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The idea here is that these formed a major chunk of InstallRequirement's size
so, moving them and support code dedicated to them outside of that class
helps creates for better understandability for the rest of the code.
These are meant to be used elsewhere within pip to create instances of
InstallRequirement.
iN( t Marker( t InvalidRequirementt Requirement( t Specifier( t RequirementParseErrort parse_requirements( t InstallationError( t PyPIt TestPyPI( t Link( t Wheel( t make_pyproject_path( t InstallRequirement( t
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Accepted requirements:
svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir
.[some_extra]
s setup.pysM File "setup.py" not found. Directory cannot be installed in editable mode: {}sb
(A "pyproject.toml" file was found, but editable mode currently requires a setup.py based build.)s file:R. s {}:s {}+{}t +s {} is not a valid editable requirement. It should either be a path to a local project or a VCS URL (beginning with svn+, git+, hg+, or bzr+).i i s , s +URLs2 For --editable={}, only {} are currently supportedsZ Could not detect requirement name for '{}', please specify one with #egg=your_package_name( R- t osR) t isdirt existst joint formatt abspathR t isfileR R R t
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error_message( ( s /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/req/constructors.pyR N sN !
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:params req: Requirements file path
t s It does exist.t rs The argument you provided ({}) appears to be a requirements file. If that is the case, use the '-r' flag to install the packages specified within it.Ns& Cannot parse '%s' as requirements filet exc_infos File '{}' does not exist.( R2 R) R4 t opent nextR t readR6 R t loggert debugR ( t reqRA t fp( ( s /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/req/constructors.pyt deduce_helpful_msg s
t RequirementPartsc B s e Z d Z RS( c C s( | | _ | | _ | | _ | | _ d S( N( t requirementt linkt markersR+ ( t selfRT RU RV R+ ( ( s /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/req/constructors.pyt __init__ s ( t __name__t
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This does not check whether the target actually exists, only judge from the
appearance.
Returns true if any of the following conditions is true:
* a path separator is found (either os.path.sep or os.path.altsep);
* a dot is found (which represents the current directory).
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First, it checks whether a provided path is an installable directory
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an @, it will treat it as a PEP 440 URL requirement and return the path.
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S( s Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
:param line_source: An optional string describing where the line is from,
for logging purposes in case of an error.
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