Python: make ruff & black happy

8 files changed, 515 insertions, 384 deletions

diff --git a/scripts/ensure-stable-doc-urls.py b/scripts/ensure-stable-doc-urls.py
index 9111e49..f40356b 100755
--- a/scripts/ensure-stable-doc-urls.py
+++ b/scripts/ensure-stable-doc-urls.py
@@ -140,12 +140,12 @@ def update_registry(registry_path: Path, doc_dir: Path, updates: Sequence[str]):
             print(f"[ERROR] “{old}” not found and has no update.")
         exit_code |= ExitCode.MISSING_UPDATES
     if exit_code:
-        print(f"[ERROR] Processing interrupted: please fix the errors above.")
+        print("[ERROR] Processing interrupted: please fix the errors above.")
         exit(exit_code.value)
     # Write changes
     with registry_path.open("wt", encoding="utf-8") as fd:
         fd.write(f"# WARNING: This file is autogenerated by: {RELATIVE_SCRIPT_PATH}\n")
-        fd.write(f"#          Do not edit manually.\n")
+        fd.write("#          Do not edit manually.\n")
         yaml.dump(
             registry,
             fd,
diff --git a/scripts/makekeys b/scripts/makekeys
index fe30067..f22277b 100755
--- a/scripts/makekeys
+++ b/scripts/makekeys
@@ -1,47 +1,55 @@
 #!/usr/bin/env python
 
-import re, sys, itertools
+import re
+import sys
+import itertools
 
 import perfect_hash
 
-pattern = re.compile(r'^#define\s+XKB_KEY_(?P<name>\w+)\s+(?P<value>0x[0-9a-fA-F]+)\s')
+pattern = re.compile(r"^#define\s+XKB_KEY_(?P<name>\w+)\s+(?P<value>0x[0-9a-fA-F]+)\s")
 matches = [pattern.match(line) for line in open(sys.argv[1])]
 entries = [(m.group("name"), int(m.group("value"), 16)) for m in matches if m]
 
 entries_isorted = sorted(entries, key=lambda e: e[0].lower())
 entries_kssorted = sorted(entries, key=lambda e: e[1])
 
-print('''
+print(
+    """
 /**
  * This file comes from libxkbcommon and was generated by makekeys.py
  * You can always fetch the latest version from:
  * https://raw.github.com/xkbcommon/libxkbcommon/master/src/ks_tables.h
  */
-''')
+"""
+)
 
 entry_offsets = {}
 
-print('''
+print(
+    """
 #ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Woverlength-strings"
 #endif
 static const char *keysym_names =
-'''.strip())
+""".strip()
+)
 offs = 0
-for (name, _) in entries_isorted:
+for name, _ in entries_isorted:
     entry_offsets[name] = offs
     print('    "{name}\\0"'.format(name=name))
     offs += len(name) + 1
-print('''
+print(
+    """
 ;
 #ifdef __GNUC__
 #pragma GCC diagnostic pop
 #endif
-'''.strip())
+""".strip()
+)
 
 
-template = r'''
+template = r"""
 static const uint16_t keysym_name_G[] = {
     $G
 };
@@ -63,27 +71,39 @@ keysym_name_perfect_hash(const char *key)
         keysym_name_G[keysym_name_hash_f(key, "$S2")]
     ) % $NG;
 }
-'''
-print(perfect_hash.generate_code(
-    keys=[name for name, value in entries_isorted],
-    template=template,
-))
+"""
+print(
+    perfect_hash.generate_code(
+        keys=[name for name, value in entries_isorted],
+        template=template,
+    )
+)
 
-print('''
+print(
+    """
 struct name_keysym {
     xkb_keysym_t keysym;
     uint32_t offset;
-};\n''')
+};\n"""
+)
+
 
 def print_entries(x):
-    for (name, value) in x:
-        print('    {{ 0x{value:08x}, {offs} }}, /* {name} */'.format(offs=entry_offsets[name], value=value, name=name))
+    for name, value in x:
+        print(
+            "    {{ 0x{value:08x}, {offs} }}, /* {name} */".format(
+                offs=entry_offsets[name], value=value, name=name
+            )
+        )
+
 
-print('static const struct name_keysym name_to_keysym[] = {')
+print("static const struct name_keysym name_to_keysym[] = {")
 print_entries(entries_isorted)
-print('};\n')
+print("};\n")
 
 # *.sort() is stable so we always get the first keysym for duplicate
-print('static const struct name_keysym keysym_to_name[] = {')
-print_entries(next(g[1]) for g in itertools.groupby(entries_kssorted, key=lambda e: e[1]))
-print('};')
+print("static const struct name_keysym keysym_to_name[] = {")
+print_entries(
+    next(g[1]) for g in itertools.groupby(entries_kssorted, key=lambda e: e[1])
+)
+print("};")
diff --git a/scripts/map-to-def b/scripts/map-to-def
index 63b566e..788e336 100755
--- a/scripts/map-to-def
+++ b/scripts/map-to-def
@@ -9,7 +9,7 @@ import pathlib
 
 
 def symbols_from_map(path):
-    return re.findall(r'^\s+(r?xkb_.*);', path.read_text('utf-8'), re.MULTILINE)
+    return re.findall(r"^\s+(r?xkb_.*);", path.read_text("utf-8"), re.MULTILINE)
 
 
 if 2 > len(sys.argv) > 3:
diff --git a/scripts/perfect_hash.py b/scripts/perfect_hash.py
index 95c6156..a017bb6 100644
--- a/scripts/perfect_hash.py
+++ b/scripts/perfect_hash.py
@@ -92,7 +92,7 @@ else:
     from io import StringIO
 
 
-__version__ = '0.4.2'
+__version__ = "0.4.2"
 
 
 verbose = False
@@ -107,8 +107,9 @@ class Graph(object):
     are assigned such that the two values corresponding to an edge add up to
     the desired edge value (mod N).
     """
+
     def __init__(self, N):
-        self.N = N                     # number of vertices
+        self.N = N  # number of vertices
 
         # maps a vertex number to the list of tuples (vertex, edge value)
         # to which it is connected by edges.
@@ -145,7 +146,7 @@ class Graph(object):
                 continue
 
             # explore tree starting at 'root'
-            self.vertex_values[root] = 0    # set arbitrarily to zero
+            self.vertex_values[root] = 0  # set arbitrarily to zero
 
             # Stack of vertices to visit, a list of tuples (parent, vertex)
             tovisit = [(None, root)]
@@ -170,7 +171,8 @@ class Graph(object):
                     # Set new vertex's value to the desired edge value,
                     # minus the value of the vertex we came here from.
                     self.vertex_values[neighbor] = (
-                        edge_value - self.vertex_values[vertex]) % self.N
+                        edge_value - self.vertex_values[vertex]
+                    ) % self.N
 
         # check if all vertices have a valid value
         for vertex in range(self.N):
@@ -188,20 +190,20 @@ class StrSaltHash(object):
     a random string of characters, summed up, and finally modulo NG is
     taken.
     """
+
     chars = string.ascii_letters + string.digits
 
     def __init__(self, N):
         self.N = N
-        self.salt = ''
+        self.salt = ""
 
     def __call__(self, key):
         # XXX: xkbcommon modification: make the salt length a power of 2
         #      so that the % operation in the hash is fast.
-        while len(self.salt) < max(len(key), 32): # add more salt as necessary
+        while len(self.salt) < max(len(key), 32):  # add more salt as necessary
             self.salt += random.choice(self.chars)
 
-        return sum(ord(self.salt[i]) * ord(c)
-                   for i, c in enumerate(key)) % self.N
+        return sum(ord(self.salt[i]) * ord(c) for i, c in enumerate(key)) % self.N
 
     template = """
 def hash_f(key, T):
@@ -212,22 +214,23 @@ def perfect_hash(key):
             G[hash_f(key, "$S2")]) % $NG
 """
 
+
 class IntSaltHash(object):
     """
     Random hash function generator.
     Simple byte level hashing, each byte is multiplied in sequence to a table
     containing random numbers, summed tp, and finally modulo NG is taken.
     """
+
     def __init__(self, N):
         self.N = N
         self.salt = []
 
     def __call__(self, key):
-        while len(self.salt) < len(key): # add more salt as necessary
+        while len(self.salt) < len(key):  # add more salt as necessary
             self.salt.append(random.randint(1, self.N - 1))
 
-        return sum(self.salt[i] * ord(c)
-                   for i, c in enumerate(key)) % self.N
+        return sum(self.salt[i] * ord(c) for i, c in enumerate(key)) % self.N
 
     template = """
 S1 = [$S1]
@@ -241,14 +244,18 @@ def perfect_hash(key):
     return (G[hash_f(key, S1)] + G[hash_f(key, S2)]) % $NG
 """
 
+
 def builtin_template(Hash):
-    return """\
+    return (
+        """\
 # =======================================================================
 # ================= Python code for perfect hash function ===============
 # =======================================================================
 
 G = [$G]
-""" + Hash.template + """
+"""
+        + Hash.template
+        + """
 # ============================ Sanity check =============================
 
 K = [$K]
@@ -257,6 +264,7 @@ assert len(K) == $NK
 for h, k in enumerate(K):
     assert perfect_hash(k) == h
 """
+    )
 
 
 class TooManyInterationsError(Exception):
@@ -279,35 +287,38 @@ def generate_hash(keys, Hash=StrSaltHash):
         if not isinstance(key, str):
             raise TypeError("key a not string: %r" % key)
     if NK > 10000 and Hash == StrSaltHash:
-        print("""\
+        print(
+            """\
 WARNING: You have %d keys.
          Using --hft=1 is likely to fail for so many keys.
          Please use --hft=2 instead.
-""" % NK)
+"""
+            % NK
+        )
 
     # the number of vertices in the graph G
     NG = NK + 1
     if verbose:
-        print('NG = %d' % NG)
+        print("NG = %d" % NG)
 
     trial = 0  # Number of trial graphs so far
     while True:
-        if (trial % trials) == 0:   # trials failures, increase NG slightly
+        if (trial % trials) == 0:  # trials failures, increase NG slightly
             if trial > 0:
                 NG = max(NG + 1, int(1.05 * NG))
             if verbose:
-                sys.stdout.write('\nGenerating graphs NG = %d ' % NG)
+                sys.stdout.write("\nGenerating graphs NG = %d " % NG)
         trial += 1
 
         if NG > 100 * (NK + 1):
             raise TooManyInterationsError("%d keys" % NK)
 
         if verbose:
-            sys.stdout.write('.')
+            sys.stdout.write(".")
             sys.stdout.flush()
 
-        G = Graph(NG)   # Create graph with NG vertices
-        f1 = Hash(NG)   # Create 2 random hash functions
+        G = Graph(NG)  # Create graph with NG vertices
+        f1 = Hash(NG)  # Create 2 random hash functions
         f2 = Hash(NG)
 
         # Connect vertices given by the values of the two hash functions
@@ -322,33 +333,30 @@ WARNING: You have %d keys.
             break
 
     if verbose:
-        print('\nAcyclic graph found after %d trials.' % trial)
-        print('NG = %d' % NG)
+        print("\nAcyclic graph found after %d trials." % trial)
+        print("NG = %d" % NG)
 
     # Sanity check the result by actually verifying that all the keys
     # hash to the right value.
     for hashval, key in enumerate(keys):
-        assert hashval == (
-            G.vertex_values[f1(key)] + G.vertex_values[f2(key)]
-        ) % NG
+        assert hashval == (G.vertex_values[f1(key)] + G.vertex_values[f2(key)]) % NG
 
     if verbose:
-        print('OK')
+        print("OK")
 
     return f1, f2, G.vertex_values
 
 
 class Format(object):
-
-    def __init__(self, width=76, indent=4, delimiter=', '):
+    def __init__(self, width=76, indent=4, delimiter=", "):
         self.width = width
         self.indent = indent
         self.delimiter = delimiter
 
     def print_format(self):
         print("Format options:")
-        for name in 'width', 'indent', 'delimiter':
-            print('  %s: %r' % (name, getattr(self, name)))
+        for name in "width", "indent", "delimiter":
+            print("  %s: %r" % (name, getattr(self, name)))
 
     def __call__(self, data, quote=False):
         if not isinstance(data, (list, tuple)):
@@ -360,10 +368,10 @@ class Format(object):
         for i, elt in enumerate(data):
             last = bool(i == len(data) - 1)
 
-            s = ('"%s"' if quote else '%s') % elt
+            s = ('"%s"' if quote else "%s") % elt
 
             if pos + len(s) + lendel > self.width:
-                aux.write('\n' + (self.indent * ' '))
+                aux.write("\n" + (self.indent * " "))
                 pos = self.indent
 
             aux.write(s)
@@ -372,7 +380,7 @@ class Format(object):
                 aux.write(self.delimiter)
                 pos += lendel
 
-        return '\n'.join(l.rstrip() for l in aux.getvalue().split('\n'))
+        return "\n".join(l.rstrip() for l in aux.getvalue().split("\n"))
 
 
 def generate_code(keys, Hash=StrSaltHash, template=None, options=None):
@@ -397,20 +405,22 @@ def generate_code(keys, Hash=StrSaltHash, template=None, options=None):
     if options is None:
         fmt = Format()
     else:
-        fmt = Format(width=options.width, indent=options.indent,
-                     delimiter=options.delimiter)
+        fmt = Format(
+            width=options.width, indent=options.indent, delimiter=options.delimiter
+        )
 
     if verbose:
         fmt.print_format()
 
     return string.Template(template).substitute(
-        NS = salt_len,
-        S1 = fmt(f1.salt),
-        S2 = fmt(f2.salt),
-        NG = len(G),
-        G  = fmt(G),
-        NK = len(keys),
-        K  = fmt(list(keys), quote=True))
+        NS=salt_len,
+        S1=fmt(f1.salt),
+        S2=fmt(f2.salt),
+        NG=len(G),
+        G=fmt(G),
+        NK=len(keys),
+        K=fmt(list(keys), quote=True),
+    )
 
 
 def read_table(filename, options):
@@ -430,15 +440,15 @@ def read_table(filename, options):
 
     if verbose:
         print("Reader options:")
-        for name in 'comment', 'splitby', 'keycol':
-            print('  %s: %r' % (name, getattr(options, name)))
+        for name in "comment", "splitby", "keycol":
+            print("  %s: %r" % (name, getattr(options, name)))
 
     for n, line in enumerate(fi):
         line = line.strip()
         if not line or line.startswith(options.comment):
             continue
 
-        if line.count(options.comment): # strip content after comment
+        if line.count(options.comment):  # strip content after comment
             line = line.split(options.comment)[0].strip()
 
         row = [col.strip() for col in line.split(options.splitby)]
@@ -446,8 +456,9 @@ def read_table(filename, options):
         try:
             key = row[options.keycol - 1]
         except IndexError:
-            sys.exit("%s:%d: Error: Cannot read key, not enough columns." %
-                     (filename, n + 1))
+            sys.exit(
+                "%s:%d: Error: Cannot read key, not enough columns." % (filename, n + 1)
+            )
 
         keys.append(key)
 
@@ -463,7 +474,7 @@ def read_template(filename):
     if verbose:
         print("Reading template from file `%s'" % filename)
     try:
-        with open(filename, 'r') as fi:
+        with open(filename, "r") as fi:
             return fi.read()
     except IOError:
         sys.exit("Error: Could not open `%s' for reading." % filename)
@@ -471,8 +482,8 @@ def read_template(filename):
 
 def run_code(code):
     tmpdir = tempfile.mkdtemp()
-    path = join(tmpdir, 't.py')
-    with open(path, 'w') as fo:
+    path = join(tmpdir, "t.py")
+    with open(path, "w") as fo:
         fo.write(code)
     try:
         subprocess.check_call([sys.executable, path])
@@ -494,102 +505,123 @@ If no template file is provided, a small built-in Python template
 is processed and the output code is written to stdout.
 """
 
-    parser = OptionParser(usage = usage,
-                          description = description,
-                          prog = sys.argv[0],
-                          version = "%prog: " + __version__)
-
-    parser.add_option("--delimiter",
-                      action  = "store",
-                      default = ", ",
-                      help    = "Delimiter for list items used in output, "
-                                "the default delimiter is '%default'",
-                      metavar = "STR")
-
-    parser.add_option("--indent",
-                      action  = "store",
-                      default = 4,
-                      type    = "int",
-                      help    = "Make INT spaces at the beginning of a "
-                                "new line when generated list is wrapped. "
-                                "Default is %default",
-                      metavar = "INT")
-
-    parser.add_option("--width",
-                      action  = "store",
-                      default = 76,
-                      type    = "int",
-                      help    = "Maximal width of generated list when "
-                                "wrapped.  Default width is %default",
-                      metavar = "INT")
-
-    parser.add_option("--comment",
-                      action  = "store",
-                      default = "#",
-                      help    = "STR is the character, or sequence of "
-                                "characters, which marks the beginning "
-                                "of a comment (which runs till "
-                                "the end of the line), in the input "
-                                "KEYS_FILE. "
-                                "Default is '%default'",
-                      metavar = "STR")
-
-    parser.add_option("--splitby",
-                      action  = "store",
-                      default = ",",
-                      help    = "STR is the character by which the columns "
-                                "in the input KEYS_FILE are split. "
-                                "Default is '%default'",
-                      metavar = "STR")
-
-    parser.add_option("--keycol",
-                      action  = "store",
-                      default = 1,
-                      type    = "int",
-                      help    = "Specifies the column INT in the input "
-                                "KEYS_FILE which contains the keys. "
-                                "Default is %default, i.e. the first column.",
-                      metavar = "INT")
-
-    parser.add_option("--trials",
-                      action  = "store",
-                      default = 5,
-                      type    = "int",
-                      help    = "Specifies the number of trials before "
-                                "NG is increased.  A small INT will give "
-                                "compute faster, but the array G will be "
-                                "large.  A large INT will take longer to "
-                                "compute but G will be smaller. "
-                                "Default is %default",
-                      metavar = "INT")
-
-    parser.add_option("--hft",
-                      action  = "store",
-                      default = 1,
-                      type    = "int",
-                      help    = "Hash function type INT.  Possible values "
-                                "are 1 (StrSaltHash) and 2 (IntSaltHash). "
-                                "The default is %default",
-                      metavar = "INT")
-
-    parser.add_option("-e", "--execute",
-                      action  = "store_true",
-                      help    = "Execute the generated code within "
-                                "the Python interpreter.")
-
-    parser.add_option("-o", "--output",
-                      action  = "store",
-                      help    = "Specify output FILE explicitly. "
-                                "`-o std' means standard output. "
-                                "`-o no' means no output. "
-                                "By default, the file name is obtained "
-                                "from the name of the template file by "
-                                "substituting `tmpl' to `code'.",
-                      metavar = "FILE")
-
-    parser.add_option("-v", "--verbose",
-                      action = "store_true",
-                      help = "verbosity")
+    parser = OptionParser(
+        usage=usage,
+        description=description,
+        prog=sys.argv[0],
+        version="%prog: " + __version__,
+    )
+
+    parser.add_option(
+        "--delimiter",
+        action="store",
+        default=", ",
+        help="Delimiter for list items used in output, "
+        "the default delimiter is '%default'",
+        metavar="STR",
+    )
+
+    parser.add_option(
+        "--indent",
+        action="store",
+        default=4,
+        type="int",
+        help="Make INT spaces at the beginning of a "
+        "new line when generated list is wrapped. "
+        "Default is %default",
+        metavar="INT",
+    )
+
+    parser.add_option(
+        "--width",
+        action="store",
+        default=76,
+        type="int",
+        help="Maximal width of generated list when "
+        "wrapped.  Default width is %default",
+        metavar="INT",
+    )
+
+    parser.add_option(
+        "--comment",
+        action="store",
+        default="#",
+        help="STR is the character, or sequence of "
+        "characters, which marks the beginning "
+        "of a comment (which runs till "
+        "the end of the line), in the input "
+        "KEYS_FILE. "
+        "Default is '%default'",
+        metavar="STR",
+    )
+
+    parser.add_option(
+        "--splitby",
+        action="store",
+        default=",",
+        help="STR is the character by which the columns "
+        "in the input KEYS_FILE are split. "
+        "Default is '%default'",
+        metavar="STR",
+    )
+
+    parser.add_option(
+        "--keycol",
+        action="store",
+        default=1,
+        type="int",
+        help="Specifies the column INT in the input "
+        "KEYS_FILE which contains the keys. "
+        "Default is %default, i.e. the first column.",
+        metavar="INT",
+    )
+
+    parser.add_option(
+        "--trials",
+        action="store",
+        default=5,
+        type="int",
+        help="Specifies the number of trials before "
+        "NG is increased.  A small INT will give "
+        "compute faster, but the array G will be "
+        "large.  A large INT will take longer to "
+        "compute but G will be smaller. "
+        "Default is %default",
+        metavar="INT",
+    )
+
+    parser.add_option(
+        "--hft",
+        action="store",
+        default=1,
+        type="int",
+        help="Hash function type INT.  Possible values "
+        "are 1 (StrSaltHash) and 2 (IntSaltHash). "
+        "The default is %default",
+        metavar="INT",
+    )
+
+    parser.add_option(
+        "-e",
+        "--execute",
+        action="store_true",
+        help="Execute the generated code within " "the Python interpreter.",
+    )
+
+    parser.add_option(
+        "-o",
+        "--output",
+        action="store",
+        help="Specify output FILE explicitly. "
+        "`-o std' means standard output. "
+        "`-o no' means no output. "
+        "By default, the file name is obtained "
+        "from the name of the template file by "
+        "substituting `tmpl' to `code'.",
+        metavar="FILE",
+    )
+
+    parser.add_option("-v", "--verbose", action="store_true", help="verbosity")
 
     options, args = parser.parse_args()
 
@@ -605,7 +637,7 @@ is processed and the output code is written to stdout.
     if len(args) not in (1, 2):
         parser.error("incorrect number of arguments")
 
-    if len(args) == 2 and not args[1].count('tmpl'):
+    if len(args) == 2 and not args[1].count("tmpl"):
         parser.error("template filename does not contain 'tmpl'")
 
     if options.hft == 1:
@@ -638,22 +670,22 @@ is processed and the output code is written to stdout.
         outname = options.output
     else:
         if tmpl_file:
-            if 'tmpl' not in tmpl_file:
+            if "tmpl" not in tmpl_file:
                 sys.exit("Hmm, template filename does not contain 'tmpl'")
-            outname = tmpl_file.replace('tmpl', 'code')
+            outname = tmpl_file.replace("tmpl", "code")
         else:
-            outname = 'std'
+            outname = "std"
 
     if verbose:
         print("outname = %r\n" % outname)
 
-    if outname == 'std':
+    if outname == "std":
         outstream = sys.stdout
-    elif outname == 'no':
+    elif outname == "no":
         outstream = None
     else:
         try:
-            outstream = open(outname, 'w')
+            outstream = open(outname, "w")
         except IOError:
             sys.exit("Error: Could not open `%s' for writing." % outname)
 
@@ -661,14 +693,14 @@ is processed and the output code is written to stdout.
 
     if options.execute or template == builtin_template(Hash):
         if verbose:
-            print('Executing code...\n')
+            print("Executing code...\n")
         run_code(code)
 
     if outstream:
         outstream.write(code)
-        if not outname == 'std':
+        if not outname == "std":
             outstream.close()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/test/symbols-leak-test.py b/test/symbols-leak-test.py
index a395079..4fee747 100755
--- a/test/symbols-leak-test.py
+++ b/test/symbols-leak-test.py
@@ -10,15 +10,15 @@ import re
 import sys
 
 
-top_srcdir = pathlib.Path(os.environ['top_srcdir'])
+top_srcdir = pathlib.Path(os.environ["top_srcdir"])
 
 
 def symbols_from_map(path):
-    return re.findall(r'^\s+(xkb_.*);', path.read_text('utf-8'), re.MULTILINE)
+    return re.findall(r"^\s+(xkb_.*);", path.read_text("utf-8"), re.MULTILINE)
 
 
 def symbols_from_src(path):
-    return re.findall(r'XKB_EXPORT.*\n(xkb_.*)\(', path.read_text('utf-8'))
+    return re.findall(r"XKB_EXPORT.*\n(xkb_.*)\(", path.read_text("utf-8"))
 
 
 def diff(map_path, src_paths):
@@ -31,32 +31,32 @@ exit = 0
 
 # xkbcommon symbols
 left, right = diff(
-    top_srcdir/'xkbcommon.map',
+    top_srcdir / "xkbcommon.map",
     [
-        *(top_srcdir/'src').glob('*.c'),
-        *(top_srcdir/'src'/'xkbcomp').glob('*.c'),
-        *(top_srcdir/'src'/'compose').glob('*.c'),
+        *(top_srcdir / "src").glob("*.c"),
+        *(top_srcdir / "src" / "xkbcomp").glob("*.c"),
+        *(top_srcdir / "src" / "compose").glob("*.c"),
     ],
 )
 if left:
-    print('xkbcommon map has extra symbols:', ' '.join(left))
+    print("xkbcommon map has extra symbols:", " ".join(left))
     exit = 1
 if right:
-    print('xkbcommon src has extra symbols:', ' '.join(right))
+    print("xkbcommon src has extra symbols:", " ".join(right))
     exit = 1
 
 # xkbcommon-x11 symbols
 left, right = diff(
-    top_srcdir/'xkbcommon-x11.map',
+    top_srcdir / "xkbcommon-x11.map",
     [
-        *(top_srcdir/'src'/'x11').glob('*.c'),
+        *(top_srcdir / "src" / "x11").glob("*.c"),
     ],
 )
 if left:
-    print('xkbcommon-x11 map has extra symbols:', ' '.join(left))
+    print("xkbcommon-x11 map has extra symbols:", " ".join(left))
     exit = 1
 if right:
-    print('xkbcommon-x11 src has extra symbols:', ' '.join(right))
+    print("xkbcommon-x11 src has extra symbols:", " ".join(right))
     exit = 1
 
 sys.exit(exit)
diff --git a/test/test-keysym.py b/test/test-keysym.py
index d237f31..18bdc5f 100755
--- a/test/test-keysym.py
+++ b/test/test-keysym.py
@@ -21,51 +21,57 @@ xkb_symbols "basic" {{
 """
 
 parser = argparse.ArgumentParser(
-    description='Tool to verify whether a keysym is resolved'
+    description="Tool to verify whether a keysym is resolved"
+)
+parser.add_argument("keysym", type=str, help="XKB keysym")
+parser.add_argument(
+    "--tool",
+    type=str,
+    nargs=1,
+    default=["xkbcli", "compile-keymap"],
+    help="Full path to the xkbcli-compile-keymap tool",
 )
-parser.add_argument('keysym', type=str, help='XKB keysym')
-parser.add_argument('--tool', type=str, nargs=1,
-                    default=['xkbcli', 'compile-keymap'],
-                    help='Full path to the xkbcli-compile-keymap tool')
 args = parser.parse_args()
 
 with tempfile.TemporaryDirectory() as tmpdir:
     symfile = Path(tmpdir) / "symbols" / "keytest"
     symfile.parent.mkdir()
-    with symfile.open(mode='w') as f:
+    with symfile.open(mode="w") as f:
         f.write(template.format(args.keysym))
 
     try:
         cmd = [
             *args.tool,
-            '--layout', 'keytest',
+            "--layout",
+            "keytest",
         ]
 
         env = os.environ.copy()
-        env['XKB_CONFIG_EXTRA_PATH'] = tmpdir
+        env["XKB_CONFIG_EXTRA_PATH"] = tmpdir
 
-        result = subprocess.run(cmd, env=env, capture_output=True,
-                                universal_newlines=True)
+        result = subprocess.run(
+            cmd, env=env, capture_output=True, universal_newlines=True
+        )
         if result.returncode != 0:
-            print('ERROR: Failed to compile:')
+            print("ERROR: Failed to compile:")
             print(result.stderr)
             sys.exit(1)
 
         # grep for TLDE actually being remapped
-        for l in result.stdout.split('\n'):
-            match = re.match(r'\s+key \<TLDE\>\s+{\s+\[\s+(?P<keysym>\w+)\s+\]\s+}', l)
+        for l in result.stdout.split("\n"):
+            match = re.match(r"\s+key \<TLDE\>\s+{\s+\[\s+(?P<keysym>\w+)\s+\]\s+}", l)
             if match:
-                if args.keysym == match.group('keysym'):
+                if args.keysym == match.group("keysym"):
                     sys.exit(0)
-                elif match.group('keysym') == 'NoSymbol':
-                    print('ERROR: key {} not resolved:'.format(args.keysym), l)
+                elif match.group("keysym") == "NoSymbol":
+                    print("ERROR: key {} not resolved:".format(args.keysym), l)
                 else:
-                    print('ERROR: key {} mapped to wrong key:'.format(args.keysym), l)
+                    print("ERROR: key {} mapped to wrong key:".format(args.keysym), l)
                 sys.exit(1)
 
         print(result.stdout)
-        print('ERROR: above keymap is missing key mapping for {}'.format(args.keysym))
+        print("ERROR: above keymap is missing key mapping for {}".format(args.keysym))
         sys.exit(1)
     except FileNotFoundError as err:
-        print('ERROR: invalid or missing tool: {}'.format(err))
+        print("ERROR: invalid or missing tool: {}".format(err))
         sys.exit(1)
diff --git a/test/tool-option-parsing.py b/test/tool-option-parsing.py
index 6692d58..4d07661 100755
--- a/test/tool-option-parsing.py
+++ b/test/tool-option-parsing.py
@@ -32,28 +32,37 @@ import unittest
 
 
 try:
-    top_builddir = os.environ['top_builddir']
-    top_srcdir = os.environ['top_srcdir']
+    top_builddir = os.environ["top_builddir"]
+    top_srcdir = os.environ["top_srcdir"]
 except KeyError:
-    print('Required environment variables not found: top_srcdir/top_builddir', file=sys.stderr)
+    print(
+        "Required environment variables not found: top_srcdir/top_builddir",
+        file=sys.stderr,
+    )
     from pathlib import Path
-    top_srcdir = '.'
+
+    top_srcdir = "."
     try:
-        top_builddir = next(Path('.').glob('**/meson-logs/')).parent
+        top_builddir = next(Path(".").glob("**/meson-logs/")).parent
     except StopIteration:
         sys.exit(1)
-    print('Using srcdir "{}", builddir "{}"'.format(top_srcdir, top_builddir), file=sys.stderr)
+    print(
+        'Using srcdir "{}", builddir "{}"'.format(top_srcdir, top_builddir),
+        file=sys.stderr,
+    )
 
 
 logging.basicConfig(level=logging.DEBUG)
-logger = logging.getLogger('test')
+logger = logging.getLogger("test")
 logger.setLevel(logging.DEBUG)
 
 # Permutation of RMLVO that we use in multiple tests
-rmlvos = [list(x) for x in itertools.permutations(
-    ['--rules=evdev', '--model=pc104',
-     '--layout=ch', '--options=eurosign:5']
-)]
+rmlvos = [
+    list(x)
+    for x in itertools.permutations(
+        ["--rules=evdev", "--model=pc104", "--layout=ch", "--options=eurosign:5"]
+    )
+]
 
 
 def _disable_coredump():
@@ -61,19 +70,23 @@ def _disable_coredump():
 
 
 def run_command(args):
-    logger.debug('run command: {}'.format(' '.join(args)))
+    logger.debug("run command: {}".format(" ".join(args)))
 
     try:
-        p = subprocess.run(args, preexec_fn=_disable_coredump,
-                           capture_output=True, text=True,
-                           timeout=0.7)
+        p = subprocess.run(
+            args,
+            preexec_fn=_disable_coredump,
+            capture_output=True,
+            text=True,
+            timeout=0.7,
+        )
         return p.returncode, p.stdout, p.stderr
     except subprocess.TimeoutExpired as e:
         return 0, e.stdout, e.stderr
 
 
 class XkbcliTool:
-    xkbcli_tool = 'xkbcli'
+    xkbcli_tool = "xkbcli"
     subtool = None
 
     def __init__(self, subtool=None, skipIf=(), skipError=()):
@@ -87,7 +100,7 @@ class XkbcliTool:
             if condition:
                 raise unittest.SkipTest(reason)
         if self.subtool is not None:
-            tool = '{}-{}'.format(self.xkbcli_tool, self.subtool)
+            tool = "{}-{}".format(self.xkbcli_tool, self.subtool)
         else:
             tool = self.xkbcli_tool
         args = [os.path.join(self.tool_path, tool)] + args
@@ -111,14 +124,14 @@ class XkbcliTool:
     def run_command_unrecognized_option(self, args):
         rc, stdout, stderr = self.run_command(args)
         assert rc == 2, (rc, stdout, stderr)
-        assert stdout.startswith('Usage') or stdout == ''
-        assert 'unrecognized option' in stderr
+        assert stdout.startswith("Usage") or stdout == ""
+        assert "unrecognized option" in stderr
 
     def run_command_missing_arg(self, args):
         rc, stdout, stderr = self.run_command(args)
         assert rc == 2, (rc, stdout, stderr)
-        assert stdout.startswith('Usage') or stdout == ''
-        assert 'requires an argument' in stderr
+        assert stdout.startswith("Usage") or stdout == ""
+        assert "requires an argument" in stderr
 
     def __str__(self):
         return str(self.subtool)
@@ -128,28 +141,57 @@ class TestXkbcli(unittest.TestCase):
     @classmethod
     def setUpClass(cls):
         cls.xkbcli = XkbcliTool()
-        cls.xkbcli_list = XkbcliTool('list', skipIf=(
-            (not int(os.getenv('HAVE_XKBCLI_LIST', '1')), 'xkbregistory not enabled'),
-        ))
-        cls.xkbcli_how_to_type = XkbcliTool('how-to-type')
-        cls.xkbcli_compile_keymap = XkbcliTool('compile-keymap')
-        cls.xkbcli_interactive_evdev = XkbcliTool('interactive-evdev', skipIf=(
-            (not int(os.getenv('HAVE_XKBCLI_INTERACTIVE_EVDEV', '1')), 'evdev not enabled'),
-            (not os.path.exists('/dev/input/event0'), 'event node required'),
-            (not os.access('/dev/input/event0', os.R_OK), 'insufficient permissions'),
-        ), skipError=(
-            (lambda rc, stdout, stderr: 'Couldn\'t find any keyboards' in stderr,
-                'No keyboards available'),
-        ),
+        cls.xkbcli_list = XkbcliTool(
+            "list",
+            skipIf=(
+                (
+                    not int(os.getenv("HAVE_XKBCLI_LIST", "1")),
+                    "xkbregistory not enabled",
+                ),
+            ),
+        )
+        cls.xkbcli_how_to_type = XkbcliTool("how-to-type")
+        cls.xkbcli_compile_keymap = XkbcliTool("compile-keymap")
+        cls.xkbcli_interactive_evdev = XkbcliTool(
+            "interactive-evdev",
+            skipIf=(
+                (
+                    not int(os.getenv("HAVE_XKBCLI_INTERACTIVE_EVDEV", "1")),
+                    "evdev not enabled",
+                ),
+                (not os.path.exists("/dev/input/event0"), "event node required"),
+                (
+                    not os.access("/dev/input/event0", os.R_OK),
+                    "insufficient permissions",
+                ),
+            ),
+            skipError=(
+                (
+                    lambda rc, stdout, stderr: "Couldn't find any keyboards" in stderr,
+                    "No keyboards available",
+                ),
+            ),
+        )
+        cls.xkbcli_interactive_x11 = XkbcliTool(
+            "interactive-x11",
+            skipIf=(
+                (
+                    not int(os.getenv("HAVE_XKBCLI_INTERACTIVE_X11", "1")),
+                    "x11 not enabled",
+                ),
+                (not os.getenv("DISPLAY"), "DISPLAY not set"),
+            ),
+        )
+        cls.xkbcli_interactive_wayland = XkbcliTool(
+            "interactive-wayland",
+            skipIf=(
+                (
+                    not int(os.getenv("HAVE_XKBCLI_INTERACTIVE_WAYLAND", "1")),
+                    "wayland not enabled",
+                ),
+                (not os.getenv("WAYLAND_DISPLAY"), "WAYLAND_DISPLAY not set"),
+            ),
         )
-        cls.xkbcli_interactive_x11 = XkbcliTool('interactive-x11', skipIf=(
-            (not int(os.getenv('HAVE_XKBCLI_INTERACTIVE_X11', '1')), 'x11 not enabled'),
-            (not os.getenv('DISPLAY'), 'DISPLAY not set'),
-        ))
-        cls.xkbcli_interactive_wayland = XkbcliTool('interactive-wayland', skipIf=(
-            (not int(os.getenv('HAVE_XKBCLI_INTERACTIVE_WAYLAND', '1')), 'wayland not enabled'),
-            (not os.getenv('WAYLAND_DISPLAY'), 'WAYLAND_DISPLAY not set'),
-        ))
         cls.all_tools = [
             cls.xkbcli,
             cls.xkbcli_list,
@@ -164,31 +206,31 @@ class TestXkbcli(unittest.TestCase):
         # --help is supported by all tools
         for tool in self.all_tools:
             with self.subTest(tool=tool):
-                stdout, stderr = tool.run_command_success(['--help'])
-                assert stdout.startswith('Usage:')
-                assert stderr == ''
+                stdout, stderr = tool.run_command_success(["--help"])
+                assert stdout.startswith("Usage:")
+                assert stderr == ""
 
     def test_invalid_option(self):
         # --foobar generates "Usage:" for all tools
         for tool in self.all_tools:
             with self.subTest(tool=tool):
-                tool.run_command_unrecognized_option(['--foobar'])
+                tool.run_command_unrecognized_option(["--foobar"])
 
     def test_xkbcli_version(self):
         # xkbcli --version
-        stdout, stderr = self.xkbcli.run_command_success(['--version'])
-        assert stdout.startswith('1')
-        assert stderr == ''
+        stdout, stderr = self.xkbcli.run_command_success(["--version"])
+        assert stdout.startswith("1")
+        assert stderr == ""
 
     def test_xkbcli_too_many_args(self):
-        self.xkbcli.run_command_invalid(['a'] * 64)
+        self.xkbcli.run_command_invalid(["a"] * 64)
 
     def test_compile_keymap_args(self):
         for args in (
-            ['--verbose'],
-            ['--rmlvo'],
+            ["--verbose"],
+            ["--rmlvo"],
             # ['--kccgst'],
-            ['--verbose', '--rmlvo'],
+            ["--verbose", "--rmlvo"],
             # ['--verbose', '--kccgst'],
         ):
             with self.subTest(args=args):
@@ -201,8 +243,8 @@ class TestXkbcli(unittest.TestCase):
 
     def test_compile_keymap_include(self):
         for args in (
-            ['--include', '.', '--include-defaults'],
-            ['--include', '/tmp', '--include-defaults'],
+            ["--include", ".", "--include-defaults"],
+            ["--include", "/tmp", "--include-defaults"],
         ):
             with self.subTest(args=args):
                 # Succeeds thanks to include-defaults
@@ -210,59 +252,59 @@ class TestXkbcli(unittest.TestCase):
 
     def test_compile_keymap_include_invalid(self):
         # A non-directory is rejected by default
-        args = ['--include', '/proc/version']
+        args = ["--include", "/proc/version"]
         rc, stdout, stderr = self.xkbcli_compile_keymap.run_command(args)
         assert rc == 1, (stdout, stderr)
         assert "There are no include paths to search" in stderr
 
         # A non-existing directory is rejected by default
-        args = ['--include', '/tmp/does/not/exist']
+        args = ["--include", "/tmp/does/not/exist"]
         rc, stdout, stderr = self.xkbcli_compile_keymap.run_command(args)
         assert rc == 1, (stdout, stderr)
         assert "There are no include paths to search" in stderr
 
         # Valid dir, but missing files
-        args = ['--include', '/tmp']
+        args = ["--include", "/tmp"]
         rc, stdout, stderr = self.xkbcli_compile_keymap.run_command(args)
         assert rc == 1, (stdout, stderr)
         assert "Couldn't look up rules" in stderr
 
     def test_how_to_type(self):
         # Unicode codepoint conversions, we support whatever strtol does
-        for args in (['123'], ['0x123'], ['0123']):
+        for args in (["123"], ["0x123"], ["0123"]):
             with self.subTest(args=args):
                 self.xkbcli_how_to_type.run_command_success(args)
 
     def test_how_to_type_rmlvo(self):
         for rmlvo in rmlvos:
             with self.subTest(rmlvo=rmlvo):
-                args = rmlvo + ['0x1234']
+                args = rmlvo + ["0x1234"]
                 self.xkbcli_how_to_type.run_command_success(args)
 
     def test_list_rmlvo(self):
         for args in (
-            ['--verbose'],
-            ['-v'],
-            ['--verbose', '--load-exotic'],
-            ['--load-exotic'],
-            ['--ruleset=evdev'],
-            ['--ruleset=base'],
+            ["--verbose"],
+            ["-v"],
+            ["--verbose", "--load-exotic"],
+            ["--load-exotic"],
+            ["--ruleset=evdev"],
+            ["--ruleset=base"],
         ):
             with self.subTest(args=args):
                 self.xkbcli_list.run_command_success(args)
 
     def test_list_rmlvo_includes(self):
-        args = ['/tmp/']
+        args = ["/tmp/"]
         self.xkbcli_list.run_command_success(args)
 
     def test_list_rmlvo_includes_invalid(self):
-        args = ['/proc/version']
+        args = ["/proc/version"]
         rc, stdout, stderr = self.xkbcli_list.run_command(args)
         assert rc == 1
         assert "Failed to append include path" in stderr
 
     def test_list_rmlvo_includes_no_defaults(self):
-        args = ['--skip-default-paths', '/tmp']
+        args = ["--skip-default-paths", "/tmp"]
         rc, stdout, stderr = self.xkbcli_list.run_command(args)
         assert rc == 1
         assert "Failed to parse XKB description" in stderr
@@ -276,11 +318,11 @@ class TestXkbcli(unittest.TestCase):
         # Note: --enable-compose fails if $prefix doesn't have the compose tables
         # installed
         for args in (
-            ['--report-state-changes'],
-            ['--enable-compose'],
-            ['--consumed-mode=xkb'],
-            ['--consumed-mode=gtk'],
-            ['--without-x11-offset'],
+            ["--report-state-changes"],
+            ["--enable-compose"],
+            ["--consumed-mode=xkb"],
+            ["--consumed-mode=gtk"],
+            ["--without-x11-offset"],
         ):
             with self.subTest(args=args):
                 self.xkbcli_interactive_evdev.run_command_success(args)
@@ -294,21 +336,21 @@ class TestXkbcli(unittest.TestCase):
         pass
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     with tempfile.TemporaryDirectory() as tmpdir:
         # Use our own test xkeyboard-config copy.
-        os.environ['XKB_CONFIG_ROOT'] = top_srcdir + '/test/data'
+        os.environ["XKB_CONFIG_ROOT"] = top_srcdir + "/test/data"
         # Use our own X11 locale copy.
-        os.environ['XLOCALEDIR'] = top_srcdir + '/test/data/locale'
+        os.environ["XLOCALEDIR"] = top_srcdir + "/test/data/locale"
         # Use our own locale.
-        os.environ['LC_CTYPE'] = 'en_US.UTF-8'
+        os.environ["LC_CTYPE"] = "en_US.UTF-8"
         # libxkbcommon has fallbacks when XDG_CONFIG_HOME isn't set so we need
         # to override it with a known (empty) directory. Otherwise our test
         # behavior depends on the system the test is run on.
-        os.environ['XDG_CONFIG_HOME'] = tmpdir
+        os.environ["XDG_CONFIG_HOME"] = tmpdir
         # Prevent the legacy $HOME/.xkb from kicking in.
-        del os.environ['HOME']
+        del os.environ["HOME"]
         # This needs to be separated if we do specific extra path testing
-        os.environ['XKB_CONFIG_EXTRA_PATH'] = tmpdir
+        os.environ["XKB_CONFIG_EXTRA_PATH"] = tmpdir
 
         unittest.main()
diff --git a/test/xkeyboard-config-test.py.in b/test/xkeyboard-config-test.py.in
index 77cff1f..c33e707 100755
--- a/test/xkeyboard-config-test.py.in
+++ b/test/xkeyboard-config-test.py.in
@@ -10,11 +10,11 @@ from pathlib import Path
 
 verbose = False
 
-DEFAULT_RULES_XML = '@XKB_CONFIG_ROOT@/rules/evdev.xml'
+DEFAULT_RULES_XML = "@XKB_CONFIG_ROOT@/rules/evdev.xml"
 
 # Meson needs to fill this in so we can call the tool in the buildir.
-EXTRA_PATH = '@MESON_BUILD_ROOT@'
-os.environ['PATH'] = ':'.join([EXTRA_PATH, os.getenv('PATH')])
+EXTRA_PATH = "@MESON_BUILD_ROOT@"
+os.environ["PATH"] = ":".join([EXTRA_PATH, os.getenv("PATH")])
 
 
 def escape(s):
@@ -30,6 +30,7 @@ def create_progress_bar(verbose):
     if not verbose and os.isatty(sys.stdout.fileno()):
         try:
             from tqdm import tqdm
+
             progress_bar = tqdm
         except ImportError:
             pass
@@ -56,13 +57,13 @@ class Invocation:
     def __str__(self):
         s = []
         rmlvo = [x or "" for x in self.rmlvo]
-        rmlvo = ', '.join([f'"{x}"' for x in rmlvo])
-        s.append(f'- rmlvo: [{rmlvo}]')
+        rmlvo = ", ".join([f'"{x}"' for x in rmlvo])
+        s.append(f"- rmlvo: [{rmlvo}]")
         s.append(f'  cmd: "{escape(self.command)}"')
-        s.append(f'  status: {self.exitstatus}')
+        s.append(f"  status: {self.exitstatus}")
         if self.error:
             s.append(f'  error: "{escape(self.error.strip())}"')
-        return '\n'.join(s)
+        return "\n".join(s)
 
     def run(self):
         raise NotImplementedError
@@ -71,37 +72,45 @@ class Invocation:
 class XkbCompInvocation(Invocation):
     def run(self):
         r, m, l, v, o = self.rmlvo
-        args = ['setxkbmap', '-print']
+        args = ["setxkbmap", "-print"]
         if r is not None:
-            args.append('-rules')
-            args.append('{}'.format(r))
+            args.append("-rules")
+            args.append("{}".format(r))
         if m is not None:
-            args.append('-model')
-            args.append('{}'.format(m))
+            args.append("-model")
+            args.append("{}".format(m))
         if l is not None:
-            args.append('-layout')
-            args.append('{}'.format(l))
+            args.append("-layout")
+            args.append("{}".format(l))
         if v is not None:
-            args.append('-variant')
-            args.append('{}'.format(v))
+            args.append("-variant")
+            args.append("{}".format(v))
         if o is not None:
-            args.append('-option')
-            args.append('{}'.format(o))
+            args.append("-option")
+            args.append("{}".format(o))
 
-        xkbcomp_args = ['xkbcomp', '-xkb', '-', '-']
+        xkbcomp_args = ["xkbcomp", "-xkb", "-", "-"]
 
         self.command = " ".join(args + ["|"] + xkbcomp_args)
 
-        setxkbmap = subprocess.Popen(args, stdout=subprocess.PIPE,
-                                     stderr=subprocess.PIPE, universal_newlines=True)
+        setxkbmap = subprocess.Popen(
+            args,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            universal_newlines=True,
+        )
         stdout, stderr = setxkbmap.communicate()
         if "Cannot open display" in stderr:
             self.error = stderr
             self.exitstatus = 90
         else:
-            xkbcomp = subprocess.Popen(xkbcomp_args, stdin=subprocess.PIPE,
-                                       stdout=subprocess.PIPE, stderr=subprocess.PIPE,
-                                       universal_newlines=True)
+            xkbcomp = subprocess.Popen(
+                xkbcomp_args,
+                stdin=subprocess.PIPE,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE,
+                universal_newlines=True,
+            )
             stdout, stderr = xkbcomp.communicate(stdout)
             if xkbcomp.returncode != 0:
                 self.error = "failed to compile keymap"
@@ -117,23 +126,27 @@ class XkbcommonInvocation(Invocation):
     def run(self):
         r, m, l, v, o = self.rmlvo
         args = [
-            'xkbcli-compile-keymap',  # this is run in the builddir
-            '--verbose',
-            '--rules', r,
-            '--model', m,
-            '--layout', l,
+            "xkbcli-compile-keymap",  # this is run in the builddir
+            "--verbose",
+            "--rules",
+            r,
+            "--model",
+            m,
+            "--layout",
+            l,
         ]
         if v is not None:
-            args += ['--variant', v]
+            args += ["--variant", v]
         if o is not None:
-            args += ['--options', o]
+            args += ["--options", o]
 
         self.command = " ".join(args)
         try:
-            output = subprocess.check_output(args, stderr=subprocess.STDOUT,
-                                             universal_newlines=True)
+            output = subprocess.check_output(
+                args, stderr=subprocess.STDOUT, universal_newlines=True
+            )
             if self.UNRECOGNIZED_KEYSYM_ERROR in output:
-                for line in output.split('\n'):
+                for line in output.split("\n"):
                     if self.UNRECOGNIZED_KEYSYM_ERROR in line:
                         self.error = line
                 self.exitstatus = 99  # tool doesn't generate this one
@@ -147,11 +160,11 @@ class XkbcommonInvocation(Invocation):
 
 def xkbcommontool(rmlvo):
     try:
-        r = rmlvo.get('r', 'evdev')
-        m = rmlvo.get('m', 'pc105')
-        l = rmlvo.get('l', 'us')
-        v = rmlvo.get('v', None)
-        o = rmlvo.get('o', None)
+        r = rmlvo.get("r", "evdev")
+        m = rmlvo.get("m", "pc105")
+        l = rmlvo.get("l", "us")
+        v = rmlvo.get("v", None)
+        o = rmlvo.get("o", None)
         tool = XkbcommonInvocation(r, m, l, v, o)
         tool.run()
         return tool
@@ -161,11 +174,11 @@ def xkbcommontool(rmlvo):
 
 def xkbcomp(rmlvo):
     try:
-        r = rmlvo.get('r', 'evdev')
-        m = rmlvo.get('m', 'pc105')
-        l = rmlvo.get('l', 'us')
-        v = rmlvo.get('v', None)
-        o = rmlvo.get('o', None)
+        r = rmlvo.get("r", "evdev")
+        m = rmlvo.get("m", "pc105")
+        l = rmlvo.get("l", "us")
+        v = rmlvo.get("v", None)
+        o = rmlvo.get("o", None)
         tool = XkbCompInvocation(r, m, l, v, o)
         tool.run()
         return tool
@@ -175,25 +188,22 @@ def xkbcomp(rmlvo):
 
 def parse(path):
     root = ET.fromstring(open(path).read())
-    layouts = root.findall('layoutList/layout')
+    layouts = root.findall("layoutList/layout")
 
-    options = [
-        e.text
-        for e in root.findall('optionList/group/option/configItem/name')
-    ]
+    options = [e.text for e in root.findall("optionList/group/option/configItem/name")]
 
     combos = []
     for l in layouts:
-        layout = l.find('configItem/name').text
-        combos.append({'l': layout})
+        layout = l.find("configItem/name").text
+        combos.append({"l": layout})
 
-        variants = l.findall('variantList/variant')
+        variants = l.findall("variantList/variant")
         for v in variants:
-            variant = v.find('configItem/name').text
+            variant = v.find("configItem/name").text
 
-            combos.append({'l': layout, 'v': variant})
+            combos.append({"l": layout, "v": variant})
             for option in options:
-                combos.append({'l': layout, 'v': variant, 'o': option})
+                combos.append({"l": layout, "v": variant, "o": option})
 
     return combos
 
@@ -234,9 +244,9 @@ def run(combos, tool, njobs, keymap_output_dir):
                     keymap_file = fname
                     if keymap_file_fd:
                         keymap_file_fd.close()
-                    keymap_file_fd = open(keymap_file, 'a')
+                    keymap_file_fd = open(keymap_file, "a")
 
-                rmlvo = ', '.join([x or '' for x in invocation.rmlvo])
+                rmlvo = ", ".join([x or "" for x in invocation.rmlvo])
                 print(f"// {rmlvo}", file=keymap_file_fd)
                 print(invocation.keymap, file=keymap_file_fd)
                 keymap_file_fd.flush()
@@ -249,37 +259,56 @@ def main(args):
     global verbose
 
     tools = {
-        'libxkbcommon': xkbcommontool,
-        'xkbcomp': xkbcomp,
+        "libxkbcommon": xkbcommontool,
+        "xkbcomp": xkbcomp,
     }
 
     parser = argparse.ArgumentParser(
-        description='''
+        description="""
                     This tool compiles a keymap for each layout, variant and
                     options combination in the given rules XML file. The output
                     of this tool is YAML, use your favorite YAML parser to
                     extract error messages. Errors are printed to stderr.
-                    '''
+                    """
+    )
+    parser.add_argument(
+        "path",
+        metavar="/path/to/evdev.xml",
+        nargs="?",
+        type=str,
+        default=DEFAULT_RULES_XML,
+        help="Path to xkeyboard-config's evdev.xml",
+    )
+    parser.add_argument(
+        "--tool",
+        choices=tools.keys(),
+        type=str,
+        default="libxkbcommon",
+        help="parsing tool to use",
+    )
+    parser.add_argument(
+        "--jobs",
+        "-j",
+        type=int,
+        default=os.cpu_count() * 4,
+        help="number of processes to use",
+    )
+    parser.add_argument("--verbose", "-v", default=False, action="store_true")
+    parser.add_argument(
+        "--keymap-output-dir",
+        default=None,
+        type=str,
+        help="Directory to print compiled keymaps to",
+    )
+    parser.add_argument(
+        "--layout", default=None, type=str, help="Only test the given layout"
+    )
+    parser.add_argument(
+        "--variant", default=None, type=str, help="Only test the given variant"
+    )
+    parser.add_argument(
+        "--option", default=None, type=str, help="Only test the given option"
     )
-    parser.add_argument('path', metavar='/path/to/evdev.xml',
-                        nargs='?', type=str,
-                        default=DEFAULT_RULES_XML,
-                        help='Path to xkeyboard-config\'s evdev.xml')
-    parser.add_argument('--tool', choices=tools.keys(),
-                        type=str, default='libxkbcommon',
-                        help='parsing tool to use')
-    parser.add_argument('--jobs', '-j', type=int,
-                        default=os.cpu_count() * 4,
-                        help='number of processes to use')
-    parser.add_argument('--verbose', '-v', default=False, action="store_true")
-    parser.add_argument('--keymap-output-dir', default=None, type=str,
-                        help='Directory to print compiled keymaps to')
-    parser.add_argument('--layout', default=None, type=str,
-                        help='Only test the given layout')
-    parser.add_argument('--variant', default=None, type=str,
-                        help='Only test the given variant')
-    parser.add_argument('--option', default=None, type=str,
-                        help='Only test the given option')
 
     args = parser.parse_args()
 
@@ -290,19 +319,21 @@ def main(args):
     tool = tools[args.tool]
 
     if any([args.layout, args.variant, args.option]):
-        combos = [{
-            'l': args.layout,
-            'v': args.variant,
-            'o': args.option,
-        }]
+        combos = [
+            {
+                "l": args.layout,
+                "v": args.variant,
+                "o": args.option,
+            }
+        ]
     else:
         combos = parse(args.path)
     failed = run(combos, tool, args.jobs, keymapdir)
     sys.exit(failed)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     try:
         main(sys.argv)
     except KeyboardInterrupt:
-        print('# Exiting after Ctrl+C')
+        print("# Exiting after Ctrl+C")