mirror of
https://github.com/raspberrypi/pico-sdk.git
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169 lines
7.7 KiB
Python
Executable File
169 lines
7.7 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (c) 2021 Raspberry Pi (Trading) Ltd.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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#
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# Script to scan the Raspberry Pi Pico SDK tree searching for CMake build defines
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# Outputs a tab separated file of the configuration item:
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# name location description type default group
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#
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# Usage:
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#
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# tools/extract_build_defines.py <root of repo> [output file]
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#
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# If not specified, output file will be `pico_build_defines.tsv`
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import os
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import sys
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import re
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import csv
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import logging
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logger = logging.getLogger(__name__)
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logging.basicConfig(level=logging.INFO)
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scandir = sys.argv[1]
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outfile = sys.argv[2] if len(sys.argv) > 2 else 'pico_build_defines.tsv'
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BUILD_DEFINE_RE = re.compile(r'#\s+PICO_BUILD_DEFINE:\s+(\w+),\s+([^,]+)(?:,\s+(.*))?$')
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all_configs = {}
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all_attrs = set()
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all_descriptions = {}
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def ValidateAttrs(config_attrs, file_path, linenum):
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_type = config_attrs.get('type')
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# Validate attrs
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if _type == 'int':
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_min = _max = _default = None
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if config_attrs.get('min', None) is not None:
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value = config_attrs['min']
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m = re.match(r'^(\d+)e(\d+)$', value.lower())
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if m:
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_min = int(m.group(1)) * 10**int(m.group(2))
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else:
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_min = int(value, 0)
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if config_attrs.get('max', None) is not None:
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value = config_attrs['max']
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m = re.match(r'^(\d+)e(\d+)$', value.lower())
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if m:
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_max = int(m.group(1)) * 10**int(m.group(2))
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else:
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_max = int(value, 0)
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if config_attrs.get('default', None) is not None:
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if '/' not in config_attrs['default']:
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try:
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value = config_attrs['default']
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m = re.match(r'^(\d+)e(\d+)$', value.lower())
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if m:
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_default = int(m.group(1)) * 10**int(m.group(2))
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else:
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_default = int(value, 0)
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except ValueError:
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pass
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if _min is not None and _max is not None:
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if _min > _max:
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raise Exception('{} at {}:{} has min {} > max {}'.format(config_name, file_path, linenum, config_attrs['min'], config_attrs['max']))
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if _min is not None and _default is not None:
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if _min > _default:
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raise Exception('{} at {}:{} has min {} > default {}'.format(config_name, file_path, linenum, config_attrs['min'], config_attrs['default']))
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if _default is not None and _max is not None:
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if _default > _max:
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raise Exception('{} at {}:{} has default {} > max {}'.format(config_name, file_path, linenum, config_attrs['default'], config_attrs['max']))
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elif _type == 'bool':
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assert 'min' not in config_attrs
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assert 'max' not in config_attrs
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_default = config_attrs.get('default', None)
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if _default is not None:
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if '/' not in _default:
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if (_default.lower() != '0') and (config_attrs['default'].lower() != '1') and ( _default not in all_configs):
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logger.info('{} at {}:{} has non-integer default value "{}"'.format(config_name, file_path, linenum, config_attrs['default']))
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elif _type == 'string':
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assert 'min' not in config_attrs
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assert 'max' not in config_attrs
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_default = config_attrs.get('default', None)
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elif _type == 'list':
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assert 'min' not in config_attrs
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assert 'max' not in config_attrs
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_default = config_attrs.get('default', None)
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else:
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raise Exception("Found unknown PICO_BUILD_DEFINE type {} at {}:{}".format(_type, file_path, linenum))
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# Scan all CMakeLists.txt and .cmake files in the specific path, recursively.
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for dirpath, dirnames, filenames in os.walk(scandir):
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for filename in filenames:
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file_ext = os.path.splitext(filename)[1]
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if filename == 'CMakeLists.txt' or file_ext == '.cmake':
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file_path = os.path.join(dirpath, filename)
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with open(file_path, encoding="ISO-8859-1") as fh:
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linenum = 0
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for line in fh.readlines():
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linenum += 1
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line = line.strip()
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m = BUILD_DEFINE_RE.match(line)
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if m:
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config_name = m.group(1)
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config_description = m.group(2)
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_attrs = m.group(3)
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# allow commas to appear inside brackets by converting them to and from NULL chars
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_attrs = re.sub(r'(\(.+\))', lambda m: m.group(1).replace(',', '\0'), _attrs)
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if '=' in config_description:
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raise Exception("For {} at {}:{} the description was set to '{}' - has the description field been omitted?".format(config_name, file_path, linenum, config_description))
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if config_description in all_descriptions:
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raise Exception("Found description {} at {}:{} but it was already used at {}:{}".format(config_description, file_path, linenum, os.path.join(scandir, all_descriptions[config_description]['filename']), all_descriptions[config_description]['line_number']))
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else:
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all_descriptions[config_description] = {'config_name': config_name, 'filename': os.path.relpath(file_path, scandir), 'line_number': linenum}
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config_attrs = {}
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prev = None
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# Handle case where attr value contains a comma
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for item in _attrs.split(','):
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if "=" not in item:
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assert(prev)
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item = prev + "," + item
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try:
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k, v = (i.strip() for i in item.split('='))
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except ValueError:
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raise Exception('{} at {}:{} has malformed value {}'.format(config_name, file_path, linenum, item))
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config_attrs[k] = v.replace('\0', ',')
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all_attrs.add(k)
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prev = item
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#print(file_path, config_name, config_attrs)
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if 'group' not in config_attrs:
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raise Exception('{} at {}:{} has no group attribute'.format(config_name, file_path, linenum))
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#print(file_path, config_name, config_attrs)
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if config_name in all_configs:
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raise Exception("Found {} at {}:{} but it was already declared at {}:{}".format(config_name, file_path, linenum, os.path.join(scandir, all_configs[config_name]['filename']), all_configs[config_name]['line_number']))
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else:
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all_configs[config_name] = {'attrs': config_attrs, 'filename': os.path.relpath(file_path, scandir), 'line_number': linenum, 'description': config_description}
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for config_name, config_obj in all_configs.items():
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file_path = os.path.join(scandir, config_obj['filename'])
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linenum = config_obj['line_number']
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ValidateAttrs(config_obj['attrs'], file_path, linenum)
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with open(outfile, 'w', newline='') as csvfile:
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fieldnames = ('name', 'location', 'description', 'type') + tuple(sorted(all_attrs - set(['type'])))
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writer = csv.DictWriter(csvfile, fieldnames=fieldnames, extrasaction='ignore', dialect='excel-tab')
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writer.writeheader()
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for config_name, config_obj in sorted(all_configs.items()):
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writer.writerow({'name': config_name, 'location': '/{}:{}'.format(config_obj['filename'], config_obj['line_number']), 'description': config_obj['description'], **config_obj['attrs']})
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