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-rwxr-xr-xcontrib/format_changelog.py141
1 files changed, 141 insertions, 0 deletions
diff --git a/contrib/format_changelog.py b/contrib/format_changelog.py
new file mode 100755
index 000000000..6e3b8045b
--- /dev/null
+++ b/contrib/format_changelog.py
@@ -0,0 +1,141 @@
+#!/usr/bin/python
+# Copyright (c) 2014, The Tor Project, Inc.
+# See LICENSE for licensing information
+#
+# This script reformats a section of the changelog to wrap everything to
+# the right width and put blank lines in the right places. Eventually,
+# it might include a linter.
+#
+# To run it, pipe a section of the changelog (starting with "Changes
+# in Tor 0.x.y.z-alpha" through the script.)
+
+import re
+import sys
+import textwrap
+
+TP_MAINHEAD = 0
+TP_HEADTEXT = 1
+TP_BLANK = 2
+TP_SECHEAD = 3
+TP_ITEMFIRST = 4
+TP_ITEMBODY = 5
+
+def head_parser(line):
+ if re.match(r'^[A-Z]', line):
+ return TP_MAINHEAD
+ elif re.match(r'^ o ', line):
+ return TP_SECHEAD
+ elif re.match(r'^\s*$', line):
+ return TP_BLANK
+ else:
+ return TP_HEADTEXT
+
+def body_parser(line):
+ if re.match(r'^ o ', line):
+ return TP_SECHEAD
+ elif re.match(r'^ -',line):
+ return TP_ITEMFIRST
+ elif re.match(r'^ \S', line):
+ return TP_ITEMBODY
+ elif re.match(r'^\s*$', line):
+ return TP_BLANK
+ else:
+ print "Weird line %r"%line
+
+class ChangeLog(object):
+ def __init__(self):
+ self.mainhead = None
+ self.headtext = []
+ self.curgraf = None
+ self.sections = []
+ self.cursection = None
+ self.lineno = 0
+
+ def addLine(self, tp, line):
+ self.lineno += 1
+
+ if tp == TP_MAINHEAD:
+ assert not self.mainhead
+ self.mainhead = line
+
+ elif tp == TP_HEADTEXT:
+ if self.curgraf is None:
+ self.curgraf = []
+ self.headtext.append(self.curgraf)
+ self.curgraf.append(line)
+
+ elif tp == TP_BLANK:
+ self.curgraf = None
+
+ elif tp == TP_SECHEAD:
+ self.cursection = [ self.lineno, line, [] ]
+ self.sections.append(self.cursection)
+
+ elif tp == TP_ITEMFIRST:
+ item = ( self.lineno, [ [line] ])
+ self.curgraf = item[1][0]
+ self.cursection[2].append(item)
+
+ elif tp == TP_ITEMBODY:
+ if self.curgraf is None:
+ self.curgraf = []
+ self.cursection[2][1][-1].append(self.curgraf)
+ self.curgraf.append(line)
+
+ else:
+ assert "This" is "unreachable"
+
+ def lint_head(self, line, head):
+ m = re.match(r'^ *o ([^\(]+)((?:\([^\)]+\))?):', head)
+ if not m:
+ print >>sys.stderr, "Weird header format on line %s"%line
+
+ def lint_item(self, line, grafs, head_type):
+ pass
+
+ def lint(self):
+ self.head_lines = {}
+ for sec_line, sec_head, items in self.sections:
+ head_type = self.lint_head(sec_line, sec_head)
+ for item_line, grafs in items:
+ self.lint_item(item_line, grafs, head_type)
+
+ def dumpGraf(self,par,indent1,indent2=-1):
+ if indent2 == -1:
+ indent2 = indent1
+ text = " ".join(re.sub(r'\s+', ' ', line.strip()) for line in par)
+ print textwrap.fill(text, width=72,
+ initial_indent=" "*indent1,
+ subsequent_indent=" "*indent2)
+
+ def dump(self):
+ print self.mainhead
+ for par in self.headtext:
+ self.dumpGraf(par, 2)
+ print
+ for _,head,items in self.sections:
+ if not head.endswith(':'):
+ print >>sys.stderr, "adding : to %r"%head
+ head = head + ":"
+ print head
+ for _,grafs in items:
+ self.dumpGraf(grafs[0],4,6)
+ for par in grafs[1:]:
+ print
+ self.dumpGraf(par,6,6)
+ print
+ print
+
+CL = ChangeLog()
+parser = head_parser
+
+for line in sys.stdin:
+ line = line.rstrip()
+ tp = parser(line)
+
+ CL.addLine(tp,line)
+ if tp == TP_SECHEAD:
+ parser = body_parser
+
+CL.lint()
+CL.dump()