def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None, constraint=False, wheel_cache=None):
"""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
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
constraint=constraint)
for req in req_iter:
yield req
python类requirements()的实例源码
def preprocess(content, options):
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1)
lines_enum = join_lines(lines_enum)
lines_enum = ignore_comments(lines_enum)
lines_enum = skip_regex(lines_enum, options)
return lines_enum
def skip_regex(lines_enum, options):
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(
lambda e: pattern.search(e[1]),
lines_enum)
return lines_enum
def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None, constraint=False, wheel_cache=None):
"""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
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
constraint=constraint)
for req in req_iter:
yield req
def preprocess(content, options):
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1)
lines_enum = join_lines(lines_enum)
lines_enum = ignore_comments(lines_enum)
lines_enum = skip_regex(lines_enum, options)
return lines_enum
def skip_regex(lines_enum, options):
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(
lambda e: pattern.search(e[1]),
lines_enum)
return lines_enum
def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None, constraint=False, wheel_cache=None):
"""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
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
constraint=constraint)
for req in req_iter:
yield req
def skip_regex(lines_enum, options):
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(
lambda e: pattern.search(e[1]),
lines_enum)
return lines_enum
def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None, constraint=False, wheel_cache=None):
"""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
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
constraint=constraint)
for req in req_iter:
yield req
def preprocess(content, options):
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1)
lines_enum = join_lines(lines_enum)
lines_enum = ignore_comments(lines_enum)
lines_enum = skip_regex(lines_enum, options)
return lines_enum
def skip_regex(lines_enum, options):
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(
lambda e: pattern.search(e[1]),
lines_enum)
return lines_enum
def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None, constraint=False, wheel_cache=None):
"""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
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
constraint=constraint)
for req in req_iter:
yield req
def preprocess(content, options):
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1)
lines_enum = join_lines(lines_enum)
lines_enum = ignore_comments(lines_enum)
lines_enum = skip_regex(lines_enum, options)
return lines_enum
def skip_regex(lines_enum, options):
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(
lambda e: pattern.search(e[1]),
lines_enum)
return lines_enum
def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None, constraint=False, wheel_cache=None):
"""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
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
constraint=constraint)
for req in req_iter:
yield req
def preprocess(content, options):
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1)
lines_enum = join_lines(lines_enum)
lines_enum = ignore_comments(lines_enum)
lines_enum = skip_regex(lines_enum, options)
return lines_enum
def skip_regex(lines_enum, options):
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(
lambda e: pattern.search(e[1]),
lines_enum)
return lines_enum
def parse_requirements(filename, finder=None, comes_from=None, options=None,
session=None, constraint=False, wheel_cache=None):
"""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
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
constraint=constraint)
for req in req_iter:
yield req
def preprocess(content, options):
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1)
lines_enum = join_lines(lines_enum)
lines_enum = ignore_comments(lines_enum)
lines_enum = skip_regex(lines_enum, options)
return lines_enum
def skip_regex(lines_enum, options):
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(
lambda e: pattern.search(e[1]),
lines_enum)
return lines_enum
