fune/toolkit/components/telemetry/build_scripts/gen_process_enum.py
Ricky Stewart 02a7b4ebdf Bug 1654103: Standardize on Black for Python code in mozilla-central.
Allow-list all Python code in tree for use with the black linter, and re-format all code in-tree accordingly.

To produce this patch I did all of the following:

1. Make changes to tools/lint/black.yml to remove include: stanza and update list of source extensions.

2. Run ./mach lint --linter black --fix

3. Make some ad-hoc manual updates to python/mozbuild/mozbuild/test/configure/test_configure.py -- it has some hard-coded line numbers that the reformat breaks.

4. Make some ad-hoc manual updates to `testing/marionette/client/setup.py`, `testing/marionette/harness/setup.py`, and `testing/firefox-ui/harness/setup.py`, which have hard-coded regexes that break after the reformat.

5. Add a set of exclusions to black.yml. These will be deleted in a follow-up bug (1672023).

# ignore-this-changeset

Differential Revision: https://phabricator.services.mozilla.com/D94045
2020-10-26 18:34:53 +00:00

68 lines
1.8 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Write out processes data for C++. The processes are defined
# in a file provided as a command-line argument.
from __future__ import print_function
from mozparsers.shared_telemetry_utils import ParserError, load_yaml_file
import sys
import collections
# The banner/text at the top of the generated file.
banner = """/* This file is auto-generated from Telemetry build scripts,
see gen_process_enum.py. */
"""
file_header = """\
#ifndef mozilla_TelemetryProcessEnums_h
#define mozilla_TelemetryProcessEnums_h
namespace mozilla {
namespace Telemetry {
"""
file_footer = """
} // namespace Telemetry
} // namespace mozilla
#endif // mozilla_TelemetryProcessEnums_h"""
def to_enum_label(name):
return name.title().replace("_", "")
def write_processes_enum(processes, output):
def p(line):
print(line, file=output)
processes = collections.OrderedDict(processes)
p("enum class ProcessID : uint32_t {")
for i, (name, _) in enumerate(sorted(processes.items())):
p(" %s = %d," % (to_enum_label(name), i))
p(" Count = %d" % len(processes))
p("};")
def main(output, *filenames):
if len(filenames) > 1:
raise Exception("We don't support loading from more than one file.")
try:
processes = load_yaml_file(filenames[0])
# Write the process data file.
print(banner, file=output)
print(file_header, file=output)
write_processes_enum(processes, output)
print(file_footer, file=output)
except ParserError as ex:
print("\nError generating processes enums:\n" + str(ex) + "\n")
sys.exit(1)
if __name__ == "__main__":
main(sys.stdout, *sys.argv[1:])