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#!/usr/bin/python
import re, os
class Error(Exception): pass
STATUSES = """DRAFT NEEDS-REVISION NEEDS-RESEARCH OPEN ACCEPTED META FINISHED
CLOSED SUPERSEDED DEAD REJECTED""".split()
REQUIRED_FIELDS = [ "Filename", "Status", "Title" ]
CONDITIONAL_FIELDS = { "OPEN" : [ "Target" ],
"ACCEPTED" : [ "Target "],
"CLOSED" : [ "Implemented-In" ],
"FINISHED" : [ "Implemented-In" ] }
FNAME_RE = re.compile(r'^(\d\d\d)-.*[^\~]$')
DIR = "."
OUTFILE = "000-index.txt"
TMPFILE = OUTFILE+".tmp"
def indexed(seq):
n = 0
for i in seq:
yield n, i
n += 1
def readProposal(fn):
fields = { }
f = open(fn, 'r')
lastField = None
try:
for lineno, line in indexed(f):
line = line.rstrip()
if not line:
return fields
if line[0].isspace():
fields[lastField] += " %s"%(line.strip())
else:
parts = line.split(":", 1)
if len(parts) != 2:
raise Error("%s:%s: Neither field nor continuation"%
(fn,lineno))
else:
fields[parts[0]] = parts[1].strip()
lastField = parts[0]
return fields
finally:
f.close()
def checkProposal(fn, fields):
status = fields.get("Status")
need_fields = REQUIRED_FIELDS + CONDITIONAL_FIELDS.get(status, [])
for f in need_fields:
if not fields.has_key(f):
raise Error("%s has no %s field"%(fn, f))
if fn != fields['Filename']:
print `fn`, `fields['Filename']`
raise Error("Mismatched Filename field in %s"%fn)
if fields['Title'][-1] == '.':
fields['Title'] = fields['Title'][:-1]
status = fields['Status'] = status.upper()
if status not in STATUSES:
raise Error("I've never heard of status %s in %s"%(status,fn))
if status in [ "SUPERSEDED", "DEAD" ]:
for f in [ 'Implemented-In', 'Target' ]:
if fields.has_key(f): del fields[f]
def readProposals():
res = []
for fn in os.listdir(DIR):
m = FNAME_RE.match(fn)
if not m: continue
if not fn.endswith(".txt"):
raise Error("%s doesn't end with .txt"%fn)
num = m.group(1)
fields = readProposal(fn)
checkProposal(fn, fields)
fields['num'] = num
res.append(fields)
return res
def writeIndexFile(proposals):
proposals.sort(key=lambda f:f['num'])
seenStatuses = set()
for p in proposals:
seenStatuses.add(p['Status'])
out = open(TMPFILE, 'w')
inf = open(OUTFILE, 'r')
for line in inf:
out.write(line)
if line.startswith("====="): break
inf.close()
out.write("Proposals by number:\n\n")
for prop in proposals:
out.write("%(num)s %(Title)s [%(Status)s]\n"%prop)
out.write("\n\nProposals by status:\n\n")
for s in STATUSES:
if s not in seenStatuses: continue
out.write(" %s:\n"%s)
for prop in proposals:
if s == prop['Status']:
out.write(" %(num)s %(Title)s"%prop)
if prop.has_key('Target'):
out.write(" [for %(Target)s]"%prop)
if prop.has_key('Implemented-In'):
out.write(" [in %(Implemented-In)s]"%prop)
out.write("\n")
out.close()
os.rename(TMPFILE, OUTFILE)
try:
os.unlink(TMPFILE)
except OSError:
pass
writeIndexFile(readProposals())
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