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#!/usr/bin/env python
"""
wciia - Whose Code Is It Anyway
Determines code owner of the file/folder relative to the llvm source root.
Code owner is determined from the content of the CODE_OWNERS.TXT
by parsing the D: field
usage:
utils/wciia.py path
limitations:
- must be run from llvm source root
- very simplistic algorithm
- only handles * as a wildcard
- not very user friendly
- does not handle the proposed F: field
"""
import os
code_owners = {}
def process_files_and_folders(owner):
filesfolders = owner['filesfolders']
# paths must be in ( ... ) so strip them
lpar = filesfolders.find('(')
rpar = filesfolders.rfind(')')
if rpar <= lpar:
# give up
return
paths = filesfolders[lpar+1:rpar]
# split paths
owner['paths'] = []
for path in paths.split():
owner['paths'].append(path)
def process_code_owner(owner):
if 'filesfolders' in owner:
filesfolders = owner['filesfolders']
else:
# print "F: field missing, using D: field"
owner['filesfolders'] = owner['description']
process_files_and_folders(owner)
code_owners[owner['name']] = owner
# process CODE_OWNERS.TXT first
code_owners_file = open("CODE_OWNERS.TXT", "r").readlines()
code_owner = {}
for line in code_owners_file:
for word in line.split():
if word == "N:":
name = line[2:].strip()
if code_owner:
process_code_owner(code_owner)
code_owner = {}
# reset the values
code_owner['name'] = name
if word == "E:":
email = line[2:].strip()
code_owner['email'] = email
if word == "D:":
description = line[2:].strip()
code_owner['description'] = description
if word == "F:":
filesfolders = line[2:].strip()
code_owner['filesfolders'].append(filesfolders)
def find_owners(fpath):
onames = []
lmatch = -1
# very simplistic way of findning the best match
for name in code_owners:
owner = code_owners[name]
if 'paths' in owner:
for path in owner['paths']:
# print "searching (" + path + ")"
# try exact match
if fpath == path:
return name
# see if path ends with a *
rstar = path.rfind('*')
if rstar>0:
# try the longest match,
rpos = -1
if len(fpath) < len(path):
rpos = path.find(fpath)
if rpos == 0:
onames.append(name)
onames.append('Chris Lattner')
return onames
# now lest try to find the owner of the file or folder
import sys
if len(sys.argv) < 2:
print "usage " + sys.argv[0] + " file_or_folder"
exit(-1)
# the path we are checking
path = str(sys.argv[1])
# check if this is real path
if not os.path.exists(path):
print "path (" + path + ") does not exist"
exit(-1)
owners_name = find_owners(path)
# be gramatically correct
print "The owner(s) of the (" + path + ") is(are) : " + str(owners_name)
exit(0)
# bottom up walk of the current .
# not yet used
root = "."
for dir,subdirList,fileList in os.walk( root , topdown=False ) :
print "dir :" , dir
for fname in fileList :
print "-" , fname
print
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