--- /dev/null
+#!/usr/bin/python
+#
+# Copyright (C) 2010 W. Trevor King <wking@drexel.edu>
+
+"""Automatically update copyright boilerplate.
+
+This script is adapted from one written for `Bugs Everywhere`_
+and Hooke_.
+
+.. _Bugs Everywhere: http://bugseverywhere.org/
+.. _Hooke: http://code.google.com/p/hooke/
+"""
+
+import difflib
+import email.utils
+import os
+import os.path
+import re
+import StringIO
+import sys
+import time
+
+
+PROJECT_INFO = {
+ 'project': 'CalibCant',
+ 'vcs': 'Git',
+ }
+
+# Break "copyright" into "copy" and "right" to avoid matching the
+# REGEXP.
+COPY_RIGHT_TEXT="""
+This file is part of %(project)s.
+
+%(project)s is free software: you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation, either
+version 3 of the License, or (at your option) any later version.
+
+%(project)s is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with %(project)s. If not, see
+<http://www.gnu.org/licenses/>.
+""".strip()
+
+COPY_RIGHT_TAG='-xyz-COPY' + '-RIGHT-zyx-' # unlikely to occur in the wild :p
+
+# Convert author names to canonical forms.
+# ALIASES[<canonical name>] = <list of aliases>
+# for example,
+# ALIASES = {
+# 'John Doe <jdoe@a.com>':
+# ['John Doe', 'jdoe', 'J. Doe <j@doe.net>'],
+# }
+# Git-based projects are encouraged to use .mailmap instead of
+# ALIASES. See git-shortlog(1) for details.
+ALIASES = {}
+
+# List of paths that should not be scanned for copyright updates.
+# IGNORED_PATHS = ['./.git/']
+IGNORED_PATHS = ['./.git/', './.be/', './build', './dist/',
+ './calibcant.egg-info/']
+# List of files that should not be scanned for copyright updates.
+# IGNORED_FILES = ['COPYING']
+IGNORED_FILES = ['COPYING']
+
+# Work around missing author holes in the VCS history.
+# AUTHOR_HACKS[<path tuple>] = [<missing authors]
+# for example, if John Doe contributed to module.py but wasn't listed
+# in the VCS history of that file:
+# AUTHOR_HACKS = {
+# ('path', 'to', 'module.py'):['John Doe'],
+# }
+AUTHOR_HACKS = {}
+
+# Work around missing year holes in the VCS history.
+# YEAR_HACKS[<path tuple>] = <original year>
+# for example, if module.py was published in 2008 but the VCS history
+# only goes back to 2010:
+# YEAR_HACKS = {
+# ('path', 'to', 'module.py'):2008,
+# }
+YEAR_HACKS = {}
+
+# Helpers for VCS-specific commands
+
+def splitpath(path):
+ """Recursively split a path into elements.
+
+ Examples
+ --------
+
+ >>> splitpath(os.path.join('a', 'b', 'c'))
+ ('a', 'b', 'c')
+ >>> splitpath(os.path.join('.', 'a', 'b', 'c'))
+ ('a', 'b', 'c')
+ """
+ path = os.path.normpath(path)
+ elements = []
+ while True:
+ dirname,basename = os.path.split(path)
+ elements.insert(0,basename)
+ if dirname in ['', '.']:
+ break
+ path = dirname
+ return tuple(elements)
+
+# VCS-specific commands
+
+if PROJECT_INFO['vcs'] == 'Git':
+
+ import subprocess
+
+ _MSWINDOWS = sys.platform == 'win32'
+ _POSIX = not _MSWINDOWS
+
+ def invoke(args, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, expect=(0,)):
+ """
+ expect should be a tuple of allowed exit codes.
+ """
+ try :
+ if _POSIX:
+ q = subprocess.Popen(args, stdin=subprocess.PIPE,
+ stdout=stdout, stderr=stderr)
+ else:
+ assert _MSWINDOWS == True, 'invalid platform'
+ # win32 don't have os.execvp() so run the command in a shell
+ q = subprocess.Popen(args, stdin=subprocess.PIPE,
+ stdout=stdout, stderr=stderr, shell=True)
+ except OSError, e:
+ raise ValueError([args, e])
+ stdout,stderr = q.communicate(input=stdin)
+ status = q.wait()
+ if status not in expect:
+ raise ValueError([args, status, stdout, stderr])
+ return status, stdout, stderr
+
+ def git_cmd(*args):
+ status,stdout,stderr = invoke(['git'] + list(args))
+ return stdout.rstrip('\n')
+
+ def original_year(filename, year_hacks=YEAR_HACKS):
+ # shortdate filter: YEAR-MONTH-DAY
+ output = git_cmd('log', '--follow',
+ '--format=format:%ad', # Author date
+ '--date=short', # YYYY-MM-DD
+ filename)
+ years = [int(line.split('-', 1)[0]) for line in output.splitlines()]
+ if splitpath(filename) in year_hacks:
+ years.append(year_hacks[splitpath(filename)])
+ years.sort()
+ return years[0]
+
+ def authors(filename, author_hacks=AUTHOR_HACKS):
+ output = git_cmd('log', '--follow', '--format=format:%aN <%aE>',
+ filename) # Author name <author email>
+ ret = list(set(output.splitlines()))
+ if splitpath(filename) in author_hacks:
+ ret.extend(author_hacks[splitpath(filename)])
+ return ret
+
+ def authors_list(author_hacks=AUTHOR_HACKS):
+ output = git_cmd('log', '--format=format:%aN <%aE>')
+ ret = list(set(output.splitlines()))
+ for path,authors in author_hacks.items():
+ ret.extend(authors)
+ return ret
+
+ def is_versioned(filename):
+ output = git_cmd('log', '--follow', filename)
+ if len(output) == 0:
+ return False
+ return True
+
+elif PROJECT_INFO['vcs'] == 'Mercurial':
+
+ def mercurial_cmd(*args):
+ cwd = os.getcwd()
+ stdout = sys.stdout
+ stderr = sys.stderr
+ tmp_stdout = StringIO.StringIO()
+ tmp_stderr = StringIO.StringIO()
+ sys.stdout = tmp_stdout
+ sys.stderr = tmp_stderr
+ try:
+ mercurial.dispatch.dispatch(list(args))
+ finally:
+ os.chdir(cwd)
+ sys.stdout = stdout
+ sys.stderr = stderr
+ return (tmp_stdout.getvalue().rstrip('\n'),
+ tmp_stderr.getvalue().rstrip('\n'))
+
+ def original_year(filename, year_hacks=YEAR_HACKS):
+ # shortdate filter: YEAR-MONTH-DAY
+ output,error = mercurial_cmd('log', '--follow',
+ '--template', '{date|shortdate}\n',
+ filename)
+ years = [int(line.split('-', 1)[0]) for line in output.splitlines()]
+ if splitpath(filename) in year_hacks:
+ years.append(year_hacks[splitpath(filename)])
+ years.sort()
+ return years[0]
+
+ def authors(filename, author_hacks=AUTHOR_HACKS):
+ output,error = mercurial_cmd('log', '-template', '{author}\n',
+ filename)
+ ret = list(set(output.splitlines()))
+ if splitpath(filename) in author_hacks:
+ ret.extend(author_hacks[splitpath(filename)])
+ return ret
+
+ def authors_list(author_hacks=AUTHOR_HACKS):
+ output,error = mercurial_cmd('log', '--follow',
+ '--template', '{author}\n')
+ ret = list(set(output.splitlines()))
+ for path,authors in author_hacks.items():
+ ret.extend(authors)
+ return ret
+
+ def is_versioned(filename):
+ output,error = mercurial_cmd('log', '--follow', filename)
+ if len(error) > 0:
+ return False
+ return True
+
+elif PROJECT_INFO['vcs'] == 'Bazaar':
+ pass
+
+else:
+ raise NotImplementedError('Unrecognized VCS: %(vcs)s' % PROJECT_INFO)
+
+# General utility commands
+
+def _strip_email(*args):
+ """Remove email addresses from a series of names.
+
+ Examples
+ --------
+
+ >>> _strip_email('J Doe <jdoe@a.com>')
+ ['J Doe']
+ >>> _strip_email('J Doe <jdoe@a.com>', 'JJJ Smith <jjjs@a.com>')
+ ['J Doe', 'JJJ Smith']
+ """
+ args = list(args)
+ for i,arg in enumerate(args):
+ if arg == None:
+ continue
+ author,addr = email.utils.parseaddr(arg)
+ args[i] = author
+ return args
+
+def _reverse_aliases(aliases):
+ """Reverse an `aliases` dict.
+
+ Input: key: canonical name, value: list of aliases
+ Output: key: alias, value: canonical name
+
+ Examples
+ --------
+
+ >>> aliases = {
+ ... 'J Doe <jdoe@a.com>':['Johnny <jdoe@b.edu>', 'J'],
+ ... 'JJJ Smith <jjjs@a.com>':['Jingly <jjjs@b.edu>'],
+ ... None:['Anonymous <a@a.com>'],
+ ... }
+ >>> r = _reverse_aliases(aliases)
+ >>> for item in sorted(r.items()):
+ ... print item
+ ('Anonymous <a@a.com>', None)
+ ('J', 'J Doe <jdoe@a.com>')
+ ('Jingly <jjjs@b.edu>', 'JJJ Smith <jjjs@a.com>')
+ ('Johnny <jdoe@b.edu>', 'J Doe <jdoe@a.com>')
+ """
+ output = {}
+ for canonical_name,_aliases in aliases.items():
+ for alias in _aliases:
+ output[alias] = canonical_name
+ return output
+
+def _replace_aliases(authors, with_email=True, aliases=None):
+ """Consolidate and sort `authors`.
+
+ Make the replacements listed in the `aliases` dict (key: canonical
+ name, value: list of aliases). If `aliases` is ``None``, default
+ to ``ALIASES``.
+
+ >>> aliases = {
+ ... 'J Doe <jdoe@a.com>':['Johnny <jdoe@b.edu>'],
+ ... 'JJJ Smith <jjjs@a.com>':['Jingly <jjjs@b.edu>'],
+ ... None:['Anonymous <a@a.com>'],
+ ... }
+ >>> _replace_aliases(['JJJ Smith <jjjs@a.com>', 'Johnny <jdoe@b.edu>',
+ ... 'Jingly <jjjs@b.edu>', 'Anonymous <a@a.com>'],
+ ... with_email=True, aliases=aliases)
+ ['J Doe <jdoe@a.com>', 'JJJ Smith <jjjs@a.com>']
+ >>> _replace_aliases(['JJJ Smith', 'Johnny', 'Jingly', 'Anonymous'],
+ ... with_email=False, aliases=aliases)
+ ['J Doe', 'JJJ Smith']
+ >>> _replace_aliases(['JJJ Smith <jjjs@a.com>', 'Johnny <jdoe@b.edu>',
+ ... 'Jingly <jjjs@b.edu>', 'J Doe <jdoe@a.com>'],
+ ... with_email=True, aliases=aliases)
+ ['J Doe <jdoe@a.com>', 'JJJ Smith <jjjs@a.com>']
+ """
+ if aliases == None:
+ aliases = ALIASES
+ if with_email == False:
+ aliases = dict([(_strip_email(author)[0], _strip_email(*_aliases))
+ for author,_aliases in aliases.items()])
+ rev_aliases = _reverse_aliases(aliases)
+ for i,author in enumerate(authors):
+ if author in rev_aliases:
+ authors[i] = rev_aliases[author]
+ authors = sorted(list(set(authors)))
+ if None in authors:
+ authors.remove(None)
+ return authors
+
+def _copyright_string(original_year, final_year, authors, prefix=''):
+ """
+ >>> print _copyright_string(original_year=2005,
+ ... final_year=2005,
+ ... authors=['A <a@a.com>', 'B <b@b.edu>'],
+ ... prefix='# '
+ ... ) # doctest: +ELLIPSIS
+ # Copyright (C) 2005 A <a@a.com>
+ # B <b@b.edu>
+ #
+ # This file...
+ >>> print _copyright_string(original_year=2005,
+ ... final_year=2009,
+ ... authors=['A <a@a.com>', 'B <b@b.edu>']
+ ... ) # doctest: +ELLIPSIS
+ Copyright (C) 2005-2009 A <a@a.com>
+ B <b@b.edu>
+ <BLANKLINE>
+ This file...
+ """
+ if original_year == final_year:
+ date_range = '%s' % original_year
+ else:
+ date_range = '%s-%s' % (original_year, final_year)
+ lines = ['Copyright (C) %s %s' % (date_range, authors[0])]
+ for author in authors[1:]:
+ lines.append(' '*(len('Copyright (C) ')+len(date_range)+1) +
+ author)
+ lines.append('')
+ lines.extend((COPY_RIGHT_TEXT % PROJECT_INFO).splitlines())
+ for i,line in enumerate(lines):
+ lines[i] = (prefix + line).rstrip()
+ return '\n'.join(lines)
+
+def _tag_copyright(contents):
+ """
+ >>> contents = '''Some file
+ ... bla bla
+ ... # Copyright (copyright begins)
+ ... # (copyright continues)
+ ... # bla bla bla
+ ... (copyright ends)
+ ... bla bla bla
+ ... '''
+ >>> print _tag_copyright(contents).replace('COPY-RIGHT', 'CR')
+ Some file
+ bla bla
+ -xyz-CR-zyx-
+ (copyright ends)
+ bla bla bla
+ <BLANKLINE>
+ """
+ lines = []
+ incopy = False
+ for line in contents.splitlines():
+ if incopy == False and line.startswith('# Copyright'):
+ incopy = True
+ lines.append(COPY_RIGHT_TAG)
+ elif incopy == True and not line.startswith('#'):
+ incopy = False
+ if incopy == False:
+ lines.append(line.rstrip('\n'))
+ return '\n'.join(lines)+'\n'
+
+def _update_copyright(contents, original_year, authors):
+ """
+ >>> contents = '''Some file
+ ... bla bla
+ ... # Copyright (copyright begins)
+ ... # (copyright continues)
+ ... # bla bla bla
+ ... (copyright ends)
+ ... bla bla bla
+ ... '''
+ >>> print _update_copyright(contents, 2008, ['Jack', 'Jill']
+ ... ) # doctest: +ELLIPSIS, +REPORT_UDIFF
+ Some file
+ bla bla
+ # Copyright (C) 2008-... Jack
+ # Jill
+ #
+ # This file...
+ (copyright ends)
+ bla bla bla
+ <BLANKLINE>
+ """
+ current_year = time.gmtime()[0]
+ copyright_string = _copyright_string(
+ original_year, current_year, authors, prefix='# ')
+ contents = _tag_copyright(contents)
+ return contents.replace(COPY_RIGHT_TAG, copyright_string)
+
+def ignored_file(filename, ignored_paths=None, ignored_files=None,
+ check_disk=True, check_vcs=True):
+ """
+ >>> ignored_paths = ['./a/', './b/']
+ >>> ignored_files = ['x', 'y']
+ >>> ignored_file('./a/z', ignored_paths, ignored_files, False, False)
+ True
+ >>> ignored_file('./ab/z', ignored_paths, ignored_files, False, False)
+ False
+ >>> ignored_file('./ab/x', ignored_paths, ignored_files, False, False)
+ True
+ >>> ignored_file('./ab/xy', ignored_paths, ignored_files, False, False)
+ False
+ >>> ignored_file('./z', ignored_paths, ignored_files, False, False)
+ False
+ """
+ if ignored_paths == None:
+ ignored_paths = IGNORED_PATHS
+ if ignored_files == None:
+ ignored_files = IGNORED_FILES
+ if check_disk == True and os.path.isfile(filename) == False:
+ return True
+ for path in ignored_paths:
+ if filename.startswith(path):
+ return True
+ if os.path.basename(filename) in ignored_files:
+ return True
+ if check_vcs == True and is_versioned(filename) == False:
+ return True
+ return False
+
+def _set_contents(filename, contents, original_contents=None, dry_run=False,
+ verbose=0):
+ if original_contents == None and os.path.isfile(filename):
+ f = open(filename, 'r')
+ original_contents = f.read()
+ f.close()
+ if verbose > 0:
+ print "checking %s ... " % filename,
+ if contents != original_contents:
+ if verbose > 0:
+ if original_contents == None:
+ print "[creating]"
+ else:
+ print "[updating]"
+ if verbose > 1 and original_contents != None:
+ print '\n'.join(
+ difflib.unified_diff(
+ original_contents.splitlines(), contents.splitlines(),
+ fromfile=os.path.normpath(os.path.join('a', filename)),
+ tofile=os.path.normpath(os.path.join('b', filename)),
+ n=3, lineterm=''))
+ if dry_run == False:
+ f = file(filename, 'w')
+ f.write(contents)
+ f.close()
+ elif verbose > 0:
+ print "[no change]"
+
+# Update commands
+
+def update_authors(authors_fn=authors_list, dry_run=False, verbose=0):
+ authors = authors_fn()
+ authors = _replace_aliases(authors, with_email=True, aliases=ALIASES)
+ new_contents = '%s was written by:\n%s\n' % (
+ PROJECT_INFO['project'],
+ '\n'.join(authors)
+ )
+ _set_contents('AUTHORS', new_contents, dry_run=dry_run, verbose=verbose)
+
+def update_file(filename, original_year_fn=original_year, authors_fn=authors,
+ dry_run=False, verbose=0):
+ f = file(filename, 'r')
+ contents = f.read()
+ f.close()
+
+ original_year = original_year_fn(filename)
+ authors = authors_fn(filename)
+ authors = _replace_aliases(authors, with_email=True, aliases=ALIASES)
+
+ new_contents = _update_copyright(contents, original_year, authors)
+ _set_contents(filename, contents=new_contents, original_contents=contents,
+ dry_run=dry_run, verbose=verbose)
+
+def update_files(files=None, dry_run=False, verbose=0):
+ if files == None or len(files) == 0:
+ files = []
+ for dirpath,dirnames,filenames in os.walk('.'):
+ for filename in filenames:
+ files.append(os.path.join(dirpath, filename))
+
+ for filename in files:
+ if ignored_file(filename) == True:
+ continue
+ update_file(filename, dry_run=dry_run, verbose=verbose)
+
+def test():
+ import doctest
+ doctest.testmod()
+
+if __name__ == '__main__':
+ import optparse
+ import sys
+
+ usage = """%%prog [options] [file ...]
+
+Update copyright information in source code with information from
+the %(vcs)s repository. Run from the %(project)s repository root.
+
+Replaces every line starting with '^# Copyright' and continuing with
+'^#' with an auto-generated copyright blurb. If you want to add
+#-commented material after a copyright blurb, please insert a blank
+line between the blurb and your comment, so the next run of
+``update_copyright.py`` doesn't clobber your comment.
+
+If no files are given, a list of files to update is generated
+automatically.
+""" % PROJECT_INFO
+ p = optparse.OptionParser(usage)
+ p.add_option('--test', dest='test', default=False,
+ action='store_true', help='Run internal tests and exit')
+ p.add_option('--dry-run', dest='dry_run', default=False,
+ action='store_true', help="Don't make any changes")
+ p.add_option('-v', '--verbose', dest='verbose', default=0,
+ action='count', help='Increment verbosity')
+ options,args = p.parse_args()
+
+ if options.test == True:
+ test()
+ sys.exit(0)
+
+ update_authors(dry_run=options.dry_run, verbose=options.verbose)
+ update_files(files=args, dry_run=options.dry_run, verbose=options.verbose)
+
+# LocalWords: difflib
projects / calibcant.git / commitdiff