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dddZ'e%e%e%dddZ(dae$ee) e*dddZ+e$e*dddZ,e$e-dd d Z.e*e-d d d Z/e$ddd!d"Z0e$ee* e*d#d$d%Z1e$e)e*d&d'd(Z2e$e*dd)d*Z3e"e"e"d+d,d-Z4e$ddd.d/Z5ee%e)d0d1d2Z6ee*e*d0d3d2Z6ee)e)d0d4d2Z6ee)e%e*f ee)e*f d0d5d2Z6dbZ7d;j8e7Z9dd?d@Z;e%ddAdBdCZe%e%ddIdJdKZ?e%e%ddIdLdMZ@e%e%ddNdOdPZAe%e%ddNdQdRZBdde%ee%ef ee%e%f e-ddTdUdVZCe)e%dWdXdYZDG dZd[ d[ZEe G d\d] d]ZFejGG d^d_ d_ZHdS )ez"Utility functions for PDF library.zMathieu Fenniakzbiziqe@mathieu.fenniak.net N) dataclass)datetimetimezone)DEFAULT_BUFFER_SIZE)SEEK_CUR) IOAnyDictListOptionalPatternTupleUnionoverload
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Read non-whitespace characters and return them.
Stops upon encountering whitespace or when maxchars is reached.
Args:
stream: The data stream from which was read.
maxchars: The maximum number of bytes returned; by default unlimited.
Returns:
The data which was read.
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Find and read the next non-whitespace character (ignores whitespace).
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The data which was read.
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Similar to read_non_whitespace, but return a boolean if more than one
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Args:
stream: The data stream from which was read.
Returns:
True if more than one whitespace was skipped, otherwise return False.
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Check if the given value consists of whitespace characters only.
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Read until the regular expression pattern matched (ignore the match).
Treats EOF on the underlying stream as the end of the token to be matched.
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Returns:
The read bytes.
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Given a stream at position X, read a block of size to_read ending at position X.
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Given a byte stream with current position X, return the previous line.
All characters between the first CR/LF byte found before X
(or, the start of the file, if no such byte is found) and position X
After this call, the stream will be positioned one byte after the
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or, if no such byte is found, at the beginning of the stream.
Args:
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Returns:
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stacklevelr c C s t j| t|d d S )N)r )warningswarnDeprecationWarning)r r r5 r5 r6 deprecatel s r )r r c C s t | d S )N)r )r r5 r5 r6 deprecationp s r )old_namenew_name
removed_inr c C s t | d| d| dd dS )zIRaise an exception that a feature will be removed, but has a replacement.z, is deprecated and will be removed in pypdf z. Use z instead. N)r )r r r r5 r5 r6 deprecate_with_replacementt s r c C s t | d| d| d dS )zMRaise an exception that a feature was already removed, but has a replacement.z( is deprecated and was removed in pypdf z. Use z instead.N)r )r r r r5 r5 r6 deprecation_with_replacement| s r )r] r r c C s t | d| dd dS )zFRaise an exception that a feature will be removed without replacement.z, is deprecated and will be removed in pypdf .r N)r )r] r r5 r5 r6 deprecate_no_replacement s r c C s t | d| d dS )zJRaise an exception that a feature was already removed without replacement.z( is deprecated and was removed in pypdf r N)r )r] r r5 r5 r6 deprecation_no_replacement s r )r srcr c C s t j|j| dS )z
Use this instead of logger.error directly.
That allows people to overwrite it more easily.
See the docs on when to use which:
https://pypdf.readthedocs.io/en/latest/user/suppress-warnings.html
N)logging getLoggererror)r r r5 r5 r6 logger_error s r c C s t j|j| dS )a
Use this instead of logger.warning directly.
That allows people to overwrite it more easily.
## Exception, warnings.warn, logger_warning
- Exceptions should be used if the user should write code that deals with
an error case, e.g. the PDF being completely broken.
- warnings.warn should be used if the user needs to fix their code, e.g.
DeprecationWarnings
- logger_warning should be used if the user needs to know that an issue was
handled by pypdf, e.g. a non-compliant PDF being read in a way that
pypdf could apply a robustness fix to still read it. This applies mainly
to strict=False mode.
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