430 lines
19 KiB
Python
Executable File
430 lines
19 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Copyright (c) 2017-2020 Intel Corporation
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#
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# Helper script for code formatting using clang-format-3.9 and autopep
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import argparse
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import filecmp
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import os
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import re
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import sets
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import subprocess
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import sys
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from termcolor import cprint
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SCRIPT_VERSION = "1.3"
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class CodeFormatter:
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def __init__(self, command, expectedVersion, formatCommandArguments, verifyCommandArguments, verifyOutputIsDiff, fileEndings, fileDescription, installCommand):
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self.command = command
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self.expectedVersion = expectedVersion
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self.formatCommandArguments = formatCommandArguments
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self.verifyCommandArguments = verifyCommandArguments
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self.verifyOutputIsDiff = verifyOutputIsDiff
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self.fileEndings = fileEndings
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self.fileDescription = fileDescription
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self.installCommand = installCommand
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def verifyFormatterVersion(self):
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try:
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versionOutput = subprocess.check_output([self.command, "--version"]).rstrip('\r\n')
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if self.expectedVersion != "":
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if versionOutput.startswith(self.expectedVersion):
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print("[OK] Found formatter '" + versionOutput + "'")
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return
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else:
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cprint("[NOT OK] Found '" + versionOutput + "'", "red")
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cprint("[NOT OK] Version string does not start with '" + self.expectedVersion + "'", "red")
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else:
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return
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except:
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cprint("[ERROR] Could not run " + self.command, "red")
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cprint("[INFO] Please check if correct version is installed or install with '" +
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self.installCommand + "'", "blue")
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sys.exit(1)
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def printInputFiles(self):
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if len(self.inputFiles) > 0:
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print("Found " + self.fileDescription + " files:")
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for fileName in self.inputFiles:
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print(fileName)
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print("")
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def formatFile(self, fileName):
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commandList = [self.command]
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commandList.extend(self.formatCommandArguments)
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commandList.append(fileName)
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try:
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subprocess.check_output(commandList, stderr=subprocess.STDOUT)
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print("[OK] " + fileName)
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except subprocess.CalledProcessError as e:
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cprint("[ERROR] " + fileName + " (" + e.output.rstrip('\r\n') + ")", "red")
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return True
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return False
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def performGitDiff(self, fileName, verifyOutput):
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try:
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diffProcess = subprocess.Popen(
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["git", "diff", "--color=always", "--exit-code", "--no-index", "--", fileName, "-"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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diffOutput, _ = diffProcess.communicate(verifyOutput)
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if diffProcess.returncode == 0:
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diffOutput = ""
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except OSError:
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cprint("[ERROR] Failed to run git diff on " + fileName, "red")
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return (True, "")
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return (False, diffOutput)
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def verifyFile(self, fileName, printDiff):
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commandList = [self.command]
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commandList.extend(self.verifyCommandArguments)
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commandList.append(fileName)
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try:
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verifyOutput = subprocess.check_output(commandList, stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as e:
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cprint("[ERROR] " + fileName + " (" + e.output.rstrip('\r\n') + ")", "red")
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return True
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diffOutput = ""
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if self.verifyOutputIsDiff:
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diffOutput = verifyOutput
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else:
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status, diffOutput = self.performGitDiff(fileName, verifyOutput)
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if status:
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return True
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if diffOutput != "":
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cprint("[NOT OK] " + fileName, "red")
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if printDiff:
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print(diffOutput.rstrip('\r\n'))
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return True
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print("[OK] " + fileName)
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return False
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class CodeFormatterClang(CodeFormatter):
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CLANG_FORMAT_FILE = ".clang-format"
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CHECKED_IN_CLANG_FORMAT_FILE = "clang-format"
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CODE_FORMAT_IGNORE_FILE = ".codeformatignore"
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def __init__(self):
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CodeFormatter.__init__(self,
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command="clang-format-3.9",
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expectedVersion="clang-format version 3.9",
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formatCommandArguments=["-style=file", "-fallback-style=none", "-i"],
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verifyCommandArguments=["-style=file", "-fallback-style=none"],
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verifyOutputIsDiff=False,
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fileEndings=["cpp", "hpp", "c", "h", "cc"],
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fileDescription="source and header",
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installCommand="sudo apt-get install clang-format-3.9")
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self.scriptPath = os.path.dirname(os.path.abspath(__file__))
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self.checkedInClangFormatFile = os.path.join(self.scriptPath, CodeFormatterClang.CHECKED_IN_CLANG_FORMAT_FILE)
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def verifyFormatterVersion(self):
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CodeFormatter.verifyFormatterVersion(self)
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self.verifyClangFormatFileExistsAndMatchesCheckedIn()
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def verifyCheckedInClangFormatFileExists(self):
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if os.path.exists(self.checkedInClangFormatFile):
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print("[OK] Found " + CodeFormatterClang.CHECKED_IN_CLANG_FORMAT_FILE + " file (the one that should be in a repository) " +
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self.checkedInClangFormatFile)
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else:
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cprint("[WARN] Not found " + CodeFormatterClang.CHECKED_IN_CLANG_FORMAT_FILE + " file " +
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self.checkedInClangFormatFile, "yellow")
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self.confirmWithUserClangFormatFileCantBeVerified()
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def confirmWithUserClangFormatFileCantBeVerified(self):
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if not self.args.yes:
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answer = raw_input("Are you sure your .clang-format file is up-to-date and you want to continue? (y/N)")
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if answer != "y":
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sys.exit(1)
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def verifyClangFormatFileExistsAndMatchesCheckedIn(self):
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self.verifyCheckedInClangFormatFileExists()
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foundClangFormatFiles = sets.Set()
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for fileName in self.inputFiles:
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dirName = os.path.dirname(os.path.abspath(fileName))
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if not self.findClangFormatFileStartingFrom(dirName, fileName, foundClangFormatFiles):
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sys.exit(1)
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def findClangFormatFileStartingFrom(self, dirName, fileName, foundClangFormatFiles):
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clangFormatFile = os.path.join(dirName, CodeFormatterClang.CLANG_FORMAT_FILE)
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if os.path.exists(clangFormatFile):
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if clangFormatFile not in foundClangFormatFiles:
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foundClangFormatFiles.add(clangFormatFile)
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if os.path.exists(self.checkedInClangFormatFile) and \
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not filecmp.cmp(self.checkedInClangFormatFile, clangFormatFile):
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cprint("[WARN] " + clangFormatFile + " does not match " + self.checkedInClangFormatFile, "yellow")
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self.confirmWithUserClangFormatFileCantBeVerified()
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else:
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print("[OK] Found " + CodeFormatterClang.CLANG_FORMAT_FILE +
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" file (used by the formatter) " + clangFormatFile)
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return True
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else:
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dirNameOneLevelUp = os.path.dirname(dirName)
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if dirNameOneLevelUp == dirName:
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# dirName was already root folder -> clang-format file not found
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cprint("[ERROR] Not found " + CodeFormatterClang.CLANG_FORMAT_FILE + " for " +
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fileName + " in same directory or in any parent directory", "red")
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return False
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else:
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return self.findClangFormatFileStartingFrom(dirNameOneLevelUp, fileName, foundClangFormatFiles)
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class CodeFormatterAutopep(CodeFormatter):
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def __init__(self):
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CodeFormatter.__init__(self,
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command="autopep8",
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expectedVersion="",
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formatCommandArguments=["--in-place", "--max-line-length=119"],
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verifyCommandArguments=["--diff", "--max-line-length=119"],
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verifyOutputIsDiff=True,
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fileEndings=["py"],
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fileDescription="python",
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installCommand="sudo apt-get install python-pep8 python-autopep8")
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class CodeFormat:
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def __init__(self):
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self.failure = False
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self.codeFormatterInstances = []
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return
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def parseCommandLine(self):
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parser = argparse.ArgumentParser(
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description="Helper script for code formatting.")
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parser.add_argument("input", nargs="+",
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help="files or directories to process")
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parser.add_argument("-v", "--verify", action="store_true",
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help="do not change file, but only verify the format is correct")
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parser.add_argument("-d", "--diff", action="store_true",
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help="show diff, implies verify mode")
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parser.add_argument("-e", "--exclude", nargs="+", metavar="exclude",
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help="exclude files or directories containing words from the exclude list in their names")
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parser.add_argument("-y", "--yes", action="store_true",
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help="do not ask for confirmation before formatting more than one file")
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parser.add_argument("--version", action="version", version="%(prog)s " + SCRIPT_VERSION)
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self.args = parser.parse_args()
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if self.args.diff:
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self.args.verify = True
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def addCodeFormatter(self, codeFormatterInstance):
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self.codeFormatterInstances.append(codeFormatterInstance)
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def scanForInputFiles(self):
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for formatterInstance in self.codeFormatterInstances:
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filePattern = re.compile("^[^.].*\.(" + "|".join(formatterInstance.fileEndings) + ")$")
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formatterInstance.inputFiles = []
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for fileOrDirectory in self.args.input:
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if os.path.exists(fileOrDirectory):
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formatterInstance.inputFiles.extend(self.scanFileOrDirectory(fileOrDirectory, filePattern))
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else:
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cprint("[WARN] Cannot find '" + fileOrDirectory + "'", "yellow")
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def scanFileOrDirectory(self, fileOrDirectory, filePattern):
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fileList = []
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if os.path.isdir(fileOrDirectory):
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for root, directories, fileNames in os.walk(fileOrDirectory):
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directories[:] = self.filterDirectories(root, directories)
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for filename in filter(lambda name: filePattern.match(name), fileNames):
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fullFilename = os.path.join(root, filename)
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if self.isFileNotExcluded(fullFilename):
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fileList.append(fullFilename)
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else:
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if self.isFileNotExcluded(fileOrDirectory) and (filePattern.match(os.path.basename(fileOrDirectory)) is not None):
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fileList.append(fileOrDirectory)
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return fileList
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def filterDirectories(self, root, directories):
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# Exclude hidden directories and all directories that have a CODE_FORMAT_IGNORE_FILE
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directories[:] = [directory for directory in directories if
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not directory.startswith(".") and
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not os.path.exists(os.path.join(root, directory, CodeFormatterClang.CODE_FORMAT_IGNORE_FILE))]
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return directories
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def isFileNotExcluded(self, fileName):
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if self.args.exclude is not None:
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for excluded in self.args.exclude:
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if excluded in fileName:
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return False
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if os.path.islink(fileName):
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return False
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return True
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def confirmWithUserFileIsOutsideGit(self, fileName):
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cprint("[WARN] File is not in a Git repo: " + fileName, "yellow")
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answer = raw_input("Are you sure to code format it anyway? (y/Q)")
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if answer != "y":
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sys.exit(1)
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def confirmWithUserFileIsUntracked(self, fileName):
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cprint("[WARN] File is untracked in Git: " + fileName, "yellow")
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answer = raw_input("Are you sure to code format it anyway? (y/Q)")
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if answer != "y":
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sys.exit(1)
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def confirmWithUserGitRepoIsNotClean(self, gitRepo):
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cprint("[WARN] Git repo is not clean: " + gitRepo, "yellow")
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answer = raw_input("Are you sure to code format files in it anyway? (y/Q)")
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if answer != "y":
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sys.exit(1)
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def checkInputFilesAreInCleanGitReposAndAreTracked(self):
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if self.args.verify or self.args.yes:
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return
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gitRepos = sets.Set()
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for formatterInstance in self.codeFormatterInstances:
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for fileName in formatterInstance.inputFiles:
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gitRepo = self.getGitRepoForFile(fileName)
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if gitRepo is None:
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self.confirmWithUserFileIsOutsideGit(fileName)
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else:
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self.gitUpdateIndexRefresh(gitRepo)
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if not self.isTrackedFile(fileName):
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self.confirmWithUserFileIsUntracked(fileName)
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elif gitRepo not in gitRepos:
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gitRepos.add(gitRepo)
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if not self.isCleanGitRepo(gitRepo):
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self.confirmWithUserGitRepoIsNotClean(gitRepo)
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def getGitRepoForFile(self, fileName):
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if not self.isInsideGitRepo(fileName):
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return None
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try:
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gitProcess = subprocess.Popen(["git", "rev-parse", "--show-toplevel"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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cwd=os.path.dirname(fileName))
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gitOutput, _ = gitProcess.communicate()
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if gitProcess.returncode == 0:
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return gitOutput.rstrip('\r\n')
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except OSError:
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cprint("[ERROR] Failed to run 'git rev-parse --show-toplevel' for " + fileName, "red")
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return None
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def isInsideGitRepo(self, fileName):
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try:
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gitProcess = subprocess.Popen(["git", "rev-parse", "--is-inside-work-tree"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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cwd=os.path.dirname(fileName))
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gitOutput, _ = gitProcess.communicate()
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if gitProcess.returncode == 0:
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return gitOutput.rstrip('\r\n') == "true"
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except OSError:
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cprint("[ERROR] Failed to run 'git rev-parse --is-inside-work-tree' for " + fileName, "red")
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return False
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def isTrackedFile(self, fileName):
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try:
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gitProcess = subprocess.Popen(["git", "ls-files", "--error-unmatch", "--", os.path.basename(fileName)],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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cwd=os.path.dirname(fileName))
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_, _ = gitProcess.communicate()
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if gitProcess.returncode == 0:
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return True
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except OSError:
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cprint("[ERROR] Failed to run 'git ls-files --error-unmatch' for " + fileName, "red")
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return False
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def isCleanGitRepo(self, gitRepo):
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try:
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gitProcess = subprocess.Popen(["git", "diff-index", "--quiet", "HEAD", "--"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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cwd=gitRepo)
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_, _ = gitProcess.communicate()
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if gitProcess.returncode == 0:
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return True
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except OSError:
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cprint("[ERROR] Failed to run 'git diff-index --quiet HEAD --' for " + gitRepo, "red")
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return False
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def gitUpdateIndexRefresh(self, gitRepo):
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try:
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gitProcess = subprocess.Popen(["git", "update-index", "-q", "--ignore-submodules", "--refresh"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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cwd=gitRepo)
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_, _ = gitProcess.communicate()
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if gitProcess.returncode == 0:
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return True
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except OSError:
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cprint("[ERROR] Failed to run 'git update-index -q --ignore-submodules --refresh' for " + gitRepo, "red")
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return False
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def verifyFormatterVersion(self):
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for formatterInstance in self.codeFormatterInstances:
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if len(formatterInstance.inputFiles) > 0:
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formatterInstance.verifyFormatterVersion()
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def printMode(self):
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if self.args.verify:
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cprint("VERIFY MODE", attrs=["bold"])
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else:
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cprint("FORMAT MODE", attrs=["bold"])
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def processFiles(self):
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for formatterInstance in self.codeFormatterInstances:
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for fileName in formatterInstance.inputFiles:
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if self.args.verify:
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self.failure |= formatterInstance.verifyFile(fileName, self.args.diff)
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else:
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self.failure |= formatterInstance.formatFile(fileName)
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def numberOfInputFiles(self):
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count = 0
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for formatterInstance in self.codeFormatterInstances:
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count += len(formatterInstance.inputFiles)
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return count
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def confirmWithUser(self):
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if self.numberOfInputFiles() == 0:
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cprint("[WARN] No input files (or file endings unknown)", "yellow")
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elif (not self.args.verify) and (not self.args.yes) and self.numberOfInputFiles() > 1:
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for formatterInstance in self.codeFormatterInstances:
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formatterInstance.printInputFiles()
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answer = raw_input("Are you sure to code format " + str(self.numberOfInputFiles()) + " files? (y/N)")
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if answer != "y":
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sys.exit(1)
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def main():
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codeFormat = CodeFormat()
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codeFormat.parseCommandLine()
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codeFormat.printMode()
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codeFormat.addCodeFormatter(CodeFormatterClang())
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codeFormat.addCodeFormatter(CodeFormatterAutopep())
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codeFormat.scanForInputFiles()
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codeFormat.verifyFormatterVersion()
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codeFormat.confirmWithUser()
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codeFormat.checkInputFilesAreInCleanGitReposAndAreTracked()
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codeFormat.processFiles()
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if codeFormat.failure:
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cprint("FAILURE", "red")
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sys.exit(1)
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else:
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cprint("SUCCESS", "green")
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sys.exit(0)
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if __name__ == "__main__":
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main()
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