- address = re.sub('[\\\\"]', '\\\\\g<0>', address)
- str_list = re.findall('^(.*)\s*<(.*)>\s*(.*)\s*$', address)
- if not str_list:
- raise CmdException, 'Incorrect "name <email> date" string: %s' % address
-
- return str_list[0]
-
-def patch_name_from_msg(msg):
- """Return a string to be used as a patch name. This is generated
- from the first 30 characters of the top line of the string passed
- as argument."""
- if not msg:
- return None
-
- subject_line = msg[:30].lstrip().split('\n', 1)[0].lower()
- return re.sub('[\W]+', '-', subject_line).strip('-')
-
-def make_patch_name(msg, unacceptable, default_name = 'patch',
- alternative = True):
- """Return a patch name generated from the given commit message,
- guaranteed to make unacceptable(name) be false. If the commit
- message is empty, base the name on default_name instead."""
- patchname = patch_name_from_msg(msg)
- if not patchname:
- patchname = default_name
- if alternative and unacceptable(patchname):
- suffix = 0
- while unacceptable('%s-%d' % (patchname, suffix)):
- suffix += 1
- patchname = '%s-%d' % (patchname, suffix)
- return patchname
+ from email.Header import decode_header, make_header
+
+ def __decode_header(header):
+ """Decode a qp-encoded e-mail header as per rfc2047"""
+ try:
+ words_enc = decode_header(header)
+ hobj = make_header(words_enc)
+ except Exception, ex:
+ raise CmdException, 'header decoding error: %s' % str(ex)
+ return unicode(hobj).encode('utf-8')
+
+ # parse the headers
+ if msg.has_key('from'):
+ authname, authemail = name_email(__decode_header(msg['from']))
+ else:
+ authname = authemail = None
+
+ # '\n\t' can be found on multi-line headers
+ descr = __decode_header(msg['subject']).replace('\n\t', ' ')
+ authdate = msg['date']
+
+ # remove the '[*PATCH*]' expression in the subject
+ if descr:
+ descr = re.findall('^(\[.*?[Pp][Aa][Tt][Cc][Hh].*?\])?\s*(.*)$',
+ descr)[0][1]
+ else:
+ raise CmdException, 'Subject: line not found'
+
+ # the rest of the message
+ msg_text = ''
+ for part in msg.walk():
+ if part.get_content_type() == 'text/plain':
+ msg_text += part.get_payload(decode = True)
+
+ rem_descr, diff = __split_descr_diff(msg_text)
+ if rem_descr:
+ descr += '\n\n' + rem_descr
+
+ # parse the description for author information
+ descr, descr_authname, descr_authemail, descr_authdate = \
+ __parse_description(descr)
+ if descr_authname:
+ authname = descr_authname
+ if descr_authemail:
+ authemail = descr_authemail
+ if descr_authdate:
+ authdate = descr_authdate
+
+ return (descr, authname, authemail, authdate, diff)
+
+def parse_patch(text, contains_diff):
+ """Parse the input text and return (description, authname,
+ authemail, authdate, diff)
+ """
+ if contains_diff:
+ (text, diff) = __split_descr_diff(text)
+ else:
+ diff = None
+ (descr, authname, authemail, authdate) = __parse_description(text)
+
+ # we don't yet have an agreed place for the creation date.
+ # Just return None
+ return (descr, authname, authemail, authdate, diff)
+
+def readonly_constant_property(f):
+ """Decorator that converts a function that computes a value to an
+ attribute that returns the value. The value is computed only once,
+ the first time it is accessed."""
+ def new_f(self):
+ n = '__' + f.__name__
+ if not hasattr(self, n):
+ setattr(self, n, f(self))
+ return getattr(self, n)
+ return property(new_f)
+
+class DirectoryException(StgException):
+ pass
+
+class _Directory(object):
+ def __init__(self, needs_current_series = True, log = True):
+ self.needs_current_series = needs_current_series
+ self.log = log
+ @readonly_constant_property
+ def git_dir(self):
+ try:
+ return Run('git', 'rev-parse', '--git-dir'
+ ).discard_stderr().output_one_line()
+ except RunException:
+ raise DirectoryException('No git repository found')
+ @readonly_constant_property
+ def __topdir_path(self):
+ try:
+ lines = Run('git', 'rev-parse', '--show-cdup'
+ ).discard_stderr().output_lines()
+ if len(lines) == 0:
+ return '.'
+ elif len(lines) == 1:
+ return lines[0]
+ else:
+ raise RunException('Too much output')
+ except RunException:
+ raise DirectoryException('No git repository found')
+ @readonly_constant_property
+ def is_inside_git_dir(self):
+ return { 'true': True, 'false': False
+ }[Run('git', 'rev-parse', '--is-inside-git-dir'
+ ).output_one_line()]
+ @readonly_constant_property
+ def is_inside_worktree(self):
+ return { 'true': True, 'false': False
+ }[Run('git', 'rev-parse', '--is-inside-work-tree'
+ ).output_one_line()]
+ def cd_to_topdir(self):
+ os.chdir(self.__topdir_path)
+ def write_log(self, msg):
+ if self.log:
+ log.compat_log_entry(msg)
+
+class DirectoryAnywhere(_Directory):
+ def setup(self):
+ pass
+
+class DirectoryHasRepository(_Directory):
+ def setup(self):
+ self.git_dir # might throw an exception
+ log.compat_log_external_mods()
+
+class DirectoryInWorktree(DirectoryHasRepository):
+ def setup(self):
+ DirectoryHasRepository.setup(self)
+ if not self.is_inside_worktree:
+ raise DirectoryException('Not inside a git worktree')
+
+class DirectoryGotoToplevel(DirectoryInWorktree):
+ def setup(self):
+ DirectoryInWorktree.setup(self)
+ self.cd_to_topdir()
+
+class DirectoryHasRepositoryLib(_Directory):
+ """For commands that use the new infrastructure in stgit.lib.*."""
+ def __init__(self):
+ self.needs_current_series = False
+ self.log = False # stgit.lib.transaction handles logging
+ def setup(self):
+ # This will throw an exception if we don't have a repository.
+ self.repository = libstack.Repository.default()
~mdw / stgit / blobdiff