=0): start = 1 + round*6 if verbose: print '%s. Simple iteration (bs=%s)' % (start+0, bs) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) lines = list(fi) fi.close() verify(len(lines) == 31) verify(lines[4] == 'Line 5 of file 1\n') verify(lines[30] == 'Line 1 of file 4\n') verify(fi.lineno() == 31) verify(fi.filename() == t4) if verbose: print '%s. Status variables (bs=%s)' % (start+1, bs) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) s = "x" while s and s != 'Line 6 of file 2\n': s = fi.readline() verify(fi.filename() == t2) verify(fi.lineno() == 21) verify(fi.filelineno() == 6) verify(not fi.isfirstline()) verify(not fi.isstdin()) if verbose: print '%s. Nextfile (bs=%s)' % (start+2, bs) fi.nextfile() verify(fi.readline() == 'Line 1 of file 3\n') verify(fi.lineno() == 22) fi.close() if verbose: print '%s. Stdin (bs=%s)' % (start+3, bs) fi = FileInput(files=(t1, t2, t3, t4, '-'), bufsize=bs) savestdin = sys.stdin try: sys.stdin = StringIO("Line 1 of stdin\nLine 2 of stdin\n") lines = list(fi) verify(len(lines) == 33) verify(lines[32] == 'Line 2 of stdin\n') verify(fi.filename() == '<stdin>') fi.nextfile() finally: sys.stdin = savestdin if verbose: print '%s. Boundary conditions (bs=%s)' % (start+4, bs) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) verify(fi.lineno() == 0) verify(fi.filename() == None) fi.nextfile() verify(fi.lineno() == 0) verify(fi.filename() == None) if verbose: print '%s. Inplace (bs=%s)' % (start+5, bs) savestdout = sys.stdout try: fi = FileInput(files=(t1, t2, t3, t4), inplace=1, bufsize=bs) for line in fi: line = line[:-1].upper() print line fi.close() finally: sys.stdout = savestdout fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) for line in fi: verify(line[-1] == '\n') m = pat.match(line[:-1]) verify(m != None) verify(int(m.group(1)) == fi.filelineno()) fi.close()
runTests(t1, t2, t3, t4, bs, round) finally: remove_tempfiles(t1, t2, t3, t4) # Next, check for proper behavior with 0-byte files. if verbose: print "13. 0-byte files" try: t1 = writeTmp(1, [""]) t2 = writeTmp(2, [""]) t3 = writeTmp(3, ["The only line there is.\n"]) t4 = writeTmp(4, [""]) fi = FileInput(files=(t1, t2, t3, t4)) line = fi.readline() verify(line == 'The only line there is.\n') verify(fi.lineno() == 1) verify(fi.filelineno() == 1) verify(fi.filename() == t3) line = fi.readline() verify(not line) verify(fi.lineno() == 1) verify(fi.filelineno() == 0) verify(fi.filename() == t4) fi.close() finally: remove_tempfiles(t1, t2, t3, t4) if verbose: print "14. Files that don't end with newline" try: t1 = writeTmp(1, ["A\nB\nC"])
def buffer_size_test(self, t1, t2, t3, t4, bs=0, round=0): pat = re.compile(r'LINE (\d+) OF FILE (\d+)') start = 1 + round*6 if verbose: print('%s. Simple iteration (bs=%s)' % (start+0, bs)) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) lines = list(fi) fi.close() self.assertEqual(len(lines), 31) self.assertEqual(lines[4], 'Line 5 of file 1\n') self.assertEqual(lines[30], 'Line 1 of file 4\n') self.assertEqual(fi.lineno(), 31) self.assertEqual(fi.filename(), t4) if verbose: print('%s. Status variables (bs=%s)' % (start+1, bs)) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) s = "x" while s and s != 'Line 6 of file 2\n': s = fi.readline() self.assertEqual(fi.filename(), t2) self.assertEqual(fi.lineno(), 21) self.assertEqual(fi.filelineno(), 6) self.failIf(fi.isfirstline()) self.failIf(fi.isstdin()) if verbose: print('%s. Nextfile (bs=%s)' % (start+2, bs)) fi.nextfile() self.assertEqual(fi.readline(), 'Line 1 of file 3\n') self.assertEqual(fi.lineno(), 22) fi.close() if verbose: print('%s. Stdin (bs=%s)' % (start+3, bs)) fi = FileInput(files=(t1, t2, t3, t4, '-'), bufsize=bs) savestdin = sys.stdin try: sys.stdin = StringIO("Line 1 of stdin\nLine 2 of stdin\n") lines = list(fi) self.assertEqual(len(lines), 33) self.assertEqual(lines[32], 'Line 2 of stdin\n') self.assertEqual(fi.filename(), '<stdin>') fi.nextfile() finally: sys.stdin = savestdin if verbose: print('%s. Boundary conditions (bs=%s)' % (start+4, bs)) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) self.assertEqual(fi.lineno(), 0) self.assertEqual(fi.filename(), None) fi.nextfile() self.assertEqual(fi.lineno(), 0) self.assertEqual(fi.filename(), None) if verbose: print('%s. Inplace (bs=%s)' % (start+5, bs)) savestdout = sys.stdout try: fi = FileInput(files=(t1, t2, t3, t4), inplace=1, bufsize=bs) for line in fi: line = line[:-1].upper() print(line) fi.close() finally: sys.stdout = savestdout fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) for line in fi: self.assertEqual(line[-1], '\n') m = pat.match(line[:-1]) self.assertNotEqual(m, None) self.assertEqual(int(m.group(1)), fi.filelineno()) fi.close()
def test_buffer_sizes(self): t1 = self.writeTmp(''.join("Line %s of file 1\n" % (i+1) for i in range(15))) t2 = self.writeTmp(''.join("Line %s of file 2\n" % (i+1) for i in range(10))) t3 = self.writeTmp(''.join("Line %s of file 3\n" % (i+1) for i in range(5))) t4 = self.writeTmp(''.join("Line %s of file 4\n" % (i+1) for i in range(1))) pat = re.compile(r'LINE (\d+) OF FILE (\d+)') if verbose: print('1. Simple iteration') fi = FileInput(files=(t1, t2, t3, t4), encoding="utf-8") lines = list(fi) fi.close() self.assertEqual(len(lines), 31) self.assertEqual(lines[4], 'Line 5 of file 1\n') self.assertEqual(lines[30], 'Line 1 of file 4\n') self.assertEqual(fi.lineno(), 31) self.assertEqual(fi.filename(), t4) if verbose: print('2. Status variables') fi = FileInput(files=(t1, t2, t3, t4), encoding="utf-8") s = "x" while s and s != 'Line 6 of file 2\n': s = fi.readline() self.assertEqual(fi.filename(), t2) self.assertEqual(fi.lineno(), 21) self.assertEqual(fi.filelineno(), 6) self.assertFalse(fi.isfirstline()) self.assertFalse(fi.isstdin()) if verbose: print('3. Nextfile') fi.nextfile() self.assertEqual(fi.readline(), 'Line 1 of file 3\n') self.assertEqual(fi.lineno(), 22) fi.close() if verbose: print('4. Stdin') fi = FileInput(files=(t1, t2, t3, t4, '-'), encoding="utf-8") savestdin = sys.stdin try: sys.stdin = StringIO("Line 1 of stdin\nLine 2 of stdin\n") lines = list(fi) self.assertEqual(len(lines), 33) self.assertEqual(lines[32], 'Line 2 of stdin\n') self.assertEqual(fi.filename(), '<stdin>') fi.nextfile() finally: sys.stdin = savestdin if verbose: print('5. Boundary conditions') fi = FileInput(files=(t1, t2, t3, t4), encoding="utf-8") self.assertEqual(fi.lineno(), 0) self.assertEqual(fi.filename(), None) fi.nextfile() self.assertEqual(fi.lineno(), 0) self.assertEqual(fi.filename(), None) if verbose: print('6. Inplace') savestdout = sys.stdout try: fi = FileInput(files=(t1, t2, t3, t4), inplace=1, encoding="utf-8") for line in fi: line = line[:-1].upper() print(line) fi.close() finally: sys.stdout = savestdout fi = FileInput(files=(t1, t2, t3, t4), encoding="utf-8") for line in fi: self.assertEqual(line[-1], '\n') m = pat.match(line[:-1]) self.assertNotEqual(m, None) self.assertEqual(int(m.group(1)), fi.filelineno()) fi.close()
def runTests(t1, t2, t3, t4, bs=0, round=0): start = 1 + round * 6 if verbose: print '%s. Simple iteration (bs=%s)' % (start + 0, bs) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) lines = list(fi) fi.close() verify(len(lines) == 31) verify(lines[4] == 'Line 5 of file 1\n') verify(lines[30] == 'Line 1 of file 4\n') verify(fi.lineno() == 31) verify(fi.filename() == t4) if verbose: print '%s. Status variables (bs=%s)' % (start + 1, bs) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) s = "x" while s and s != 'Line 6 of file 2\n': s = fi.readline() verify(fi.filename() == t2) verify(fi.lineno() == 21) verify(fi.filelineno() == 6) verify(not fi.isfirstline()) verify(not fi.isstdin()) if verbose: print '%s. Nextfile (bs=%s)' % (start + 2, bs) fi.nextfile() verify(fi.readline() == 'Line 1 of file 3\n') verify(fi.lineno() == 22) fi.close() if verbose: print '%s. Stdin (bs=%s)' % (start + 3, bs) fi = FileInput(files=(t1, t2, t3, t4, '-'), bufsize=bs) savestdin = sys.stdin try: sys.stdin = StringIO("Line 1 of stdin\nLine 2 of stdin\n") lines = list(fi) verify(len(lines) == 33) verify(lines[32] == 'Line 2 of stdin\n') verify(fi.filename() == '<stdin>') fi.nextfile() finally: sys.stdin = savestdin if verbose: print '%s. Boundary conditions (bs=%s)' % (start + 4, bs) fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) verify(fi.lineno() == 0) verify(fi.filename() == None) fi.nextfile() verify(fi.lineno() == 0) verify(fi.filename() == None) if verbose: print '%s. Inplace (bs=%s)' % (start + 5, bs) savestdout = sys.stdout try: fi = FileInput(files=(t1, t2, t3, t4), inplace=1, bufsize=bs) for line in fi: line = line[:-1].upper() print line fi.close() finally: sys.stdout = savestdout fi = FileInput(files=(t1, t2, t3, t4), bufsize=bs) for line in fi: verify(line[-1] == '\n') m = pat.match(line[:-1]) verify(m != None) verify(int(m.group(1)) == fi.filelineno()) fi.close()
'''