Karl W. Schulz
131 строка
3.8 KiB
Python
Исполняемый файл
131 строка
3.8 KiB
Python
Исполняемый файл
#!/usr/bin/env python3
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# -------------------------------------------------------------------------------
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# Support script for license header management.
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# -------------------------------------------------------------------------------
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import argparse
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import logging
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import glob
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import os
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import sys
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import re
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import filecmp
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import shutil
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begDelim = "######bl$"
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endDelim = "######el$"
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maxHeaderLines = 200
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def cacheLicenseFile(infile, comment="#"):
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if not os.path.isfile(infile):
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logging.error("Unable to access license file - >%s" % infile)
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sys.exit(1)
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license = ""
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with open(infile, "r") as file_in:
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for line in file_in:
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license += comment
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if line.strip() != "":
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license += " "
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license += line
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return license
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parser = argparse.ArgumentParser()
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parser.add_argument("--license", required=True, help="License File")
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parser.add_argument("--source", required=True, help="Source directory")
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parser.add_argument("--dryrun", help="enable dryrun mode", action="store_true")
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group = parser.add_mutually_exclusive_group(required=True)
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group.add_argument("--extension", help="file extension to parse")
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group.add_argument("--files", help="specific file(s) to parse")
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logging.basicConfig(format="%(levelname)s: %(message)s", level=logging.INFO)
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args = parser.parse_args()
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srcDir = args.source
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fileExtension = None
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specificFiles = None
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if args.extension:
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fileExtension = args.extension
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if args.files:
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specificFiles = args.files.split(",")
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print("")
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logging.info("Source directory = %s" % srcDir)
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if fileExtension:
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logging.info("File extension = %s" % fileExtension)
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if specificFiles:
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logging.info("Specific files = %s" % specificFiles)
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# cache license file
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license = cacheLicenseFile(args.license)
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# Scan files in provided source directory...
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for filename in glob.iglob(srcDir + "/**", recursive=True):
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# skip directories
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if os.path.isdir(filename):
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continue
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# File matching options:
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# (1) filter non-matching extensions
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if fileExtension:
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if not filename.endswith(fileExtension):
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continue
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# or, (2) filter for specific filename
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if specificFiles:
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found = False
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for file in specificFiles:
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fullPath = os.path.join(srcDir, file)
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if fullPath == filename:
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found = True
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break
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if not found:
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continue
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logging.debug("Examining %s for license..." % filename)
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# Update license header contents if delimiters are found
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with open(filename, "r") as file_in:
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baseName = os.path.basename(filename)
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dirName = os.path.dirname(filename)
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tmpFile = dirName + "/." + baseName + ".tmp"
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file_out = open(tmpFile, "w")
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for line in file_in:
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if re.search(begDelim, line):
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logging.debug("Found beginning delimiter")
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file_out.write(line)
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file_out.write(license)
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foundEnd = False
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for i in range(maxHeaderLines):
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line = file_in.readline()
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if re.search(endDelim, line):
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logging.debug("Found ending delimiter")
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file_out.write(line)
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foundEnd = True
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break
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if not foundEnd:
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logging.error("Unable to find end of delimited header")
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sys.exit(1)
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else:
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file_out.write(line)
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file_out.close()
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# Check if file changed and update
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if not filecmp.cmp(filename, tmpFile, shallow=False):
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logging.info("%s changed" % filename)
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shutil.copystat(filename, tmpFile)
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if not args.dryrun:
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os.rename(tmpFile, filename)
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else:
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os.unlink(tmpFile)
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