-
Notifications
You must be signed in to change notification settings - Fork 1
/
__init__.py
executable file
·198 lines (177 loc) · 7.27 KB
/
__init__.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
#!/usr/bin/env python
import os
import optparse
import sys
import re
import difflib
from pip.basecommand import command_dict, load_command, load_all_commands, command_names
from pip.baseparser import parser
from pip.exceptions import InstallationError
from pip.log import logger
from pip.util import get_installed_distributions, get_prog
from pip.vcs import git, mercurial, subversion, bazaar # noqa
# The version as used in the setup.py and the docs conf.py
__version__ = "1.2.1.post1"
def autocomplete():
"""Command and option completion for the main option parser (and options)
and its subcommands (and options).
Enable by sourcing one of the completion shell scripts (bash or zsh).
"""
# Don't complete if user hasn't sourced bash_completion file.
if 'PIP_AUTO_COMPLETE' not in os.environ:
return
cwords = os.environ['COMP_WORDS'].split()[1:]
cword = int(os.environ['COMP_CWORD'])
try:
current = cwords[cword - 1]
except IndexError:
current = ''
load_all_commands()
subcommands = [cmd for cmd, cls in command_dict.items() if not cls.hidden]
options = []
# subcommand
try:
subcommand_name = [w for w in cwords if w in subcommands][0]
except IndexError:
subcommand_name = None
# subcommand options
if subcommand_name:
# special case: 'help' subcommand has no options
if subcommand_name == 'help':
sys.exit(1)
# special case: list locally installed dists for uninstall command
if subcommand_name == 'uninstall' and not current.startswith('-'):
installed = []
lc = current.lower()
for dist in get_installed_distributions(local_only=True):
if dist.key.startswith(lc) and dist.key not in cwords[1:]:
installed.append(dist.key)
# if there are no dists installed, fall back to option completion
if installed:
for dist in installed:
print(dist)
sys.exit(1)
subcommand = command_dict.get(subcommand_name)
options += [(opt.get_opt_string(), opt.nargs)
for opt in subcommand.parser.option_list
if opt.help != optparse.SUPPRESS_HELP]
# filter out previously specified options from available options
prev_opts = [x.split('=')[0] for x in cwords[1:cword - 1]]
options = [(x, v) for (x, v) in options if x not in prev_opts]
# filter options by current input
options = [(k, v) for k, v in options if k.startswith(current)]
for option in options:
opt_label = option[0]
# append '=' to options which require args
if option[1]:
opt_label += '='
print(opt_label)
else:
# show options of main parser only when necessary
if current.startswith('-') or current.startswith('--'):
subcommands += [opt.get_opt_string()
for opt in parser.option_list
if opt.help != optparse.SUPPRESS_HELP]
print(' '.join([x for x in subcommands if x.startswith(current)]))
sys.exit(1)
def main(initial_args=None):
if initial_args is None:
initial_args = sys.argv[1:]
autocomplete()
options, args = parser.parse_args(initial_args)
if options.help and not args:
args = ['help']
if not args:
parser.error('You must give a command '
'(use "%s help" to see a list of commands)' % get_prog())
command = args[0].lower()
load_command(command)
if command not in command_dict:
close_commands = difflib.get_close_matches(command, command_names())
if close_commands:
guess = close_commands[0]
if args[1:]:
guess = "%s %s" % (guess, " ".join(args[1:]))
else:
guess = 'install %s' % command
error_dict = {'arg': command, 'guess': guess,
'script': os.path.basename(sys.argv[0])}
parser.error('No command by the name %(script)s %(arg)s\n '
'(maybe you meant "%(script)s %(guess)s")' % error_dict)
command = command_dict[command]
return command.main(args[1:], options)
def bootstrap():
"""
Bootstrapping function to be called from install-pip.py script.
"""
return main(['install', '--upgrade', 'pip'])
############################################################
## Writing freeze files
class FrozenRequirement(object):
def __init__(self, name, req, editable, comments=()):
self.name = name
self.req = req
self.editable = editable
self.comments = comments
_rev_re = re.compile(r'-r(\d+)$')
_date_re = re.compile(r'-(20\d\d\d\d\d\d)$')
@classmethod
def from_dist(cls, dist, dependency_links, find_tags=False):
location = os.path.normcase(os.path.abspath(dist.location))
comments = []
from pip.vcs import vcs, get_src_requirement
if vcs.get_backend_name(location):
editable = True
try:
req = get_src_requirement(dist, location, find_tags)
except InstallationError:
ex = sys.exc_info()[1]
logger.warn("Error when trying to get requirement for VCS system %s, falling back to uneditable format" % ex)
req = None
if req is None:
logger.warn('Could not determine repository location of %s' % location)
comments.append('## !! Could not determine repository location')
req = dist.as_requirement()
editable = False
else:
editable = False
req = dist.as_requirement()
specs = req.specs
assert len(specs) == 1 and specs[0][0] == '=='
version = specs[0][1]
ver_match = cls._rev_re.search(version)
date_match = cls._date_re.search(version)
if ver_match or date_match:
svn_backend = vcs.get_backend('svn')
if svn_backend:
svn_location = svn_backend(
).get_location(dist, dependency_links)
if not svn_location:
logger.warn(
'Warning: cannot find svn location for %s' % req)
comments.append('## FIXME: could not find svn URL in dependency_links for this package:')
else:
comments.append('# Installing as editable to satisfy requirement %s:' % req)
if ver_match:
rev = ver_match.group(1)
else:
rev = '{%s}' % date_match.group(1)
editable = True
req = '%s@%s#egg=%s' % (svn_location, rev, cls.egg_name(dist))
return cls(dist.project_name, req, editable, comments)
@staticmethod
def egg_name(dist):
name = dist.egg_name()
match = re.search(r'-py\d\.\d$', name)
if match:
name = name[:match.start()]
return name
def __str__(self):
req = self.req
if self.editable:
req = '-e %s' % req
return '\n'.join(list(self.comments) + [str(req)]) + '\n'
if __name__ == '__main__':
exit = main()
if exit:
sys.exit(exit)