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  • Committer: John Arbash Meinel
  • Date: 2005-11-08 18:36:26 UTC
  • mto: This revision was merged to the branch mainline in revision 1727.
  • Revision ID: john@arbash-meinel.com-20051108183626-71f8414338043265
Updating unified_diff to take a factory, using the new diff algorithm in the code.

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bzr_man.py
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import os, sys
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try:
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    version_info = sys.version_info
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except AttributeError:
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    version_info = 1, 5 # 1.5 or older
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REINVOKE = "__BZR_REINVOKE"    
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NEED_VERS = (2, 3)
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if version_info < NEED_VERS:
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    if not os.environ.has_key(REINVOKE):
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        # mutating os.environ doesn't work in old Pythons
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        os.putenv(REINVOKE, "1")
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        for python in 'python2.4', 'python2.3':
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            try:
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                os.execvp(python, [python] + sys.argv)
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            except OSError:
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                pass
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    print >>sys.stderr, "bzr-man.py: error: cannot find a suitable python interpreter"
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    print >>sys.stderr, "  (need %d.%d or later)" % NEED_VERS
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    sys.exit(1)
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if hasattr(os, "unsetenv"):
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    os.unsetenv(REINVOKE)
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import bzrlib, bzrlib.help
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#>>> code taken from bzr (C) Canonical
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    def parse_line(self, line):
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        m = self.usage_exp.match(line)
 
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        if line == '':
 
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                return
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        if m:
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            if self.state == 0:
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                if self.usage:
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                    self.command_usage.append((self.command,self.usage,self.descr))
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                    self.all_commands.append(self.command)
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                self.usage = line
 
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                self.usage = " ".join(line.split(" ")[1:])
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                self.command = m.groups()[0]
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            else:
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                raise Error, "matching usage line in state %d" % state
 
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                raise RuntimeError, "matching usage line in state %d" % state
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            self.state = 1
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            return
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        m = self.descr_exp.match(line)
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            if self.state == 1:
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                self.descr = m.groups()[0]
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            else:
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                raise Error, "matching descr line in state %d" % state
 
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                raise RuntimeError, "matching descr line in state %d" % state
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            self.state = 0
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            return
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        raise Error, "Cannot parse this line"
 
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        raise RuntimeError, "Cannot parse this line ('%s')." % line
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    def end_parse(self):
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        if self.state == 0:
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                self.command_usage.append((self.command,self.usage,self.descr))
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                self.all_commands.append(self.command)
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        else:
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            raise Error, "ending parse in state %d" % state
 
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            raise RuntimeError, "ending parse in state %d" % state
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    def write_to_manpage(self, outfile):
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        bzrcmd = self.params["bzrcmd"]
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        outfile.write('.SH "COMMAND OVERVIEW"\n')
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        for (command,usage,descr) in self.command_usage:
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            outfile.write('.TP\n.B "%s %s"\n%s\n\n' % (bzrcmd, usage, descr))
 
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            outfile.write('.TP\n.B "%s %s"\n%s\n' % (bzrcmd, usage, descr))
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class HelpReader:
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Path where
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.B "%(bzrcmd)s"
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is to look for external command.
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.TP
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.I "BZREMAIL"
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E-Mail address of the user. Overrides
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.IR "EMAIL" .
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Example content:
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.I "John Doe <john@example.com>"
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.TP
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.I "EMAIL"
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E-Mail address of the user. Overridden by the content of the file
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.I "~/.bzr.conf/email"
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and of the environment variable
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.IR "BZREMAIL" .
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.SH "FILES"
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.TP
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.I "~/.bzr.conf/"
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.I "EMAIL"
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environment variable. Example content:
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.I "John Doe <john@example.com>"
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.SH "SEE ALSO"
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.UR http://www.bazaar-ng.org/
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.BR http://www.bazaar-ng.org/,