Mercurial > hg
annotate mercurial/version.py @ 2434:a2df85adface
http server: support persistent connections.
only "hg serve" affected yet. http server running cgi script will not
use persistent connections. support for fastcgi will help that.
clients that support keepalive can use one tcp connection for all
commands during clone and pull. this makes latency of binary search
during pull much lower over wan.
if server does not know content-length, it will force connection to
close at end. right fix is to use chunked transfer-encoding but this is
easier and does not hurt performance. only command that is affected is
"changegroup" which is always last command during a pull.
author | Vadim Gelfer <vadim.gelfer@gmail.com> |
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date | Thu, 15 Jun 2006 12:55:58 -0700 |
parents | 7eb694a1c1af |
children | 345bac2bc4ec |
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Support for 'hg --version'. setup.py stores version from hg repository.
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1 # Copyright (C) 2005 by Intevation GmbH |
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2 # Author(s): |
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3 # Thomas Arendsen Hein <thomas@intevation.de> |
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4 # |
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5 # This program is free software under the GNU GPL (>=v2) |
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6 # Read the file COPYING coming with the software for details. |
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7 |
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8 """ |
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9 Mercurial version |
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10 """ |
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11 |
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12 import os |
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13 import os.path |
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14 import re |
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15 import time |
461 | 16 import util |
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17 |
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18 unknown_version = 'unknown' |
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19 remembered_version = False |
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20 |
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21 def get_version(): |
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22 """Return version information if available.""" |
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23 try: |
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24 from mercurial.__version__ import version |
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25 except ImportError: |
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26 version = unknown_version |
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27 return version |
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28 |
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29 def write_version(version): |
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30 """Overwrite version file.""" |
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31 if version == get_version(): |
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32 return |
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33 directory = os.path.dirname(__file__) |
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34 for suffix in ['py', 'pyc', 'pyo']: |
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35 try: |
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36 os.unlink(os.path.join(directory, '__version__.%s' % suffix)) |
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37 except OSError: |
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38 pass |
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39 f = open(os.path.join(directory, '__version__.py'), 'w') |
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40 f.write("# This file is auto-generated.\n") |
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41 f.write("version = %r\n" % version) |
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42 f.close() |
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43 |
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44 def remember_version(version=None): |
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45 """Store version information.""" |
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46 global remembered_version |
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47 if not version and os.path.isdir(".hg"): |
461 | 48 f = os.popen("hg identify 2> %s" % util.nulldev) # use real hg installation |
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49 ident = f.read()[:-1] |
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50 if not f.close() and ident: |
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51 ids = ident.split(' ', 1) |
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52 version = ids.pop(0) |
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53 if version[-1] == '+': |
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54 version = version[:-1] |
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55 modified = True |
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56 else: |
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57 modified = False |
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58 if version.isalnum() and ids: |
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59 for tag in ids[0].split('/'): |
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60 # is a tag is suitable as a version number? |
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61 if re.match(r'^(\d+\.)+[\w.-]+$', tag): |
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62 version = tag |
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63 break |
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64 if modified: |
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65 version += time.strftime('+%Y%m%d') |
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66 if version: |
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67 remembered_version = True |
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68 write_version(version) |
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69 |
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70 def forget_version(): |
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71 """Remove version information.""" |
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72 if remembered_version: |
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73 write_version(unknown_version) |
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74 |