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Requirements file parsing
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cmdoptions( t get_file_content( t RequirementsFileParseError( t SearchScope( t install_req_from_editablet install_req_from_line( t MYPY_CHECK_RUNNING( t Anyt Callablet Iteratort Listt NoReturnt Optionalt Textt Tuple( t InstallRequirement( t
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PipSessiont parse_requirementss ^(http|https|file):s (^|\s+)#.*$s# (?P<var>\$\{(?P<name>[A-Z0-9_]+)\})c c@ s� | d k r t d � � n t | d | d | �\ } } t | | � }
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D] } | Vq� WqO Wd S( s1 Parse a requirements file and yield InstallRequirement instances.
:param filename: Path or url of requirements file.
:param finder: Instance of pip.index.PackageFinder.
:param comes_from: Origin description of requirements.
:param options: cli options.
:param session: Instance of pip.download.PipSession.
:param constraint: If true, parsing a constraint file rather than
requirements file.
:param wheel_cache: Instance of pip.wheel.WheelCache
:param use_pep517: Value of the --use-pep517 option.
sC parse_requirements() missing 1 required keyword argument: 'session't
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preprocesst process_line( t filenamet finderR t optionsR R t wheel_cacheR t _t contentt
lines_enumt line_numbert linet req_itert req( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR J s
c C@ sO t | j � d d �} t | � } t | � } t | | � } t | � } | S( s� Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
t starti ( t enumeratet
splitlinest
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skip_regext expand_env_variables( R$ R! R% ( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR u s c
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} n | j d } t } t j | � r't j | | � } n3 t j | � sZt j j t j j | � | � } n t! | | | | | d | d
| �} x|| D] } | Vq�Wnf| j" r�| j" | _" nN| r�| j# } | j$ } | j r�| j g } n | j% t k r�g } n | j& r| j' | j& � n | j# r�| j# d } t j j t j j( | � � } t j j | | � } t j j) | � rw| } n | j* | � n t+ d | d | � } | | _, | j- r�| j. � n x? | j/ p�g D]+ } d j | | � } | j0 | d | �q�Wn d S( s# 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.
:param constraint: If True, parsing a constraints file.
:param options: OptionParser options that we may update
i i i t utf8s %s %s (line %s)s -cs -rs
line {} of {}R R t isolatedR! R" R t line_sourcei t
find_linkst
index_urlst sourceN( i i i (1 t build_parsert get_default_valuesR t index_urlt format_controlt break_args_optionst syst version_infot encodet
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isolated_modet FalseR t check_install_build_globalt SUPPORTED_OPTIONS_REQ_DESTt __dict__t formatR t editablesR t requirementst constraintst Truet SCHEME_REt searcht urllib_parset urljoint ost patht joint dirnameR t require_hashesR4 R5 t no_indext extra_index_urlst extendt abspatht existst appendR t search_scopet pret set_allow_all_prereleasest
trusted_hostst add_trusted_host(! R' R R& R R R! R R" R R t parsert defaultst args_strt options_strt optsR# t line_comes_fromR2 t req_optionst destR3 t req_patht nested_constraintt parsed_reqsR) R4 R5 t valuet req_dirt relative_to_reqs_fileR[ t hostR6 ( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR � s�
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c C@ s� | j d � } g } | } xJ | D]B } | j d � sG | j d � rK Pq# | j | � | j d � q# Wd j | � d j | � f S( s� Break up the line into an args and options string. We only want to shlex
(and then optparse) the options, not the args. args can contain markers
which are corrupted by shlex.
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startswithRZ t popRR ( R' t tokenst argsR! t token( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR; s
c @ s_ t j d t � } t t } x$ | D] } | � } | j | � q# W� f d � } | | _ | S( s7
Return a parser for parsing requirement lines
t add_help_optionc @ s d � | f } t | � � d S( Ns Invalid requirement: %s
%s( R ( t selft msg( R' ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyt parser_exit2 s ( t optparset OptionParserRC t SUPPORTED_OPTIONSt SUPPORTED_OPTIONS_REQt
add_optiont exit( R' R` t option_factoriest option_factoryt optionRy ( ( R' s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR7 $ s
c c@ s� d } g } x� | D]� \ } } | j d � s> t j | � r� t j | � rZ d | } n | r� | j | � | d j | � f Vg } q� | | f Vq | s� | } n | j | j d � � q W| r� | d j | � f Vn d S( s� Joins a line ending in '' with the previous line (except when following
comments). The joined line takes on the index of the first line.
s \Ro t N( R t endswitht
COMMENT_REt matchRZ RR t strip( R% t primary_line_numbert new_lineR& R' ( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR- > s
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Strips comments and filter empty lines.
R� N( R� t subR� ( R% R& R' ( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR. \ s
c @ sI | r | j n d } | rE t j | � � t � f d � | � } n | S( ss
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
c @ s � j | d � S( Ni ( RM ( t e( t pattern( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyt <lambda>r s N( t skip_requirements_regexR t ret compileR ( R% R! R/ ( ( R� s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR/ h s
c c@ ss xl | D]d \ } } xJ t j | � D]9 \ } } t j | � } | sJ q# n | j | | � } q# W| | f Vq Wd S( s� Replace all environment variables that can be retrieved via `os.getenv`.
The only allowed format for environment variables defined in the
requirement file is `${MY_VARIABLE_1}` to ensure two things:
1. Strings that contain a `$` aren't accidentally (partially) expanded.
2. Ensure consistency across platforms for requirement files.
These points are the result of a discussion on the `github pull
request #3514 <https://github.com/pypa/pip/pull/3514>`_.
Valid characters in variable names follow the `POSIX standard
<http://pubs.opengroup.org/onlinepubs/9699919799/>`_ and are limited
to uppercase letter, digits and the `_` (underscore).
N( t
ENV_VAR_REt findallRP t getenvt replace( R% R& R' t env_vart var_nameRk ( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyR0 v s (S t __doc__t
__future__R Rz RP R� R@ R< t pip._vendor.six.movesR t pip._vendor.six.moves.urllibR RN t pip._internal.cliR t pip._internal.downloadR t pip._internal.exceptionsR t! pip._internal.models.search_scopeR t pip._internal.req.constructorsR R t pip._internal.utils.typingR t typingR
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R R R R t pip._internal.reqR t pip._internal.cacheR t pip._internal.indexR R t intt ReqFileLinest __all__R� t IRL R� R� RJ t editableRI RU R9 R4 t extra_index_urlt always_unzipt no_binaryt only_binaryR\ t trusted_hostRT R| t install_optionst global_optionst hashR} t ot strRg RE R RC R R R R; R7 R- R. R/ R0 ( ( ( s9 /tmp/pip-install-ewDPok/pip/pip/_internal/req/req_file.pyt <module> s~ : % # �