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Commit 99363b6a authored by Georg Brandl's avatar Georg Brandl
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- Correct PyBool_FromLong's return type and its description. 

- Unify function description mode ("Return X" vs "Returns X")
parent c384fc23
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Showing with 251 additions and 251 deletions
Doc/api/concrete.tex
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......@@ -36,20 +36,20 @@ This section describes Python type objects and the singleton object
\end{cvardesc}
\begin{cfuncdesc}{int}{PyType_Check}{PyObject *o}
Returns true if the object \var{o} is a type object, including
instances of types derived from the standard type object. Returns
Return true if the object \var{o} is a type object, including
instances of types derived from the standard type object. Return
false in all other cases.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyType_CheckExact}{PyObject *o}
Returns true if the object \var{o} is a type object, but not a
subtype of the standard type object. Returns false in all other
Return true if the object \var{o} is a type object, but not a
subtype of the standard type object. Return false in all other
cases.
\versionadded{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyType_HasFeature}{PyObject *o, int feature}
Returns true if the type object \var{o} sets the feature
Return true if the type object \var{o} sets the feature
\var{feature}. Type features are denoted by single bit flags.
\end{cfuncdesc}
......@@ -60,7 +60,7 @@ This section describes Python type objects and the singleton object
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyType_IsSubtype}{PyTypeObject *a, PyTypeObject *b}
Returns true if \var{a} is a subtype of \var{b}.
Return true if \var{a} is a subtype of \var{b}.
\versionadded{2.2}
\end{cfuncdesc}
......@@ -77,8 +77,8 @@ This section describes Python type objects and the singleton object
\begin{cfuncdesc}{int}{PyType_Ready}{PyTypeObject *type}
Finalize a type object. This should be called on all type objects
to finish their initialization. This function is responsible for
adding inherited slots from a type's base class. Returns \code{0}
on success, or returns \code{-1} and sets an exception on error.
adding inherited slots from a type's base class. Return \code{0}
on success, or return \code{-1} and sets an exception on error.
\versionadded{2.2}
\end{cfuncdesc}
......@@ -98,7 +98,7 @@ There is no \cfunction{PyNone_Check()} function for the same reason.
\end{cvardesc}
\begin{csimplemacrodesc}{Py_RETURN_NONE}
Properly handles returning \cdata{Py_None} from within a C function.
Properly handle returning \cdata{Py_None} from within a C function.
\end{csimplemacrodesc}
......@@ -122,13 +122,13 @@ There is no \cfunction{PyNone_Check()} function for the same reason.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyInt_Check}{PyObject *o}
Returns true if \var{o} is of type \cdata{PyInt_Type} or a subtype
Return true if \var{o} is of type \cdata{PyInt_Type} or a subtype
of \cdata{PyInt_Type}.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyInt_CheckExact}{PyObject *o}
Returns true if \var{o} is of type \cdata{PyInt_Type}, but not a
Return true if \var{o} is of type \cdata{PyInt_Type}, but not a
subtype of \cdata{PyInt_Type}.
\versionadded{2.2}
\end{cfuncdesc}
......@@ -153,7 +153,7 @@ There is no \cfunction{PyNone_Check()} function for the same reason.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyInt_FromLong}{long ival}
Creates a new integer object with a value of \var{ival}.
Create a new integer object with a value of \var{ival}.
The current implementation keeps an array of integer objects for all
integers between \code{-1} and \code{100}, when you create an int in
......@@ -168,7 +168,7 @@ There is no \cfunction{PyNone_Check()} function for the same reason.
\end{cfuncdesc}
\begin{cfuncdesc}{long}{PyInt_AS_LONG}{PyObject *io}
Returns the value of the object \var{io}. No error checking is
Return the value of the object \var{io}. No error checking is
performed.
\end{cfuncdesc}
......@@ -187,7 +187,7 @@ There is no \cfunction{PyNone_Check()} function for the same reason.
\end{cfuncdesc}
\begin{cfuncdesc}{long}{PyInt_GetMax}{}
Returns the system's idea of the largest integer it can handle
Return the system's idea of the largest integer it can handle
(\constant{LONG_MAX}\ttindex{LONG_MAX}, as defined in the system
header files).
\end{cfuncdesc}
......@@ -200,7 +200,7 @@ such, the normal creation and deletion functions don't apply to
booleans. The following macros are available, however.
\begin{cfuncdesc}{int}{PyBool_Check}{PyObject *o}
Returns true if \var{o} is of type \cdata{PyBool_Type}.
Return true if \var{o} is of type \cdata{PyBool_Type}.
\versionadded{2.3}
\end{cfuncdesc}
......@@ -226,9 +226,9 @@ booleans. The following macros are available, however.
\versionadded{2.4}
\end{csimplemacrodesc}
\begin{cfuncdesc}{int}{PyBool_FromLong}{long v}
Returns \constant{Py_True} or \constant{Py_False} depending on the
truth value of \var{v}.
\begin{cfuncdesc}{PyObject*}{PyBool_FromLong}{long v}
Return a new reference to \constant{Py_True} or \constant{Py_False}
depending on the truth value of \var{v}.
\versionadded{2.3}
\end{cfuncdesc}
......@@ -247,39 +247,39 @@ truth value of \var{v}.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyLong_Check}{PyObject *p}
Returns true if its argument is a \ctype{PyLongObject} or a subtype
Return true if its argument is a \ctype{PyLongObject} or a subtype
of \ctype{PyLongObject}.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyLong_CheckExact}{PyObject *p}
Returns true if its argument is a \ctype{PyLongObject}, but not a
Return true if its argument is a \ctype{PyLongObject}, but not a
subtype of \ctype{PyLongObject}.
\versionadded{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyLong_FromLong}{long v}
Returns a new \ctype{PyLongObject} object from \var{v}, or \NULL{}
Return a new \ctype{PyLongObject} object from \var{v}, or \NULL{}
on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyLong_FromUnsignedLong}{unsigned long v}
Returns a new \ctype{PyLongObject} object from a C \ctype{unsigned
Return a new \ctype{PyLongObject} object from a C \ctype{unsigned
long}, or \NULL{} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyLong_FromLongLong}{long long v}
Returns a new \ctype{PyLongObject} object from a C \ctype{long long},
Return a new \ctype{PyLongObject} object from a C \ctype{long long},
or \NULL{} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyLong_FromUnsignedLongLong}{unsigned long long v}
Returns a new \ctype{PyLongObject} object from a C \ctype{unsigned
Return a new \ctype{PyLongObject} object from a C \ctype{unsigned
long long}, or \NULL{} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyLong_FromDouble}{double v}
Returns a new \ctype{PyLongObject} object from the integer part of
Return a new \ctype{PyLongObject} object from the integer part of
\var{v}, or \NULL{} on failure.
\end{cfuncdesc}
......@@ -318,7 +318,7 @@ truth value of \var{v}.
\end{cfuncdesc}
\begin{cfuncdesc}{long}{PyLong_AsLong}{PyObject *pylong}
Returns a C \ctype{long} representation of the contents of
Return a C \ctype{long} representation of the contents of
\var{pylong}. If \var{pylong} is greater than
\constant{LONG_MAX}\ttindex{LONG_MAX}, an \exception{OverflowError}
is raised.
......@@ -326,7 +326,7 @@ truth value of \var{v}.
\end{cfuncdesc}
\begin{cfuncdesc}{unsigned long}{PyLong_AsUnsignedLong}{PyObject *pylong}
Returns a C \ctype{unsigned long} representation of the contents of
Return a C \ctype{unsigned long} representation of the contents of
\var{pylong}. If \var{pylong} is greater than
\constant{ULONG_MAX}\ttindex{ULONG_MAX}, an
\exception{OverflowError} is raised.
......@@ -363,7 +363,7 @@ truth value of \var{v}.
\end{cfuncdesc}
\begin{cfuncdesc}{double}{PyLong_AsDouble}{PyObject *pylong}
Returns a C \ctype{double} representation of the contents of
Return a C \ctype{double} representation of the contents of
\var{pylong}. If \var{pylong} cannot be approximately represented
as a \ctype{double}, an \exception{OverflowError} exception is
raised and \code{-1.0} will be returned.
......@@ -394,35 +394,35 @@ truth value of \var{v}.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyFloat_Check}{PyObject *p}
Returns true if its argument is a \ctype{PyFloatObject} or a subtype
Return true if its argument is a \ctype{PyFloatObject} or a subtype
of \ctype{PyFloatObject}.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyFloat_CheckExact}{PyObject *p}
Returns true if its argument is a \ctype{PyFloatObject}, but not a
Return true if its argument is a \ctype{PyFloatObject}, but not a
subtype of \ctype{PyFloatObject}.
\versionadded{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyFloat_FromString}{PyObject *str, char **pend}
Creates a \ctype{PyFloatObject} object based on the string value in
Create a \ctype{PyFloatObject} object based on the string value in
\var{str}, or \NULL{} on failure. The \var{pend} argument is ignored. It
remains only for backward compatibility.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyFloat_FromDouble}{double v}
Creates a \ctype{PyFloatObject} object from \var{v}, or \NULL{} on
Create a \ctype{PyFloatObject} object from \var{v}, or \NULL{} on
failure.
\end{cfuncdesc}
\begin{cfuncdesc}{double}{PyFloat_AsDouble}{PyObject *pyfloat}
Returns a C \ctype{double} representation of the contents of
Return a C \ctype{double} representation of the contents of
\var{pyfloat}.
\end{cfuncdesc}
\begin{cfuncdesc}{double}{PyFloat_AS_DOUBLE}{PyObject *pyfloat}
Returns a C \ctype{double} representation of the contents of
Return a C \ctype{double} representation of the contents of
\var{pyfloat}, but without error checking.
\end{cfuncdesc}
......@@ -502,13 +502,13 @@ typedef struct {
\end{cvardesc}
\begin{cfuncdesc}{int}{PyComplex_Check}{PyObject *p}
Returns true if its argument is a \ctype{PyComplexObject} or a
Return true if its argument is a \ctype{PyComplexObject} or a
subtype of \ctype{PyComplexObject}.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyComplex_CheckExact}{PyObject *p}
Returns true if its argument is a \ctype{PyComplexObject}, but not a
Return true if its argument is a \ctype{PyComplexObject}, but not a
subtype of \ctype{PyComplexObject}.
\versionadded{2.2}
\end{cfuncdesc}
......@@ -519,20 +519,20 @@ typedef struct {
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyComplex_FromDoubles}{double real, double imag}
Returns a new \ctype{PyComplexObject} object from \var{real} and
Return a new \ctype{PyComplexObject} object from \var{real} and
\var{imag}.
\end{cfuncdesc}
\begin{cfuncdesc}{double}{PyComplex_RealAsDouble}{PyObject *op}
Returns the real part of \var{op} as a C \ctype{double}.
Return the real part of \var{op} as a C \ctype{double}.
\end{cfuncdesc}
\begin{cfuncdesc}{double}{PyComplex_ImagAsDouble}{PyObject *op}
Returns the imaginary part of \var{op} as a C \ctype{double}.
Return the imaginary part of \var{op} as a C \ctype{double}.
\end{cfuncdesc}
\begin{cfuncdesc}{Py_complex}{PyComplex_AsCComplex}{PyObject *op}
Returns the \ctype{Py_complex} value of the complex number
Return the \ctype{Py_complex} value of the complex number
\var{op}.
\end{cfuncdesc}
......@@ -564,34 +564,34 @@ parameter and are called with a non-string parameter.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyString_Check}{PyObject *o}
Returns true if the object \var{o} is a string object or an instance
Return true if the object \var{o} is a string object or an instance
of a subtype of the string type.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyString_CheckExact}{PyObject *o}
Returns true if the object \var{o} is a string object, but not an
Return true if the object \var{o} is a string object, but not an
instance of a subtype of the string type.
\versionadded{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyString_FromString}{const char *v}
Returns a new string object with the value \var{v} on success, and
Return a new string object with the value \var{v} on success, and
\NULL{} on failure. The parameter \var{v} must not be \NULL{}; it
will not be checked.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyString_FromStringAndSize}{const char *v,
int len}
Returns a new string object with the value \var{v} and length
Return a new string object with the value \var{v} and length
\var{len} on success, and \NULL{} on failure. If \var{v} is
\NULL{}, the contents of the string are uninitialized.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyString_FromFormat}{const char *format, ...}
Takes a C \cfunction{printf()}-style \var{format} string and a
variable number of arguments, calculates the size of the resulting
Python string and returns a string with the values formatted into
Take a C \cfunction{printf()}-style \var{format} string and a
variable number of arguments, calculate the size of the resulting
Python string and return a string with the values formatted into
it. The variable arguments must be C types and must correspond
exactly to the format characters in the \var{format} string. The
following format characters are allowed:
......@@ -618,7 +618,7 @@ parameter and are called with a non-string parameter.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyString_Size}{PyObject *string}
Returns the length of the string in string object \var{string}.
Return the length of the string in string object \var{string}.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyString_GET_SIZE}{PyObject *string}
......@@ -627,7 +627,7 @@ parameter and are called with a non-string parameter.
\end{cfuncdesc}
\begin{cfuncdesc}{char*}{PyString_AsString}{PyObject *string}
Returns a NUL-terminated representation of the contents of
Return a NUL-terminated representation of the contents of
\var{string}. The pointer refers to the internal buffer of
\var{string}, not a copy. The data must not be modified in any way,
unless the string was just created using
......@@ -648,7 +648,7 @@ parameter and are called with a non-string parameter.
\begin{cfuncdesc}{int}{PyString_AsStringAndSize}{PyObject *obj,
char **buffer,
int *length}
Returns a NUL-terminated representation of the contents of the
Return a NUL-terminated representation of the contents of the
object \var{obj} through the output variables \var{buffer} and
\var{length}.
......@@ -670,7 +670,7 @@ parameter and are called with a non-string parameter.
\begin{cfuncdesc}{void}{PyString_Concat}{PyObject **string,
PyObject *newpart}
Creates a new string object in \var{*string} containing the contents
Create a new string object in \var{*string} containing the contents
of \var{newpart} appended to \var{string}; the caller will own the
new reference. The reference to the old value of \var{string} will
be stolen. If the new string cannot be created, the old reference
......@@ -681,7 +681,7 @@ parameter and are called with a non-string parameter.
\begin{cfuncdesc}{void}{PyString_ConcatAndDel}{PyObject **string,
PyObject *newpart}
Creates a new string object in \var{*string} containing the contents
Create a new string object in \var{*string} containing the contents
of \var{newpart} appended to \var{string}. This version decrements
the reference count of \var{newpart}.
\end{cfuncdesc}
......@@ -703,7 +703,7 @@ parameter and are called with a non-string parameter.
\begin{cfuncdesc}{PyObject*}{PyString_Format}{PyObject *format,
PyObject *args}
Returns a new string object from \var{format} and \var{args}.
Return a new string object from \var{format} and \var{args}.
Analogous to \code{\var{format} \%\ \var{args}}. The \var{args}
argument must be a tuple.
\end{cfuncdesc}
......@@ -733,48 +733,48 @@ parameter and are called with a non-string parameter.
int size,
const char *encoding,
const char *errors}
Creates an object by decoding \var{size} bytes of the encoded
Create an object by decoding \var{size} bytes of the encoded
buffer \var{s} using the codec registered for
\var{encoding}. \var{encoding} and \var{errors} have the same
meaning as the parameters of the same name in the
\function{unicode()} built-in function. The codec to be used is
looked up using the Python codec registry. Returns \NULL{} if
looked up using the Python codec registry. Return \NULL{} if
an exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyString_AsDecodedObject}{PyObject *str,
const char *encoding,
const char *errors}
Decodes a string object by passing it to the codec registered for
\var{encoding} and returns the result as Python
Decode a string object by passing it to the codec registered for
\var{encoding} and return the result as Python
object. \var{encoding} and \var{errors} have the same meaning as the
parameters of the same name in the string \method{encode()} method.
The codec to be used is looked up using the Python codec registry.
Returns \NULL{} if an exception was raised by the codec.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyString_Encode}{const char *s,
int size,
const char *encoding,
const char *errors}
Encodes the \ctype{char} buffer of the given size by passing it to
the codec registered for \var{encoding} and returns a Python object.
Encode the \ctype{char} buffer of the given size by passing it to
the codec registered for \var{encoding} and return a Python object.
\var{encoding} and \var{errors} have the same meaning as the
parameters of the same name in the string \method{encode()} method.
The codec to be used is looked up using the Python codec
registry. Returns \NULL{} if an exception was raised by the
registry. Return \NULL{} if an exception was raised by the
codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyString_AsEncodedObject}{PyObject *str,
const char *encoding,
const char *errors}
Encodes a string object using the codec registered for
\var{encoding} and returns the result as Python object.
Encode a string object using the codec registered for
\var{encoding} and return the result as Python object.
\var{encoding} and \var{errors} have the same meaning as the
parameters of the same name in the string \method{encode()} method.
The codec to be used is looked up using the Python codec registry.
Returns \NULL{} if an exception was raised by the codec.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
......@@ -808,34 +808,34 @@ The following APIs are really C macros and can be used to do fast
checks and to access internal read-only data of Unicode objects:
\begin{cfuncdesc}{int}{PyUnicode_Check}{PyObject *o}
Returns true if the object \var{o} is a Unicode object or an
Return true if the object \var{o} is a Unicode object or an
instance of a Unicode subtype.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyUnicode_CheckExact}{PyObject *o}
Returns true if the object \var{o} is a Unicode object, but not an
Return true if the object \var{o} is a Unicode object, but not an
instance of a subtype.
\versionadded{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyUnicode_GET_SIZE}{PyObject *o}
Returns the size of the object. \var{o} has to be a
Return the size of the object. \var{o} has to be a
\ctype{PyUnicodeObject} (not checked).
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyUnicode_GET_DATA_SIZE}{PyObject *o}
Returns the size of the object's internal buffer in bytes. \var{o}
Return the size of the object's internal buffer in bytes. \var{o}
has to be a \ctype{PyUnicodeObject} (not checked).
\end{cfuncdesc}
\begin{cfuncdesc}{Py_UNICODE*}{PyUnicode_AS_UNICODE}{PyObject *o}
Returns a pointer to the internal \ctype{Py_UNICODE} buffer of the
Return a pointer to the internal \ctype{Py_UNICODE} buffer of the
object. \var{o} has to be a \ctype{PyUnicodeObject} (not checked).
\end{cfuncdesc}
\begin{cfuncdesc}{const char*}{PyUnicode_AS_DATA}{PyObject *o}
Returns a pointer to the internal buffer of the object.
Return a pointer to the internal buffer of the object.
\var{o} has to be a \ctype{PyUnicodeObject} (not checked).
\end{cfuncdesc}
......@@ -846,78 +846,78 @@ needed ones are available through these macros which are mapped to C
functions depending on the Python configuration.
\begin{cfuncdesc}{int}{Py_UNICODE_ISSPACE}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a whitespace
Return 1 or 0 depending on whether \var{ch} is a whitespace
character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISLOWER}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a lowercase character.
Return 1 or 0 depending on whether \var{ch} is a lowercase character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISUPPER}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is an uppercase
Return 1 or 0 depending on whether \var{ch} is an uppercase
character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISTITLE}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a titlecase character.
Return 1 or 0 depending on whether \var{ch} is a titlecase character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISLINEBREAK}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a linebreak character.
Return 1 or 0 depending on whether \var{ch} is a linebreak character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISDECIMAL}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a decimal character.
Return 1 or 0 depending on whether \var{ch} is a decimal character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISDIGIT}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a digit character.
Return 1 or 0 depending on whether \var{ch} is a digit character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISNUMERIC}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is a numeric character.
Return 1 or 0 depending on whether \var{ch} is a numeric character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISALPHA}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is an alphabetic
Return 1 or 0 depending on whether \var{ch} is an alphabetic
character.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_ISALNUM}{Py_UNICODE ch}
Returns 1/0 depending on whether \var{ch} is an alphanumeric
Return 1 or 0 depending on whether \var{ch} is an alphanumeric
character.
\end{cfuncdesc}
These APIs can be used for fast direct character conversions:
\begin{cfuncdesc}{Py_UNICODE}{Py_UNICODE_TOLOWER}{Py_UNICODE ch}
Returns the character \var{ch} converted to lower case.
Return the character \var{ch} converted to lower case.
\end{cfuncdesc}
\begin{cfuncdesc}{Py_UNICODE}{Py_UNICODE_TOUPPER}{Py_UNICODE ch}
Returns the character \var{ch} converted to upper case.
Return the character \var{ch} converted to upper case.
\end{cfuncdesc}
\begin{cfuncdesc}{Py_UNICODE}{Py_UNICODE_TOTITLE}{Py_UNICODE ch}
Returns the character \var{ch} converted to title case.
Return the character \var{ch} converted to title case.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_TODECIMAL}{Py_UNICODE ch}
Returns the character \var{ch} converted to a decimal positive
integer. Returns \code{-1} if this is not possible. Does not raise
exceptions.
Return the character \var{ch} converted to a decimal positive
integer. Return \code{-1} if this is not possible. This macro
does not raise exceptions.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{Py_UNICODE_TODIGIT}{Py_UNICODE ch}
Returns the character \var{ch} converted to a single digit integer.
Returns \code{-1} if this is not possible. Does not raise
Return the character \var{ch} converted to a single digit integer.
Return \code{-1} if this is not possible. This macro does not raise
exceptions.
\end{cfuncdesc}
\begin{cfuncdesc}{double}{Py_UNICODE_TONUMERIC}{Py_UNICODE ch}
Returns the character \var{ch} converted to a (positive) double.
Returns \code{-1.0} if this is not possible. Does not raise
Return the character \var{ch} converted to a (positive) double.
Return \code{-1.0} if this is not possible. This macro does not raise
exceptions.
\end{cfuncdesc}
......@@ -988,15 +988,15 @@ following functions. Support is optimized if Python's own
\begin{cfuncdesc}{PyObject*}{PyUnicode_FromWideChar}{const wchar_t *w,
int size}
Create a Unicode object from the \ctype{wchar_t} buffer \var{w} of
the given size. Returns \NULL{} on failure.
the given size. Return \NULL{} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyUnicode_AsWideChar}{PyUnicodeObject *unicode,
wchar_t *w,
int size}
Copies the Unicode object contents into the \ctype{wchar_t} buffer
Copy the Unicode object contents into the \ctype{wchar_t} buffer
\var{w}. At most \var{size} \ctype{wchar_t} characters are copied
(excluding a possibly trailing 0-termination character). Returns
(excluding a possibly trailing 0-termination character). Return
the number of \ctype{wchar_t} characters copied or -1 in case of an
error. Note that the resulting \ctype{wchar_t} string may or may
not be 0-terminated. It is the responsibility of the caller to make
......@@ -1042,7 +1042,7 @@ These are the generic codec APIs:
string \var{s}. \var{encoding} and \var{errors} have the same
meaning as the parameters of the same name in the
\function{unicode()} builtin function. The codec to be used is
looked up using the Python codec registry. Returns \NULL{} if an
looked up using the Python codec registry. Return \NULL{} if an
exception was raised by the codec.
\end{cfuncdesc}
......@@ -1050,22 +1050,22 @@ These are the generic codec APIs:
int size,
const char *encoding,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size and returns
Encode the \ctype{Py_UNICODE} buffer of the given size and return
a Python string object. \var{encoding} and \var{errors} have the
same meaning as the parameters of the same name in the Unicode
\method{encode()} method. The codec to be used is looked up using
the Python codec registry. Returns \NULL{} if an exception was
the Python codec registry. Return \NULL{} if an exception was
raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsEncodedString}{PyObject *unicode,
const char *encoding,
const char *errors}
Encodes a Unicode object and returns the result as Python string
Encode a Unicode object and return the result as Python string
object. \var{encoding} and \var{errors} have the same meaning as the
parameters of the same name in the Unicode \method{encode()} method.
The codec to be used is looked up using the Python codec registry.
Returns \NULL{} if an exception was raised by the codec.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
% --- UTF-8 Codecs -------------------------------------------------------
......@@ -1075,8 +1075,8 @@ These are the UTF-8 codec APIs:
\begin{cfuncdesc}{PyObject*}{PyUnicode_DecodeUTF8}{const char *s,
int size,
const char *errors}
Creates a Unicode object by decoding \var{size} bytes of the UTF-8
encoded string \var{s}. Returns \NULL{} if an exception was raised
Create a Unicode object by decoding \var{size} bytes of the UTF-8
encoded string \var{s}. Return \NULL{} if an exception was raised
by the codec.
\end{cfuncdesc}
......@@ -1084,7 +1084,7 @@ These are the UTF-8 codec APIs:
int size,
const char *errors,
int *consumed}
If \var{consumed} is \NULL{}, behaves like \cfunction{PyUnicode_DecodeUTF8()}.
If \var{consumed} is \NULL{}, behave like \cfunction{PyUnicode_DecodeUTF8()}.
If \var{consumed} is not \NULL{}, trailing incomplete UTF-8 byte sequences
will not be treated as an error. Those bytes will not be decoded and the
number of bytes that have been decoded will be stored in \var{consumed}.
......@@ -1094,14 +1094,14 @@ These are the UTF-8 codec APIs:
\begin{cfuncdesc}{PyObject*}{PyUnicode_EncodeUTF8}{const Py_UNICODE *s,
int size,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size using UTF-8
and returns a Python string object. Returns \NULL{} if an exception
Encode the \ctype{Py_UNICODE} buffer of the given size using UTF-8
and return a Python string object. Return \NULL{} if an exception
was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsUTF8String}{PyObject *unicode}
Encodes a Unicode objects using UTF-8 and returns the result as
Python string object. Error handling is ``strict''. Returns
Encode a Unicode objects using UTF-8 and return the result as
Python string object. Error handling is ``strict''. Return
\NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
......@@ -1113,8 +1113,8 @@ These are the UTF-16 codec APIs:
int size,
const char *errors,
int *byteorder}
Decodes \var{length} bytes from a UTF-16 encoded buffer string and
returns the corresponding Unicode object. \var{errors} (if
Decode \var{length} bytes from a UTF-16 encoded buffer string and
return the corresponding Unicode object. \var{errors} (if
non-\NULL{}) defines the error handling. It defaults to ``strict''.
If \var{byteorder} is non-\NULL{}, the decoder starts decoding using
......@@ -1133,7 +1133,7 @@ These are the UTF-16 codec APIs:
If \var{byteorder} is \NULL{}, the codec starts in native order mode.
Returns \NULL{} if an exception was raised by the codec.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_DecodeUTF16Stateful}{const char *s,
......@@ -1141,7 +1141,7 @@ These are the UTF-16 codec APIs:
const char *errors,
int *byteorder,
int *consumed}
If \var{consumed} is \NULL{}, behaves like
If \var{consumed} is \NULL{}, behave like
\cfunction{PyUnicode_DecodeUTF16()}. If \var{consumed} is not \NULL{},
\cfunction{PyUnicode_DecodeUTF16Stateful()} will not treat trailing incomplete
UTF-16 byte sequences (such as an odd number of bytes or a split surrogate pair)
......@@ -1154,7 +1154,7 @@ These are the UTF-16 codec APIs:
int size,
const char *errors,
int byteorder}
Returns a Python string object holding the UTF-16 encoded value of
Return a Python string object holding the UTF-16 encoded value of
the Unicode data in \var{s}. If \var{byteorder} is not \code{0},
output is written according to the following byte order:
......@@ -1173,13 +1173,13 @@ These are the UTF-16 codec APIs:
defined, each \ctype{Py_UNICODE} values is interpreted as an
UCS-2 character.
Returns \NULL{} if an exception was raised by the codec.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsUTF16String}{PyObject *unicode}
Returns a Python string using the UTF-16 encoding in native byte
Return a Python string using the UTF-16 encoding in native byte
order. The string always starts with a BOM mark. Error handling is
``strict''. Returns \NULL{} if an exception was raised by the
``strict''. Return \NULL{} if an exception was raised by the
codec.
\end{cfuncdesc}
......@@ -1190,23 +1190,23 @@ These are the ``Unicode Escape'' codec APIs:
\begin{cfuncdesc}{PyObject*}{PyUnicode_DecodeUnicodeEscape}{const char *s,
int size,
const char *errors}
Creates a Unicode object by decoding \var{size} bytes of the
Unicode-Escape encoded string \var{s}. Returns \NULL{} if an
Create a Unicode object by decoding \var{size} bytes of the
Unicode-Escape encoded string \var{s}. Return \NULL{} if an
exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_EncodeUnicodeEscape}{const Py_UNICODE *s,
int size,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size using
Unicode-Escape and returns a Python string object. Returns \NULL{}
Encode the \ctype{Py_UNICODE} buffer of the given size using
Unicode-Escape and return a Python string object. Return \NULL{}
if an exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsUnicodeEscapeString}{PyObject *unicode}
Encodes a Unicode objects using Unicode-Escape and returns the
Encode a Unicode objects using Unicode-Escape and return the
result as Python string object. Error handling is ``strict''.
Returns \NULL{} if an exception was raised by the codec.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
% --- Raw-Unicode-Escape Codecs ------------------------------------------
......@@ -1216,23 +1216,23 @@ These are the ``Raw Unicode Escape'' codec APIs:
\begin{cfuncdesc}{PyObject*}{PyUnicode_DecodeRawUnicodeEscape}{const char *s,
int size,
const char *errors}
Creates a Unicode object by decoding \var{size} bytes of the
Raw-Unicode-Escape encoded string \var{s}. Returns \NULL{} if an
Create a Unicode object by decoding \var{size} bytes of the
Raw-Unicode-Escape encoded string \var{s}. Return \NULL{} if an
exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_EncodeRawUnicodeEscape}{const Py_UNICODE *s,
int size,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size using
Raw-Unicode-Escape and returns a Python string object. Returns
Encode the \ctype{Py_UNICODE} buffer of the given size using
Raw-Unicode-Escape and return a Python string object. Return
\NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsRawUnicodeEscapeString}{PyObject *unicode}
Encodes a Unicode objects using Raw-Unicode-Escape and returns the
Encode a Unicode objects using Raw-Unicode-Escape and return the
result as Python string object. Error handling is ``strict''.
Returns \NULL{} if an exception was raised by the codec.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
% --- Latin-1 Codecs -----------------------------------------------------
......@@ -1244,22 +1244,22 @@ are accepted by the codecs during encoding.
\begin{cfuncdesc}{PyObject*}{PyUnicode_DecodeLatin1}{const char *s,
int size,
const char *errors}
Creates a Unicode object by decoding \var{size} bytes of the Latin-1
encoded string \var{s}. Returns \NULL{} if an exception was raised
Create a Unicode object by decoding \var{size} bytes of the Latin-1
encoded string \var{s}. Return \NULL{} if an exception was raised
by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_EncodeLatin1}{const Py_UNICODE *s,
int size,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size using
Latin-1 and returns a Python string object. Returns \NULL{} if an
Encode the \ctype{Py_UNICODE} buffer of the given size using
Latin-1 and return a Python string object. Return \NULL{} if an
exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsLatin1String}{PyObject *unicode}
Encodes a Unicode objects using Latin-1 and returns the result as
Python string object. Error handling is ``strict''. Returns
Encode a Unicode objects using Latin-1 and return the result as
Python string object. Error handling is ``strict''. Return
\NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
......@@ -1271,22 +1271,22 @@ accepted. All other codes generate errors.
\begin{cfuncdesc}{PyObject*}{PyUnicode_DecodeASCII}{const char *s,
int size,
const char *errors}
Creates a Unicode object by decoding \var{size} bytes of the
\ASCII{} encoded string \var{s}. Returns \NULL{} if an exception
Create a Unicode object by decoding \var{size} bytes of the
\ASCII{} encoded string \var{s}. Return \NULL{} if an exception
was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_EncodeASCII}{const Py_UNICODE *s,
int size,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size using
\ASCII{} and returns a Python string object. Returns \NULL{} if an
Encode the \ctype{Py_UNICODE} buffer of the given size using
\ASCII{} and return a Python string object. Return \NULL{} if an
exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsASCIIString}{PyObject *unicode}
Encodes a Unicode objects using \ASCII{} and returns the result as
Python string object. Error handling is ``strict''. Returns
Encode a Unicode objects using \ASCII{} and return the result as
Python string object. Error handling is ``strict''. Return
\NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
......@@ -1320,8 +1320,8 @@ points.
int size,
PyObject *mapping,
const char *errors}
Creates a Unicode object by decoding \var{size} bytes of the encoded
string \var{s} using the given \var{mapping} object. Returns
Create a Unicode object by decoding \var{size} bytes of the encoded
string \var{s} using the given \var{mapping} object. Return
\NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
......@@ -1329,16 +1329,16 @@ points.
int size,
PyObject *mapping,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size using the
given \var{mapping} object and returns a Python string object.
Returns \NULL{} if an exception was raised by the codec.
Encode the \ctype{Py_UNICODE} buffer of the given size using the
given \var{mapping} object and return a Python string object.
Return \NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsCharmapString}{PyObject *unicode,
PyObject *mapping}
Encodes a Unicode objects using the given \var{mapping} object and
returns the result as Python string object. Error handling is
``strict''. Returns \NULL{} if an exception was raised by the
Encode a Unicode objects using the given \var{mapping} object and
return the result as Python string object. Error handling is
``strict''. Return \NULL{} if an exception was raised by the
codec.
\end{cfuncdesc}
......@@ -1348,9 +1348,9 @@ The following codec API is special in that maps Unicode to Unicode.
int size,
PyObject *table,
const char *errors}
Translates a \ctype{Py_UNICODE} buffer of the given length by
applying a character mapping \var{table} to it and returns the
resulting Unicode object. Returns \NULL{} when an exception was
Translate a \ctype{Py_UNICODE} buffer of the given length by
applying a character mapping \var{table} to it and return the
resulting Unicode object. Return \NULL{} when an exception was
raised by the codec.
The \var{mapping} table must map Unicode ordinal integers to Unicode
......@@ -1373,22 +1373,22 @@ machine running the codec.
\begin{cfuncdesc}{PyObject*}{PyUnicode_DecodeMBCS}{const char *s,
int size,
const char *errors}
Creates a Unicode object by decoding \var{size} bytes of the MBCS
encoded string \var{s}. Returns \NULL{} if an exception was
Create a Unicode object by decoding \var{size} bytes of the MBCS
encoded string \var{s}. Return \NULL{} if an exception was
raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_EncodeMBCS}{const Py_UNICODE *s,
int size,
const char *errors}
Encodes the \ctype{Py_UNICODE} buffer of the given size using MBCS
and returns a Python string object. Returns \NULL{} if an exception
Encode the \ctype{Py_UNICODE} buffer of the given size using MBCS
and return a Python string object. Return \NULL{} if an exception
was raised by the codec.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyUnicode_AsMBCSString}{PyObject *unicode}
Encodes a Unicode objects using MBCS and returns the result as
Python string object. Error handling is ``strict''. Returns
Encode a Unicode objects using MBCS and return the result as
Python string object. Error handling is ``strict''. Return
\NULL{} if an exception was raised by the codec.
\end{cfuncdesc}
......@@ -1457,7 +1457,7 @@ They all return \NULL{} or \code{-1} if an exception occurs.
Return 1 if \var{substr} matches \var{str}[\var{start}:\var{end}] at
the given tail end (\var{direction} == -1 means to do a prefix
match, \var{direction} == 1 a suffix match), 0 otherwise.
Returns \code{-1} if an error occurred.
Return \code{-1} if an error occurred.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyUnicode_Find}{PyObject *str,
......@@ -1479,7 +1479,7 @@ They all return \NULL{} or \code{-1} if an exception occurs.
int start,
int end}
Return the number of non-overlapping occurrences of \var{substr} in
\code{\var{str}[\var{start}:\var{end}]}. Returns \code{-1} if an
\code{\var{str}[\var{start}:\var{end}]}. Return \code{-1} if an
error occurred.
\end{cfuncdesc}
......@@ -1499,15 +1499,15 @@ They all return \NULL{} or \code{-1} if an exception occurs.
\begin{cfuncdesc}{PyObject*}{PyUnicode_Format}{PyObject *format,
PyObject *args}
Returns a new string object from \var{format} and \var{args}; this
Return a new string object from \var{format} and \var{args}; this
is analogous to \code{\var{format} \%\ \var{args}}. The
\var{args} argument must be a tuple.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyUnicode_Contains}{PyObject *container,
PyObject *element}
Checks whether \var{element} is contained in \var{container} and
returns true or false accordingly.
Check whether \var{element} is contained in \var{container} and
return true or false accordingly.
\var{element} has to coerce to a one element Unicode
string. \code{-1} is returned if there was an error.
......@@ -1623,7 +1623,7 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyBuffer_New}{int size}
Returns a new writable buffer object that maintains its own memory
Return a new writable buffer object that maintains its own memory
buffer of \var{size} bytes. \exception{ValueError} is returned if
\var{size} is not zero or positive. Note that the memory buffer (as
returned by \cfunction{PyObject_AsWriteBuffer()}) is not specifically
......@@ -1669,7 +1669,7 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyTuple_Size}{PyObject *p}
Takes a pointer to a tuple object, and returns the size of that
Take a pointer to a tuple object, and return the size of that
tuple.
\end{cfuncdesc}
......@@ -1679,8 +1679,8 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyTuple_GetItem}{PyObject *p, int pos}
Returns the object at position \var{pos} in the tuple pointed to by
\var{p}. If \var{pos} is out of bounds, returns \NULL{} and sets an
Return the object at position \var{pos} in the tuple pointed to by
\var{p}. If \var{pos} is out of bounds, return \NULL{} and sets an
\exception{IndexError} exception.
\end{cfuncdesc}
......@@ -1691,14 +1691,14 @@ format.
\begin{cfuncdesc}{PyObject*}{PyTuple_GetSlice}{PyObject *p,
int low, int high}
Takes a slice of the tuple pointed to by \var{p} from \var{low} to
\var{high} and returns it as a new tuple.
Take a slice of the tuple pointed to by \var{p} from \var{low} to
\var{high} and return it as a new tuple.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyTuple_SetItem}{PyObject *p,
int pos, PyObject *o}
Inserts a reference to object \var{o} at position \var{pos} of the
tuple pointed to by \var{p}. It returns \code{0} on success.
Insert a reference to object \var{o} at position \var{pos} of the
tuple pointed to by \var{p}. Return \code{0} on success.
\note{This function ``steals'' a reference to \var{o}.}
\end{cfuncdesc}
......@@ -1742,7 +1742,7 @@ format.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyList_Check}{PyObject *p}
Returns true if \var{p} is a list object or an instance of a
Return true if \var{p} is a list object or an instance of a
subtype of the list type.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
......@@ -1754,12 +1754,12 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyList_New}{int len}
Returns a new list of length \var{len} on success, or \NULL{} on
Return a new list of length \var{len} on success, or \NULL{} on
failure.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyList_Size}{PyObject *list}
Returns the length of the list object in \var{list}; this is
Return the length of the list object in \var{list}; this is
equivalent to \samp{len(\var{list})} on a list object.
\bifuncindex{len}
\end{cfuncdesc}
......@@ -1769,8 +1769,8 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyList_GetItem}{PyObject *list, int index}
Returns the object at position \var{pos} in the list pointed to by
\var{p}. If \var{pos} is out of bounds, returns \NULL{} and sets an
Return the object at position \var{pos} in the list pointed to by
\var{p}. If \var{pos} is out of bounds, return \NULL{} and set an
\exception{IndexError} exception.
\end{cfuncdesc}
......@@ -1780,7 +1780,7 @@ format.
\begin{cfuncdesc}{int}{PyList_SetItem}{PyObject *list, int index,
PyObject *item}
Sets the item at index \var{index} in list to \var{item}. Returns
Set the item at index \var{index} in list to \var{item}. Return
\code{0} on success or \code{-1} on failure. \note{This function
``steals'' a reference to \var{item} and discards a reference to an
item already in the list at the affected position.}
......@@ -1799,23 +1799,23 @@ format.
\begin{cfuncdesc}{int}{PyList_Insert}{PyObject *list, int index,
PyObject *item}
Inserts the item \var{item} into list \var{list} in front of index
\var{index}. Returns \code{0} if successful; returns \code{-1} and
raises an exception if unsuccessful. Analogous to
Insert the item \var{item} into list \var{list} in front of index
\var{index}. Return \code{0} if successful; return \code{-1} and
set an exception if unsuccessful. Analogous to
\code{\var{list}.insert(\var{index}, \var{item})}.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyList_Append}{PyObject *list, PyObject *item}
Appends the object \var{item} at the end of list \var{list}.
Returns \code{0} if successful; returns \code{-1} and sets an
Append the object \var{item} at the end of list \var{list}.
Return \code{0} if successful; return \code{-1} and set an
exception if unsuccessful. Analogous to
\code{\var{list}.append(\var{item})}.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyList_GetSlice}{PyObject *list,
int low, int high}
Returns a list of the objects in \var{list} containing the objects
\emph{between} \var{low} and \var{high}. Returns \NULL{} and sets
Return a list of the objects in \var{list} containing the objects
\emph{between} \var{low} and \var{high}. Return \NULL{} and set
an exception if unsuccessful.
Analogous to \code{\var{list}[\var{low}:\var{high}]}.
\end{cfuncdesc}
......@@ -1823,28 +1823,28 @@ format.
\begin{cfuncdesc}{int}{PyList_SetSlice}{PyObject *list,
int low, int high,
PyObject *itemlist}
Sets the slice of \var{list} between \var{low} and \var{high} to the
Set the slice of \var{list} between \var{low} and \var{high} to the
contents of \var{itemlist}. Analogous to
\code{\var{list}[\var{low}:\var{high}] = \var{itemlist}}.
The \var{itemlist} may be \NULL{}, indicating the assignment
of an empty list (slice deletion).
Returns \code{0} on success, \code{-1} on failure.
Return \code{0} on success, \code{-1} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyList_Sort}{PyObject *list}
Sorts the items of \var{list} in place. Returns \code{0} on
Sort the items of \var{list} in place. Return \code{0} on
success, \code{-1} on failure. This is equivalent to
\samp{\var{list}.sort()}.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyList_Reverse}{PyObject *list}
Reverses the items of \var{list} in place. Returns \code{0} on
Reverse the items of \var{list} in place. Return \code{0} on
success, \code{-1} on failure. This is the equivalent of
\samp{\var{list}.reverse()}.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyList_AsTuple}{PyObject *list}
Returns a new tuple object containing the contents of \var{list};
Return a new tuple object containing the contents of \var{list};
equivalent to \samp{tuple(\var{list})}.\bifuncindex{tuple}
\end{cfuncdesc}
......@@ -1870,7 +1870,7 @@ format.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyDict_Check}{PyObject *p}
Returns true if \var{p} is a dict object or an instance of a
Return true if \var{p} is a dict object or an instance of a
subtype of the dict type.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
......@@ -1882,7 +1882,7 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyDict_New}{}
Returns a new empty dictionary, or \NULL{} on failure.
Return a new empty dictionary, or \NULL{} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyDictProxy_New}{PyObject *dict}
......@@ -1893,7 +1893,7 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{void}{PyDict_Clear}{PyObject *p}
Empties an existing dictionary of all key-value pairs.
Empty an existing dictionary of all key-value pairs.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyDict_Contains}{PyObject *p, PyObject *key}
......@@ -1905,44 +1905,44 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyDict_Copy}{PyObject *p}
Returns a new dictionary that contains the same key-value pairs as
Return a new dictionary that contains the same key-value pairs as
\var{p}.
\versionadded{1.6}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyDict_SetItem}{PyObject *p, PyObject *key,
PyObject *val}
Inserts \var{value} into the dictionary \var{p} with a key of
Insert \var{value} into the dictionary \var{p} with a key of
\var{key}. \var{key} must be hashable; if it isn't,
\exception{TypeError} will be raised.
Returns \code{0} on success or \code{-1} on failure.
Return \code{0} on success or \code{-1} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyDict_SetItemString}{PyObject *p,
char *key,
PyObject *val}
Inserts \var{value} into the dictionary \var{p} using \var{key} as a
Insert \var{value} into the dictionary \var{p} using \var{key} as a
key. \var{key} should be a \ctype{char*}. The key object is created
using \code{PyString_FromString(\var{key})}. Returns \code{0} on
using \code{PyString_FromString(\var{key})}. Return \code{0} on
success or \code{-1} on failure.
\ttindex{PyString_FromString()}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyDict_DelItem}{PyObject *p, PyObject *key}
Removes the entry in dictionary \var{p} with key \var{key}.
Remove the entry in dictionary \var{p} with key \var{key}.
\var{key} must be hashable; if it isn't, \exception{TypeError} is
raised. Returns \code{0} on success or \code{-1} on failure.
raised. Return \code{0} on success or \code{-1} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyDict_DelItemString}{PyObject *p, char *key}
Removes the entry in dictionary \var{p} which has a key specified by
the string \var{key}. Returns \code{0} on success or \code{-1} on
Remove the entry in dictionary \var{p} which has a key specified by
the string \var{key}. Return \code{0} on success or \code{-1} on
failure.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyDict_GetItem}{PyObject *p, PyObject *key}
Returns the object from dictionary \var{p} which has a key
\var{key}. Returns \NULL{} if the key \var{key} is not present, but
Return the object from dictionary \var{p} which has a key
\var{key}. Return \NULL{} if the key \var{key} is not present, but
\emph{without} setting an exception.
\end{cfuncdesc}
......@@ -1952,25 +1952,25 @@ format.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyDict_Items}{PyObject *p}
Returns a \ctype{PyListObject} containing all the items from the
Return a \ctype{PyListObject} containing all the items from the
dictionary, as in the dictionary method \method{items()} (see the
\citetitle[../lib/lib.html]{Python Library Reference}).
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyDict_Keys}{PyObject *p}
Returns a \ctype{PyListObject} containing all the keys from the
Return a \ctype{PyListObject} containing all the keys from the
dictionary, as in the dictionary method \method{keys()} (see the
\citetitle[../lib/lib.html]{Python Library Reference}).
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyDict_Values}{PyObject *p}
Returns a \ctype{PyListObject} containing all the values from the
Return a \ctype{PyListObject} containing all the values from the
dictionary \var{p}, as in the dictionary method \method{values()}
(see the \citetitle[../lib/lib.html]{Python Library Reference}).
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyDict_Size}{PyObject *p}
Returns the number of items in the dictionary. This is equivalent
Return the number of items in the dictionary. This is equivalent
to \samp{len(\var{p})} on a dictionary.\bifuncindex{len}
\end{cfuncdesc}
......@@ -2085,34 +2085,34 @@ implementation detail and may change in future releases of Python.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyFile_Check}{PyObject *p}
Returns true if its argument is a \ctype{PyFileObject} or a subtype
Return true if its argument is a \ctype{PyFileObject} or a subtype
of \ctype{PyFileObject}.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyFile_CheckExact}{PyObject *p}
Returns true if its argument is a \ctype{PyFileObject}, but not a
Return true if its argument is a \ctype{PyFileObject}, but not a
subtype of \ctype{PyFileObject}.
\versionadded{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyFile_FromString}{char *filename, char *mode}
On success, returns a new file object that is opened on the file
On success, return a new file object that is opened on the file
given by \var{filename}, with a file mode given by \var{mode}, where
\var{mode} has the same semantics as the standard C routine
\cfunction{fopen()}\ttindex{fopen()}. On failure, returns \NULL{}.
\cfunction{fopen()}\ttindex{fopen()}. On failure, return \NULL{}.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyFile_FromFile}{FILE *fp,
char *name, char *mode,
int (*close)(FILE*)}
Creates a new \ctype{PyFileObject} from the already-open standard C
Create a new \ctype{PyFileObject} from the already-open standard C
file pointer, \var{fp}. The function \var{close} will be called
when the file should be closed. Returns \NULL{} on failure.
when the file should be closed. Return \NULL{} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{FILE*}{PyFile_AsFile}{PyFileObject *p}
Returns the file object associated with \var{p} as a \ctype{FILE*}.
Return the file object associated with \var{p} as a \ctype{FILE*}.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyFile_GetLine}{PyObject *p, int n}
......@@ -2131,7 +2131,7 @@ implementation detail and may change in future releases of Python.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyFile_Name}{PyObject *p}
Returns the name of the file specified by \var{p} as a string
Return the name of the file specified by \var{p} as a string
object.
\end{cfuncdesc}
......@@ -2148,9 +2148,9 @@ implementation detail and may change in future releases of Python.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyFile_SoftSpace}{PyObject *p, int newflag}
This function exists for internal use by the interpreter. Sets the
This function exists for internal use by the interpreter. Set the
\member{softspace} attribute of \var{p} to \var{newflag} and
\withsubitem{(file attribute)}{\ttindex{softspace}}returns the
\withsubitem{(file attribute)}{\ttindex{softspace}}return the
previous value. \var{p} does not have to be a file object for this
function to work properly; any object is supported (thought its only
interesting if the \member{softspace} attribute can be set). This
......@@ -2162,16 +2162,16 @@ implementation detail and may change in future releases of Python.
\begin{cfuncdesc}{int}{PyFile_WriteObject}{PyObject *obj, PyFileObject *p,
int flags}
Writes object \var{obj} to file object \var{p}. The only supported
Write object \var{obj} to file object \var{p}. The only supported
flag for \var{flags} is
\constant{Py_PRINT_RAW}\ttindex{Py_PRINT_RAW}; if given, the
\function{str()} of the object is written instead of the
\function{repr()}. Returns \code{0} on success or \code{-1} on
\function{repr()}. Return \code{0} on success or \code{-1} on
failure; the appropriate exception will be set.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyFile_WriteString}{const char *s, PyFileObject *p}
Writes string \var{s} to file object \var{p}. Returns \code{0} on
Write string \var{s} to file object \var{p}. Return \code{0} on
success or \code{-1} on failure; the appropriate exception will be
set.
\end{cfuncdesc}
......@@ -2187,7 +2187,7 @@ There are very few functions specific to instance objects.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyInstance_Check}{PyObject *obj}
Returns true if \var{obj} is an instance.
Return true if \var{obj} is an instance.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyInstance_New}{PyObject *class,
......@@ -2278,13 +2278,13 @@ There are only a few functions special to module objects.
\end{cvardesc}
\begin{cfuncdesc}{int}{PyModule_Check}{PyObject *p}
Returns true if \var{p} is a module object, or a subtype of a module
Return true if \var{p} is a module object, or a subtype of a module
object.
\versionchanged[Allowed subtypes to be accepted]{2.2}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyModule_CheckExact}{PyObject *p}
Returns true if \var{p} is a module object, but not a subtype of
Return true if \var{p} is a module object, but not a subtype of
\cdata{PyModule_Type}.
\versionadded{2.2}
\end{cfuncdesc}
......@@ -2329,7 +2329,7 @@ There are only a few functions special to module objects.
char *name, PyObject *value}
Add an object to \var{module} as \var{name}. This is a convenience
function which can be used from the module's initialization
function. This steals a reference to \var{value}. Returns
function. This steals a reference to \var{value}. Return
\code{-1} on error, \code{0} on success.
\versionadded{2.0}
\end{cfuncdesc}
......@@ -2338,7 +2338,7 @@ There are only a few functions special to module objects.
char *name, long value}
Add an integer constant to \var{module} as \var{name}. This
convenience function can be used from the module's initialization
function. Returns \code{-1} on error, \code{0} on success.
function. Return \code{-1} on error, \code{0} on success.
\versionadded{2.0}
\end{cfuncdesc}
......@@ -2346,7 +2346,7 @@ There are only a few functions special to module objects.
char *name, char *value}
Add a string constant to \var{module} as \var{name}. This
convenience function can be used from the module's initialization
function. The string \var{value} must be null-terminated. Returns
function. The string \var{value} must be null-terminated. Return
\code{-1} on error, \code{0} on success.
\versionadded{2.0}
\end{cfuncdesc}
......@@ -2440,7 +2440,7 @@ They are found in the dictionary of type objects.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyDescr_IsData}{PyObject *descr}
Returns true if the descriptor objects \var{descr} describes a data
Return true if the descriptor objects \var{descr} describes a data
attribute, or false if it describes a method. \var{descr} must be a
descriptor object; there is no error checking.
\versionadded{2.2}
......@@ -2460,7 +2460,7 @@ They are found in the dictionary of type objects.
\end{cvardesc}
\begin{cfuncdesc}{int}{PySlice_Check}{PyObject *ob}
Returns true if \var{ob} is a slice object; \var{ob} must not be
Return true if \var{ob} is a slice object; \var{ob} must not be
\NULL{}.
\end{cfuncdesc}
......@@ -2470,7 +2470,7 @@ They are found in the dictionary of type objects.
\var{stop}, and \var{step} parameters are used as the values of the
slice object attributes of the same names. Any of the values may be
\NULL{}, in which case the \code{None} will be used for the
corresponding attribute. Returns \NULL{} if the new object could
corresponding attribute. Return \NULL{} if the new object could
not be allocated.
\end{cfuncdesc}
......@@ -2558,7 +2558,7 @@ acts as a proxy for the original object as much as it can.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyWeakref_GetObject}{PyObject *ref}
Returns the referenced object from a weak reference, \var{ref}. If
Return the referenced object from a weak reference, \var{ref}. If
the referent is no longer live, returns \code{None}.
\versionadded{2.2}
\end{cfuncdesc}
......@@ -2948,34 +2948,34 @@ The following type check macros work on pointers to any Python object.
Likewise, the constructor functions work with any iterable Python object.
\begin{cfuncdesc}{int}{PyAnySet_Check}{PyObject *p}
Returns true if \var{p} is a \class{set} object, a \class{frozenset}
Return true if \var{p} is a \class{set} object, a \class{frozenset}
object, or an instance of a subtype.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyAnySet_CheckExact}{PyObject *p}
Returns true if \var{p} is a \class{set} object or a \class{frozenset}
Return true if \var{p} is a \class{set} object or a \class{frozenset}
object but not an instance of a subtype.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyFrozenSet_CheckExact}{PyObject *p}
Returns true if \var{p} is a \class{frozenset} object
Return true if \var{p} is a \class{frozenset} object
but not an instance of a subtype.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PySet_New}{PyObject *iterable}
Returns a new \class{set} containing objects returned by the
Return a new \class{set} containing objects returned by the
\var{iterable}. The \var{iterable} may be \NULL{} to create a
new empty set. Returns the new set on success or \NULL{} on
failure. Raises \exception{TypeError} if \var{iterable} is
new empty set. Return the new set on success or \NULL{} on
failure. Raise \exception{TypeError} if \var{iterable} is
not actually iterable. The constructor is also useful for
copying a set (\code{c=set(s)}).
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyFrozenSet_New}{PyObject *iterable}
Returns a new \class{frozenset} containing objects returned by the
Return a new \class{frozenset} containing objects returned by the
\var{iterable}. The \var{iterable} may be \NULL{} to create a
new empty frozenset. Returns the new set on success or \NULL{} on
failure. Raises \exception{TypeError} if \var{iterable} is
new empty frozenset. Return the new set on success or \NULL{} on
failure. Raise \exception{TypeError} if \var{iterable} is
not actually iterable.
\end{cfuncdesc}
......@@ -2984,7 +2984,7 @@ The following functions and macros are available for instances of
\class{set} or \class{frozenset} or instances of their subtypes.
\begin{cfuncdesc}{int}{PySet_Size}{PyObject *anyset}
Returns the length of a \class{set} or \class{frozenset} object.
Return the length of a \class{set} or \class{frozenset} object.
Equivalent to \samp{len(\var{anyset})}. Raises a
\exception{PyExc_SystemError} if \var{anyset} is not a \class{set},
\class{frozenset}, or an instance of a subtype.
......@@ -2996,11 +2996,11 @@ The following functions and macros are available for instances of
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PySet_Contains}{PyObject *anyset, PyObject *key}
Returns 1 if found, 0 if not found, and -1 if an error is
Return 1 if found, 0 if not found, and -1 if an error is
encountered. Unlike the Python \method{__contains__()} method, this
function does not automatically convert unhashable sets into temporary
frozensets. Raises a \exception{TypeError} if the \var{key} is unhashable.
Raises \exception{PyExc_SystemError} if \var{anyset} is not a \class{set},
frozensets. Raise a \exception{TypeError} if the \var{key} is unhashable.
Raise \exception{PyExc_SystemError} if \var{anyset} is not a \class{set},
\class{frozenset}, or an instance of a subtype.
\end{cfuncdesc}
......@@ -3009,29 +3009,29 @@ The following functions are available for instances of \class{set} or
its subtypes but not for instances of \class{frozenset} or its subtypes.
\begin{cfuncdesc}{int}{PySet_Add}{PyObject *set, PyObject *key}
Adds \var{key} to a \class{set} instance. Does not apply to
\class{frozenset} instances. Returns 0 on success or -1 on failure.
Raises a \exception{TypeError} if the \var{key} is unhashable.
Raises a \exception{MemoryError} if there is no room to grow.
Raises a \exception{SystemError} if \var{set} is an not an instance
Add \var{key} to a \class{set} instance. Does not apply to
\class{frozenset} instances. Return 0 on success or -1 on failure.
Raise a \exception{TypeError} if the \var{key} is unhashable.
Raise a \exception{MemoryError} if there is no room to grow.
Raise a \exception{SystemError} if \var{set} is an not an instance
of \class{set} or its subtype.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PySet_Discard}{PyObject *set, PyObject *key}
Returns 1 if found and removed, 0 if not found (no action taken),
Return 1 if found and removed, 0 if not found (no action taken),
and -1 if an error is encountered. Does not raise \exception{KeyError}
for missing keys. Raises a \exception{TypeError} if the \var{key} is
for missing keys. Raise a \exception{TypeError} if the \var{key} is
unhashable. Unlike the Python \method{discard()} method, this function
does not automatically convert unhashable sets into temporary frozensets.
Raises \exception{PyExc_SystemError} if \var{set} is an not an instance
Raise \exception{PyExc_SystemError} if \var{set} is an not an instance
of \class{set} or its subtype.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PySet_Pop}{PyObject *set}
Returns a new reference to an arbitrary object in the \var{set},
and removes the object from the \var{set}. Returns \NULL{} on
failure. Raises \exception{KeyError} if the set is empty.
Raises a \exception{SystemError} if \var{set} is an not an instance
Return a new reference to an arbitrary object in the \var{set},
and removes the object from the \var{set}. Return \NULL{} on
failure. Raise \exception{KeyError} if the set is empty.
Raise a \exception{SystemError} if \var{set} is an not an instance
of \class{set} or its subtype.
\end{cfuncdesc}
......
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