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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
# coding: utf-8
from __future__ import absolute_import, division, print_function, unicode_literals
import itertools
import os
import shlex
import sys
from pip._internal.commands import create_command
from pip._internal.utils.misc import get_installed_distributions
from .. import click, sync
from .._compat import parse_requirements
from ..exceptions import PipToolsError
from ..logging import log
from ..repositories import PyPIRepository
from ..utils import flat_map
DEFAULT_REQUIREMENTS_FILE = "requirements.txt"
@click.command(context_settings={"help_option_names": ("-h", "--help")})
@click.version_option()
@click.option(
"-a",
"--ask",
is_flag=True,
help="Show what would happen, then ask whether to continue",
)
@click.option(
"-n",
"--dry-run",
is_flag=True,
help="Only show what would happen, don't change anything",
)
@click.option("--force", is_flag=True, help="Proceed even if conflicts are found")
@click.option(
"-f",
"--find-links",
multiple=True,
help="Look for archives in this directory or on this HTML page",
)
@click.option("-i", "--index-url", help="Change index URL (defaults to PyPI)")
@click.option(
"--extra-index-url", multiple=True, help="Add additional index URL to search"
)
@click.option(
"--trusted-host",
multiple=True,
help="Mark this host as trusted, even though it does not have valid or any HTTPS.",
)
@click.option(
"--no-index",
is_flag=True,
help="Ignore package index (only looking at --find-links URLs instead)",
)
@click.option("-v", "--verbose", count=True, help="Show more output")
@click.option("-q", "--quiet", count=True, help="Give less output")
@click.option(
"--user", "user_only", is_flag=True, help="Restrict attention to user directory"
)
@click.option("--cert", help="Path to alternate CA bundle.")
@click.option(
"--client-cert",
help="Path to SSL client certificate, a single file containing "
"the private key and the certificate in PEM format.",
)
@click.argument("src_files", required=False, type=click.Path(exists=True), nargs=-1)
@click.option("--pip-args", help="Arguments to pass directly to pip install.")
def cli(
ask,
dry_run,
force,
find_links,
index_url,
extra_index_url,
trusted_host,
no_index,
verbose,
quiet,
user_only,
cert,
client_cert,
src_files,
pip_args,
):
"""Synchronize virtual environment with requirements.txt."""
log.verbosity = verbose - quiet
if not src_files:
if os.path.exists(DEFAULT_REQUIREMENTS_FILE):
src_files = (DEFAULT_REQUIREMENTS_FILE,)
else:
msg = "No requirement files given and no {} found in the current directory"
log.error(msg.format(DEFAULT_REQUIREMENTS_FILE))
sys.exit(2)
if any(src_file.endswith(".in") for src_file in src_files):
msg = (
"Some input files have the .in extension, which is most likely an error "
"and can cause weird behaviour. You probably meant to use "
"the corresponding *.txt file?"
)
if force:
log.warning("WARNING: " + msg)
else:
log.error("ERROR: " + msg)
sys.exit(2)
install_command = create_command("install")
options, _ = install_command.parse_args([])
session = install_command._build_session(options)
finder = install_command._build_package_finder(options=options, session=session)
# Parse requirements file. Note, all options inside requirements file
# will be collected by the finder.
requirements = flat_map(
lambda src: parse_requirements(src, finder=finder, session=session), src_files
)
try:
requirements = sync.merge(requirements, ignore_conflicts=force)
except PipToolsError as e:
log.error(str(e))
sys.exit(2)
installed_dists = get_installed_distributions(skip=[], user_only=user_only)
to_install, to_uninstall = sync.diff(requirements, installed_dists)
install_flags = (
_compose_install_flags(
finder,
no_index=no_index,
index_url=index_url,
extra_index_url=extra_index_url,
trusted_host=trusted_host,
find_links=find_links,
user_only=user_only,
cert=cert,
client_cert=client_cert,
)
+ shlex.split(pip_args or "")
)
sys.exit(
sync.sync(
to_install,
to_uninstall,
dry_run=dry_run,
install_flags=install_flags,
ask=ask,
)
)
def _compose_install_flags(
finder,
no_index=False,
index_url=None,
extra_index_url=None,
trusted_host=None,
find_links=None,
user_only=False,
cert=None,
client_cert=None,
):
"""
Compose install flags with the given finder and CLI options.
"""
result = []
# Build --index-url/--extra-index-url/--no-index
if no_index:
result.append("--no-index")
elif index_url:
result.extend(["--index-url", index_url])
elif finder.index_urls:
finder_index_url = finder.index_urls[0]
if finder_index_url != PyPIRepository.DEFAULT_INDEX_URL:
result.extend(["--index-url", finder_index_url])
for extra_index in finder.index_urls[1:]:
result.extend(["--extra-index-url", extra_index])
else:
result.append("--no-index")
for extra_index in extra_index_url:
result.extend(["--extra-index-url", extra_index])
# Build --trusted-hosts
for host in itertools.chain(trusted_host, finder.trusted_hosts):
result.extend(["--trusted-host", host])
# Build --find-links
for link in itertools.chain(find_links, finder.find_links):
result.extend(["--find-links", link])
# Build format controls --no-binary/--only-binary
for format_control in ("no_binary", "only_binary"):
formats = getattr(finder.format_control, format_control)
if not formats:
continue
result.extend(
["--" + format_control.replace("_", "-"), ",".join(sorted(formats))]
)
if user_only:
result.append("--user")
if cert:
result.extend(["--cert", cert])
if client_cert:
result.extend(["--client-cert", client_cert])
return result
|
