def string_key(entry, fmt, table):
""" Generates an alphabetical key for an entry. fmt is the
output coding """
rc = recode.recode("latin1.." + fmt)
if entry.has_key("author"):
aut = entry["author"]
elif entry.has_key("editor"):
aut = entry["editor"]
else:
aut = ()
if len(aut) > 0:
if len(aut) > 1:
key = ""
for a in aut:
honorific, first, last, lineage = a.format(fmt)
key = key + string.join(map(lambda x: x[0], string.split(last, " ")), "")
if len(key) >= 3:
if len(aut) > 3:
key = key + "+"
break
else:
honorific, first, last, lineage = aut[0].format(fmt)
parts = string.split(last, " ")
if len(parts) == 1:
key = parts[0][0:3]
else:
key = string.join(map(lambda x: x[0], parts), "")
else:
key = rc(entry.key.key[0:3])
if entry.has_key("date"):
year = entry["date"].format(fmt)[0]
if year:
key = key + year[2:]
if table.has_key(key) or table.has_key(key + "a"):
if table.has_key(key):
# rename the old entry
new = key + "a"
table[new] = table[key]
del table[key]
base = key
suff = ord("b")
key = base + chr(suff)
while table.has_key(key):
suff = suff + 1
key = base + chr(suff)
return key
def authoryear_key(entry, fmt, table, oldnew):
""" Generates an author-year type key for an entry. fmt is the
output coding """
rc = recode.recode("latin1.." + fmt)
if entry.has_key("author"):
aut = entry["author"]
elif entry.has_key("editor"):
aut = entry["editor"]
else:
aut = ()
key = ""
if len(aut) > 0:
if len(aut) > 1:
if len(aut) == 2:
for a in aut:
honorific, first, last, lineage = a.format(fmt)
parts = string.split(last, " ")
if key:
key = key + " and "
key = key + parts[0]
else:
a = aut[0]
honorific, first, last, lineage = a.format(fmt)
parts = string.split(last, " ")
key = parts[0] + " et al."
else:
honorific, first, last, lineage = aut[0].format(fmt)
parts = string.split(last, " ")
key = parts[0]
else:
key = rc(entry.key.key)
if entry.has_key("date"):
year = entry["date"].format(fmt)[0]
if year:
key = key + ", " + year
if table.has_key(key) or table.has_key(key + "a"):
if table.has_key(key):
# rename the old entry
new = key + "a"
oldnew[table[key].key] = new
table[new] = table[key]
del table[key]
base = key
suff = ord("b")
key = base + chr(suff)
while table.has_key(key):
suff = suff + 1
key = base + chr(suff)
return key
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
import re
from string import *
from Legacy import Key, Autoload, recode
_flat = recode.recode ('latin1..flat')
def compress_page_range (pages, separator='-'):
"""Returns a page range with common prefix
elided from the second number. Resulte is string
firstpage(separator)(lastpage), except if separator
is None, then a sequence is returned."""
p = re.sub (' *--? *', '-', pages)
s = p.split('-')
if len(s) > 1:
l, r = s
if len(l) == len(r):
i = 0
while r [i] == l[i]:
i += 1
