#!/usr/bin/env python3
import os
import sys, getopt
import re
"""
Note: this is technically used as a mutliline regexp
"""
text = """/*
* (c) Copyright YEAR CORSIKA Project, corsika-project@lists.kit.edu
*
* This software is distributed under the terms of the GNU General Public
* Licence version 3 (GPL Version 3). See file LICENSE for a full version of
* the license.
*/\n
"""
"""
Debug settings are 0: nothing, 1: checking, 2: filesystem
"""
Debug = 0
excludeDirs = ["ThirdParty", "git", "build", "install"]
excludeFiles = ['PhysicalConstants.h','CorsikaFenvOSX.cc', 'sgn.h']
extensions = [".cc", ".h", ".test"]
"""
justCheck: T: only checking, F: also changing files
"""
justCheck = True
"""
foundMissing: global variable set to True in case of any needed action
"""
foundMissing = False
"""
forYear: replace this with year for copyright notice via command line
"""
forYear="YEAR"
###############################################
#
def checkNote(filename, justCheck, forYear):
"""
function to check, if the file 'filename' contains an exact copy
of the copyright notice defined above.
The function also checks for eventual multiple (maybe conflicting)
copyright notices in the same file.
If 'justCheck' is True, the file will never be changed, otherwise
the function will attempt to put the correct notice exactly once
at the top of the file. The copyright YEAR will be replace with
'forYear', e.g. forYear="2019" or forYear="2018-2020", etc.
The global variable 'foundMissing' is set to True in the event
where any changes are identified, BUT not implemented.
"""
global foundMissing
if Debug>0:
print ("***********************************************")
print ("file: " + filename )
startNote = []
endNote = []
""" read input file into lines """
lines = []
with open(filename, "r", encoding="utf-8") as file:
for line in file.readlines():
lines.append(line)
file.close()
""" 0:before comment block, #1 in comment block, #2 found copyright """
searchStatus = 0
blockStart = 0
for iLine in range(len(lines)):
line = lines[iLine]
if "/*" in line and searchStatus==0:
searchStatus = 1
blockStart = iLine
if "copyright" in line.lower() and searchStatus>0:
searchStatus = 2
if "*/" in line:
if searchStatus>=2:
startNote.append(blockStart)
endNote.append(iLine)
searchStatus = 0
iLine += 1
if Debug>0:
txt = "states: n=" + str(len(startNote))
for i in range(len(startNote)):
txt += ", [" + str(startNote[i]) + "-" + str(endNote[i]) + "]"
print ("stats: " + txt)
""" now check if first copyright notices is already identical... """
isSame = False
if len(startNote)>0:
isSame = True
noteLines = text.split('\n')
for iLine in range(len(noteLines)-2):
if startNote[0]+iLine >= len(lines):
isSame = False
break
regex = re.compile(re.escape(noteLines[iLine].strip(" \n")).replace('YEAR','....'))
if not re.match(regex, lines[startNote[0]+iLine].strip(" \n")):
isSame = False
foundMissing = True
print ("needs update: " + filename + "\n [diff] new=\'" + noteLines[iLine] + "\' vs old=\'" + lines[startNote[0]+iLine].rstrip('\n') + "\'")
break
if Debug>0:
print ("isSame=" + str(isSame) + " " + str(len(startNote)))
""" check if notice is the same, or we need to remove multiple notices... """
if isSame and len(startNote)<=1:
return
if (len(startNote)==0):
print ("No copyright note in file: " + filename)
""" either we found a file with no copyright, or with wrong copyright notice here """
if justCheck:
foundMissing = True
return
""" add (new) copyright notice here: """
print (" [file] " + filename + " --> backup to " + filename+".bak")
os.rename(filename, filename+".bak")
with open(filename, "w") as file:
textReplace = re.sub(r"Copyright YEAR ", "Copyright " + forYear + " ", text)
file.write(textReplace)
skip = False
for iLine in range(len(lines)):
inBlock = False
for iBlock in range(len(startNote)):
if iLine>=startNote[iBlock] and iLine<=endNote[iBlock]:
print (" [remove " + str(iBlock) + "] " + (lines[iLine]).strip())
inBlock = True
skip = True
if inBlock:
continue
""" if line after comment is empty, also remove it """
if lines[iLine].strip() != "":
skip = False
if not skip:
file.write(lines[iLine])
file.close()
###############################################
#
def next_file(dir_name, files, justCheck, forYear):
"""
check files: loops over list of files,
excludes if wished, process otherwise
"""
for check in excludeDirs :
if check in dir_name:
if Debug>1:
print ("exclude-dir: " + check)
return True
for check in files :
if (os.path.isdir(check)):
continue
filename, file_extension = os.path.splitext(check)
if '#' in check or '~' in check:
continue
excludeThisFile=False
for check2 in excludeFiles :
if check2 in check:
if Debug>1:
print ("exclude: " + check2)
excludeThisFile=True
if excludeThisFile:
continue
if file_extension in extensions:
checkNote(os.path.join(dir_name, check), justCheck, forYear)
else:
if Debug>1:
print ("exclude-extension: " + os.path.join(dir_name, check))
###############################################
#
def main(argv):
"""
the main program
"""
global justCheck, foundMissing, Debug, forYear
justCheck = True
Debug = 0
try:
opts, args = getopt.getopt(argv, "cAhd:", ["check", "add=", "debug="])
except getopt.GetoptError:
print ('do-copyright.py [--check] [--add=YEAR] [--debug=0]')
sys.exit(2)
for opt, arg in opts:
if opt == '-h':
print ('do-copyright.py [--check] [--add=YEAR] [--debug=0]')
sys.exit()
elif opt in ("-c", "--check"):
justCheck = True
elif opt in ("-A", "--add"):
justCheck = False
forYear = str(arg)
print ('Adding \'Copyright ' + forYear + '\' notice, where needed. ')
elif opt in ("-d", "--debug"):
Debug = int(arg)
if justCheck:
print ('Only checking. No changes. See \'do-copyright.py -h\' for options.')
for root, dirs, files in os.walk('./'):
next_file(root, files, justCheck, forYear)
###############################################
#
if __name__ == "__main__":
"""
main python entry point
"""
main(sys.argv[1:])
if justCheck and foundMissing:
""" found any need for action """
sys.exit(-1)
print ("Finished")
sys.exit(0)