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Version 2.1 by Leon Poon on 2018/12/24 10:03
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Leon Poon 2.1 1 {{toc /}}
Leon Poon 1.1 2
Leon Poon 2.1 3 = Download =
Leon Poon 1.1 4
Leon Poon 2.1 5 Go to [[url:https://www.python.org/downloads/release/python-365/]].
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Leon Poon 1.1 7 Scroll down to the "Files" section.
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9 Click on "Windows x86-64 executable installer". Download will start.
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11
Leon Poon 2.1 12 = Install =
Leon Poon 1.1 13
14 After download is complete, double click the package.
15
16 Ensure that you tick the checkbox that says "Add Python 3.6 to PATH". Complete the install.
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18 To test that the installation works, open Command Prompt application and type and press enter:
19
20 {{code}}
21 python3
22 {{/code}}
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24 If it shows this then you are OK:
25
26 {{code language="plain"}}
27 Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 05:52:31)
28 [MSC v.1900 64 bit (AMD64)] on win32
29 Type "help", "copyright", "credits" or "license" for more information.
30 >>>
31 {{/code}}
32
33 Press CTRL-Z and then press enter to exit python3.
34
35
Leon Poon 2.1 36 = Install Pip =
Leon Poon 1.1 37
38 Open Command Prompt application.
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40 type this and press enter:
41
42 {{code}}
43 pip3
44 {{/code}}
45
46
47 If you get the following output you are OK:
48
49 {{code language="plain"}}
50 Usage:
51 pip <command> [options]
52
53 Commands:
54 install Install packages.
55 download Download packages.
56 uninstall Uninstall packages.
57 freeze Output installed packages in requirements format.
58 list List installed packages.
59 show Show information about installed packages.
60 check Verify installed packages have compatible dependencies.
61 search Search PyPI for packages.
62 wheel Build wheels from your requirements.
63 hash Compute hashes of package archives.
64 completion A helper command used for command completion.
65 help Show help for commands.
66
67 General Options:
68 -h, --help Show help.
69 --isolated Run pip in an isolated mode, ignoring environment variables and user configuration.
70 -v, --verbose Give more output. Option is additive, and can be used up to 3 times.
71 -V, --version Show version and exit.
72 -q, --quiet Give less output. Option is additive, and can be used up to 3 times (corresponding to
73 WARNING, ERROR, and CRITICAL logging levels).
74 --log <path> Path to a verbose appending log.
75 --proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port.
76 --retries <retries> Maximum number of retries each connection should attempt (default 5 times).
77 --timeout <sec> Set the socket timeout (default 15 seconds).
78 --exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup,
79 (a)bort.
80 --trusted-host <hostname> Mark this host as trusted, even though it does not have valid or any HTTPS.
81 --cert <path> Path to alternate CA bundle.
82 --client-cert <path> Path to SSL client certificate, a single file containing the private key and the
83 certificate in PEM format.
84 --cache-dir <dir> Store the cache data in <dir>.
85 --no-cache-dir Disable the cache.
86 --disable-pip-version-check
87 Don't periodically check PyPI to determine whether a new version of pip is available for
88 download. Implied with --no-index.
89 {{/code}}
90
Leon Poon 2.1 91 = Install Virtual Env =
Leon Poon 1.1 92
93 Open Command Prompt application.
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95 Type and press enter:
96
97 {{code}}
98 pip3 install virtualenv
99 {{/code}}
100
101
102 It should say something like:
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104 {{code language="plain"}}
105 Collecting virtualenv
106 Downloading https://files.pythonhosted.org/packages/b6/30/96a02b2287098b23b875bc8c2f58071c35d2efe84f747b64d523721dc2b5/virtualenv-16.0.0-py2.py3-none-any.whl (1.9MB)
107 100% |████████████████████████████████| 1.9MB 765kB/s
108 Installing collected packages: virtualenv
109 Successfully installed virtualenv-16.0.0
110 {{/code}}
111
112 To check that it works, type in Command Prompt application and press enter:
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114 {{code}}
115 virtualenv
116 {{/code}}
117
118
119 If it shows the following, you are OK.
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121 {{code language="plain"}}
122 You must provide a DEST_DIR
123 Usage: virtualenv [OPTIONS] DEST_DIR
124
125 Options:
126 --version show program's version number and exit
127 -h, --help show this help message and exit
128 -v, --verbose Increase verbosity.
129 -q, --quiet Decrease verbosity.
130 -p PYTHON_EXE, --python=PYTHON_EXE
131 The Python interpreter to use, e.g.,
132 --python=python3.5 will use the python3.5 interpreter
133 to create the new environment. The default is the
134 interpreter that virtualenv was installed with (/Libra
135 ry/Frameworks/Python.framework/Versions/3.6/bin/python
136 3.6)
137 --clear Clear out the non-root install and start from scratch.
138 --no-site-packages DEPRECATED. Retained only for backward compatibility.
139 Not having access to global site-packages is now the
140 default behavior.
141 --system-site-packages
142 Give the virtual environment access to the global
143 site-packages.
144 --always-copy Always copy files rather than symlinking.
145 --relocatable Make an EXISTING virtualenv environment relocatable.
146 This fixes up scripts and makes all .pth files
147 relative.
148 --no-setuptools Do not install setuptools in the new virtualenv.
149 --no-pip Do not install pip in the new virtualenv.
150 --no-wheel Do not install wheel in the new virtualenv.
151 --extra-search-dir=DIR
152 Directory to look for setuptools/pip distributions in.
153 This option can be used multiple times.
154 --download Download preinstalled packages from PyPI.
155 --no-download, --never-download
156 Do not download preinstalled packages from PyPI.
157 --prompt=PROMPT Provides an alternative prompt prefix for this
158 environment.
159 --setuptools DEPRECATED. Retained only for backward compatibility.
160 This option has no effect.
161 --distribute DEPRECATED. Retained only for backward compatibility.
162 This option has no effect.
163 --unzip-setuptools DEPRECATED. Retained only for backward compatibility.
164 This option has no effect.
165 {{/code}}