def parse_line(line):
        """Parse information from a line in a requirements text file."""
        if line.startswith("-r "):
            # Allow specifying requirements in other files
            target = line.split(" ")[1]
            for info in parse_require_file(target):
                yield info
        else:
            info = {"line": line}
            if line.startswith("-e "):
                info["package"] = line.split("#egg=")[1]
            elif "@git+" in line:
                info["package"] = line
            else:
                # Remove versioning from the package
                pat = "(" + "|".join([">=", "==", ">"]) + ")"
                parts = re.split(pat, line, maxsplit=1)
                parts = [p.strip() for p in parts]

                info["package"] = parts[0]
                if len(parts) > 1:
                    op, rest = parts[1:]
                    if ";" in rest:
                        # Handle platform specific dependencies
                        # http://setuptools.readthedocs.io/en/latest/setuptools.html#declaring-platform-specific-dependencies
                        version, platform_deps = map(str.strip, rest.split(";"))
                        info["platform_deps"] = platform_deps
                    else:
                        version = rest  # NOQA
                    info["version"] = (op, version)
            yield info
Parse information from a line in a requirements text file.
setup.py