556 lines
17 KiB
Python
Executable File
556 lines
17 KiB
Python
Executable File
#!/usr/bin/env python
|
||
"""
|
||
Convert PEPs to (X)HTML fragments for Pyramid - courtesy of /F
|
||
|
||
Usage: %(PROGRAM)s [options] [<peps> ...]
|
||
|
||
Options:
|
||
|
||
-d <DIR>, --destdir <DIR>
|
||
Specify the base destination directory for Pyramid files.
|
||
Default: %(SERVER_DEST_DIR_BASE)s
|
||
|
||
-f, --force
|
||
Force the rebuilding of output files, regardless of modification times.
|
||
|
||
-k, --keep-going
|
||
Continue building past errors if possible.
|
||
|
||
-q, --quiet
|
||
Turn off verbose messages.
|
||
|
||
-h, --help
|
||
Print this help message and exit.
|
||
|
||
The optional arguments ``peps`` are either pep numbers or .txt files.
|
||
"""
|
||
|
||
import sys
|
||
import os
|
||
import codecs
|
||
import re
|
||
import cgi
|
||
import glob
|
||
import getopt
|
||
import errno
|
||
import random
|
||
import time
|
||
import shutil
|
||
|
||
REQUIRES = {'python': '2.2',
|
||
'docutils': '0.5'}
|
||
PROGRAM = sys.argv[0]
|
||
SERVER_DEST_DIR_BASE = (
|
||
'/data/ftp.python.org/pub/beta.python.org/build/data/dev/peps')
|
||
RFCURL = 'http://www.faqs.org/rfcs/rfc%d.html'
|
||
PEPCVSURL = 'http://hg.python.org/peps/file/tip/pep-%04d.txt'
|
||
PEPDIRURL = '/dev/peps/'
|
||
PEPURL = PEPDIRURL + 'pep-%04d'
|
||
PEPANCHOR = '<a href="' + PEPURL + '">%i</a>'
|
||
|
||
|
||
LOCALVARS = "Local Variables:"
|
||
|
||
COMMENT = """<!--
|
||
This HTML is auto-generated. DO NOT EDIT THIS FILE! If you are writing a new
|
||
PEP, see http://www.python.org/dev/peps/pep-0001 for instructions and links
|
||
to templates. DO NOT USE THIS HTML FILE AS YOUR TEMPLATE!
|
||
-->"""
|
||
|
||
# The generated HTML doesn't validate -- you cannot use <hr> and <h3> inside
|
||
# <pre> tags. But if I change that, the result doesn't look very nice...
|
||
|
||
fixpat = re.compile("((https?|ftp):[-_a-zA-Z0-9/.+~:?#$=&,]+)|(pep-\d+(.txt)?)|"
|
||
"(RFC[- ]?(?P<rfcnum>\d+))|"
|
||
"(PEP\s+(?P<pepnum>\d+))|"
|
||
".")
|
||
|
||
CONTENT_HTML = """\
|
||
<n:invisible n:data="content" n:render="mapping">
|
||
<div id="breadcrumb" n:data="breadcrumb" n:render="breadcrumb" />
|
||
<n:slot name="text"></n:slot>
|
||
</n:invisible>
|
||
"""
|
||
|
||
CONTENT_YML = """\
|
||
--- !fragment
|
||
# Type of template to use
|
||
template: content.html
|
||
|
||
# The data to pass to the template
|
||
local:
|
||
content:
|
||
breadcrumb: !breadcrumb nav.yml nav
|
||
text: !htmlfile body.html
|
||
"""
|
||
|
||
INDEX_YML = """\
|
||
--- !fragment
|
||
template: index.html
|
||
# The data to pass to the template
|
||
local:
|
||
title: "%s"
|
||
content: !fragment content.yml
|
||
"""
|
||
|
||
EMPTYSTRING = ''
|
||
SPACE = ' '
|
||
COMMASPACE = ', '
|
||
|
||
|
||
class Settings:
|
||
|
||
# defaults:
|
||
verbose = True
|
||
keep_going = False
|
||
force_rebuild = False
|
||
dest_dir_base = SERVER_DEST_DIR_BASE
|
||
|
||
settings = Settings()
|
||
|
||
|
||
|
||
def usage(code, msg=''):
|
||
"""Print usage message and exit. Uses stderr if code != 0."""
|
||
if code == 0:
|
||
out = sys.stdout
|
||
else:
|
||
out = sys.stderr
|
||
print >> out, __doc__ % globals()
|
||
if msg:
|
||
print >> out, msg
|
||
sys.exit(code)
|
||
|
||
|
||
|
||
def fixanchor(current, match):
|
||
text = match.group(0)
|
||
link = None
|
||
if (text.startswith('http:') or text.startswith('https:')
|
||
or text.startswith('ftp:')):
|
||
# Strip off trailing punctuation. Pattern taken from faqwiz.
|
||
ltext = list(text)
|
||
while ltext:
|
||
c = ltext.pop()
|
||
if c not in '();:,.?\'"<>':
|
||
ltext.append(c)
|
||
break
|
||
link = EMPTYSTRING.join(ltext)
|
||
elif text.endswith('.txt') and text <> current:
|
||
link = PEPDIRURL + os.path.splitext(text)[0] + '/' + text
|
||
elif text.startswith('pep-') and text <> current:
|
||
link = os.path.splitext(text)[0] + ".html"
|
||
elif text.startswith('PEP'):
|
||
pepnum = int(match.group('pepnum'))
|
||
link = PEPURL % pepnum
|
||
elif text.startswith('RFC'):
|
||
rfcnum = int(match.group('rfcnum'))
|
||
link = RFCURL % rfcnum
|
||
if link:
|
||
return '<a href="%s">%s</a>' % (cgi.escape(link), cgi.escape(text))
|
||
return cgi.escape(match.group(0)) # really slow, but it works...
|
||
|
||
|
||
|
||
NON_MASKED_EMAILS = [
|
||
'peps@python.org',
|
||
'python-list@python.org',
|
||
'python-dev@python.org',
|
||
]
|
||
|
||
def fixemail(address, pepno):
|
||
if address.lower() in NON_MASKED_EMAILS:
|
||
# return hyperlinked version of email address
|
||
return linkemail(address, pepno)
|
||
else:
|
||
# return masked version of email address
|
||
parts = address.split('@', 1)
|
||
return '%s at %s' % (parts[0], parts[1])
|
||
|
||
|
||
def linkemail(address, pepno):
|
||
parts = address.split('@', 1)
|
||
return ('<a href="mailto:%s@%s?subject=PEP%%20%s">'
|
||
'%s at %s</a>'
|
||
% (parts[0], parts[1], pepno, parts[0], parts[1]))
|
||
|
||
|
||
def fixfile(inpath, input_lines, outfile):
|
||
from email.Utils import parseaddr
|
||
basename = os.path.basename(inpath)
|
||
infile = iter(input_lines)
|
||
# head
|
||
header = []
|
||
pep = ""
|
||
title = ""
|
||
for line in infile:
|
||
if not line.strip():
|
||
break
|
||
if line[0].strip():
|
||
if ":" not in line:
|
||
break
|
||
key, value = line.split(":", 1)
|
||
value = value.strip()
|
||
header.append((key, value))
|
||
else:
|
||
# continuation line
|
||
key, value = header[-1]
|
||
value = value + line
|
||
header[-1] = key, value
|
||
if key.lower() == "title":
|
||
title = value
|
||
elif key.lower() == "pep":
|
||
pep = value
|
||
|
||
if pep:
|
||
title = "PEP " + pep + " -- " + title
|
||
r = random.choice(range(64))
|
||
print >> outfile, COMMENT
|
||
print >> outfile, '<div class="header">\n<table border="0" class="rfc2822">'
|
||
for k, v in header:
|
||
if k.lower() in ('author', 'bdfl-delegate', 'discussions-to'):
|
||
mailtos = []
|
||
for part in re.split(',\s*', v):
|
||
if '@' in part:
|
||
realname, addr = parseaddr(part)
|
||
if k.lower() == 'discussions-to':
|
||
m = linkemail(addr, pep)
|
||
else:
|
||
m = fixemail(addr, pep)
|
||
mailtos.append('%s <%s>' % (realname, m))
|
||
elif part.startswith('http:'):
|
||
mailtos.append(
|
||
'<a href="%s">%s</a>' % (part, part))
|
||
else:
|
||
mailtos.append(part)
|
||
v = COMMASPACE.join(mailtos)
|
||
elif k.lower() in ('replaces', 'replaced-by', 'requires'):
|
||
otherpeps = ''
|
||
for otherpep in re.split(',?\s+', v):
|
||
otherpep = int(otherpep)
|
||
otherpeps += PEPANCHOR % (otherpep, otherpep)
|
||
v = otherpeps
|
||
elif k.lower() in ('last-modified',):
|
||
date = v or time.strftime('%Y-%m-%d',
|
||
time.localtime(os.stat(inpath)[8]))
|
||
if date.startswith('$' 'Date: ') and date.endswith(' $'):
|
||
date = date[6:-2]
|
||
if basename == 'pep-0000.txt':
|
||
v = date
|
||
else:
|
||
try:
|
||
url = PEPCVSURL % int(pep)
|
||
v = '<a href="%s">%s</a> ' % (url, cgi.escape(date))
|
||
except ValueError, error:
|
||
v = date
|
||
elif k.lower() == 'content-type':
|
||
url = PEPURL % 9
|
||
pep_type = v or 'text/plain'
|
||
v = '<a href="%s">%s</a> ' % (url, cgi.escape(pep_type))
|
||
elif k.lower() == 'version':
|
||
if v.startswith('$' 'Revision: ') and v.endswith(' $'):
|
||
v = cgi.escape(v[11:-2])
|
||
else:
|
||
v = cgi.escape(v)
|
||
print >> outfile, (' <tr><th class="field-name">%s: </th>'
|
||
'<td>%s</td></tr>' % (cgi.escape(k), v))
|
||
print >> outfile, '</table>'
|
||
print >> outfile, '</div>'
|
||
need_pre = 1
|
||
for line in infile:
|
||
if line[0] == '\f':
|
||
continue
|
||
if line.strip() == LOCALVARS:
|
||
break
|
||
if line[0].strip():
|
||
if not need_pre:
|
||
print >> outfile, '</pre>'
|
||
print >> outfile, '<h3>%s</h3>' % line.strip()
|
||
need_pre = 1
|
||
elif not line.strip() and need_pre:
|
||
continue
|
||
else:
|
||
# PEP 0 has some special treatment
|
||
if basename == 'pep-0000.txt':
|
||
parts = line.split()
|
||
if len(parts) > 1 and re.match(r'\s*\d{1,4}', parts[1]):
|
||
# This is a PEP summary line, which we need to hyperlink
|
||
url = PEPURL % int(parts[1])
|
||
if need_pre:
|
||
print >> outfile, '<pre>'
|
||
need_pre = 0
|
||
print >> outfile, re.sub(
|
||
parts[1],
|
||
'<a href="/dev/peps/pep-%04d/">%s</a>' % (int(parts[1]),
|
||
parts[1]), line, 1),
|
||
continue
|
||
elif parts and '@' in parts[-1]:
|
||
# This is a pep email address line, so filter it.
|
||
url = fixemail(parts[-1], pep)
|
||
if need_pre:
|
||
print >> outfile, '<pre>'
|
||
need_pre = 0
|
||
print >> outfile, re.sub(
|
||
parts[-1], url, line, 1),
|
||
continue
|
||
line = fixpat.sub(lambda x, c=inpath: fixanchor(c, x), line)
|
||
if need_pre:
|
||
print >> outfile, '<pre>'
|
||
need_pre = 0
|
||
outfile.write(line)
|
||
if not need_pre:
|
||
print >> outfile, '</pre>'
|
||
return title
|
||
|
||
|
||
docutils_settings = None
|
||
"""Runtime settings object used by Docutils. Can be set by the client
|
||
application when this module is imported."""
|
||
|
||
def fix_rst_pep(inpath, input_lines, outfile):
|
||
from docutils import core
|
||
from docutils.transforms.peps import Headers
|
||
Headers.pep_cvs_url = PEPCVSURL
|
||
parts = core.publish_parts(
|
||
source=''.join(input_lines),
|
||
source_path=inpath,
|
||
destination_path=outfile.name,
|
||
reader_name='pep',
|
||
parser_name='restructuredtext',
|
||
writer_name='pep_html',
|
||
settings=docutils_settings,
|
||
# Allow Docutils traceback if there's an exception:
|
||
settings_overrides={'traceback': 1})
|
||
outfile.write(parts['whole'])
|
||
title = 'PEP %s -- %s' % (parts['pepnum'], parts['title'][0])
|
||
return title
|
||
|
||
|
||
def get_pep_type(input_lines):
|
||
"""
|
||
Return the Content-Type of the input. "text/plain" is the default.
|
||
Return ``None`` if the input is not a PEP.
|
||
"""
|
||
pep_type = None
|
||
for line in input_lines:
|
||
line = line.rstrip().lower()
|
||
if not line:
|
||
# End of the RFC 2822 header (first blank line).
|
||
break
|
||
elif line.startswith('content-type: '):
|
||
pep_type = line.split()[1] or 'text/plain'
|
||
break
|
||
elif line.startswith('pep: '):
|
||
# Default PEP type, used if no explicit content-type specified:
|
||
pep_type = 'text/plain'
|
||
return pep_type
|
||
|
||
|
||
def get_input_lines(inpath):
|
||
try:
|
||
infile = codecs.open(inpath, 'r', 'utf-8')
|
||
except IOError, e:
|
||
if e.errno <> errno.ENOENT: raise
|
||
print >> sys.stderr, 'Error: Skipping missing PEP file:', e.filename
|
||
sys.stderr.flush()
|
||
return None, None
|
||
lines = infile.read().splitlines(1) # handles x-platform line endings
|
||
infile.close()
|
||
return lines
|
||
|
||
|
||
def find_pep(pep_str):
|
||
"""Find the .txt file indicated by a cmd line argument"""
|
||
if os.path.exists(pep_str):
|
||
return pep_str
|
||
num = int(pep_str)
|
||
return "pep-%04d.txt" % num
|
||
|
||
def make_html(inpath):
|
||
input_lines = get_input_lines(inpath)
|
||
pep_type = get_pep_type(input_lines)
|
||
if pep_type is None:
|
||
print >> sys.stderr, 'Error: Input file %s is not a PEP.' % inpath
|
||
sys.stdout.flush()
|
||
return None
|
||
elif not PEP_TYPE_DISPATCH.has_key(pep_type):
|
||
print >> sys.stderr, ('Error: Unknown PEP type for input file %s: %s'
|
||
% (inpath, pep_type))
|
||
sys.stdout.flush()
|
||
return None
|
||
elif PEP_TYPE_DISPATCH[pep_type] == None:
|
||
pep_type_error(inpath, pep_type)
|
||
return None
|
||
destDir, needSvn, pepnum = set_up_pyramid(inpath)
|
||
outpath = os.path.join(destDir, 'body.html')
|
||
if ( not settings.force_rebuild
|
||
and (os.path.exists(outpath)
|
||
and os.stat(inpath).st_mtime <= os.stat(outpath).st_mtime)):
|
||
if settings.verbose:
|
||
print "Skipping %s (outfile up to date)"%(inpath)
|
||
return
|
||
if settings.verbose:
|
||
print inpath, "(%s)" % pep_type, "->", outpath
|
||
sys.stdout.flush()
|
||
outfile = codecs.open(outpath, "w", "utf-8")
|
||
title = PEP_TYPE_DISPATCH[pep_type](inpath, input_lines, outfile)
|
||
outfile.close()
|
||
os.chmod(outfile.name, 0664)
|
||
write_pyramid_index(destDir, title)
|
||
# for PEP 0, copy body to parent directory as well
|
||
if pepnum == '0000':
|
||
shutil.copyfile(outpath, os.path.join(destDir, '..', 'body.html'))
|
||
# apparently we need the index.yml as well to generate <title> right
|
||
shutil.copyfile(os.path.join(destDir, 'index.yml'),
|
||
os.path.join(destDir, '..', 'index.yml'))
|
||
copy_aux_files(inpath, destDir)
|
||
return outpath
|
||
|
||
def set_up_pyramid(inpath):
|
||
m = re.search(r'pep-(\d+)\.', inpath)
|
||
if not m:
|
||
print >>sys.stderr, "Can't find PEP number in file name."
|
||
sys.exit(1)
|
||
pepnum = m.group(1)
|
||
destDir = os.path.join(settings.dest_dir_base, 'pep-%s' % pepnum)
|
||
|
||
needSvn = 0
|
||
if not os.path.exists(destDir):
|
||
needSvn = 1
|
||
os.makedirs(destDir)
|
||
|
||
# write content.html
|
||
foofilename = os.path.join(destDir, 'content.html')
|
||
fp = codecs.open(foofilename, 'w', 'utf-8')
|
||
fp.write(CONTENT_HTML)
|
||
fp.close()
|
||
os.chmod(foofilename, 0664)
|
||
|
||
# write content.yml
|
||
foofilename = os.path.join(destDir, 'content.yml')
|
||
fp = codecs.open(foofilename, 'w', 'utf-8')
|
||
fp.write(CONTENT_YML)
|
||
os.chmod(foofilename, 0664)
|
||
return destDir, needSvn, pepnum
|
||
|
||
def write_pyramid_index(destDir, title):
|
||
filename = os.path.join(destDir, 'index.yml')
|
||
fp = codecs.open(filename, 'w', 'utf-8')
|
||
title = title.replace('\\', '\\\\') # Escape existing backslashes
|
||
fp.write(INDEX_YML % title.replace('"', '\\"'))
|
||
fp.close()
|
||
os.chmod(filename, 0664)
|
||
|
||
def copy_aux_files(pep_path, dest_dir):
|
||
"""
|
||
Copy auxiliary files whose names match 'pep-XXXX-*.*'.
|
||
"""
|
||
dirname, pepname = os.path.split(pep_path)
|
||
base, ext = os.path.splitext(pepname)
|
||
files = glob.glob(os.path.join(dirname, base) + '-*.*')
|
||
for path in files:
|
||
filename = os.path.basename(path)
|
||
dest_path = os.path.join(dest_dir, filename)
|
||
print '%s -> %s' % (path, dest_path)
|
||
shutil.copy(path, dest_path)
|
||
|
||
|
||
|
||
PEP_TYPE_DISPATCH = {'text/plain': fixfile,
|
||
'text/x-rst': fix_rst_pep}
|
||
PEP_TYPE_MESSAGES = {}
|
||
|
||
def check_requirements():
|
||
# Check Python:
|
||
try:
|
||
from email.Utils import parseaddr
|
||
except ImportError:
|
||
PEP_TYPE_DISPATCH['text/plain'] = None
|
||
PEP_TYPE_MESSAGES['text/plain'] = (
|
||
'Python %s or better required for "%%(pep_type)s" PEP '
|
||
'processing; %s present (%%(inpath)s).'
|
||
% (REQUIRES['python'], sys.version.split()[0]))
|
||
# Check Docutils:
|
||
try:
|
||
import docutils
|
||
except ImportError:
|
||
PEP_TYPE_DISPATCH['text/x-rst'] = None
|
||
PEP_TYPE_MESSAGES['text/x-rst'] = (
|
||
'Docutils not present for "%(pep_type)s" PEP file %(inpath)s. '
|
||
'See README.txt for installation.')
|
||
else:
|
||
installed = [int(part) for part in docutils.__version__.split('.')]
|
||
required = [int(part) for part in REQUIRES['docutils'].split('.')]
|
||
if installed < required:
|
||
PEP_TYPE_DISPATCH['text/x-rst'] = None
|
||
PEP_TYPE_MESSAGES['text/x-rst'] = (
|
||
'Docutils must be reinstalled for "%%(pep_type)s" PEP '
|
||
'processing (%%(inpath)s). Version %s or better required; '
|
||
'%s present. See README.txt for installation.'
|
||
% (REQUIRES['docutils'], docutils.__version__))
|
||
|
||
def pep_type_error(inpath, pep_type):
|
||
print >> sys.stderr, 'Error: ' + PEP_TYPE_MESSAGES[pep_type] % locals()
|
||
sys.stdout.flush()
|
||
|
||
|
||
def build_peps(args=None):
|
||
if args:
|
||
filenames = pep_filename_generator(args)
|
||
else:
|
||
# do them all
|
||
filenames = glob.glob("pep-*.txt")
|
||
filenames.sort()
|
||
for filename in filenames:
|
||
try:
|
||
make_html(filename)
|
||
except (KeyboardInterrupt, SystemExit):
|
||
raise
|
||
except:
|
||
print "While building PEPs: %s" % filename
|
||
if settings.keep_going:
|
||
ee, ev, et = sys.exc_info()
|
||
traceback.print_exception(ee, ev, et, file=sys.stdout)
|
||
print "--keep-going/-k specified, continuing"
|
||
continue
|
||
else:
|
||
raise
|
||
|
||
def pep_filename_generator(args):
|
||
for pep in args:
|
||
filename = find_pep(pep)
|
||
yield filename
|
||
|
||
|
||
def main(argv=None):
|
||
check_requirements()
|
||
|
||
if argv is None:
|
||
argv = sys.argv[1:]
|
||
|
||
try:
|
||
opts, args = getopt.getopt(
|
||
argv, 'hd:fkq',
|
||
['help', 'destdir=', 'force', 'keep-going', 'quiet'])
|
||
except getopt.error, msg:
|
||
usage(1, msg)
|
||
|
||
for opt, arg in opts:
|
||
if opt in ('-h', '--help'):
|
||
usage(0)
|
||
elif opt in ('-d', '--destdir'):
|
||
settings.dest_dir_base = arg
|
||
elif opt in ('-f', '--force'):
|
||
settings.force_rebuild = True
|
||
elif opt in ('-k', '--keep-going'):
|
||
settings.force_rebuild = True
|
||
elif opt in ('-q', '--quiet'):
|
||
settings.verbose = False
|
||
|
||
build_peps(args)
|
||
|
||
|
||
|
||
if __name__ == "__main__":
|
||
main()
|