def update(self, sorting=None):
''' Updates the Entries stored in the database '''
if self.key.url [0] != 'file':
raise IOError, "can't update the remote database `%s'" % self.key
name = self.key.url[2]
if Config.get('base/directsave').data:
if Config.get('base/backup').data:
copyfile(name, name + '.bak')
namefile = open(name, 'w')
iterator = Selection.Selection(sort=sorting).iterator(self.iterator())
Open.bibwrite(iterator, out=namefile, how=self.id, database=self)
namefile.close ()
else:
# create a temporary file for the new version
tmp = os.path.join(os.path.dirname(name),
'.#' + os.path.basename(name))
tmpfile = open(tmp, 'w')
iterator = Selection.Selection(sort=sorting).iterator(self.iterator())
Open.bibwrite(iterator, out=tmpfile, how=self.id, database=self)
tmpfile.close()
# if we succeeded, and backup is set, backup file
if Config.get('base/backup').data:
os.rename(name, name + '.bak')
# ...and bring new version online
os.rename(tmp, name)
return
def open_document (self, url, how = None, no_name = False):
Utils.set_cursor (self.w, 'clock')
orig_url = Fields.URL (url)
url = orig_url.get_url ()
restore = False
if orig_url.url [0] == 'file':
name = orig_url.url [2]
auto_save = os.path.join (os.path.dirname (name),
'x-pyblio-save-' + os.path.basename (name))
if os.path.exists (auto_save):
mod_date = os.stat (name) [stat.ST_MTIME]
mod_date_auto = os.stat (auto_save) [stat.ST_MTIME]
if mod_date < mod_date_auto:
restore = Utils.Callback (_("An autosave file was found which is newer than the original file.\nDo you want to restore it?"), self.w).answer ()
if restore: url = auto_save
try:
data = Open.bibopen (url, how = how)
except (Exceptions.ParserError,
Exceptions.FormatError,
Exceptions.FileError), error:
Utils.set_cursor (self.w, 'normal')
Utils.error_dialog (_("Open error"), error,
parent = self.w)
return
def __parsefile__(self):
self.dict = {}
# Ouvrir le fichier associe
self.parser = _bibtex.open_file(Open.url_to_local(self.key),
Config.get ('bibtex/strict').data)
# Incorporer les definitions de l'utilisateur
if not Config.get('bibtex+/override').data:
user = Config.get('bibtex/macros').data
valid = re.compile('^\w+$')
for k in user.keys():
if not valid.match(k):
raise TypeError, _("key `%s' is malformed") % k
_bibtex.set_string(self.parser, k,
_bibtex.reverse(_base_fieldtype[Text],
Config.get('bibtex+/braces').data,
user [k][0]))
finished = 0
errors = []
# Creer la base de cles
iter = BibtexIterator(self, self.parser)
try:
entry = iter.first()
if entry is not None:
if entry.key is None:
self.add(entry)
else:
if self.dict.has_key(entry.key):
errors.append(_("%s:%d: key `%s' already defined") % (
str(self.key), entry.line, entry.key.key))
else:
self.dict [entry.key] = entry
except Exceptions.ParserError, err:
errors.append (str (err))
def iterator (url, check):
''' This methods returns an iterator that will parse the
database on the fly (useful for merging or to parse broken
databases '''
if check and url.url [2] [-4:] != '.isi': return
return IsifileIterator (open (Open.url_to_local (url), 'r'))
def find_entries (auxfile, bibtex):
""" Parse an auxiliary file and extract the entries from the given BibTeX databases """
entries, data, style = list_entries (auxfile)
if not bibtex:
bibtex = data
# we have to create a Reference database to hold the entries contained in the
# current database.
r = Base.DataBase (None)
keys = copy.copy (entries)
# is there something to do ?
if len (entries) == 0: return r, style, entries
# use the bibliographic databases in order of declaration
# to solve the references
for bib in bibtex:
(root, ext) = os.path.splitext (bib)
if not ext: ext = '.bib'
# open the database
db = Open.bibopen (root + ext)
# as we are modifying the list of entries in this loop, we make a copy
# of it in order to avoir strange behaviors
orig = copy.copy (entries)
# loop over the expected entries
for e in orig:
# create a key in the current database
key = Key.Key (db, e)
# does the database provide the key ?
if db.has_key (key):
# yes, add it to the reference
r [Key.Key (None, e)] = db [key]
# and remove it from the list
entries.remove (e)
# is it finished ?
if len (entries) == 0: break
# return the reference on all the entries, plus the missing ones
keys = filter (lambda x, entries = entries: not entries.count (x), keys)
keys = map (lambda x, r = r: Key.Key (r, x), keys)
return r, keys, style, entries
def iterator (url, check):
''' This methods returns an iterator that will parse the
database on the fly (useful for merging or to parse broken
databases '''
if check and url.url [2] [-5:] != '.ovid': return
file = open (Open.url_to_local (url))
return OvidLike.OvidLike (
file,
Config.get ('ovid/mapping').data,
Config.get ('ovid/deftype').data
)
def autosave (self, url, how):
''' autosave file as x-pyblio-save-filename '''
if self.data.key.url [0] != 'file': return False
name = self.data.key.url [2]
# create an autosave file
save = os.path.join (os.path.dirname (name),
'x-pyblio-save-' + os.path.basename (name))
if self.changed:
try:
savefile = open (save, 'w')
except (IOError, OSError), error:
self.w.error (_("Error during autosaving:\n%s") % error [1])
return False
iterator = Selection.Selection (sort = self.selection.sort)
Open.bibwrite (iterator.iterator (self.data.iterator ()),
out = savefile, how = how, database=self.data)
savefile.close ()
def iterator (url, check):
''' This methods returns an iterator that will parse the
database on the fly (useful for merging or to parse broken
databases '''
if check and url.url [2] [-4:] != '.bib': return None
# Ouvrir le fichier associe
parser = _bibtex.open_file (Open.url_to_local (url),
Config.get ('bibtex/strict').data)
# create a database to generate correct keys
db = Base.DataBase (url)
return BibtexIterator (db, parser)
def merge_database (self, * arg):
''' add all the entries of another database to the current one '''
# get a new file name
(url, how) = FileSelector.URLFileSelection (_("Merge file"),
has_auto = True).run ()
if url is None: return
try:
iterator = Open.bibiter (url, how = how)
except (Exceptions.ParserError,
Exceptions.FormatError,
Exceptions.FileError), error:
Utils.error_dialog (_("Open error"), error,
parent = self.w)
return
def __init__ (self, url):
# each hash value contains a 2-uplet (opener, closer)
self.format = None
self.top = []
self.data = []
self.config = []
self.methods = {}
fh = open (Open.url_to_local (url))
parser = sax.make_parser ()
parser.setFeature (sax.handler.feature_validation, False)
parser.setContentHandler (self)
parser.parse (fh)
fh.close ()
return
if os.path.exists (url):
if not Utils.Callback (
_("The file `%s' already exists.\nOverwrite it ?")
% url, parent = self.w).answer ():
return
try:
file = open (url, 'w')
except IOError, error:
self.w.error (_("During opening:\n%s") % error [1])
return
Utils.set_cursor (self.w, 'clock')
iterator = Selection.Selection (sort = self.selection.sort)
Open.bibwrite (iterator.iterator (self.data.iterator ()),
out = file, how = how, database=self.data)
file.close ()
# remove the old autosave object
if self.data.key is not None and self.source_id:
gobject.source_remove (self.source_id)
# remove old autosave file
if self.data.key:
if self.data.key.url [0] == 'file':
old_file = self.data.key.url [2]
old_auto_save = os.path.join (os.path.dirname (old_file),
'x-pyblio-save-' + os.path.basename (old_file))
if os.path.exists (old_auto_save):
try:
import locale
charset = locale.getlocale () [1] or 'ascii'
if len (sys.argv) < 4 or len (sys.argv) > 5:
print _("usage: pybconvert <source>..<target> <input> [output]").encode (charset)
sys.exit (1)
format = sys.argv [2]
try:
source, target = string.split (format, '..')
except:
print _("pybconvert: error: bad conversion format").encode (charset)
sys.exit (1)
from Legacy import Open
f_in = sys.argv [3]
if len (sys.argv) == 4:
f_out = sys.stdout
else:
f_out = open (sys.argv [4], 'w')
database = Open.bibopen (f_in, source)
Open.bibwrite (database.iterator (), how = target, out = f_out)
def iterator (url, check):
if check and url.url [2] [-6:] != '.refer': return
file = open (Open.url_to_local (url))
return ReferIterator (file)
