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more explanation in the process_line doc string

This commit is contained in:
Marcus Smith 2015-04-28 15:23:02 -07:00
parent 09ea42e7f3
commit d47b1a5b26
1 changed files with 13 additions and 2 deletions
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15
pip/req/req_file.py
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@ -88,9 +88,20 @@ def parse_requirements(filename, finder=None, comes_from=None, options=None,
def process_line(line, filename, line_number, finder=None, comes_from=None,
options=None, session=None, wheel_cache=None):
"""
Process a single requirements line; This can result in creating/yielding
"""Process a single requirements line; This can result in creating/yielding
requirements, or updating the finder.
For lines that contain requirements, the only options that have an effect
are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
requirement. Other options from SUPPORTED_OPTIONS may be present, but are
ignored.
For lines that do not contain requirements, the only options that have an
effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may be
present, but are ignored. These lines may contain multiple options (although
our docs imply only one is supported), and all our parsed and affect the
finder.
"""
parser = build_parser()