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# egg-authors.py
#
# Just drop this file in your ~/.hg directory and add
# the following lines to your .hgrc:
#
# [extensions]
# egg-author=~/.hg/egg-author.py
#
# If you don't want automatic updates of your .meta-files, you can turn
# it off by putting this in ~/.hg or in the repository-specific .hg/hgrc file:
#
# [egg-author]
# update-meta=False
#
# This silly file may be used and distributed according to the terms of
# the GNU General Public License, version 2 or later "(at your option)".
#
# See http://mercurial.selenic.com/wiki/License for more info, including
# a link to the license text.
'''Tools to help make egg authors' lives easier'''
import fnmatch, re
from mercurial.i18n import _
from mercurial import cmdutil, commands, util
import mercurial.match as matchmod
# This is probably really really dumb code. I don't know python
def _find_egg_info_file(repo, type):
stat = repo.status(clean=True)
for x in stat[:5]:
for fn in x:
if fnmatch.fnmatch(fn, '*.%s' % type):
raise util.Abort(_('%s is modified (please commit or revert '
'and retry)') % fn)
egg_info_file = None
for x in stat[6:]:
for fn in x:
if fnmatch.fnmatch(fn, "*.%s" % type):
if egg_info_file:
raise util.Abort(_('Found more than one %s file!' % type))
else:
egg_info_file = fn
if not egg_info_file:
if type == 'release-info':
help_uri = 'http://wiki.call-cc.org/releasing-your-egg'
elif type == 'meta':
help_uri = 'http://wiki.call-cc.org/Metafile%20reference'
else:
raise util.Abort(_('No help URI for egg file type %s') % type)
raise util.Abort(_('Could not find %s file. You need to '
'create one first. See %s for more info.') % help_uri)
return egg_info_file
def _to_scheme_string(s):
# This is a pathetic attempt at being safe. You shouldn't be using
# these names anywway, and the user should be already be trusted when
# they're allowed to commit.
return '"' + re.sub(r'\\', r'\\\\', re.sub(r'"', r'\\"', s)) + '"'
def eggtag(ui, repo, name1, *names, **opts):
'''Tag a Chicken egg for release.
The syntax is identical to "hg tag", which it executes
automatically. This command just adds a (release ..) entry to
your .release-info file for each tag.
'''
allnames = [t.strip() for t in (name1,) + names]
release_info_file = _find_egg_info_file(repo, 'release-info')
# Duplicate check in tag() to prevent meta-file from getting updated
# while tagging might fail afterwards
for n in allnames:
if n in repo.tags():
raise util.Abort('Release %s already exists!' % n)
if ui.configbool('egg-author', 'update-meta', default=True):
meta_message = 'Updated meta-file for release %s' % (', '.join(allnames))
meta_file = _find_egg_info_file(repo, 'meta')
update_meta(ui, repo)
m = matchmod.exact(repo.root, '', [meta_file])
repo.commit(text=meta_message, user=opts.get('user'), date=opts.get('date'), match=m)
fp = repo.wfile(release_info_file, 'r+')
commands.tag(ui, repo, name1, *names, **opts)
ui.status(_('Tagged %s\n') % (', '.join(allnames)))
# if hg's original tag command succeeded, we can do our stuff
relinfo_message = 'Updated release-info file for release tag %s' % (', '.join(allnames))
fp.seek(0, 2) # to the end
for n in allnames:
fp.write("(release %s)\n" % _to_scheme_string(n))
fp.close()
m = matchmod.exact(repo.root, '', [release_info_file])
repo.commit(text=relinfo_message, user=opts.get('user'), date=opts.get('date'), match=m)
ui.status(_('Updated and committed release-info %s\n') % (', '.join(allnames)))
def read_byte(f,res):
byte = f.read(1)
if (len(byte) == 0):
return None
else:
res.extend(byte[0])
return byte[0]
class FoundFiles(Exception):
def __init__(self, val):
self.res = val
# A *really* hacky s-expression reader
def _read_over_files(f, res, end = None):
byte = read_byte(f,res)
first_identifier = True
while byte != None and byte != end:
if byte == '"':
byte = read_byte(f,res)
while byte != None and byte != '"':
if byte == '\\': # Escaped, so just read it without interpretation
read_byte(f,res)
byte = read_byte(f,res)
byte = read_byte(f,res)
elif byte.isspace():
byte = read_byte(f,res)
elif byte == ';':
byte = read_byte(f,res)
while byte != None and byte != '\n':
byte = read_byte(f,res)
elif byte == '(':
_read_over_files(f, res, ')')
byte = read_byte(f,res)
else: # Assume identifier
identifier = []
while byte != None and not byte.isspace() and byte != '(' and byte != ')' and byte != ';' and byte != '"':
identifier.extend(byte)
byte = read_byte(f,res)
if first_identifier and ''.join(identifier) == 'files':
# Skip until end of list
_read_over_files(f, [], ')')
raise FoundFiles(res)
first_identifier = False
return res
def update_meta(ui, repo):
'''Update the FILES entry in an egg's meta-file.
Only version-controlled files are added.'''
meta_file = _find_egg_info_file(repo, 'meta')
files = repo.status(clean=True)[6:][0]
if '.hgtags' in files:
files.remove('.hgtags')
if '.hgignore' in files:
files.remove('.hgignore')
# A list without the parens around it
files_list = ' '.join(map(_to_scheme_string, files))
mf = repo.wfile(meta_file, 'rb')
try:
s = ''.join(_read_over_files(mf, []))
s = s.rstrip() # Assuming no trailing comments...
s = s[:len(s)-1] + '\n (files ' + files_list + '))\n'
except FoundFiles, value:
s = ''.join(value.res) + files_list + ')'
s += mf.read() # the rest of the file
mf.close
# reopen and write out the new string
mf = repo.wfile(meta_file, 'w')
mf.write(s)
mf.close()
# Let the user know the file has been updated (or not, if unchanged)
if len(repo.status(match=matchmod.exact('.', '.', [meta_file]))[0]) == 0:
ui.status(_('Meta-file %s was already up-to-date\n') % meta_file)
else:
ui.status(_('Meta-file %s is updated\n') % meta_file)
cmdtable = {
"eggtag": (eggtag,
[('r', 'rev', '',
_('revision to tag'), _('REV')),
('', 'remove', None, _('remove a tag')),
('e', 'edit', None, _('edit commit message')),
('m', 'message', '',
_('use <text> as commit message'), _('TEXT')),
],
"hg eggtag [-m TEXT] [-d DATE] [-u USER] [-r REV] NAME..."),
"update-meta": (update_meta,
[],
"hg update-meta")
}
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