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![Simon Glass](/assets/img/avatar_default.png)
Currently buildman allows a list of boards to build to be specified on the command line. The list can include specific board names, architecture, SOC and so on. At present the list of boards is dealt with in an 'OR' fashion, and there is no way to specify something like 'arm & freescale', meaning boards with ARM architecture but only those made by Freescale. This would exclude the PowerPC boards made by Freescale. Support an '&' operator on the command line to permit this. Ensure that arguments can be specified in a single string to permit easy shell quoting. Suggested-by: York Sun <yorksun@freescale.com> Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: York Sun <yorksun@freescale.com>
275 lines
7.9 KiB
Python
275 lines
7.9 KiB
Python
# Copyright (c) 2012 The Chromium OS Authors.
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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import re
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class Expr:
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"""A single regular expression for matching boards to build"""
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def __init__(self, expr):
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"""Set up a new Expr object.
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Args:
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expr: String cotaining regular expression to store
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"""
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self._expr = expr
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self._re = re.compile(expr)
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def Matches(self, props):
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"""Check if any of the properties match the regular expression.
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Args:
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props: List of properties to check
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Returns:
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True if any of the properties match the regular expression
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"""
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for prop in props:
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if self._re.match(prop):
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return True
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return False
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def __str__(self):
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return self._expr
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class Term:
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"""A list of expressions each of which must match with properties.
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This provides a list of 'AND' expressions, meaning that each must
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match the board properties for that board to be built.
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"""
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def __init__(self):
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self._expr_list = []
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self._board_count = 0
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def AddExpr(self, expr):
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"""Add an Expr object to the list to check.
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Args:
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expr: New Expr object to add to the list of those that must
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match for a board to be built.
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"""
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self._expr_list.append(Expr(expr))
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def __str__(self):
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"""Return some sort of useful string describing the term"""
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return '&'.join([str(expr) for expr in self._expr_list])
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def Matches(self, props):
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"""Check if any of the properties match this term
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Each of the expressions in the term is checked. All must match.
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Args:
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props: List of properties to check
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Returns:
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True if all of the expressions in the Term match, else False
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"""
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for expr in self._expr_list:
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if not expr.Matches(props):
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return False
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return True
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class Board:
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"""A particular board that we can build"""
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def __init__(self, status, arch, cpu, soc, vendor, board_name, target, options):
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"""Create a new board type.
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Args:
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status: define whether the board is 'Active' or 'Orphaned'
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arch: Architecture name (e.g. arm)
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cpu: Cpu name (e.g. arm1136)
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soc: Name of SOC, or '' if none (e.g. mx31)
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vendor: Name of vendor (e.g. armltd)
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board_name: Name of board (e.g. integrator)
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target: Target name (use make <target>_defconfig to configure)
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options: board-specific options (e.g. integratorcp:CM1136)
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"""
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self.target = target
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self.arch = arch
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self.cpu = cpu
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self.board_name = board_name
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self.vendor = vendor
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self.soc = soc
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self.props = [self.target, self.arch, self.cpu, self.board_name,
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self.vendor, self.soc]
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self.options = options
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self.build_it = False
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class Boards:
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"""Manage a list of boards."""
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def __init__(self):
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# Use a simple list here, sinc OrderedDict requires Python 2.7
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self._boards = []
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def AddBoard(self, board):
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"""Add a new board to the list.
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The board's target member must not already exist in the board list.
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Args:
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board: board to add
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"""
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self._boards.append(board)
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def ReadBoards(self, fname):
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"""Read a list of boards from a board file.
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Create a board object for each and add it to our _boards list.
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Args:
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fname: Filename of boards.cfg file
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"""
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with open(fname, 'r') as fd:
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for line in fd:
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if line[0] == '#':
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continue
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fields = line.split()
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if not fields:
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continue
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for upto in range(len(fields)):
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if fields[upto] == '-':
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fields[upto] = ''
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while len(fields) < 8:
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fields.append('')
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if len(fields) > 8:
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fields = fields[:8]
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board = Board(*fields)
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self.AddBoard(board)
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def GetList(self):
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"""Return a list of available boards.
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Returns:
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List of Board objects
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"""
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return self._boards
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def GetDict(self):
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"""Build a dictionary containing all the boards.
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Returns:
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Dictionary:
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key is board.target
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value is board
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"""
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board_dict = {}
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for board in self._boards:
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board_dict[board.target] = board
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return board_dict
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def GetSelectedDict(self):
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"""Return a dictionary containing the selected boards
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Returns:
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List of Board objects that are marked selected
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"""
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board_dict = {}
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for board in self._boards:
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if board.build_it:
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board_dict[board.target] = board
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return board_dict
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def GetSelected(self):
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"""Return a list of selected boards
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Returns:
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List of Board objects that are marked selected
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"""
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return [board for board in self._boards if board.build_it]
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def GetSelectedNames(self):
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"""Return a list of selected boards
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Returns:
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List of board names that are marked selected
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"""
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return [board.target for board in self._boards if board.build_it]
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def _BuildTerms(self, args):
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"""Convert command line arguments to a list of terms.
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This deals with parsing of the arguments. It handles the '&'
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operator, which joins several expressions into a single Term.
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For example:
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['arm & freescale sandbox', 'tegra']
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will produce 3 Terms containing expressions as follows:
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arm, freescale
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sandbox
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tegra
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The first Term has two expressions, both of which must match for
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a board to be selected.
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Args:
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args: List of command line arguments
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Returns:
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A list of Term objects
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"""
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syms = []
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for arg in args:
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for word in arg.split():
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sym_build = []
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for term in word.split('&'):
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if term:
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sym_build.append(term)
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sym_build.append('&')
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syms += sym_build[:-1]
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terms = []
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term = None
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oper = None
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for sym in syms:
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if sym == '&':
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oper = sym
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elif oper:
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term.AddExpr(sym)
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oper = None
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else:
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if term:
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terms.append(term)
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term = Term()
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term.AddExpr(sym)
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if term:
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terms.append(term)
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return terms
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def SelectBoards(self, args):
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"""Mark boards selected based on args
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Args:
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List of strings specifying boards to include, either named, or
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by their target, architecture, cpu, vendor or soc. If empty, all
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boards are selected.
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Returns:
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Dictionary which holds the number of boards which were selected
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due to each argument, arranged by argument.
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"""
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result = {}
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terms = self._BuildTerms(args)
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result['all'] = 0
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for term in terms:
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result[str(term)] = 0
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for board in self._boards:
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if terms:
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match = False
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for term in terms:
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if term.Matches(board.props):
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board.build_it = True
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result[str(term)] += 1
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result['all'] += 1
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break
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else:
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board.build_it = True
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result['all'] += 1
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return result
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