Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hgweb/common.py @ 4461:12e4d9524951

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hgweb: use generator to count parity of horizontal stripes for easier reading. - use web.stripes in all places and consistently - start with parity0 for lists generated in reverse (e.g. changelog)
author Thomas Arendsen Hein <thomas@intevation.de>
date Tue, 29 May 2007 16:42:05 +0200
parents 5ae460b1f6f0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # hgweb/common.py - Utility functions needed by hgweb_mod and hgwebdir_mod
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2 #
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3 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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4 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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5 #
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6 # This software may be used and distributed according to the terms
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7 # of the GNU General Public License, incorporated herein by reference.
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8
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9 import os, mimetypes
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10
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11 def get_mtime(repo_path):
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12 store_path = os.path.join(repo_path, ".hg")
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13 if not os.path.isdir(os.path.join(store_path, "data")):
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14 store_path = os.path.join(store_path, "store")
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15 cl_path = os.path.join(store_path, "00changelog.i")
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16 if os.path.exists(cl_path):
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17 return os.stat(cl_path).st_mtime
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18 else:
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19 return os.stat(store_path).st_mtime
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20
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21 def staticfile(directory, fname, req):
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22 """return a file inside directory with guessed content-type header
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23
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24 fname always uses '/' as directory separator and isn't allowed to
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25 contain unusual path components.
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26 Content-type is guessed using the mimetypes module.
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27 Return an empty string if fname is illegal or file not found.
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28
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29 """
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30 parts = fname.split('/')
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31 path = directory
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32 for part in parts:
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33 if (part in ('', os.curdir, os.pardir) or
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34 os.sep in part or os.altsep is not None and os.altsep in part):
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35 return ""
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36 path = os.path.join(path, part)
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37 try:
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38 os.stat(path)
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39 ct = mimetypes.guess_type(path)[0] or "text/plain"
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40 req.header([('Content-type', ct),
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41 ('Content-length', str(os.path.getsize(path)))])
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42 return file(path, 'rb').read()
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43 except (TypeError, OSError):
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44 # illegal fname or unreadable file
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45 return ""
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46
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47 def style_map(templatepath, style):
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48 """Return path to mapfile for a given style.
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49
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50 Searches mapfile in the following locations:
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51 1. templatepath/style/map
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52 2. templatepath/map-style
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53 3. templatepath/map
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54 """
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55 locations = style and [os.path.join(style, "map"), "map-"+style] or []
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56 locations.append("map")
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57 for location in locations:
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58 mapfile = os.path.join(templatepath, location)
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59 if os.path.isfile(mapfile):
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60 return mapfile
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61 raise RuntimeError("No hgweb templates found in %r" % templatepath)
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63 def paritygen(stripecount, offset=0):
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64 """count parity of horizontal stripes for easier reading"""
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65 if stripecount and offset:
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66 # account for offset, e.g. due to building the list in reverse
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67 count = (stripecount + offset) % stripecount
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68 parity = (stripecount + offset) / stripecount & 1
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69 else:
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70 count = 0
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71 parity = 0
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72 while True:
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73 yield parity
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74 count += 1
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75 if stripecount and count >= stripecount:
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76 parity = 1 - parity
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77 count = 0
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78