mirror of https://github.com/python/cpython.git
332 lines
8.9 KiB
Python
Executable File
332 lines
8.9 KiB
Python
Executable File
#! /usr/bin/env python
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__version__ = '$Revision$'
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import os
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import re
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import string
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import sys
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class Node:
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__rmjunk = re.compile("<#\d+#>")
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def __init__(self, link, str, seqno):
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self.links = [link]
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self.seqno = seqno
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# remove <#\d+#> left in by moving the data out of LaTeX2HTML
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str = self.__rmjunk.sub('', str)
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# build up the text
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self.text = split_entry_text(str)
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self.key = split_entry_key(str)
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def __cmp__(self, other):
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"""Comparison operator includes sequence number, for use with
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list.sort()."""
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return self.cmp_entry(other) or cmp(self.seqno, other.seqno)
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def cmp_entry(self, other):
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"""Comparison 'operator' that ignores sequence number."""
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c = 0
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for i in range(min(len(self.key), len(other.key))):
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c = (cmp_part(self.key[i], other.key[i])
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or cmp_part(self.text[i], other.text[i]))
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if c:
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break
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return c or cmp(self.key, other.key) or cmp(self.text, other.text)
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def __repr__(self):
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return "<Node for %s (%s)>" % (string.join(self.text, '!'), self.seqno)
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def __str__(self):
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return string.join(self.key, '!')
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def dump(self):
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return "%s\1%s###%s\n" \
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% (string.join(self.links, "\1"),
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string.join(self.text, '!'),
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self.seqno)
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def cmp_part(s1, s2):
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result = cmp(s1, s2)
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if result == 0:
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return 0
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l1 = string.lower(s1)
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l2 = string.lower(s2)
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minlen = min(len(s1), len(s2))
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if len(s1) < len(s2) and l1 == l2[:len(s1)]:
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result = -1
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elif len(s2) < len(s1) and l2 == l1[:len(s2)]:
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result = 1
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else:
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result = cmp(l1, l2) or cmp(s1, s2)
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return result
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def split_entry(str, which):
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stuff = []
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parts = string.split(str, '!')
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parts = map(string.split, parts, ['@'] * len(parts))
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for entry in parts:
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if len(entry) != 1:
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key = entry[which]
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else:
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key = entry[0]
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stuff.append(key)
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return stuff
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_rmtt = re.compile(r"(.*)<tt(?: class=[a-z0-9]+)?>(.*)</tt>(.*)$",
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re.IGNORECASE)
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_rmparens = re.compile(r"\(\)")
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def split_entry_key(str):
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parts = split_entry(str, 1)
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for i in range(len(parts)):
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m = _rmtt.match(parts[i])
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if m:
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parts[i] = string.join(m.group(1, 2, 3), '')
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else:
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parts[i] = string.lower(parts[i])
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# remove '()' from the key:
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parts[i] = _rmparens.sub('', parts[i])
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return map(trim_ignored_letters, parts)
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def split_entry_text(str):
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if '<' in str:
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m = _rmtt.match(str)
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if m:
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str = string.join(m.group(1, 2, 3), '')
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return split_entry(str, 1)
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def load(fp):
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nodes = []
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rx = re.compile("(.*)\1(.*)###(.*)$")
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while 1:
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line = fp.readline()
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if not line:
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break
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m = rx.match(line)
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if m:
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link, str, seqno = m.group(1, 2, 3)
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nodes.append(Node(link, str, seqno))
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return nodes
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def trim_ignored_letters(s):
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# ignore $ to keep environment variables with the
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# leading letter from the name
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s = string.lower(s)
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if s[0] == "$":
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return s[1:]
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else:
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return s
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def get_first_letter(s):
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return string.lower(trim_ignored_letters(s)[0])
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def split_letters(nodes):
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letter_groups = []
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if nodes:
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group = []
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append = group.append
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letter = get_first_letter(nodes[0].text[0])
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letter_groups.append((letter, group))
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for node in nodes:
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nletter = get_first_letter(node.text[0])
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if letter != nletter:
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letter = nletter
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group = []
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letter_groups.append((letter, group))
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append = group.append
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append(node)
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return letter_groups
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# need a function to separate the nodes into columns...
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def split_columns(nodes, columns=1):
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if columns <= 1:
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return [nodes]
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# This is a rough height; we may have to increase to avoid breaks before
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# a subitem.
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colheight = len(nodes) / columns
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numlong = len(nodes) % columns
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if numlong:
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colheight = colheight + 1
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else:
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numlong = columns
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cols = []
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for i in range(numlong):
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start = i * colheight
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end = start + colheight
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cols.append(nodes[start:end])
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del nodes[:end]
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colheight = colheight - 1
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try:
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numshort = len(nodes) / colheight
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except ZeroDivisionError:
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cols = cols + (columns - len(cols)) * [[]]
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else:
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for i in range(numshort):
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start = i * colheight
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end = start + colheight
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cols.append(nodes[start:end])
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return cols
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DL_LEVEL_INDENT = " "
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def format_column(nodes):
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strings = ["<dl compact>"]
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append = strings.append
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level = 0
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previous = []
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for node in nodes:
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current = node.text
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count = 0
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for i in range(min(len(current), len(previous))):
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if previous[i] != current[i]:
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break
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count = i + 1
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if count > level:
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append("<dl compact>" * (count - level) + "\n")
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level = count
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elif level > count:
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append("\n")
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append(level * DL_LEVEL_INDENT)
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append("</dl>" * (level - count))
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level = count
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# else: level == count
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for i in range(count, len(current) - 1):
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term = node.text[i]
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level = level + 1
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append("\n<dt>%s\n<dd>\n%s<dl compact>"
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% (term, level * DL_LEVEL_INDENT))
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append("\n%s<dt>%s%s</a>"
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% (level * DL_LEVEL_INDENT, node.links[0], node.text[-1]))
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for link in node.links[1:]:
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append(",\n%s %s[Link]</a>" % (level * DL_LEVEL_INDENT, link))
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previous = current
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append("\n")
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append("</dl>" * (level + 1))
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return string.join(strings, '')
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def format_nodes(nodes, columns=1):
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strings = []
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append = strings.append
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if columns > 1:
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colnos = range(columns)
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colheight = len(nodes) / columns
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if len(nodes) % columns:
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colheight = colheight + 1
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colwidth = 100 / columns
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append('<table width="100%"><tr valign="top">')
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for col in split_columns(nodes, columns):
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append('<td width="%d%%">\n' % colwidth)
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append(format_column(col))
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append("\n</td>")
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append("\n</tr></table>")
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else:
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append(format_column(nodes))
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append("\n<p>\n")
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return string.join(strings, '')
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def format_letter(letter):
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if letter == '.':
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lettername = ". (dot)"
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elif letter == '_':
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lettername = "_ (underscore)"
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else:
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lettername = string.upper(letter)
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return "\n<hr>\n<h2><a name=\"letter-%s\">%s</a></h2>\n\n" \
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% (letter, lettername)
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def format_html_letters(nodes, columns=1):
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letter_groups = split_letters(nodes)
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items = []
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for letter, nodes in letter_groups:
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s = "<b><a href=\"#letter-%s\">%s</a></b>" % (letter, letter)
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items.append(s)
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s = ["<hr><center>\n%s</center>\n" % string.join(items, " |\n")]
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for letter, nodes in letter_groups:
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s.append(format_letter(letter))
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s.append(format_nodes(nodes, columns))
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return string.join(s, '')
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def format_html(nodes, columns):
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return format_nodes(nodes, columns)
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def collapse(nodes):
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"""Collapse sequences of nodes with matching keys into a single node.
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Destructive."""
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if len(nodes) < 2:
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return
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prev = nodes[0]
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i = 1
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while i < len(nodes):
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node = nodes[i]
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if not node.cmp_entry(prev):
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prev.links.append(node.links[0])
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del nodes[i]
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else:
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i = i + 1
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prev = node
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def dump(nodes, fp):
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for node in nodes:
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fp.write(node.dump())
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def process_nodes(nodes, columns, letters):
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nodes.sort()
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collapse(nodes)
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if letters:
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return format_html_letters(nodes, columns)
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else:
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return format_html(nodes, columns)
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def main():
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import getopt
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ifn = "-"
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ofn = "-"
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columns = 1
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letters = 0
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opts, args = getopt.getopt(sys.argv[1:], "c:lo:",
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["columns=", "letters", "output="])
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for opt, val in opts:
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if opt in ("-o", "--output"):
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ofn = val
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elif opt in ("-c", "--columns"):
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columns = string.atoi(val)
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elif opt in ("-l", "--letters"):
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letters = 1
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if not args:
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args = [ifn]
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nodes = []
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for fn in args:
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nodes = nodes + load(open(fn))
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num_nodes = len(nodes)
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html = process_nodes(nodes, columns, letters)
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program = os.path.basename(sys.argv[0])
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if ofn == "-":
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sys.stdout.write(html)
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sys.stderr.write("\n%s: %d index nodes" % (program, num_nodes))
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else:
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open(ofn, "w").write(html)
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print
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print "%s: %d index nodes" % (program, num_nodes)
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if __name__ == "__main__":
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main()
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