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from __future__ import print_function, unicode_literals
import argparse
import os
import os.path as path
from os import chdir
import subprocess
import SimpleHTTPServer
import SocketServer
import mozdebug
from shutil import copytree, rmtree, ignore_patterns, copy2
from mach.decorators import (
CommandArgument,
CommandProvider,
Command,
)
from servo.command_base import CommandBase
def read_file(filename, if_exists=False):
if if_exists and not path.exists(filename):
return None
with open(filename) as f:
return f.read()
@CommandProvider
class MachCommands(CommandBase):
@Command('run',
description='Run Servo',
category='post-build')
@CommandArgument('--debug', action='store_true',
help='Enable the debugger. Not specifying a '
'--debugger option will result in the default '
'debugger being used. The following arguments '
'have no effect without this.')
@CommandArgument('--debugger', default=None, type=str,
help='Name of debugger to use.')
@CommandArgument(
'params', nargs='...',
help="Command-line arguments to be passed through to Servo")
def run(self, params, debug=False, debugger=None):
env = self.build_env()
env["RUST_BACKTRACE"] = "1"
args = [path.join("components", "servo", "target", "servo")]
# Borrowed and modified from:
# http://hg.mozilla.org/mozilla-central/file/c9cfa9b91dea/python/mozbuild/mozbuild/mach_commands.py#l883
if debug:
import mozdebug
if not debugger:
# No debugger name was provided. Look for the default ones on
# current OS.
debugger = mozdebug.get_default_debugger_name(
mozdebug.DebuggerSearch.KeepLooking)
self.debuggerInfo = mozdebug.get_debugger_info(debugger)
if not self.debuggerInfo:
print("Could not find a suitable debugger in your PATH.")
return 1
# Prepend the debugger args.
args = ([self.debuggerInfo.path] + self.debuggerInfo.args
+ args + params)
else:
args = args + params
subprocess.check_call(args, env=env)
@Command('doc',
description='Generate documentation',
category='post-build')
@CommandArgument(
'params', nargs='...',
help="Command-line arguments to be passed through to cargo doc")
def doc(self, params):
self.ensure_bootstrapped()
rust_docs = path.join(self.config["tools"]["rust-root"], "doc")
docs = path.join("components", "servo", "target", "doc")
if not path.exists(docs):
os.mkdir(docs)
if read_file(path.join(docs, "version_info.html"), if_exists=True) != \
read_file(path.join(rust_docs, "version_info.html")):
print("Copying Rust documentation.")
# copytree doesn't like the destination already existing.
for name in os.listdir(rust_docs):
if not name.startswith('.'):
full_name = path.join(rust_docs, name)
destination = path.join(docs, name)
if path.isdir(full_name):
if path.exists(destination):
rmtree(destination)
copytree(full_name, destination)
else:
copy2(full_name, destination)
return subprocess.call(["cargo", "doc"] + params,
env=self.build_env(), cwd=self.servo_crate())
@Command('serve-docs',
description='Locally serve Servo and Rust documentation',
category='post-build')
@CommandArgument(
'port', default=8888, nargs='?', type=int, metavar='PORT',
help="Port to serve documentation at (default is 8888)")
def serve_docs(self, port):
self.doc([])
chdir(path.join("components", "servo", "target", "doc"))
Handler = SimpleHTTPServer.SimpleHTTPRequestHandler
httpd = SocketServer.TCPServer(("", port), Handler)
print("serving at port", port)
httpd.serve_forever()
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