Current File : //usr/local/lib/python3.8/__pycache__/zipfile.cpython-38.pyc
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Read and write ZIP files.
XXX references to utf-8 need further investigation.
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Raised when writing a zipfile, the zipfile requires ZIP64 extensions
and those extensions are disabled.
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Read the ZIP64 end-of-archive records and use that to update endrec
r r r z3zipfiles that span multiple disks are not supported)seeksizeEndCentDir64Locatorr: r> r0 structr/ structEndArchive64LocatorstringEndArchive64Locatorr sizeEndCentDir64structEndArchive64stringEndArchive64_ECD_SIGNATURE_ECD_DISK_NUMBER_ECD_DISK_START_ECD_ENTRIES_THIS_DISK_ECD_ENTRIES_TOTAL _ECD_SIZE _ECD_OFFSET)fpinoffsetendrecdatasigZdisknoZreloffZdisksZszcreate_versionZ read_versionZdisk_numZdisk_dirZdircountZ dircount2ZdirsizeZ diroffsetr r r
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tt |}|t }||t |t | }| | | || t | || | |S dS ) zReturn data from the "End of Central Directory" record, or None.
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record followed by a tenth item, the file seek offset of this record.r r Nr s r- i )rD tellsizeEndCentDirr: r> r0 stringEndArchiverF r/ structEndArchivelistr1 rY maxrfind_ECD_COMMENT_SIZE) rS ZfilesizerV rU ZmaxCommentStartr5 ZrecDataZ commentSizecommentr r r r9 sD
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@ d > |_|rd|_| jd O _n|j|_|S ) a_ Construct an appropriate ZipInfo for a file on the filesystem.
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nJ| tkr tsTtdn4| tkr6tsTtdn | tkrLtsTtdntdd S )Nz.Compression requires the (missing) zlib modulez-Compression requires the (missing) bz2 modulez.Compression requires the (missing) lzma modulez(That compression method is not supported) r r zlib RuntimeErrorr bz2r r NotImplementedError) compressionr r r _check_compression s$ r c C sj | t kr2|d k r t|tjdS ttjtjdS | tkrT|d k rLt|S t S | tkrbt S d S d S )N)
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ZipExtFilezZFile-like object for reading an archive member.
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zZipExtFile.__init__c C s4 t | j| _| jd}| jd8 _| |d S )Nr r& )r r" r6 r! r> r% )r r r r r r7 \ s zZipExtFile._init_decrypterc C sv d| j j| j jf g}| jsX|d| j| jf | jtkrb|dt
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zZipExtFile.__repr__r c C sL |dk r>| j d| jd }|dkr>| j | j| }|| _|S tj| |S )zrRead and return a line from the stream.
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r )r) ry r* ioBufferedIOBasereadline)r limitr6 liner r r rA u s zZipExtFile.readliner c C sr |t | j| j kr\| |}t || jkrJ|| j| jd | _d| _n| jt |8 _| j| j| jd S )z6Returns buffered bytes without advancing the position.Nr i )r0 r) r* r> )r r chunkr r r peek s
zZipExtFile.peekc C s dS NTr r r r r readable s zZipExtFile.readablec C s |dks|dk rH| j | jd }d| _ d| _| jsD|| | j7 }q,|S || j }|t| j k rz| j | j| }|| _|S |t| j }| j | jd }d| _ d| _|dkr| js| |}|t|k r|| _ || _||d| 7 }q||7 }|t|8 }q|S )zRead and return up to n bytes.
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Nr r- r) r* r( _read1MAX_Nr0 )r r bufendrV r r r r> s4
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zZipExtFile._update_crcc C s |dks|dk rR| j | jd }d| _ d| _| jsN| | j}|r,||7 }qNq,|S || j }|t| j k r| j | j| }|| _|S |t| j }| j | jd }d| _ d| _|dkr| js| |}|t|k r|| _ || _||d| 7 }q|r||7 }qq|S )z7Read up to n bytes with at most one read() system call.Nr r- rH )r r rK rV rL r r r read1 s>
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zZipExtFile._read2c s& z| jr| j W 5 t X d S r )superr r# r! r r r r r s zZipExtFile.closec C s | j S r )r0 r r r r r s zZipExtFile.seekabler c C s> | j std| }|dkr&|}n.|dkr8|| }n |dkrL| j| }ntd|| jkrd| j}|dk rpd}|| }|| j }|dkr|t| jk r|| _d}nf|dk r
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| j | j | j | jj | jj | j | j | jj | j j < W 5 d| j_X d S )NFr z<LLQQz<LLLLz+File size unexpectedly exceeded ZIP64 limitz1Compressed size unexpectedly exceeded ZIP64 limit)!r< r^ r rU r r_ r ra r0 r! r r\ rq r` rb rp rr rk r] rF r
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d=ddZdd Zdd Zdd Zed d Zejd d Zd>d d Zd?d!d"d#d$Zd@d%d&ZdAd'd(ZdBd)d*Zed+d, Zd-d. Z d/d0 Z dCd1d2Z dDd3d4Z d5d6 Z d7d8 Z!d9d: Z"d;d< Z#dS )Er ai Class with methods to open, read, write, close, list zip files.
z = ZipFile(file, mode="r", compression=ZIP_STORED, allowZip64=True,
compresslevel=None)
file: Either the path to the file, or a file-like object.
If it is a path, the file will be opened and closed by ZipFile.
mode: The mode can be either read 'r', write 'w', exclusive create 'x',
or append 'a'.
compression: ZIP_STORED (no compression), ZIP_DEFLATED (requires zlib),
ZIP_BZIP2 (requires bz2) or ZIP_LZMA (requires lzma).
allowZip64: if True ZipFile will create files with ZIP64 extensions when
needed, otherwise it will raise an exception when this would
be necessary.
compresslevel: None (default for the given compression type) or an integer
specifying the level to pass to the compressor.
When using ZIP_STORED or ZIP_LZMA this keyword has no effect.
When using ZIP_DEFLATED integers 0 through 9 are accepted.
When using ZIP_BZIP2 integers 1 through 9 are accepted.
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|| dS )a Add all files from "pathname" to the ZIP archive.
If pathname is a package directory, search the directory and
all package subdirectories recursively for all *.py and enter
the modules into the archive. If pathname is a plain
directory, listdir *.py and enter all modules. Else, pathname
must be a Python *.py file and the module will be put into the
archive. Added modules are always module.pyc.
This method will compile the module.py into module.pyc if
necessary.
If filterfunc(pathname) is given, it is called with every argument.
When it is False, the file or directory is skipped.
r r z%s %r skipped by filterfuncNz __init__.py%s/%szAdding package inasr ZAdding)
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| fS )a Return (filename, archivename) for the path.
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archive name, compiling if necessary. For example, given
/python/lib/string, return (/python/lib/string.pyc, string).
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>>> list(_parents('b/d'))
['b']
>>> list(_parents('/b/d/'))
['/b']
>>> list(_parents('b/d/f/'))
['b/d', 'b']
>>> list(_parents('b'))
[]
>>> list(_parents(''))
[]
r N) itertoolsislice _ancestry)r r r r _parentsR s r c c s4 | tj} | r0| tjkr0| V t| \} }q dS )aR
Given a path with elements separated by
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>>> list(_ancestry('b/d'))
['b/d', 'b']
>>> list(_ancestry('/b/d/'))
['/b/d', '/b']
>>> list(_ancestry('b/d/f/'))
['b/d/f', 'b/d', 'b']
>>> list(_ancestry('b'))
['b']
>>> list(_ancestry(''))
[]
N)r posixpathr| r )r tailr r r r e s r c C s t t|j| S )zZ
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If the name represents a directory, return that name
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A pathlib-compatible interface for zip files.
Consider a zip file with this structure::
.
├── a.txt
└── b
├── c.txt
└── d
└── e.txt
>>> data = io.BytesIO()
>>> zf = ZipFile(data, 'w')
>>> zf.writestr('a.txt', 'content of a')
>>> zf.writestr('b/c.txt', 'content of c')
>>> zf.writestr('b/d/e.txt', 'content of e')
>>> zf.filename = 'abcde.zip'
Path accepts the zipfile object itself or a filename
>>> root = Path(zf)
From there, several path operations are available.
Directory iteration (including the zip file itself):
>>> a, b = root.iterdir()
>>> a
Path('abcde.zip', 'a.txt')
>>> b
Path('abcde.zip', 'b/')
name property:
>>> b.name
'b'
join with divide operator:
>>> c = b / 'c.txt'
>>> c
Path('abcde.zip', 'b/c.txt')
>>> c.name
'c.txt'
Read text:
>>> c.read_text()
'content of c'
existence:
>>> c.exists()
True
>>> (b / 'missing.txt').exists()
False
Coercion to string:
>>> str(c)
'abcde.zip/b/c.txt'
z>{self.__class__.__name__}({self.root.filename!r}, {self.at!r})r c C s t || _|| _d S r )r* r( r at)r r r- r r r r s z
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