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#!/usr/bin/python
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#
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# Interactive script for sending a collection of Mercurial changesets
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# as a series of patch emails.
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#
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# The series is started off with a "[PATCH 0 of N]" introduction,
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# which describes the series as a whole.
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#
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# Each patch email has a Subject line of "[PATCH M of N] ...", using
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# the first line of the changeset description as the subject text.
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# The message contains two or three body parts:
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#
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# The remainder of the changeset description.
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#
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# [Optional] If the diffstat program is installed, the result of
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# running diffstat on the patch.
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#
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# The patch itself, as generated by "hg export".
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#
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# Each message refers to all of its predecessors using the In-Reply-To
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# and References headers, so they will show up as a sequence in
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# threaded mail and news readers, and in mail archives.
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#
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# For each changeset, you will be prompted with a diffstat summary and
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# the changeset summary, so you can be sure you are sending the right
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# changes.
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#
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# It is best to run this script with the "-n" (test only) flag before
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# firing it up "for real", in which case it will use your pager to
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# display each of the messages that it would send.
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#
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# To configure a default mail host, add a section like this to your
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# hgrc file:
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#
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# [smtp]
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# host = my_mail_host
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# port = 1025
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#
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# To configure other defaults, add a section like this to your hgrc
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# file:
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#
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# [patchbomb]
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# from = My Name <my@email>
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# to = recipient1, recipient2, ...
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# cc = cc1, cc2, ...
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from email.MIMEMultipart import MIMEMultipart
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from email.MIMEText import MIMEText
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from mercurial import commands
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from mercurial import fancyopts
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from mercurial import hg
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from mercurial import ui
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import os
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import popen2
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import readline
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import smtplib
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import socket
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import sys
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import tempfile
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import time
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def diffstat(patch):
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fd, name = tempfile.mkstemp()
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try:
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p = popen2.Popen3('diffstat -p1 -w79 2>/dev/null > ' + name)
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try:
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for line in patch: print >> p.tochild, line
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p.tochild.close()
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if p.wait(): return
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fp = os.fdopen(fd, 'r')
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stat = []
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for line in fp: stat.append(line.lstrip())
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last = stat.pop()
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stat.insert(0, last)
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stat = ''.join(stat)
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if stat.startswith('0 files'): raise ValueError
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return stat
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except: raise
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finally:
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try: os.unlink(name)
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except: pass
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def patchbomb(ui, repo, *revs, **opts):
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def prompt(prompt, default = None, rest = ': ', empty_ok = False):
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if default: prompt += ' [%s]' % default
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prompt += rest
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while True:
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r = raw_input(prompt)
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if r: return r
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if default is not None: return default
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if empty_ok: return r
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ui.warn('Please enter a valid value.\n')
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def confirm(s):
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if not prompt(s, default = 'y', rest = '? ').lower().startswith('y'):
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raise ValueError
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def cdiffstat(summary, patch):
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s = diffstat(patch)
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if s:
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if summary:
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ui.write(summary, '\n')
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ui.write(s, '\n')
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confirm('Does the diffstat above look okay')
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return s
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def makepatch(patch, idx, total):
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desc = []
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node = None
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body = ''
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for line in patch:
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if line.startswith('#'):
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if line.startswith('# Node ID'): node = line.split()[-1]
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continue
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if line.startswith('diff -r'): break
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desc.append(line)
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if not node: raise ValueError
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#body = ('\n'.join(desc[1:]).strip() or
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# 'Patch subject is complete summary.')
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#body += '\n\n\n'
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if opts['diffstat']:
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body += cdiffstat('\n'.join(desc), patch) + '\n\n'
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body += '\n'.join(patch)
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msg = MIMEText(body)
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subj = '[PATCH %d of %d] %s' % (idx, total, desc[0].strip())
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if subj.endswith('.'): subj = subj[:-1]
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msg['Subject'] = subj
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msg['X-Mercurial-Node'] = node
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return msg
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start_time = int(time.time())
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def genmsgid(id):
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return '<%s.%s@%s>' % (id[:20], start_time, socket.getfqdn())
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patches = []
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class exportee:
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def __init__(self, container):
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self.lines = []
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self.container = container
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self.name = 'email'
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def write(self, data):
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self.lines.append(data)
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def close(self):
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self.container.append(''.join(self.lines).split('\n'))
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self.lines = []
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commands.export(ui, repo, *args, **{'output': exportee(patches),
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'text': None})
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jumbo = []
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msgs = []
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ui.write('This patch series consists of %d patches.\n\n' % len(patches))
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for p, i in zip(patches, range(len(patches))):
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jumbo.extend(p)
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msgs.append(makepatch(p, i + 1, len(patches)))
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ui.write('\nWrite the introductory message for the patch series.\n\n')
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sender = (opts['from'] or ui.config('patchbomb', 'from') or
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prompt('From', ui.username()))
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msg = MIMEMultipart()
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msg['Subject'] = '[PATCH 0 of %d] %s' % (
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len(patches),
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opts['subject'] or
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prompt('Subject:', rest = ' [PATCH 0 of %d] ' % len(patches)))
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to = opts['to'] or ui.config('patchbomb', 'to') or prompt('To')
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to = [t.strip() for t in to.split(',')]
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cc = (opts['cc'] or ui.config('patchbomb', 'cc') or
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prompt('Cc', default = ''))
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cc = (cc and [c.strip() for c in cc.split(',')]) or []
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ui.write('Finish with ^D or a dot on a line by itself.\n\n')
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body = []
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while True:
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try: l = raw_input()
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except EOFError: break
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if l == '.': break
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body.append(l)
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msg.attach(MIMEText('\n'.join(body) + '\n'))
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ui.write('\n')
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if opts['diffstat']:
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d = cdiffstat('Final summary:\n', jumbo)
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if d: msg.attach(MIMEText(d))
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msgs.insert(0, msg)
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if not opts['test']:
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s = smtplib.SMTP()
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s.connect(host = ui.config('smtp', 'host', 'mail'),
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port = int(ui.config('smtp', 'port', 25)))
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parent = None
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tz = time.strftime('%z')
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for m in msgs:
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try:
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m['Message-Id'] = genmsgid(m['X-Mercurial-Node'])
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except TypeError:
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m['Message-Id'] = genmsgid('patchbomb')
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if parent:
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m['In-Reply-To'] = parent
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else:
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parent = m['Message-Id']
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m['Date'] = time.strftime('%a, %e %b %Y %T ', time.localtime(start_time)) + tz
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start_time += 1
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m['From'] = sender
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m['To'] = ', '.join(to)
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if cc: m['Cc'] = ', '.join(cc)
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ui.status('Sending ', m['Subject'], ' ...\n')
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if opts['test']:
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fp = os.popen(os.getenv('PAGER', 'more'), 'w')
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fp.write(m.as_string(0))
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fp.write('\n')
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fp.close()
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else:
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s.sendmail(sender, to + cc, m.as_string(0))
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if not opts['test']:
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s.close()
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if __name__ == '__main__':
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optspec = [('c', 'cc', [], 'email addresses of copy recipients'),
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('d', 'diffstat', None, 'add diffstat output to messages'),
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('f', 'from', '', 'email address of sender'),
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('n', 'test', None, 'print messages that would be sent'),
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('s', 'subject', '', 'subject of introductory message'),
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('t', 'to', [], 'email addresses of recipients')]
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options = {}
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try:
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args = fancyopts.fancyopts(sys.argv[1:], commands.globalopts + optspec,
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options)
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except fancyopts.getopt.GetoptError, inst:
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u = ui.ui()
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u.warn('error: %s' % inst)
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sys.exit(1)
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u = ui.ui(options["verbose"], options["debug"], options["quiet"],
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not options["noninteractive"])
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repo = hg.repository(ui = u)
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patchbomb(u, repo, *args, **options)
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