Mercurial > hg
annotate hgext/schemes.py @ 36473:ab5f18a9dcac
py3: slice over bytes or use startswith() to prevent getting ascii values
Differential Revision: https://phab.mercurial-scm.org/D2496
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Wed, 28 Feb 2018 19:54:10 +0530 |
parents | 75979c8d4572 |
children | e77cee5de1c7 |
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9964 | 1 # Copyright 2009, Alexander Solovyov <piranha@piranha.org.ua> |
2 # | |
3 # This software may be used and distributed according to the terms of the | |
10263 | 4 # GNU General Public License version 2 or any later version. |
9964 | 5 |
6 """extend schemes with shortcuts to repository swarms | |
7 | |
8 This extension allows you to specify shortcuts for parent URLs with a | |
9 lot of repositories to act like a scheme, for example:: | |
10 | |
11 [schemes] | |
12 py = http://code.python.org/hg/ | |
13 | |
14 After that you can use it like:: | |
15 | |
16 hg clone py://trunk/ | |
17 | |
18 Additionally there is support for some more complex schemas, for | |
19 example used by Google Code:: | |
20 | |
21 [schemes] | |
22 gcode = http://{1}.googlecode.com/hg/ | |
23 | |
24 The syntax is taken from Mercurial templates, and you have unlimited | |
25 number of variables, starting with ``{1}`` and continuing with | |
26 ``{2}``, ``{3}`` and so on. This variables will receive parts of URL | |
27 supplied, split by ``/``. Anything not specified as ``{part}`` will be | |
28 just appended to an URL. | |
29 | |
30 For convenience, the extension adds these schemes by default:: | |
31 | |
32 [schemes] | |
33 py = http://hg.python.org/ | |
34 bb = https://bitbucket.org/ | |
35 bb+ssh = ssh://hg@bitbucket.org/ | |
36 gcode = https://{1}.googlecode.com/hg/ | |
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37 kiln = https://{1}.kilnhg.com/Repo/ |
9964 | 38 |
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39 You can override a predefined scheme by defining a new scheme with the |
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40 same name. |
9964 | 41 """ |
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42 from __future__ import absolute_import |
9964 | 43 |
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44 import os |
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45 import re |
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46 |
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47 from mercurial.i18n import _ |
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48 from mercurial import ( |
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49 error, |
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50 extensions, |
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51 hg, |
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52 pycompat, |
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53 registrar, |
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54 templater, |
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55 util, |
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56 ) |
9964 | 57 |
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58 cmdtable = {} |
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59 command = registrar.command(cmdtable) |
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60 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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61 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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62 # be specifying the version(s) of Mercurial they are tested with, or |
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63 # leave the attribute unspecified. |
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64 testedwith = 'ships-with-hg-core' |
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65 |
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66 _partre = re.compile(br'\{(\d+)\}') |
9964 | 67 |
68 class ShortRepository(object): | |
69 def __init__(self, url, scheme, templater): | |
70 self.scheme = scheme | |
71 self.templater = templater | |
72 self.url = url | |
73 try: | |
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74 self.parts = max(map(int, _partre.findall(self.url))) |
9964 | 75 except ValueError: |
76 self.parts = 0 | |
77 | |
78 def __repr__(self): | |
79 return '<ShortRepository: %s>' % self.scheme | |
80 | |
81 def instance(self, ui, url, create): | |
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82 url = self.resolve(url) |
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83 return hg._peerlookup(url).instance(ui, url, create) |
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84 |
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85 def resolve(self, url): |
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86 # Should this use the util.url class, or is manual parsing better? |
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87 try: |
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88 url = url.split('://', 1)[1] |
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89 except IndexError: |
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90 raise error.Abort(_("no '://' in scheme url '%s'") % url) |
9964 | 91 parts = url.split('/', self.parts) |
92 if len(parts) > self.parts: | |
93 tail = parts[-1] | |
94 parts = parts[:-1] | |
95 else: | |
96 tail = '' | |
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97 context = dict((str(i + 1), v) for i, v in enumerate(parts)) |
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98 return ''.join(self.templater.process(self.url, context)) + tail |
9964 | 99 |
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100 def hasdriveletter(orig, path): |
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101 if path: |
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102 for scheme in schemes: |
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103 if path.startswith(scheme + ':'): |
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104 return False |
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105 return orig(path) |
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106 |
9964 | 107 schemes = { |
108 'py': 'http://hg.python.org/', | |
109 'bb': 'https://bitbucket.org/', | |
110 'bb+ssh': 'ssh://hg@bitbucket.org/', | |
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111 'gcode': 'https://{1}.googlecode.com/hg/', |
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112 'kiln': 'https://{1}.kilnhg.com/Repo/' |
9964 | 113 } |
114 | |
115 def extsetup(ui): | |
116 schemes.update(dict(ui.configitems('schemes'))) | |
117 t = templater.engine(lambda x: x) | |
118 for scheme, url in schemes.items(): | |
34645 | 119 if (pycompat.iswindows and len(scheme) == 1 and scheme.isalpha() |
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120 and os.path.exists('%s:\\' % scheme)): |
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121 raise error.Abort(_('custom scheme %s:// conflicts with drive ' |
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122 'letter %s:\\\n') % (scheme, scheme.upper())) |
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123 hg.schemes[scheme] = ShortRepository(url, scheme, t) |
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124 |
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125 extensions.wrapfunction(util, 'hasdriveletter', hasdriveletter) |
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126 |
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127 @command('debugexpandscheme', norepo=True) |
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128 def expandscheme(ui, url, **opts): |
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129 """given a repo path, provide the scheme-expanded path |
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130 """ |
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131 repo = hg._peerlookup(url) |
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132 if isinstance(repo, ShortRepository): |
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133 url = repo.resolve(url) |
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134 ui.write(url + '\n') |