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import os
import sys
from nbblib.package import *
from nbblib.plugins import *
from nbblib.progutils import *
from nbblib.vcs import *
from nbblib.bs import *
def adjust_doc(doc):
"""Remove common whitespace at beginning of doc string lines"""
if not doc: return doc
i = 0
for i in range(len(doc)):
if doc[i] not in " \t":
break
prefix = doc[:i]
rest_doc = doc[i:]
almost_doc = rest_doc.replace("\n%s" % prefix, "\n")
i = -1
while almost_doc[i] == '\n':
i = i - 1
return almost_doc[:i]
class CommandLineError(Exception):
def __init__(self, message, *args):
super(CommandLineError, self).__init__()
if args:
self.msg = message % args
else:
self.msg = message
def __str__(self):
return "Command line error: %s" % self.msg
########################################################################
# Command plugin system
########################################################################
class Command(object):
"""
Mount point for plugins which refer to commands that can be performed.
Plugins implementing this reference should provide the following
interface:
name attribute
The text to be displayed, describing the version control system
summary attribute
Short (less than 50 chars) command summary line
usage attribute
Usage string (defaults to '')
validate_args(*args, **kwargs) function
Must raise CommandLineError() if it encounters invalid arguments in cmdargs
run() function
Actually run the function
FFF(*args, **kwargs)
*args are the arguments from the command line
**kwargs are additional parameters from within the program
"""
__metaclass__ = GenericPluginMeta
usage = ''
def __init__(self, *args, **kwargs):
self.validate_args(*args, **kwargs)
self.args = args
self.kwargs = kwargs
self.context = kwargs['context']
def run(self):
"""Run the command"""
raise NotImplementedError()
def validate_args(self, *args, **kwargs):
"""Validate command line arguments"""
print "Command: ", self.name
print "*args: ", args
print "**kwargs:", kwargs
if len(args) > 0:
raise CommandLineError("'%s' command takes no parameters",
self.name)
def __str__(self):
return "Command(%s, %s)" % (self.cmd_name, self.cmdargs)
class HelpCommand(Command):
"""\
If the optional <command> is given, print the help for <command>.
Else, print a list of commands and general help.
"""
name = 'help'
summary = 'print help text'
usage = '[<command>]'
def validate_args(self, *args, **kwargs):
if len(args) == 1 and args[0] not in Command.plugins.keys():
raise CommandLineError("'%s' is an invalid command name", args[0])
elif len(args) > 1:
raise CommandLineError("'%s' command only takes one optional parameter", self.name)
def _print_command_list(self):
print "List of commands:"
keys = Command.plugins.keys()
keys.sort()
for k in keys:
print "\t%-15s\t%s" % (k, Command.plugins[k].summary)
def _print_command_help(self, cmd):
"""print help for command cmd"""
c = Command.plugins[cmd]
print "Purpose:", c.summary
if c.usage:
print "Usage: ", self.context.prog, cmd, c.usage
else:
print "Usage: ", self.context.prog, cmd
if hasattr(c, '__doc__'):
if c.__doc__:
print
print adjust_doc(c.__doc__)
def run(self):
if len(self.args) == 0:
self._print_command_list()
elif len(self.args) == 1:
self._print_command_help(self.args[0])
else:
assert(False)
class InternalConfigCommand(Command):
name = 'internal-config'
summary = 'print internal program configuration'
def run(self):
print "Source tree types:", ", ".join(VCSourceTree.plugins.keys())
print "Build system types:", ", ".join(BSSourceTree.plugins.keys())
print "Commands:", ", ".join(Command.plugins.keys())
class SourceClassCommand(Command):
"""Base class for commands acting on source trees"""
def __init__(self, *args, **kwargs):
super(SourceClassCommand, self).__init__(*args, **kwargs)
context = kwargs['context']
srcdir = os.getcwd()
absdir = os.path.abspath(srcdir)
self.vcs_sourcetree = VCSourceTree.detect(absdir, context)
if context.verbose:
print "vcs_sourcetree", str(self.vcs_sourcetree)
assert(self.vcs_sourcetree)
cfg = self.vcs_sourcetree.config
self.bs_sourcetree = BSSourceTree.detect(self.vcs_sourcetree, context)
if context.verbose:
print "bs_sourcetree", str(self.bs_sourcetree)
print "CONFIG", cfg
print " ", "srcdir", cfg.srcdir
print " ", "builddir", cfg.builddir
print " ", "installdir", cfg.installdir
class BuildTestCommand(SourceClassCommand):
name = 'build-test'
summary = 'simple build test'
def run(self):
self.bs_sourcetree.init()
self.bs_sourcetree.configure()
self.bs_sourcetree.build()
self.bs_sourcetree.install()
class InitCommand(SourceClassCommand):
name = 'init'
summary = 'initialize buildsystem'
def run(self):
self.bs_sourcetree.init()
class ConfigureCommand(SourceClassCommand):
name = 'configure'
summary = 'configure buildsystem'
def run(self):
self.bs_sourcetree.configure()
class BuildCommand(SourceClassCommand):
name = 'build'
summary = 'build from source'
def run(self):
self.bs_sourcetree.build()
class InstallCommand(SourceClassCommand):
name = 'install'
summary = 'install the built things'
def run(self):
self.bs_sourcetree.install()
class MakeCommand(SourceClassCommand):
name = 'make'
summary = 'run make in builddir'
def validate_args(self, *args, **kwargs):
pass
def run(self):
os.chdir(self.bs_sourcetree.config.builddir)
prog_run(["make"] + list(self.args),
self.context)
class ConfigCommand(SourceClassCommand):
name = 'config'
summary = 'set/get config values'
usage = '(srcdir|builddir|installdir)'
def validate_args(self, *args, **kwargs):
items = ('srcdir', 'builddir', 'installdir', )
if len(args) == 0:
raise CommandLineError("'%s' command requires at least one parameter (%s)",
self.name, ', '.join(items))
elif len(args) == 1 and args[0] in items:
pass
elif len(args) == 2 and args[0] in items:
if args[0] in ('srcdir', ):
raise CommandLineError("'%s' command cannot change 'srcdir'",
self.name)
else:
pass
else:
raise CommandLineError("'%s' requires less or different parameters",
self.name)
def run(self):
git_get_items = ('builddir', 'installdir', 'srcdir')
git_set_items = ('builddir', 'installdir', )
if len(self.args) == 1:
if self.args[0] in git_get_items:
print getattr(self.vcs_sourcetree.config, self.args[0])
else:
assert(False)
elif len(self.args) == 2:
if self.args[0] == 'builddir':
self.vcs_sourcetree.config.builddir = self.args[1]
elif self.args[0] == 'installdir':
self.vcs_sourcetree.config.installdir = self.args[1]
else:
assert(False)
else:
assert(False)
########################################################################
# Commands
########################################################################
class NBB_Command(object):
def __init__(self, cmd, cmdargs, context):
if Command.plugins.has_key(cmd):
try:
c = Command.plugins[cmd](*cmdargs, **{'context':context})
c.run()
except CommandLineError, e:
print "%(prog)s: Fatal:" % context, e
sys.exit(2)
except ProgramRunError, e:
print "%(prog)s: Fatal:" % context, e
print "Program aborted."
else:
print "Fatal: Unknown command '%s'" % cmd
raise NotImplementedError()
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