annotate lib/python3.8/site-packages/pip/_internal/commands/search.py @ 0:9e54283cc701 draft

"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 # The following comment should be removed at some point in the future.
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2 # mypy: disallow-untyped-defs=False
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3
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4 from __future__ import absolute_import
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5
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6 import logging
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7 import sys
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8 import textwrap
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9 from collections import OrderedDict
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10
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11 from pip._vendor import pkg_resources
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12 from pip._vendor.packaging.version import parse as parse_version
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13 # NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is
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14 # why we ignore the type on this import
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15 from pip._vendor.six.moves import xmlrpc_client # type: ignore
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16
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17 from pip._internal.cli.base_command import Command
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18 from pip._internal.cli.req_command import SessionCommandMixin
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19 from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS
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20 from pip._internal.exceptions import CommandError
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21 from pip._internal.models.index import PyPI
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22 from pip._internal.network.xmlrpc import PipXmlrpcTransport
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23 from pip._internal.utils.compat import get_terminal_size
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24 from pip._internal.utils.logging import indent_log
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25 from pip._internal.utils.misc import write_output
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26
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27 logger = logging.getLogger(__name__)
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28
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29
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30 class SearchCommand(Command, SessionCommandMixin):
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31 """Search for PyPI packages whose name or summary contains <query>."""
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32
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33 usage = """
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34 %prog [options] <query>"""
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35 ignore_require_venv = True
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36
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37 def __init__(self, *args, **kw):
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38 super(SearchCommand, self).__init__(*args, **kw)
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39 self.cmd_opts.add_option(
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40 '-i', '--index',
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41 dest='index',
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42 metavar='URL',
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43 default=PyPI.pypi_url,
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44 help='Base URL of Python Package Index (default %default)')
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45
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46 self.parser.insert_option_group(0, self.cmd_opts)
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47
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48 def run(self, options, args):
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49 if not args:
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50 raise CommandError('Missing required argument (search query).')
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51 query = args
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52 pypi_hits = self.search(query, options)
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53 hits = transform_hits(pypi_hits)
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54
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55 terminal_width = None
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56 if sys.stdout.isatty():
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57 terminal_width = get_terminal_size()[0]
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58
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59 print_results(hits, terminal_width=terminal_width)
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60 if pypi_hits:
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61 return SUCCESS
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62 return NO_MATCHES_FOUND
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63
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64 def search(self, query, options):
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65 index_url = options.index
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66
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67 session = self.get_default_session(options)
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68
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69 transport = PipXmlrpcTransport(index_url, session)
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70 pypi = xmlrpc_client.ServerProxy(index_url, transport)
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71 hits = pypi.search({'name': query, 'summary': query}, 'or')
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72 return hits
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73
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74
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75 def transform_hits(hits):
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76 """
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77 The list from pypi is really a list of versions. We want a list of
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78 packages with the list of versions stored inline. This converts the
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79 list from pypi into one we can use.
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80 """
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81 packages = OrderedDict()
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82 for hit in hits:
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83 name = hit['name']
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84 summary = hit['summary']
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85 version = hit['version']
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86
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87 if name not in packages.keys():
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88 packages[name] = {
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89 'name': name,
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90 'summary': summary,
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91 'versions': [version],
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92 }
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93 else:
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94 packages[name]['versions'].append(version)
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95
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96 # if this is the highest version, replace summary and score
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97 if version == highest_version(packages[name]['versions']):
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98 packages[name]['summary'] = summary
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99
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100 return list(packages.values())
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101
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102
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103 def print_results(hits, name_column_width=None, terminal_width=None):
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104 if not hits:
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105 return
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106 if name_column_width is None:
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107 name_column_width = max([
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108 len(hit['name']) + len(highest_version(hit.get('versions', ['-'])))
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109 for hit in hits
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110 ]) + 4
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111
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112 installed_packages = [p.project_name for p in pkg_resources.working_set]
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113 for hit in hits:
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114 name = hit['name']
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115 summary = hit['summary'] or ''
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116 latest = highest_version(hit.get('versions', ['-']))
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117 if terminal_width is not None:
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118 target_width = terminal_width - name_column_width - 5
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119 if target_width > 10:
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120 # wrap and indent summary to fit terminal
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121 summary = textwrap.wrap(summary, target_width)
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122 summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)
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123
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124 line = '%-*s - %s' % (name_column_width,
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125 '%s (%s)' % (name, latest), summary)
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126 try:
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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parents:
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127 write_output(line)
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guerler
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128 if name in installed_packages:
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129 dist = pkg_resources.get_distribution(name)
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130 with indent_log():
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
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131 if dist.version == latest:
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132 write_output('INSTALLED: %s (latest)', dist.version)
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guerler
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133 else:
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134 write_output('INSTALLED: %s', dist.version)
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guerler
parents:
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135 if parse_version(latest).pre:
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guerler
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136 write_output('LATEST: %s (pre-release; install'
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
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137 ' with "pip install --pre")', latest)
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guerler
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138 else:
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guerler
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139 write_output('LATEST: %s', latest)
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
parents:
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140 except UnicodeEncodeError:
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guerler
parents:
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141 pass
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
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142
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guerler
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143
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144 def highest_version(versions):
9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
guerler
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145 return max(versions, key=parse_version)