8 examples of 'conda create environment from requirements.txt' in Python

96
def install_requirements():
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    # TODO: Detect when requirements.txt changes instead of checking for a file
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    if os.path.exists(requirements_installed_path):
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        return
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    print 'Installing requirements...'
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    shell(pip_path, 'install', '-r', 'requirements.txt')
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    shell(pip_path, 'install', os.path.join(vendor_path, 'nose-1.1.2.tar.gz'))
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    shell(pip_path, 'install', '-e', '.')
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    open(requirements_installed_path, 'w').close()

53
def install_requirements():
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    prep_apt_get()
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    install_system_requirements()
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    install_virtualenv()
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    install_nginx()

39
def install_requirements() -> [str]:
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    return read_requirements_file("requirements.txt")

31
def extract_requirements(filename):
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    with open(filename, 'r') as requirements_file:
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        return [x[:-1] for x in requirements_file.readlines()]

32
def _requirements():
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    with open('requirements.txt', 'r') as fd:
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        return [name.strip() for name in fd.readlines()]

8
def get_requirements():
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    """Return the components defined in requirements.txt."""
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    with open('requirements.txt') as fin:
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        return [l.split()[0].split('#', 1)[0].strip() for l in fin
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                if l and not l.startswith('git')]

82
def activate_virtualenv(venv):
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    """Activate a virtualenv in the current Python process."""
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    with open(venv['activate_this']) as f:
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        exec(f.read(), dict(__file__=venv['activate_this']))

30
def get_requirements(lookup=None):
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    '''get_requirements reads in requirements and versions from
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       the lookup obtained with get_lookup'''
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    if lookup is None:
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        lookup = get_lookup()
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    install_requires = []
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    for module in lookup['INSTALL_REQUIRES']:
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        module_name = module[0]
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        module_meta = module[1]
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        if "exact_version" in module_meta:
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            dependency = "%s==%s" % (module_name, module_meta['exact_version'])
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        elif "min_version" in module_meta:
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            if module_meta['min_version'] is None:
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                dependency = module_name
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            else:
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                dependency = "%s>=%s" % (module_name, module_meta['min_version'])
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        install_requires.append(dependency)
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    return install_requires