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import os
import shlex
import sys
from argparse import ArgumentParser, Namespace
from typing import List, NoReturn
import prompt_toolkit
from . import commands, core, helper, log, shared, ui
from .core import defaultData, getSystemCommand, manager
itParser: ArgumentParser = ArgumentParser()
class BasicError(Exception):
def __init__(self, message):
super().__init__()
self.message = message
def __str__(self):
return self.message
class ITParser(ArgumentParser):
def error(self, message):
raise BasicError(message)
def exit(self, status=0, message=None):
if message:
self._print_message(message, sys.stderr)
builtinCmdLists: List[str] = list(commands.commandVerbs)
def getITParser()->ITParser:
parser = ITParser(
prog="", description="Code Runner", add_help=True)
subpars = parser.add_subparsers()
for cmd in commands.commands:
cmd.createParser(subpars)
# cmd_help = subpars.add_parser("help", help="Help")
# cmd_help.set_defaults(func=gethelp)
return parser
def doSyscall(cmd, message) -> int:
log.debug(f"System call: {cmd}")
console = ui.getConsole()
console.info(message, end=" ")
console.write(cmd)
retCode = os.system(getSystemCommand(cmd, shared.getManager()))
console.info(f"System command exited:", end=" ")
if retCode == 0:
console.write(retCode)
else:
console.error(retCode)
return retCode
defaultPrompt = "> "
def mainInit()->None:
global itParser
from prompt_toolkit import PromptSession
# from pygments.lexers.shell import BashLexer
from .ui.helper.BashLexer import BashLexer
from prompt_toolkit.lexers import PygmentsLexer
from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
itParser = getITParser()
shared.setCwd(os.getcwd())
helper.loadMan()
cliInputSession = PromptSession(
message=defaultPrompt,
lexer=PygmentsLexer(BashLexer),
auto_suggest=AutoSuggestFromHistory())
ui.setConsole(ui.CLI(inputCommandSession=cliInputSession))
log.debug("Main initializing finished.")
def executeCommand(oricmd: str) -> int:
console = ui.getConsole()
cargs = shlex.split(oricmd)
if not cargs:
return 0
if cargs[0].startswith(">"):
return doSyscall(oricmd[1:], "Call system command:")
else:
try:
cmd = itParser.parse_args(cargs)
except BasicError as e: # when parse failed, parser will call exit()
man = shared.getManager()
importedCommand = man.importedCommand if man \
else defaultData.importedCommand
if cargs[0] in importedCommand:
return doSyscall(
f"{importedCommand[cargs[0]]} {' '.join(cargs[1:])}", "Imported command:")
else:
console.warning("We can't recognize this command:")
console.write(f" {e}")
if console.confirm("Do you mean a system command?",
[ui.SwitchState.Yes, ui.SwitchState.No])\
== ui.SwitchState.Yes:
return doSyscall(oricmd, "Call system command:")
else:
if hasattr(cmd, "func"):
log.debug(f"Builtin command: {oricmd}", extra={
"namespace": cmd})
return cmd.func(cmd).value
return 0
def getCommandCompleter()->prompt_toolkit.completion.Completer:
from prompt_toolkit.completion import WordCompleter, merge_completers
cmdLists = list(builtinCmdLists)
man = shared.getManager()
if man:
cmdLists += man.importedCommand.keys()
else:
cmdLists += defaultData.importedCommand
wc = WordCompleter(cmdLists, ignore_case=True)
pc = ui.PathCompleter()
return merge_completers([wc, pc])
def main()->int: # pragma: no cover
global itParser
baseParser = ArgumentParser(
prog="ecr", description="Code Runner")
baseParser.add_argument("-V", "--version", default=False, action="store_true",
help="Get version")
baseParser.add_argument("-v", "--verbose", default=False, action="store_true",
help="Log more information")
baseParser.add_argument("-d", "--dir", default=None,
help="Set working directory")
baseParser.add_argument(
"-c", "--command", default=None, help="Execute command")
baseCmd = baseParser.parse_args()
if baseCmd.version:
return commands.VersionCommand.default(Namespace()).value
if baseCmd.dir:
os.chdir(baseCmd.dir)
if baseCmd.verbose:
log.initializeLogger(level=log.logging.DEBUG, data=shared.getLogData())
else:
log.initializeLogger(level=log.logging.INFO,
data=shared.getLogData())
if not core.globalData.exists():
try:
core.globalData.initialize()
except:
log.errorWithException("Loading global failed.")
mainInit()
if baseCmd.command:
return executeCommand(baseCmd.command)
helper.printHead()
while True:
try:
curfile = ""
man = shared.getManager()
console = ui.getConsole()
if man and man.currentFile:
if man.currentFile.type == manager.WorkItemType.File:
curfile = man.currentFile.name
else:
curfile = "@" + man.currentFile.name
_oricmd = str(console.inputCommand(
curfile + defaultPrompt,
completer=getCommandCompleter(), complete_in_thread=False)).strip()
oricmd = helper.formatWithVars(_oricmd, shared.getVariables())
except KeyboardInterrupt:
continue
except EOFError:
break
if helper.varFormatRE.fullmatch(_oricmd):
console.write(oricmd.strip("'"))
else:
retcode = executeCommand(oricmd)
if retcode == ui.command.ReturnCode.EXIT.value:
break
elif retcode != 0:
log.warning(f"Command returned {retcode}: {oricmd}")
return 0
def outmain() -> NoReturn: # pragma: no cover
sys.exit(int(main()))
if __name__ == "__main__": # pragma: no cover
outmain()
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