"""Common utility functions
"""
-import errno, os, os.path
+import errno, os, os.path, re, sys
+from stgit.exception import *
+from stgit.config import config
+from stgit.out import *
__copyright__ = """
Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
create_dirs(os.path.dirname(filename))
return file(filename, mode)
+def read_strings(filename):
+ """Reads the lines from a file
+ """
+ f = file(filename, 'r')
+ lines = [line.strip() for line in f.readlines()]
+ f.close()
+ return lines
+
def read_string(filename, multiline = False):
"""Reads the first line from a file
"""
f.close()
return result
+def write_strings(filename, lines):
+ """Write 'lines' sequence to file
+ """
+ f = file(filename, 'w+')
+ f.writelines([line + '\n' for line in lines])
+ f.close()
+
def write_string(filename, line, multiline = False):
"""Writes 'line' to file and truncates it
"""
assert string.endswith(suffix)
return string[:-len(suffix)]
-def remove_dirs(basedir, dirs):
- """Starting at join(basedir, dirs), remove the directory if empty,
- and try the same with its parent, until we find a nonempty
- directory or reach basedir."""
- path = dirs
- while path:
- try:
- os.rmdir(os.path.join(basedir, path))
- except OSError:
- return # can't remove nonempty directory
- path = os.path.dirname(path)
-
def remove_file_and_dirs(basedir, file):
"""Remove join(basedir, file), and then remove the directory it
was in if empty, and try the same with its parent, until we find a
nonempty directory or reach basedir."""
os.remove(os.path.join(basedir, file))
- remove_dirs(basedir, os.path.dirname(file))
+ try:
+ os.removedirs(os.path.join(basedir, os.path.dirname(file)))
+ except OSError:
+ # file's parent dir may not be empty after removal
+ pass
def create_dirs(directory):
"""Create the given directory, if the path doesn't already exist."""
full_file2 = os.path.join(basedir, file2)
create_dirs(os.path.dirname(full_file2))
os.rename(os.path.join(basedir, file1), full_file2)
- remove_dirs(basedir, os.path.dirname(file1))
+ try:
+ os.removedirs(os.path.join(basedir, os.path.dirname(file1)))
+ except OSError:
+ # file1's parent dir may not be empty after move
+ pass
+
+class EditorException(StgException):
+ pass
+
+def get_editor():
+ for editor in [os.environ.get('GIT_EDITOR'),
+ config.get('stgit.editor'), # legacy
+ config.get('core.editor'),
+ os.environ.get('VISUAL'),
+ os.environ.get('EDITOR'),
+ 'vi']:
+ if editor:
+ return editor
+
+def call_editor(filename):
+ """Run the editor on the specified filename."""
+ cmd = '%s %s' % (get_editor(), filename)
+ out.start('Invoking the editor: "%s"' % cmd)
+ err = os.system(cmd)
+ if err:
+ raise EditorException, 'editor failed, exit code: %d' % err
+ out.done()
+
+def edit_string(s, filename):
+ f = file(filename, 'w')
+ f.write(s)
+ f.close()
+ call_editor(filename)
+ f = file(filename)
+ s = f.read()
+ f.close()
+ os.remove(filename)
+ return s
+
+def append_comment(s, comment, separator = '---'):
+ return ('%s\n\n%s\nEverything following the line with "%s" will be'
+ ' ignored\n\n%s' % (s, separator, separator, comment))
+
+def strip_comment(s, separator = '---'):
+ try:
+ return s[:s.index('\n%s\n' % separator)]
+ except ValueError:
+ return s
+
+def find_patch_name(patchname, unacceptable):
+ """Find a patch name which is acceptable."""
+ if unacceptable(patchname):
+ suffix = 0
+ while unacceptable('%s-%d' % (patchname, suffix)):
+ suffix += 1
+ patchname = '%s-%d' % (patchname, suffix)
+ return patchname
+
+def patch_name_from_msg(msg):
+ """Return a string to be used as a patch name. This is generated
+ from the top line of the string passed as argument."""
+ if not msg:
+ return None
+
+ name_len = config.getint('stgit.namelength')
+ if not name_len:
+ name_len = 30
+
+ subject_line = msg.split('\n', 1)[0].lstrip().lower()
+ return re.sub('[\W]+', '-', subject_line).strip('-')[:name_len]
+
+def make_patch_name(msg, unacceptable, default_name = 'patch'):
+ """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
+ return find_patch_name(patchname, unacceptable)
+
+# any and all functions are builtin in Python 2.5 and higher, but not
+# in 2.4.
+if not 'any' in dir(__builtins__):
+ def any(bools):
+ for b in bools:
+ if b:
+ return True
+ return False
+if not 'all' in dir(__builtins__):
+ def all(bools):
+ for b in bools:
+ if not b:
+ return False
+ return True
+
+def add_sign_line(desc, sign_str, name, email):
+ if not sign_str:
+ return desc
+ sign_str = '%s: %s <%s>' % (sign_str, name, email)
+ if sign_str in desc:
+ return desc
+ desc = desc.rstrip()
+ if not any(s in desc for s in ['\nSigned-off-by:', '\nAcked-by:']):
+ desc = desc + '\n'
+ return '%s\n%s\n' % (desc, sign_str)
+
+def parse_name_email(address):
+ """Return a tuple consisting of the name and email parsed from a
+ standard 'name <email>' or 'email (name)' string."""
+ address = re.sub(r'[\\"]', r'\\\g<0>', address)
+ str_list = re.findall(r'^(.*)\s*<(.*)>\s*$', address)
+ if not str_list:
+ str_list = re.findall(r'^(.*)\s*\((.*)\)\s*$', address)
+ if not str_list:
+ return None
+ return (str_list[0][1], str_list[0][0])
+ return str_list[0]
+
+def parse_name_email_date(address):
+ """Return a tuple consisting of the name, email and date parsed
+ from a 'name <email> date' string."""
+ address = re.sub(r'[\\"]', r'\\\g<0>', address)
+ str_list = re.findall('^(.*)\s*<(.*)>\s*(.*)\s*$', address)
+ if not str_list:
+ return None
+ return str_list[0]
+
+# Exit codes.
+STGIT_SUCCESS = 0 # everything's OK
+STGIT_GENERAL_ERROR = 1 # seems to be non-command-specific error
+STGIT_COMMAND_ERROR = 2 # seems to be a command that failed
+STGIT_CONFLICT = 3 # merge conflict, otherwise OK
+STGIT_BUG_ERROR = 4 # a bug in StGit
+
+def add_dict(d1, d2):
+ """Return a new dict with the contents of both d1 and d2. In case of
+ conflicting mappings, d2 takes precedence."""
+ d = dict(d1)
+ d.update(d2)
+ return d
~mdw / stgit / blobdiff