diff --git a/Lib/bz2.py b/Lib/bz2.py index e72ec941c76f8112737db7bb9a02e39785b3acc1_TGliL2J6Mi5weQ==..d815cc066df80d44e6e30ddc243cfe0586e21c1c_TGliL2J6Mi5weQ== 100644 --- a/Lib/bz2.py +++ b/Lib/bz2.py @@ -197,6 +197,10 @@ self._check_can_read() return self._buffer.readline(size) + def __iter__(self): + self._check_can_read() + return self._buffer.__iter__() + def readlines(self, size=-1): """Read a list of lines of uncompressed bytes from the file. diff --git a/Lib/gzip.py b/Lib/gzip.py index e72ec941c76f8112737db7bb9a02e39785b3acc1_TGliL2d6aXAucHk=..d815cc066df80d44e6e30ddc243cfe0586e21c1c_TGliL2d6aXAucHk= 100644 --- a/Lib/gzip.py +++ b/Lib/gzip.py @@ -398,6 +398,10 @@ self._check_not_closed() return self._buffer.readline(size) + def __iter__(self): + self._check_not_closed() + return self._buffer.__iter__() + class _GzipReader(_compression.DecompressReader): def __init__(self, fp): diff --git a/Lib/lzma.py b/Lib/lzma.py index e72ec941c76f8112737db7bb9a02e39785b3acc1_TGliL2x6bWEucHk=..d815cc066df80d44e6e30ddc243cfe0586e21c1c_TGliL2x6bWEucHk= 100644 --- a/Lib/lzma.py +++ b/Lib/lzma.py @@ -221,6 +221,10 @@ self._check_can_read() return self._buffer.readline(size) + def __iter__(self): + self._check_can_read() + return self._buffer.__iter__() + def write(self, data): """Write a bytes object to the file. diff --git a/Misc/NEWS.d/next/Library/2021-04-12-15-15-50.bpo-43787.wCy_Wd.rst b/Misc/NEWS.d/next/Library/2021-04-12-15-15-50.bpo-43787.wCy_Wd.rst new file mode 100644 index 0000000000000000000000000000000000000000..d815cc066df80d44e6e30ddc243cfe0586e21c1c_TWlzYy9ORVdTLmQvbmV4dC9MaWJyYXJ5LzIwMjEtMDQtMTItMTUtMTUtNTAuYnBvLTQzNzg3LndDeV9XZC5yc3Q= --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-04-12-15-15-50.bpo-43787.wCy_Wd.rst @@ -0,0 +1,3 @@ +Add ``__iter__()`` method to :class:`bz2.BZ2File`, :class:`gzip.GzipFile`, and +:class:`lzma.LZMAFile`. It makes iterating them about 2x faster. Patch by +Inada Naoki.