buildman: Split out Boards into its own file

Use a separate file for the Boards class so that its name matches the
module name.

Fix up the function names to match the pylint style and fix some other
warnings.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-07-11 19:04:03 -06:00 committed by Tom Rini
parent 6014db68d3
commit c52bd22539
5 changed files with 301 additions and 288 deletions

View File

@ -1,74 +1,8 @@
# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2012 The Chromium OS Authors.
from collections import OrderedDict
import re
class Expr:
"""A single regular expression for matching boards to build"""
def __init__(self, expr):
"""Set up a new Expr object.
Args:
expr: String cotaining regular expression to store
"""
self._expr = expr
self._re = re.compile(expr)
def matches(self, props):
"""Check if any of the properties match the regular expression.
Args:
props: List of properties to check
Returns:
True if any of the properties match the regular expression
"""
for prop in props:
if self._re.match(prop):
return True
return False
def __str__(self):
return self._expr
class Term:
"""A list of expressions each of which must match with properties.
This provides a list of 'AND' expressions, meaning that each must
match the board properties for that board to be built.
"""
def __init__(self):
self._expr_list = []
self._board_count = 0
def add_expr(self, expr):
"""Add an Expr object to the list to check.
Args:
expr: New Expr object to add to the list of those that must
match for a board to be built.
"""
self._expr_list.append(Expr(expr))
def __str__(self):
"""Return some sort of useful string describing the term"""
return '&'.join([str(expr) for expr in self._expr_list])
def matches(self, props):
"""Check if any of the properties match this term
Each of the expressions in the term is checked. All must match.
Args:
props: List of properties to check
Returns:
True if all of the expressions in the Term match, else False
"""
for expr in self._expr_list:
if not expr.matches(props):
return False
return True
"""A single board which can be selected and built"""
class Board:
"""A particular board that we can build"""
@ -95,216 +29,3 @@ class Board:
self.props = [self.target, self.arch, self.cpu, self.board_name,
self.vendor, self.soc, self.options]
self.build_it = False
class Boards:
"""Manage a list of boards."""
def __init__(self):
# Use a simple list here, sinc OrderedDict requires Python 2.7
self._boards = []
def add_board(self, brd):
"""Add a new board to the list.
The board's target member must not already exist in the board list.
Args:
brd: board to add
"""
self._boards.append(brd)
def read_boards(self, fname):
"""Read a list of boards from a board file.
Create a Board object for each and add it to our _boards list.
Args:
fname: Filename of boards.cfg file
"""
with open(fname, 'r', encoding='utf-8') as fd:
for line in fd:
if line[0] == '#':
continue
fields = line.split()
if not fields:
continue
for upto in range(len(fields)):
if fields[upto] == '-':
fields[upto] = ''
while len(fields) < 8:
fields.append('')
if len(fields) > 8:
fields = fields[:8]
brd = Board(*fields)
self.add_board(brd)
def get_list(self):
"""Return a list of available boards.
Returns:
List of Board objects
"""
return self._boards
def get_dict(self):
"""Build a dictionary containing all the boards.
Returns:
Dictionary:
key is board.target
value is board
"""
board_dict = OrderedDict()
for brd in self._boards:
board_dict[brd.target] = brd
return board_dict
def get_selected_dict(self):
"""Return a dictionary containing the selected boards
Returns:
List of Board objects that are marked selected
"""
board_dict = OrderedDict()
for brd in self._boards:
if brd.build_it:
board_dict[brd.target] = brd
return board_dict
def get_selected(self):
"""Return a list of selected boards
Returns:
List of Board objects that are marked selected
"""
return [brd for brd in self._boards if brd.build_it]
def get_selected_names(self):
"""Return a list of selected boards
Returns:
List of board names that are marked selected
"""
return [brd.target for brd in self._boards if brd.build_it]
def _build_terms(self, args):
"""Convert command line arguments to a list of terms.
This deals with parsing of the arguments. It handles the '&'
operator, which joins several expressions into a single Term.
For example:
['arm & freescale sandbox', 'tegra']
will produce 3 Terms containing expressions as follows:
arm, freescale
sandbox
tegra
The first Term has two expressions, both of which must match for
a board to be selected.
Args:
args: List of command line arguments
Returns:
A list of Term objects
"""
syms = []
for arg in args:
for word in arg.split():
sym_build = []
for term in word.split('&'):
if term:
sym_build.append(term)
sym_build.append('&')
syms += sym_build[:-1]
terms = []
term = None
oper = None
for sym in syms:
if sym == '&':
oper = sym
elif oper:
term.add_expr(sym)
oper = None
else:
if term:
terms.append(term)
term = Term()
term.add_expr(sym)
if term:
terms.append(term)
return terms
def select_boards(self, args, exclude=[], brds=None):
"""Mark boards selected based on args
Normally either boards (an explicit list of boards) or args (a list of
terms to match against) is used. It is possible to specify both, in
which case they are additive.
If brds and args are both empty, all boards are selected.
Args:
args: List of strings specifying boards to include, either named,
or by their target, architecture, cpu, vendor or soc. If
empty, all boards are selected.
exclude: List of boards to exclude, regardless of 'args'
brds: List of boards to build
Returns:
Tuple
Dictionary which holds the list of boards which were selected
due to each argument, arranged by argument.
List of errors found
"""
result = OrderedDict()
warnings = []
terms = self._build_terms(args)
result['all'] = []
for term in terms:
result[str(term)] = []
exclude_list = []
for expr in exclude:
exclude_list.append(Expr(expr))
found = []
for brd in self._boards:
matching_term = None
build_it = False
if terms:
match = False
for term in terms:
if term.matches(brd.props):
matching_term = str(term)
build_it = True
break
elif brds:
if brd.target in brds:
build_it = True
found.append(brd.target)
else:
build_it = True
# Check that it is not specifically excluded
for expr in exclude_list:
if expr.matches(brd.props):
build_it = False
break
if build_it:
brd.build_it = True
if matching_term:
result[matching_term].append(brd.target)
result['all'].append(brd.target)
if brds:
remaining = set(brds) - set(found)
if remaining:
warnings.append('Boards not found: %s\n' % ', '.join(remaining))
return result, warnings

290
tools/buildman/boards.py Normal file
View File

@ -0,0 +1,290 @@
# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2012 The Chromium OS Authors.
"""Maintains a list of boards and allows them to be selected"""
from collections import OrderedDict
import re
from buildman import board
class Expr:
"""A single regular expression for matching boards to build"""
def __init__(self, expr):
"""Set up a new Expr object.
Args:
expr: String cotaining regular expression to store
"""
self._expr = expr
self._re = re.compile(expr)
def matches(self, props):
"""Check if any of the properties match the regular expression.
Args:
props: List of properties to check
Returns:
True if any of the properties match the regular expression
"""
for prop in props:
if self._re.match(prop):
return True
return False
def __str__(self):
return self._expr
class Term:
"""A list of expressions each of which must match with properties.
This provides a list of 'AND' expressions, meaning that each must
match the board properties for that board to be built.
"""
def __init__(self):
self._expr_list = []
self._board_count = 0
def add_expr(self, expr):
"""Add an Expr object to the list to check.
Args:
expr: New Expr object to add to the list of those that must
match for a board to be built.
"""
self._expr_list.append(Expr(expr))
def __str__(self):
"""Return some sort of useful string describing the term"""
return '&'.join([str(expr) for expr in self._expr_list])
def matches(self, props):
"""Check if any of the properties match this term
Each of the expressions in the term is checked. All must match.
Args:
props: List of properties to check
Returns:
True if all of the expressions in the Term match, else False
"""
for expr in self._expr_list:
if not expr.matches(props):
return False
return True
class Boards:
"""Manage a list of boards."""
def __init__(self):
# Use a simple list here, sinc OrderedDict requires Python 2.7
self._boards = []
def add_board(self, brd):
"""Add a new board to the list.
The board's target member must not already exist in the board list.
Args:
brd: board to add
"""
self._boards.append(brd)
def read_boards(self, fname):
"""Read a list of boards from a board file.
Create a Board object for each and add it to our _boards list.
Args:
fname: Filename of boards.cfg file
"""
with open(fname, 'r', encoding='utf-8') as inf:
for line in inf:
if line[0] == '#':
continue
fields = line.split()
if not fields:
continue
for upto, field in enumerate(fields):
if field == '-':
fields[upto] = ''
while len(fields) < 8:
fields.append('')
if len(fields) > 8:
fields = fields[:8]
brd = board.Board(*fields)
self.add_board(brd)
def get_list(self):
"""Return a list of available boards.
Returns:
List of Board objects
"""
return self._boards
def get_dict(self):
"""Build a dictionary containing all the boards.
Returns:
Dictionary:
key is board.target
value is board
"""
board_dict = OrderedDict()
for brd in self._boards:
board_dict[brd.target] = brd
return board_dict
def get_selected_dict(self):
"""Return a dictionary containing the selected boards
Returns:
List of Board objects that are marked selected
"""
board_dict = OrderedDict()
for brd in self._boards:
if brd.build_it:
board_dict[brd.target] = brd
return board_dict
def get_selected(self):
"""Return a list of selected boards
Returns:
List of Board objects that are marked selected
"""
return [brd for brd in self._boards if brd.build_it]
def get_selected_names(self):
"""Return a list of selected boards
Returns:
List of board names that are marked selected
"""
return [brd.target for brd in self._boards if brd.build_it]
@classmethod
def _build_terms(cls, args):
"""Convert command line arguments to a list of terms.
This deals with parsing of the arguments. It handles the '&'
operator, which joins several expressions into a single Term.
For example:
['arm & freescale sandbox', 'tegra']
will produce 3 Terms containing expressions as follows:
arm, freescale
sandbox
tegra
The first Term has two expressions, both of which must match for
a board to be selected.
Args:
args: List of command line arguments
Returns:
A list of Term objects
"""
syms = []
for arg in args:
for word in arg.split():
sym_build = []
for term in word.split('&'):
if term:
sym_build.append(term)
sym_build.append('&')
syms += sym_build[:-1]
terms = []
term = None
oper = None
for sym in syms:
if sym == '&':
oper = sym
elif oper:
term.add_expr(sym)
oper = None
else:
if term:
terms.append(term)
term = Term()
term.add_expr(sym)
if term:
terms.append(term)
return terms
def select_boards(self, args, exclude=None, brds=None):
"""Mark boards selected based on args
Normally either boards (an explicit list of boards) or args (a list of
terms to match against) is used. It is possible to specify both, in
which case they are additive.
If brds and args are both empty, all boards are selected.
Args:
args: List of strings specifying boards to include, either named,
or by their target, architecture, cpu, vendor or soc. If
empty, all boards are selected.
exclude: List of boards to exclude, regardless of 'args'
brds: List of boards to build
Returns:
Tuple
Dictionary which holds the list of boards which were selected
due to each argument, arranged by argument.
List of errors found
"""
result = OrderedDict()
warnings = []
terms = self._build_terms(args)
result['all'] = []
for term in terms:
result[str(term)] = []
exclude_list = []
if exclude:
for expr in exclude:
exclude_list.append(Expr(expr))
found = []
for brd in self._boards:
matching_term = None
build_it = False
if terms:
for term in terms:
if term.matches(brd.props):
matching_term = str(term)
build_it = True
break
elif brds:
if brd.target in brds:
build_it = True
found.append(brd.target)
else:
build_it = True
# Check that it is not specifically excluded
for expr in exclude_list:
if expr.matches(brd.props):
build_it = False
break
if build_it:
brd.build_it = True
if matching_term:
result[matching_term].append(brd.target)
result['all'].append(brd.target)
if brds:
remaining = set(brds) - set(found)
if remaining:
warnings.append(f"Boards not found: {', '.join(remaining)}\n")
return result, warnings

View File

@ -8,7 +8,7 @@ import shutil
import subprocess
import sys
from buildman import board
from buildman import boards
from buildman import bsettings
from buildman import cfgutil
from buildman import toolchain
@ -197,7 +197,7 @@ def DoBuildman(options, args, toolchains=None, make_func=None, brds=None,
if status != 0:
sys.exit("Failed to generate boards.cfg")
brds = board.Boards()
brds = boards.Boards()
brds.read_boards(board_file)
exclude = []

View File

@ -9,6 +9,7 @@ import tempfile
import unittest
from buildman import board
from buildman import boards
from buildman import bsettings
from buildman import cmdline
from buildman import control
@ -187,7 +188,7 @@ class TestFunctional(unittest.TestCase):
self.setupToolchains()
self._toolchains.Add('arm-gcc', test=False)
self._toolchains.Add('powerpc-gcc', test=False)
self._boards = board.Boards()
self._boards = boards.Boards()
for brd in BOARDS:
self._boards.add_board(board.Board(*brd))
@ -442,7 +443,7 @@ class TestFunctional(unittest.TestCase):
def testNoBoards(self):
"""Test that buildman aborts when there are no boards"""
self._boards = board.Boards()
self._boards = boards.Boards()
with self.assertRaises(SystemExit):
self._RunControl()
@ -580,7 +581,7 @@ class TestFunctional(unittest.TestCase):
def testWorkInOutput(self):
"""Test the -w option which should write directly to the output dir"""
board_list = board.Boards()
board_list = boards.Boards()
board_list.add_board(board.Board(*BOARDS[0]))
self._RunControl('-o', self._output_dir, '-w', clean_dir=False,
brds=board_list)
@ -599,14 +600,14 @@ class TestFunctional(unittest.TestCase):
self.assertFalse(
os.path.exists(os.path.join(self._output_dir, 'u-boot')))
board_list = board.Boards()
board_list = boards.Boards()
board_list.add_board(board.Board(*BOARDS[0]))
with self.assertRaises(SystemExit) as e:
self._RunControl('-b', self._test_branch, '-o', self._output_dir,
'-w', clean_dir=False, brds=board_list)
self.assertIn("single commit", str(e.exception))
board_list = board.Boards()
board_list = boards.Boards()
board_list.add_board(board.Board(*BOARDS[0]))
with self.assertRaises(SystemExit) as e:
self._RunControl('-w', clean_dir=False)

View File

@ -10,6 +10,7 @@ import time
import unittest
from buildman import board
from buildman import boards
from buildman import bsettings
from buildman import builder
from buildman import cfgutil
@ -131,7 +132,7 @@ class TestBuild(unittest.TestCase):
self.commits.append(comm)
# Set up boards to build
self.brds = board.Boards()
self.brds = boards.Boards()
for brd in BOARDS:
self.brds.add_board(board.Board(*brd))
self.brds.select_boards([])